BLD128D Datasheet – 400V, 5A, NPN Transistor, TO-220

This post explains for the transistor.

The Part Number is BLD128D.

The function of this semiconductor is 400V, 5A, NPN Transistor.

The package is TO-220 Type

Manufacturers : SI Semiconductors

Images :

BLD128D datasheet pdf

Description :

This is Silicon NPN transistor in a TO-220 Plastic Package.

Features :

1. High voltage capability, high speed switching, wide SOA,ROHS compliant

 

Absolute maximum ratings ( Ta=25°C )

1. Collector to Base Voltage : Vcbo = 700 V

2. Collector to Emitter Voltage : Vceo = 400 V

3. Emitter to Base Voltage : Vebo = 9 V

4. Collector Current : Ic = 5 A

5. Collector Dissipation : Pc = 2W

6. Junction Temperature : Tj = 150°C

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

 

Applications :

Fluorescent lamp, electronics ballast, electronic transformer, switch mode power supply .

[…]

2 page
pinout

BLD128D Datasheet