This is one of the transistor types.
Part Number : D669A, 2SD669, 2SD669A, D669
Description : Silicon NPN Epitaxial
Package : TO-126MOD Type
Manufactures : Hitachi
Image
Absolute Maximum Ratings (Ta = 25°C)
1. Collector to base voltage : VCBO = 180 V
2. Collector to emitter voltage : VCEO = 160 V
3. Emitter to base voltage : VEBO = 5V
4. Collector current IC = 1.5 A
5. Collector peak current : IC(peak) = 3A
Pinout
Application
Low frequency power amplifier complementary pair with 2SB649/A
