This post explains for the semiconductor A1972.
The Part Number is A1972.
The function of this semiconductor is 2SA1972.
Manufacturers : Toshiba Semiconductor
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Description :
www.DataSheet.co.kr 2SA1972 TOSHIBA Transistor Silicon PNP Triple Diffused Type 2SA1972 High-Voltage Switching Applications Unit: mm • High breakdown voltage: VCEO = −400 V Absolute Maximum Ratings (Ta = 25°C) Characteristics Collector-base voltage Collector-emitter voltage Emitter-base voltage Collector current Base current Collector power dissipation Junction temperature Storage temperature range DC Pulse Symbol VCBO VCEO VEBO IC ICP IB PC Tj Tstg Rating −400 −400 −7 −0.5 −1 −0.25 900 150 −55 to 150 Unit V V V A A mW °C °C JEDEC TO-92MOD JEITA ― Note1: Using continuously under heavy loads (e.g. the application of high temperature/current/voltage and the significant change in TOSHIBA 2-5J1A temperature, etc.) may cause this product to decrease in the Weight: 0.36 g (typ.) reliability significantly even if the operating conditions (i.e. operating temperature/current/voltage, etc.) are within the absolute maximum ratings. Please design the appropriate relia […]
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