The 2SA970 is a PNP silicon epitaxial transistor designed for low-noise audio signal amplification, commonly used in preamplifier and input stage circuits.
Configuration:
PNP bipolar junction transistor
Epitaxial silicon construction
Electrical Characteristics:
Collector-emitter voltage (VCEO): -120 V
Continuous collector current (IC): -100 mA
DC current gain (hFE): 200 to 700
Optimized for low-noise operation
Package:
TO-92 through-hole package
Construction:
Designed for PCB mounting in compact analog circuits
Suitable for low-noise and precision signal applications
Configuration Notes:
High gain suitable for low-level signal amplification
Very low noise characteristics ideal for audio applications
Performs well in differential and complementary amplifier stages
Intended Use:
Audio preamplifier circuits
Low-noise input amplifier stages
Microphone preamplifiers
Signal conditioning and precision analog circuits
