2SA940 Transistor – A940 – PNP Power TR – Mospec

What is 2SA940?

This is PNP bipolar transistor commonly used in audio amplifier circuits. Low noise and distortion in audio applications. Can be used in a variety of applications including amplifiers, switching, and linear regulators.

Function: PNP Power Transistor (1.5A / 150V / 25W )

Package: TO-220 Type

Manufacturer: Mospec Semiconductor

Image:

2SA940

Description

2SA940 Transistor is designed for use in general purpose power amplifier, vertical output application.

Low collector current compared to other power transistors, limiting its use in higher power applications. Relatively low voltage and current ratings compared to other power transistors.

Absolute maximum ratings

1. Collector to Base Voltage: Vcbo = 150 V
2. Collector to Emitter Voltage: Vceo = 150 V
3. Emitter to Base Voltage: Vebo = 5.0 V
4. Collector Current: Ic = 1.5 A
5. Total Dissipation: Pd = 25 W ( Tc = 25°C )
6. Junction Temperature: Tj = 150°C
7. Storage Temperature: Tsg = -55 ~ +150°C

2SA940 Datasheet

2SA940 Datasheet

2SA940-mosfet pdf


 

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C4834 PDF Datasheet – 400V, NPN Transistor – 2SC4834

This post explains for the transistor.

The Part Number is C4834, 2SC4834.

The function of this semiconductor is 400V, 8A, NPN Transistor.

The package is ITO-220 Type

Manufacturer: Shindengen Electric

Preview images :C4834 pinout datasheet

Description

C4834 is 8A, 400V, Switching Power Transistor. A switching power transistor is a type of semiconductor device used in switching power circuits and electronic systems to control the flow of current. It is designed to rapidly switch between its “ON” and “OFF” states, allowing it to efficiently regulate the flow of power from a power source to a load.

Switching power transistors are commonly used in power electronics, where high power conversion efficiency is crucial. They are employed in various applications, including voltage regulators, DC-DC converters, motor control, and switching power supplies.

Absolute maximum ratings ( Ta=25°C )

1. Collector to Base Voltage: Vcbo = 500 V

2. Collector to Emitter Voltage: Vceo = 400 V

3. Emitter to Base Voltage: Vebo = 7 V

4. Collector Current: Ic = 8 A

5. Collector Dissipation : Pc = 45 W

6. Junction Temperature: Tj = 150°C

7. Storage Temperature: Tsg = -55 ~ +150°C

C4834 pdf transistor

C4834 PDF Datasheet