This post explains for the semiconductor A1048.
The package is TO-92S Type.
The function of this semiconductor is 2SA1048.
Manufacturers : Toshiba Semiconductor
Product image :
Description :
Audio Frequency Amplifier Applications
1. Small package
2. High voltage: VCEO = – 50 V (min)
3. High hFE : hFE = 70~400
4. Excellent hFE linearity: hFE (IC = – 0.1 mA)/hFE (IC = -2 mA) = 0.95 (typ.)
5. Low noise: NF = 1dB (typ.), 10dB (max)
6. Complementary to 2SC2458 […]
Pinout
Absolute maximum ratings ( Ta=25°C )
1. Collector to Base Voltage : Vcbo = – 50V
2. Collector to Emitter Voltage : Vceo = – 50 V
3. Emitter to Base Voltage : Vebo = – 5V
4. Collector Current : Ic = – 150 mA
5. Total Dissipation : Pc = 200 mW
6. Junction Temperature : Tj = 125°C
7. Storage Temperatue : Tsg = -55 ~ +125°C
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