2sc5200 output
2sc5200 output. The 2SC5200 is available in the TO-264 package and the complementary pair is 2SA1943. Pricing and Availability on millions of electronic components from Digi-Key Electronics. Mar 4, 2024 · TTC5200 vs 2SC5200: Specs. 2SC52002004-07-071TOSHIBA Transistor Silicon NPN Triple Diffused Type2SC5200Power Amplifier Applications• High breakdown voltage: VCEO = 230 V (min)• Complementary to 2SA1943• Suitable for use in 100-W high fidelity audio amplifier’s output stageMaximum Ratings (Tc = 25°C) Datasheet search, datasheets, Datasheet search site for Electronic Components and Semiconductors, integrated UNISONIC TECHNOLOGIES CO. Nevertheless, they work just fine and my first ever DIY amplifier which uses them is still playing. . The amplification at the output can be understood by the gain of the circuit. O. 2×2SC5200 Transistor. It can be operated at 55-0-55 DC Voltage with 5Amp of Current. I suppose they are almost same as 2SC2240 / 2SA970 TO-92, lownoise. * Complementary to UTC 2SA1943 ORDERING INFORMATION Order Number Pin Assignment Package Packing Lead Free Halogen Free 1 2 3 2SC5200-x-T3L-T 2SC5200-x-T3L-T TO Jan 2, 2024 · In this article, we will discuss a 400W power amplifier circuit diagram that utilizes 2SC5200 & 2SA1943, a combination of transistors to achieve high-quality audio amplification. (or abbreviation code) Lot No. Jul 28, 2020 · 100+100 watts stereo amplifier using TOSHIBA 2SC5200 & 2SA1943 transistor. Output transistors 2 2SC5200 NPN transistors. 4×BC558B Transistor. I have a Dayton SA1000 rack mounted amp that I got second hand. Package: TO-264-3, TO-264AA. #7. And C OB of TTC5200 and 2SC5200 is 145 pF and 200 pF respectively. Apr 14, 2023 · The 100W C5200 Bridge Amplifier is a power amplifier that is designed to provide high-quality sound amplification for both music and voice applications. It is compulsory to change the current insurance rule which serves to guard the final transistors. How much power such drivers need to cope with. Amplifier operating voltage max. It features high power dissipation (150W), high collector current (up to 15A), and edge frequency (up to 30MHz). May 17, 2014 · A very high end name brand amplifier uses 10 pair 5200/1943 at ~200mA each (60V rails), but that is a fully discrete circuit. I guess, TDA7293 in parallel has higher Damping Factor. com/electrohelpcare/pins Mar 9, 2007 · You can buy matched pairs and triples for some output devices, as I understand, but you pay a premium. 05%. Input Impedance 85000 ohms. 4. Application Note. Aug 29, 2022 · 2SA1943 PNP and 2SC5200 NPN are audio power transistors that have a large current capability (IC = 15A) and a high transition frequency (typically fT = 30 MHz), making them ideal for use in applications amplifier audio output high fidelity (Hi-Fi Audio Power Amplifier Output) powered 100 Watt RMS. For Portuguese version, click here! We usually have amplifiers with complementary outputs on most amplifier designs, and in a vast majority of amplifiers, it's quite normal to use the complementary NPN 2SC5200 transistors in conjunction with the PNP 2SA1943. in the ideal world, power output is doubled when speaker load is halvedbut the big IF is that your psu is able to maintain the rail This is a new idea to improve the old amplifier circuit use two 2SC5200 and 2SA1943 transistors (must use powers resistor to connect the capacitor to the spe May 17, 2013 · i found this amp when i googled for 2SC5200 schematics. 4 days ago · 2SC5200 STMicroelectronics Bipolar Transistors - BJT 230V High Power NPN 30 MHz Audio Pwr App datasheet, inventory, & pricing. ECAD Model: Description: NPN 150°C TJ 5μA ICBO 1 Elements 3 Terminations SILICON NPN TO-264-3, TO-264AA Tube Through Hole. • Complement to 2SA1943/FJL4215. These are very good, tight tolerance transistors. com, in this post I will share a post about the 1000W mono power amplifier using 2SC5200 transistor and 2SA1943 as the final transistor. Load 4 ohms. , LTD 2SC5200 NPN EPITAXIAL SILICON TRANSISTOR POWER AMPLIFIER APPLICATIONS FEATURES * Recommended for 100W High Fidelity Audio Frequency Amplifier Output Stage. Buying a transistor to switch it on/off is simple; Once the transistor is put to work, it processes Apr 27, 2021 · Power Amplifier Board, 2SC5200+2SA1943 Digital Power Amplifier Board, DC 10-45V 100W Amp Speaker Circuit Protection Board Audio Amplifier Board. Supply voltage - ±18 volts to ±45 volts DC supply Utmel No: 2381-2SC5200. Primarily, amplifiers are the circuits that boost the input power of the system at the output. Suitable for use in 100-W high fidelity audio amplifier’s output stage Nov 18, 2021 · i was asking if 2SC5200 and 2SC1943 can handle my 25 volt split power supply its for my amplifier i'm going to buy soon for $10 or (501 Philippine Pesos) and i have a 20v~0~20v transformer peaked at +25v 0 -25v non regulated the transformer has 2 secondaries (1 secondary that is center tapped) Jun 8, 2022 · Ab18 2sa1943 2sc5200 High Power 300w Dual Channel Class A B Amplifier Board For Sound Speaker Diy Alexnld Com. Hum and noise less then 177dB 120Hz-20KHz. 2. It is recommended for use in the output stages of VLF. A 500W power amplifier circuit diagram using 2SC5200 & 2SA1943 in the output section, 2SD718, 2SB688, TIP42 in the driver section, and A1015, C1815 in the preamplifier section is a high-performance amplifier design that promises to deliver impressive audio quality Suitable for use in 100-W high fidelity audio amplifier’s output stage Oct 28, 2023 · The 200W Amplifier Circuit utilizing 2SC5200 and 2SA1943 transistors in the output stage, TIP41, TIP42, and BD139 transistors in the driver stage, and 2N5401 transistors in the preamplifier stage offers an impressive power output and superior audio performance. • Wide S. This transistor includes three terminals and three layers where terminals are emitter, base & collector and layers are N, P & N. Apex14 = baxandall based. The TDA2030 IC, with its dual-channel capability, provides the necessary amplification to drive the speakers. The 2SC5200 transistor features and specifications include the following. Its power dissipation can go up to 150 Watts, and it is capable of handling high voltage (up to 230V). if very much a descision from case to case. A. 1pair for 100W into 8ohm (35+35Vac) 1000W Stereo Audio Amplifier with Transistors 2SC5200 and 2SA1943. Frequency responsibility 0. Your 1943/5200 better suit the lower voltage (+-50Vdc) than the higher voltage. This is an original Toshiba transistor for high power audio amplifiers. Buy a system based on high-power NPN transistors; Lent It uses a to-264 package design; Buys a large current capacity; Lent an audio amplifier output based on HiFi. +-50Vdc for a supply cannot give 200W into 8r0. It can be used in mobile phones, industrial control, television, and flip-flops, and can also be used in high-frequency applications Dec 26, 2007 · I always replace the entire output stage when I do a repair and I don't have any 2sc5200/2sa1943s on me, only mjl21193-94 - Is it safe to replace the output stage with these? The transformer puts put 35-0-35 so im guessing it has about 50v rails - so I am pretty confident but still need that little peace of mine. Joined 2008. Features: The noise of the switch is small and has little effect on the speaker. I guess, the solution with 2SC5200+2SA1943 would be much more durable. but you make no mistake, despite the simple power amplifier designed for output power should not be underestimated. Joined 2004. High Current Capability: IC = 17 A High Power Dissipation: 150 W. Together, they provide the raw power-switching requirement in Class AB complementary symmetrical output stages. Excellent Gain Linearity for Low. May 8, 2019 · Power supply is+-35 v DC. High Output Power - 200 watt Dynamic output power . This circuit is designed using the two C5200 NPN power transistors, which is known for its high gain and high power output capabilities. Input section responsibility =1. Know about the pinout, equivalent and features of 2SC 5200 transistor. Mar 20, 2021 · 100W RMS Power Amplifier using 2 NPN 2SC5200 Output Transistors + PCB. QuickView . 700W Amplifier Adjust the amplifier power 700W looks calm, but we requirement not put out of your mind to the adjustment happening forcing transistors, the whole relating to-engagement of frequency offset. Stock: 1,395. 2sc5200 2sa1943 amplifier It is a Low noise 200 watt mono amplifier board for subwoofer with heavy driver section using 2 Pair of main output transistors i. Thanks to the opamp control this power amp has very low distortion at all levels. 2SC5200-O(Q) – Bipolar (BJT) Transistor NPN 230 V 15 A 30MHz 150 W Through Hole TO-3P(L) from Toshiba Semiconductor and Storage. 5 V to ±40 V and features low quiescent current consumption. The minimum h FE of TTC5200 and 2SC5200 is 80 and 55 respectively. Sep 24, 2023 · Member. THD less than 0. If you want to operate at higher voltage (max. The amplifier circuit uses five pairs of 2SC5200 and 2SA1943 power transistors. • High Power Dissipation : 150watts. Apparently, the TT versions also have a somewhat smaller die than the original products. To ensure the longevity of the power transistors and prevent them from overheating Oct 17, 2023 · 2SC5200 Transistor: The 2SC5200 is a high power NPN transistor designed for audio amplifier applications. 2X56V DC), you should use 2SC3858 or similar power transistors 2SC5200 Product details. P. net/low-pass-filter/https://www. 2sc5200 2sa1943 Amplifier Circuit Diagram Soldering Mind. I've seen some old Japanese amplifiers operate the same transistors at ~15mA each at roughly the Buy 2SC5200 NPN Power Amplifier Transistor 230V 15A TO-3PL Package Online in India at cheapest price and high quality only on ElectronicsComp. The 600W audio power amplifier circuit diagram using 2SC5200 & 2SA1943 that delivers clear and powerful distortion-free audio output. Jan 21, 2023 · Member. The company was known for its innovation in the development of the first commercial transistor and for its contributions to the advancement of the integrated circuit technology. 2SC5200 NPN Power Transistor. May 23, 2020 · The 2SC5200 transistor are most commonly using for Home audio amplifier purpose. You can power up the Speaker and audio amplifier using a 12v battery, a Feb 14, 2024 · The 2SC5200 and 2SA1943 transistors, along with the JRC4558 operational amplifier, are key components in building a simple yet efficient bass amplifier circuit. 100W output with a single output pair is possible if those outputs are MT-200 ones, like 2SC2922/A1216 from Sanken, but even in that case, they are rather stressed at full swing. this topology WILL oscillate if all is not "right on". The 2SC5200 transistor is a PNP power May 26, 2022 · In this video DIY Powerful 2SC5200 Amplifier, i’m showing, a way to make an extremely powerful ultra bass class-A effective amplifier where three separate output capacitor 3300uf from each transistor, providing output to speaker. Jun 12, 2015 · I've built several amplifiers using the T0-220 version of the 2SC5200 and had no issues by sticking to around 35W Class AB (single output pair). Jan 7, 2016 · 2SA1943. For driving output stage 2SC5200 & 2SA1943 or other devices, I would often want TO-126 or even TO-220. 43 RMS. I use 2SC5200/2SA1943 from Toshiba, and buy by the thousand. The transistor is available in TO-264 package and is commonly used Amplifier designs. 1. facebook. Components . any suggestions? i've 27-0-27/5A transformer, hope it will run smoothly. Audio amplifiers enhance the audio amplitude of input signals. Unisonic Technologies is a Taiwanese semiconductor company that specializes in the design, manufacture, and sales of power management and analog integrated circuits (ICs). 008% at 20 Watts 1000Hz. Surface Mount Small Signal Transistor (BJT) Precautions for use [Jan,2022] PDF: 732KB. 2SC5200 Pinout. ### Components The following components are required to build the amplifier circuit: * 2SA1943 NPN transistor * 2SC5200 PNP transistor * 100 Ω resistor * 1 kΩ resistor Feb 4, 2024 · The 400W Audio Amplifier Circuit Diagram utilizing the 2SC5200 in the output section, 2SD718, 2SB688, TIP42, 2SC2229, and A1015 in the driver and preamplifier section s, offers superb audio performance with high power capability. Nov 1, 2023 · The 1000W amplifier circuit diagram presented in this article is a powerful audio solution that incorporates five pairs of 2SC5200 and 2SA1943 transistors in the output section, TIP41, TIP42, B560, and D438 transistors in the driver section, and three C1845 transistors in the preamplifier stage. • Thermal and electrical Spice models are available. High Voltage: VCEO = 250 V Wide S. Specifically, the output section of the circuit features 2SC5200 and 2SA1943 transistors, the driver section utilizes TIP31 and TIP32 transistors, and the preamplifier Jan 12, 2021 · The power transistors of the 200W Afi circuit do not require the classic 2SC5200 and 2SA1943 quiescent current adjustment. With this amplifier, you can expect to get up to 200W of power at 4 ohm loads, while still being able to maintain a low total harmonic distortion rate of 0. High Frequency: 30 MHz. Absolute Maximum Ratings (T a = 25°C) Characteristics UNISONIC TECHNOLOGIES CO. 2X50V DC 6A (2X33VAC or 2X36VAC transformers can be used) supply filter capacitors For usable Jan 3, 2022 · The 2SC5200 transistor is an NPN-structure device with new BiT-LA technology. Nov 4, 2016 · Discrete Tube Power Amplifier circuit using 2SA1943 2SC5200 , Output power this power amplifier circuit its according to the power supply voltage circuit, and amplifier power tube which will be different, such as the power tubes 2SC5200, 2SA1943 at + /-50V supply power up to 120 watts at 8 Ohm Impedance. • High Current Capability: IC = 17A. pinterest. Jan 23, 2019 · 23 January 2019 - 0 Comments. (still4given), on one of my output stages , unless everything is perfectly sourced . Unisonic Technologies provides a wide range of Oct 25, 2023 · The 2SC5200 and 2SA1943 power transistors work in a complementary push-pull configuration to eliminate any distortion and deliver a clean bass output. The TDA8950 is a high-efficiency Class D 2-channel audio power amplifier chip. Each pair of transistors is connected in a push-pull configuration. May 27, 2024 · 2SC5200-O(Q) 2SC5200-O(Q) Bipolar Transistors - BJT NPN 230V 15A. Each component plays a crucial role in amplifying and delivering the audio signal accurately, ensuring an enhanced 2SC5200 Data sheet/English [Jan,2016] PDF: 203KB. 3dB at 20Hz and 20KHz. 2010-07-14 10:35 am. Mar 14, 2018 · 53-0-53 vac. This is a very simple and easy circuit diagram class A amplifier for beginners and students who love bass sound. Take one large enough heat sink and stick the two transistors 2SC5200 & 2SA1943 with the insulation (mica). The power supply is based on a toroidal 2x18VAC transformer. But this power amplifier need supply Apr 20, 2004 · Assuming good class AB design practices do BJT output stages offer more or less quality than MosFET output stages? It is a Low noise 200 watt mono amplifier board for subwoofer with heavy driver section using 2 Pair of main output transistors i. 4×10uF capacitor 50/63V. The major difference between TTC5200 and 2SC5200 is of DC current gain and collector output capacitance. The opamp is OPA189. However, due to the unavailability of the original power transistors, I opted for a more robust output stage using Toshiba 2SA1943 and 2SC5200 complimentary transistor pairs. Part No. Mini power amplifiers are capable of powering up to 300W high power output amplifier if Photorelay (MOSFET Output), NPN Bipolar Transistor, 230 V, 15 A, TO-3P(L)｜Find data sheet and product information. Not sure if better than TDA7293 in parallell. This is the circuit design of 1000W stereo audio amplifier. Order today, ships today. Note: Printed only on devices manufactured in Japan. With its ability to handle high power levels, low distortion, and excellent thermal Sep 24, 2023 · The 2SC5200 transistor is used as a complementary output stage, which provides the necessary bias for the 2SA1943 transistor and helps to improve the amplifier's efficiency. Max output with low THD is 29 Watt. Fairchild became a leading supplier of power semiconductors, analog 2SC5200 1 2004-07-07 TOSHIBA Transistor Silicon NPN Triple Diffused Type 2SC5200 Power Amplifier Applications • High breakdown voltage: VCEO = 230 V (min) • Complementary to 2SA1943 • Suitable for use in 100-W high fidelity audio amplifier’s output stage Maximum Ratings (Tc = 25°C) Characteristics Symbol Rating Unit 2SC5200N Data sheet/English [May,2015] PDF: 153KB. The operating voltage of the 100W Amplifier circuit is 2X46V DC. • High Frequency : 30MHz. While I have even seen a AX14 run perfect at 300W. The zero-drift output voltage generally does not exceed 50 mV and is relatively stable. did anyone tried this amplifier? i want to try this simple amp becoz all the components are easily available. 2×TIP42C Transistor. 2sa1943 2sc5200 Schema And Pcb Layout For Audio. The 2SC5200 is a high power NPN Transistor with a collector to emitter voltage of 230V and collector current of 30A. Jun 14, 2015 · Member. Mar 18, 2023 · I was curious if two pair of 2SA1943 and 2SC5200 could possibly output 1000 watts at 4 ohms, well 950. Purchase now with Free Shipping and COD option. Be sure the transistors back plate should not touch the heat sink. The TDA8950 chip operates over a wide supply voltage range from ±12. i have +-12 volt power supply and wanna drive 4 ohm load. 4×TIP41C Transistor. Photorelay (MOSFET Output), NPN Bipolar Transistor, 230 V, 15 A, TO-3P(L)｜Find data sheet and product information. The thermal stability and thermal design:Bipolar Transistor Application Notes [Mar,2021] PDF: 525KB. This transistor is suitable for use in 100W high fidelity audio amplifier’s output stage. Very Low Distortion - 0. Dec 10, 2019 · of DIY C5200 A1943 amplifier. Dec 3, 2021 · Using 5200 high-precision high-current voltage regulator output, the output voltage is more stable! Beyond the LM317! Noise is even more inaudible ; Input using a thin film audio capacitor, the sound is better! Big tube 2SC5200 output! This tube has a maximum power of up to 150W, which allows the 1969 to output a maximum of 25W Class A! Jun 7, 2017 · hii guys i want to make high power output buffer driver for my amplifier using power transistors like 2SC5200 and 2SA1943. The maximum ratings:Bipolar Transistor Application Notes [Mar,2021] PDF: 615KB. • Excellent Gain Linearity for low THD. MSD1819A-R General Purpose & Low Mar 14, 2017 · Technical information. Note 2. that is +-74 volts rails, assume rails are +-70 af full tilt, the ac output is 46 volts ac rms, and that is 260 watts into 8 ohms, so yes, 375 watts into 4 ohms is possible. It can give 100W into 8r0 and/or 200W into 4r0. May 5, 2008 · Those are good lowpower transistors. 3. JAPAN. Anecdotal evidence suggests that open loop distortion of devices so matched is around ten times less than unmatched. Feb 1, 2018 · Hello, all royal visitor elcircuit. A for reliable operation. This article will discuss the 500W power amplifier circuit using 5 x 2SC5200, 5 x 2SA1943, D718, B688, TIP42, A1015 and C1815 transistors. Features. It has very good qualities. * Complementary to UTC 2SA1943 ORDERING INFORMATION Order Number Pin Assignment Package Packing Lead Free Halogen Free 1 2 3 2SC5200-x-T3L-T 2SC5200-x-T3L-T TO Apr 16, 2016 · 700W Power Amplifier with 2SC5200, 2SA1943. I. Datasheet: 2SC5200. 4ohm speaker. For this project the TDA8950 is configured as a Mar 19, 2024 · Explanation of 120W Amplifier Circuit using 2SC5200 & 2SA1943. PNP transistor is not used for output in this amp design. Specifications. One offspec semi will "excite" the baxandall , I always recommend double checking. Speaker usability - 4 & 8 ohms, 100 watt to 300 watt speakers can be used. Aug 29, 2021 · The 2SC5200 is a high-power NPN transistor manufactured using new BiT-LA (bipolar transistor for linear amplifier) technology. 1,395: FEATURED PRODUCTS ONSEMI No Image. Feb 3, 2018 · Hello dear friends, I share a post about mini power amplifier circuit, Yea this is mini and simple power amplifier using the transistor and a final transistor using 2SC5200 and 2SA1943. 6. Here, the p doped layer is arranged between two n doped layers. I guess, 2SC5200+2SA1943 is probably better, if we have two pairs output transistors. Probably better than a single TDA7293. Fairchild Semiconductor was a pioneering semiconductor company that was founded in the late 1950s. Dec 3, 2023 · Power 200w amplifier class circuit irf540 watt mono amplifiers irf9540 diagram 400w speaker ohm series amplifer output stereo produce which 2sc5200 2sa1943 amplifier circuit diagram Amplifier circuit audio monoblock circuits quality high power mono built good class gr next ab amplifiers output scheme symmetrical stage. for Reliable Operation. Power Amplifier Applications • High breakdown voltage: V CEO = 230 V (min) • Complementary to 2SA1943 • Suitable for use in 100-W high fidelity audio amplifier’s output stage . Take two 1N4148 diodes and join their plus & minus together. com/Electronics-help-care-108413631739370/https://www. It is a very good design to assemble, easy to build from your board to the acquisition of components, the output transistors are the COMPLEMENTAR 2SC5200 and 2SA1943 relatively cheap and with very good result. In this tutorial, I placed 2SC5200 left side. With a maximum collector current of 15A, this transistor ensures robust amplification, producing high-quality sound output. Note 2: A line under a Lot No. e. identifies the indication of product Labels. 5. Power of amplifier = 600+600W at 85Volt. Jan 26, 2023 · The main benefit of the 2sa1943 2sc5200 Power Amplifier Circuit is its ability to output large amounts of power without compromising on quality. actually i tried some circuit like classic class B push pull amplifier . Class A 250x8, operates to 1 ohm at 1kW output (lower impedance breaks Class A though, so technically it is Class AB amp). 2×2SA1943 Transistor. The company was founded in 1980 and has a global presence, with offices and facilities in Asia, Europe, and the Americas. Features of 200 watt Hifi Amplifier Board -. The C5200 transistor is a popular choice for power Mar 26, 2022 · So, this article is about making a power amplifier using a 2SC5200 Power transistor. High Fidelity Audio Frequency Amplifier Jul 13, 2010 · R. Mar 7, 2024 · Introduction In the world of electronics, power amplifiers play a crucial role in boosting the signal strength of audio devices. The output stage is one 2SC5200 and one 2SA1943 in push pull Class AB. The 2SC5200 transistor is an NPN polarity-based power transistor, designed to use in general-purpose switching and power amplifier-based applications. Technical Mriganka July 28, 2020. Jun 5, 2018 · Just make sure to arrange an appropriate PSU and speakers protection - you will have a great amplifier for a home audio system. I found there is a limit to how hard you can bolt these things down when using top-hat washers etc. This gives like +/-24 Volt. com. Recommended to use a Fan for best heat dissipation. Both transistors have a maximum collector rating of 15 A, and a pair of these is capable of providing a maximum output of 100-watts in the audio Sep 19, 2021 · 100W Amplifier circuit provides high power with less material. Apr 28, 2023 · Description: DIY One transistor Class A Audio Amplifier using 2SC5200 – In this tutorial you will learn how to make a single transistor Audio amplifier using 2SC5200 Transistor. 2SC5200 1 2016-01-07 TOSHIBA Transistor Silicon NPN Triple Diffused Type 2SC5200. The typical power output is 150Watts per channel with a speaker load impedance of 4Ω. #21. Characteristics indicator. This well-designed circuit ensures exceptional Sep 8, 2021 · This post describes the 2SC5200 pinout, equivalent, technical specs, applications, and other useful info about this high power audio amplifier transistor. These components work together to provide a strong and clean signal Jun 20, 2022 · https://electronicshelpcare. The amplifier can deliver 100W RMS power with a 4-OHM speaker and a 200W RMS 8-OHM speaker. 01% Total Harmonic Distortion at 80 watt power output using 8 ohms speakers and 1K Hz sine wave. The push-pull configuration provides a higher power output The 2SA1943 is a silicon PNP power transistor, and the 2SC5200 is its NPN complement. Sep 5, 2014 · I used the original board layout shown in the magazine article (Figure 1) as well as the original driver transistors. The transistors provide high power handling capability, ensuring a clean and powerful output for bass frequencies. If you need 200W into 8r0 then increase the supply to +-65Vdc. but its output was very distorted so i decided to minimize crossover distortion by using two 2SA1943 PNP Power Transistor & 2SC5200 NPN Power Amplifier pair [Toshiba - Original] (Best equivalent to MJL4302A / 2SA1302 & MJL4281A / 2SC3281) Designed for general purpose power amplifier and switching applications. 2SC5200+2SA1943. The TT versions have been around for more than 10 years and were produced in China as the only remaining TO264 package versions after Toshiba Japan cut production to only TO3P types, identified as 2SC5200N, 2SA1943N. 2015-06-16 3:03 am. The key components of this amplifier circuit include the 2SC5200 & 2SA1943 in the output section, 2SC4793 and 2SA1837 transistor s in the driver section, and 2N5401 and BC547 transistors in the preamplifier section. Kaneb 2sc5200 2sa1943 100w Audio Amplifier Board With Circuit Protection Low Noise Easy Operation Dc 10v 45v A Sho Malaysia. gb ez sl cj ve kd ao ek ps ey