BF420 transistor equivalent, silicon npn transistor.
, BF421 。 High voltage, complementary pair with BF421.
/ Applications
,。 High voltage switching and amplifier, color TV chrome output.
/ Equivalent Circuit
/ Pinn.
,。 High voltage switching and amplifier, color TV chrome output.
/ Equivalent Circuit
/ Pinning
1 23
PIN1：Base
PI.
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