BU5027A PDF – 800V, 2.7A, NPN Transistor, TO-220A

Part Number: BU5027A

Function: 800V, 2.7A, NPN Transistor

Package: TO-220A Type

Manufacturer: Shenzhen Jingdao Electronic ( www.jdsemi.cn )


BU5027A pdf transistor


BU5027A is 800V, 2.7A, NPN Transistor.  A NPN transistor is a type of bipolar junction transistor (BJT) that consists of two n-type semiconductor materials separated by a single p-type material.

The NPN transistor is used to amplify or switch electronic signals and is widely used in many electronic circuits. It works by controlling the current flow between the collector and emitter terminals through the base terminal.

When a small current is applied to the base, it controls a much larger current between the collector and emitter, making the NPN transistor an effective amplifier or switch.



1. Various power switching circuits.

Main feature:

1. Silicon triple diffusion plane technology, good output characteristics, large current capacity.


Absolute maximum ratings ( Ta=25°C )

1. Collector to Base Voltage: Vcbo = 1100 V

2. Collector to Emitter Voltage: Vceo = 800 V

3. Emitter to Base Voltage: Vebo = 9 V

4. Collector Current: Ic = 2.7 A

5. Collector Dissipation : Pc = 45 W

6. Junction Temperature: Tj = 150°C

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

BU5027A pinout datasheet

BU5027A PDF Datasheet