2N2857 查看數據表（PDF） - Advanced Power Technology
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2N2857 Datasheet PDF : 4 Pages
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ELECTRICAL SPECIFICATIONS (Tcase = 25°C)
STATIC
Symbol
Test Conditions
BVCEO
BVCBO
BVEBO
ICBO
HFE
Collector-Emitter Breakdown Voltage
(IC = 3.0 mAdc, IB = 0)
Collector-Base Breakdown Voltage
(IC=1.0 µAdc, IE=0)
Emitter-Base Breakdown Voltage
(IE = 10 µAdc, IC = 0)
Collector Cutoff Current
(VCE = 15 V, IE = 0 V)
DC Current Gain
(IC = 3.0 mAdc, VCE = 1.0 V)
DYNAMIC
Symbol
fT
NF
Test Conditions
Current-Gain - Bandwidth Product
(IC = 5.0 mAdc, VCE = 6 V, f = 100 MHz)
Noise Figure (50 Ohms)
(IC = 1.5 mAdc, VCE = 6 V, f = 500 MHz)
2N2857
Value
Min.
Typ.
Max.
Unit
15
-
-
V
30
-
-
V
2.5
-
-
V
-
-
.01
µA
30
-
150
Min.
Value
Typ.
1.6
5.5
Max.
-
Unit
GHz
dB
FUNCTIONAL
Symbol
G
U max
Test Conditions
Maximum Unilateral Gain
IC = 12 mAdc, VCE = 10V,
f = 500 MHz
MAG
|S21|2
Maximum Available Gain
Insertion Gain
IC = 12 mAdc, VCE = 10V,
f = 500 MHz
IC = 12 mAdc, VCE = 10V,
f = 500 MHz
Value
Unit
Min.
Typ.
Max.
-
13
-
dB
-
13.5
-
dB
9.5
10.5
-
dB
Advanced Power Technology reserves the right to change, without notice, the specifications and information contained herein
Visit our website at WWW.ADVANCEDPOWER.COM or contact our factory direct.
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