BF556B Datasheet (NXP) - N-channel silicon junction field-effect transistors

BF556B, N-channel silicon junction field-effect transistors

N-channel symmetrical silicon junction field-effect transistors in a SOT23 package.

PINNING - SOT23 PIN 1 2 3 SYMBOL s d g drain gate‘ DESCRIPTION source CAUTION 3 Top view MAM036 Marking codes: BF556A: M84.

BF556B: M85.

BF556C: M86.

Fig.1 Simplified outline and symbol.

The device is supplied in

BF556B Features

* Low leakage level (typ. 500 fA)

* High gain

* Low cut-off voltage. BF556A; BF556B; BF556C handbook, halfpage 2 1 g d s APPLICATIONS

* Impedance converters in e.g. electret microphones and infra-red detectors

* VHF amplifiers in oscillators and mixers.