2SA1943 & 2SC5200 Power Transistors – 10PCS 5 Matched Pairs
2SA1943 & 2SC5200 Power Transistors – 10PCS 5 Matched Pairs
10PCS 2SA1943 & 2SC5200 Complementary Power Transistors – 5 Matched Pairs
Upgrade your audio amplifier or power supply builds with these 100% genuine, new original 2SA1943 (TTA1943) and 2SC5200 (TTC5200) complementary power transistors. This pack includes 10 pieces total — 5 pairs — of these widely trusted TO-3P/TO-3PL package bipolar junction transistors (BJTs), perfect for professional electronics projects, audio amplifier output stages, and high-current switching applications.
Sourced directly and verified for authenticity, these chips are brand new, original components — not rejects or remarked parts. Whether you're a hobbyist, technician, or electronics engineer, these transistors are a staple for high-fidelity audio circuits and power electronics.
Product Highlights
- Includes: 5x 2SA1943 (TTA1943) + 5x 2SC5200 (TTC5200) — 5 complementary pairs
- Package Type: 2SA1943 in TO-3P | 2SC5200 in TO-3PL
- Type: Complementary PNP/NPN Silicon Bipolar Power Transistors
- Common Use Cases: Audio amplifier output stages, Class AB power amplifiers, DC-DC converters, high-current switching circuits
- Condition: 100% New & Original — never used, never remarked
- Compatibility: Direct drop-in for circuits requiring 2SA1943/2SC5200 complementary pairs
- Trusted Components: Works alongside major brand components including TI, ST, Panasonic, Vishay, Murata, TDK, and more
Specifications
| Component Type | Complementary Bipolar Power Transistors (BJT) |
| Part Numbers | 2SA1943 / TTA1943 & 2SC5200 / TTC5200 |
| Package | TO-3P (2SA1943) / TO-3PL (2SC5200) |
| Quantity | 10 PCS (5 Pairs) |
| Condition | 100% New Original |
| Country of Origin | Made in Mainland China |
Why Choose These Transistors?
The 2SA1943 and 2SC5200 are an industry-standard complementary pair renowned for their high-power handling, low noise characteristics, and stable performance in audio and power circuits. These are a go-to choice for technicians restoring vintage amplifiers and engineers designing new high-fidelity audio systems alike.
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Frequently Asked Questions
Q: What is the difference between 2SA1943 and TTA1943 (or 2SC5200 and TTC5200)?
A: TTA1943 and TTC5200 are simply alternative part number designations (commonly used by Toshiba and equivalent manufacturers) for the same 2SA1943 and 2SC5200 transistors respectively. They are functionally identical and fully interchangeable in circuit designs.
Q: Are these 2SA1943 and 2SC5200 transistors genuine and original?
A: Yes. These are 100% new, original IC chips — not refurbished, recycled, or remarked. Each piece is sourced to ensure authenticity and reliable performance in your audio amplifier or power electronics project.
Q: What applications are 2SA1943 / 2SC5200 transistors best suited for?
A: These complementary PNP/NPN power transistors are most commonly used in Class AB audio amplifier output stages, hi-fi stereo amplifiers, DC power supplies, and high-current switching circuits. They are a staple component for amplifier repair and new amplifier builds alike.
Q: How many pairs are included in this listing?
A: This listing includes 10 pieces total — 5 pieces of 2SA1943 (TTA1943) and 5 pieces of 2SC5200 (TTC5200) — making 5 matched complementary pairs ready for installation.