BF256A/BF256B/BF256C

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BF256A/BF256B/BF256C

BF256A/BF256B/BF256C
N-Channel RF Amplifiers
This device is designed for VHF/UHF amplifiers. Sourced from process 50.

1

TO-92

1. Gate 2. Source 3. Drain

Absolute Maximum Ratings Ta 25 C unless otherwise noted
Symbol VDG VGS IGF PD TSTG Parameter Drain-Gate Voltage Gate-Source Voltage Forward Gate Current Total Device Dissipation TA 25 C Derate above 25 C Operating and storage Temperature Range Value 30 -30 10 350 2.8 - 55 150 Units V V mA mW mW/ C C

Electrical Characteristics Ta 25 C unless otherwise noted
Symbol Parameter Test Condition VDS 0, IG 1 A VDS 15V, ID 200 A VDS 15V, ID 10nA VGS -20V, VGS 0 Min. -30 -0.5 -0.5 -7.5 -8 -5 Max. Units V V V nA Off Characteristics V(BR)GSS Gate-Source Breakdown Voltage VGS VGS(off) IGSS Gate-Source Gate-Source Cutoff Voltage Gate Reverse Current

On Characteristics IDSS Zero-Gate Voltage Drain Current BF256A BF256B BF256C Small Signal Characteristics gfs Common Source Forward Transconductance

VGS 15V, VGS 0

3 6 11 4.5

7 13 18

mA

VDS 15V, VGS 0, f 1KHz

mmhos

2003 Fairchild Semiconductor Corporation

Rev. A, June 2003

BF256B Datasheet Fairchild Download PDF

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BF256B DATASHEET