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BF970 Datasheet(PDF) 2 Page - Vishay Siliconix

Part No. BF970
Description  Silicon PNP Planar RF Transistor
Download  5 Pages
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Manufacturer  VISHAY [Vishay Siliconix]
Direct Link  http://www.vishay.com
Logo VISHAY - Vishay Siliconix

BF970 Datasheet(HTML) 2 Page - Vishay Siliconix

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BF970
Vishay Telefunken
www.vishay.de
• FaxBack +1-408-970-5600
Rev. 3, 20-Jan-99
2 (5)
Document Number 85005
Electrical DC Characteristics
Tamb = 25_C, unless otherwise specified
Parameter
Test Conditions
Symbol
Min
Typ
Max Unit
Collector cut-off current
–VCE = 40 V, VBE = 0
–ICES
100
mA
Collector-base cut-off current
–VCB = 20 V, IE = 0
–ICBO
100
nA
Emitter-base cut-off current
–VEB = 2 V, IC = 0
–IEBO
10
mA
Collector-emitter breakdown voltage –IC = 1 mA, IB = 0
–V(BR)CEO
35
V
DC forward current transfer ratio
–VCE = 10 V, –IC = 3 mA
hFE
25
50
90
Electrical AC Characteristics
Tamb = 25_C, unless otherwise specified
Parameter
Test Conditions
Sym-
bol
Min
Typ
Max
Unit
Transition frequency
–VCE = 10 V, –IC = 3 mA, f = 300 MHz
fT
1000
MHz
Collector-base capacitance
–VCB = 10 V, f = 1 MHz
Ccb
0.4
pF
Noise figure
–VCE = 10 V, –IC = 3 mA, ZS = 50 W,
f = 800 MHz
F
4.2
5.0
dB
Power gain
–VCE = 10 V, –IC = 3 mA, ZL = 500 W,
f = 800 MHz
Gpb
13
14.5
dB
Collector current for Gpbmax –VCE = 10 V, ZL = 500 W, f = 800 MHz
–IC
5
mA


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