This is one of the transistor types.
Part Number : D438
Function : NPN Epitaxial Planar Silicon Transistor
Package : TO-92, SC-51 type
Manufactures : Sanyo
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Description
The D438 is epitaxial planar transistor for complementary push-pull pair having high reverse voltage and low saturation voltage, and suitable universal AF power amplifier use.
Pinout
Absolute Maximum Ratings ( Ta = 25’C )
1. Collector to Base Voltage : Vcbo = 100V
2. Collector to Emitter Voltage : Vceo = 80V
3. Emitter to Emitter Voltage : Vebo = 5V
4. Collector Current : Ic = 0.7A
5. Collector Current(Pulse) : Icp = 1.0A
6. Collector Dissipation : Pc = 900mW
