This is a kind of NPN transistor.
Part Number : D400, 2SD400
Description : NPN Epitaxial Planar Silicon Transistor
Package : TO-92MOD
Manufactures : Sanyo Semicon Device
See the preview image and the PDF file for more information.
Image :
Description : Low-Frequency Power Amp, Electronic Governor Applications
Absolute Maximum Ratings at Ta = 25’C
1. Collector to Base Voltage : Vcbo = 25V
2. Collector to Emitter Voltage : Vceo = 25V
3. Emitter to Base Voltage : Vebo = 5V
4. Collector Current : Ic = 1A
5. Collector Power Dissipation : Pc = 0.9 W
6. Junction Temperature : Tj = 150’C
D400 Pinout :