Part Number: 2SA1943, A1943

Function: PNP Epitaxial Silicon Transistor

Package: TO-264 3Pin Type

Manufacturer: Fairchild Semiconductor

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2SA1943RTU ( Marking : A1943R ), 2SA1943OTU ( Marking : A1943O )

 

Applications

1. High-Fidelity Audio Output Amplifier
2. General Purpose Power Amplifier

Features

1. High Current Capability: IC= -17A.
2. High Power Dissipation : 150watts.
3. High Frequency : 30MHz.
4. High Voltage : VCEO= -250V
5. Wide S.O.A for reliable operation.
6. Excellent Gain Linearity for low THD.
7. Complement to 2SC5200/FJL4315.
8. Full thermal and electrical Spice models are available.

 

Pinout

 

Absolute Maximum Ratings (  Ta= 25°C )

1. Collector-Base Voltage : BVCBO = -250 V
2. Collector-Emitter Voltage :  BVCEO = -250 V
3. Emitter-Base Voltage : BVEBO = -5 V
4. Collector Current : IC = -17 A
5. Base Current : IB = -1.5 A
6. Total Device Dissipation(TC=25°C): PD = 150 W

Official Homepage:

https://www.fairchildsemi.com/products/discretes/bipolar-transistors/high-power-bjts/2SA1943.html

2SA1943 Datasheet