2N2857C1 Semelab Group, 2N2857C1 Datasheet - Page 2

• Manufacturer Part Number: 2N2857C1
• Description: Silicon Rf Small Signal Npn Transistor
• Manufacturer: Semelab Group

SILICON RF SMALL SIGNAL
NPN TRANSISTOR
2N2857C1
Notes
Notes
Notes
Notes
(1)
(2)
Semelab Limited
Semelab Limited
Semelab Limited
Semelab Limited
Telephone [phone]
ELECTRICAL CHARACTERISTICS
Symbols
V (BR)CEO
I CBO
I CES
I EBO
h FE
V CE(sat)
V BE(sat)
DYNAMIC CHARACTERISTICS
| h fe |
h fe
C cb
r b ’C C
G pe
NF
(2)
Pulse Width ≤ 300us, δ ≤ 2%
By design only, not a production test.
(1)
(2)
(1)
(1)
(1)
Parameters
Collector-Emitter
Breakdown Voltage
Collector-Cut-Off Current
Collector-Cut-Off Current
Emitter-Cut-Off Current
Forward-current transfer
ratio
Collector-Emitter Saturation
Voltage
Base-Emitter Saturation
Voltage
Small signal forward-current
transfer ratio
Small Signal Current Gain
Collector – Base Feedback
Capacitance
Collector Base Time
Constant
Small Signal Power Gain
Noise Figure
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(T A = 25°C unless otherwise stated)
Test Conditions
I C = 3mA
V CB = 15V
V CB = 30V
V CE = 16V
V EB = 3V
I C = 3mA
I C = 10mA
I C = 10mA
I C = 5mA
f = 100MHz
I C = 2mA
f = 1.0KHz
V CB = 10V
f = 1.0MHz
I E = 2mA
f = 31.9MHz
V CE = 6V
f = 450MHz
V CE = 6V
f = 450MHz
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I B = 0
I E = 0
T A = 150°C
I E = 0
I B = 0
I C = 0
V CE = 1.0V
T A = -55°C
I B = 1.0mA
I B = 1.0mA
V CE = 6V
V CE = 6V
I E = 0
V CB = 6V
I C = 1.5mA
I C = 1.5mA
R G = 50
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Min
12.5
15
30
10
10
50
4
Typ
Document Number 7726
Max
100
150
220
1.0
1.0
0.4
1.0
1.0
4.5
10
10
21
15
Units
Page 2 of 4
nA
µA
nA
µA
dB
pF
ps
V
V
Issue 1