This is a kind of NPN Transistor.
Part Number : C1815, 2SC1815
Function : Silicon NPN Epitaxail Type Transistor
Package : TO-92 Type
Manufactures : Toshiba Semiconductor
Applications
1. Audio Frequency General Purpose Amplifier
2. Driver Stage Amplifier
Features
1. High voltage and high current: VCEO= 50 V (min), IC= 150 mA (max)
2. Excellent hFElinearity :
(1) hFE (2)= 100 (typ.) at VCE= 6 V, IC= 150 mA
(2) hFE(IC= 0.1 mA)/hFE(IC= 2 mA) = 0.95 (typ.)
3. Low noise: NF = 1dB (typ.) at f = 1 kHz
4. Complementary to 2SA1015 (O, Y, GR class)
Pinout
Absolute maximum ratings ( Ta=25°C )
1. Collector to Base Voltage : Vcbo = 60 V
2. Collector to Emitter Voltage : Vceo = 50 V
3. Emitter to Base Voltage : Vebo = 5 V
4. Collector Current : Ic = 150 mA
5. Total Dissipation : Pc = 400 mW
6. Junction Temperature : Tj = 125°C
7. Storage Temperatue : Tsg = -55 ~ +150°C