This part is a kind of semiconductor called A720.
Function of this product has 2SA720.
Manufacturers : Panasonic Semiconductor
Image and pinout :
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Transistor 2SA719, 2SA720 Silicon PNP epitaxial planer type For low-frequency power amplification and driver amplification Complementary to 2SC1317 and 2SC1318 5.1±0.2 Unit: mm 5.0±0.2 4.0±0.2 s Features q Complementary pair with 2SC1317 and 2SC1318. s Absolute Maximum Ratings Parameter Collector to base voltage Collector to 2SA719 2SA720 2SA719 VCBO VCEO VEBO ICP IC PC Tj Tstg Symbol (Ta=25˚C) Ratings –30 –60 –25 –50 –5 –1 –500 625 150 –55 ~ +150 Unit V 13.5±0.5 0.45 –0.1 1.27 +0.2 0.45 –0.1 1.27 +0.2 emitter voltage 2SA720 Emitter to base voltage Peak collector current Collector current Collector power dissipation Junction temperature Storage temperature V V A mA mW ˚C ˚C 2.54±0.15 1 2 3 2.3±0.2 1:Emitter 2:Collector 3:Base [ ... ]