This post explains for the npn transistor.
See the preview image and the PDF file for more information.
Part Number: D526, 2SD526
Function: 80V, 4A, NPN Transistor
Package: TO-220AB Type
Manufacturer: Toshiba Semiconductor
Image
Description:
This is 80V, 4A, NPN Triple Diffused Type Transistor.
Features:
1. High Power Dissipation : Pc = 30W ( Tc = 25’C )
2. Good Linearity of hFE
3. Complementary to 2SB596
4. Recommend for 20 ~ 25W High Fidelity Audio Frequency Amplifier Output Stage.
D526 Pinout
Maximum Ratings
1. Collector-Base Voltage: Vcbo = 80V
2.Collector-Emitter Voltage: Vceo = 80V
3. Emitter-Base Voltage: Vebo = 5V
4. Collector Current: Ic = 4A
5. Collector Power Dissipation : Pc = 30W
Applications
1. Power Amplifier
