BF820 Silicon NPN transistor
，。 Low current, high voltage.
/ Applications
。 Telephony and professional communication equipment.
/ Equivalent Circuit
/ Pinning
3
2 1
PIN1：Emitter
PIN 2：B.
。 Telephony and professional communication equipment.
/ Equivalent Circuit
/ Pinning
3
2 1
PIN1：Emitter
PIN 2：B.
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