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BF256A Datasheet, PDF (1/4 Pages) Fairchild Semiconductor – N-Channel RF Amplifiers
BF256A
BF256A is a Preferred Device
JFET - General Purpose
N–Channel
N–Channel Junction Field Effect Transistor designed for VHF and
UHF applications.
• Low Cost TO–92 Type Package
• Forward Transfer Admittance, Yfs = 4.5 mmhos (Min)
• Transfer Capacitance – Crss = 0.7 (Typ)
• Power Gain at f = 800 MHz, Typ. = 11 dB
MAXIMUM RATINGS
Rating
Symbol
Drain–Source Voltage
VDS
Drain–Gate Voltage
Gate–Source Voltage
Forward Gate Current
VDG
VGS
IG(f)
Total Device Dissipation
PD
@ TA = 25°C
Derate above 25°C
Operating and Storage Channel
Temperature Range
Tchannel,
Tstg
Value
30
30
30
10
360
2.88
–65 to +150
Unit
Vdc
Vdc
Vdc
mAdc
mW
mW/°C
°C
http://onsemi.com
1 DRAIN
3
GATE
2 SOURCE
TO–92
CASE 29
1
STYLE 5
2
3
MARKING DIAGRAMS
BF
256A
YWW
500
400
300
200
100
0
0 25 50 75 100 125 150 175 200
FREE AIR TEMPERATURE (°C)
Figure 1. Power Derating Curve
Y
= Year
WW = Work Week
ORDERING INFORMATION
Device
Package
Shipping
BF256A
TO–92
5000 Units/Box
Preferred devices are recommended choices for future use
and best overall value.
© Semiconductor Components Industries, LLC, 2001
1
September, 2001 – Rev. 3
Publication Order Number:
BF256A/D