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PDF CM4957 Data sheet ( Hoja de datos )
| Número de pieza | CM4957 | |
| Descripción | PNP HIGH FREQUENCY SILICON TRANSISTOR | |
| Fabricantes | Central Semiconductor | |
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DATA SHEET
CM4957
PNP HIGH FREQUENCY
SILICON TRANSISTOR
TO-72 CASE
DESCRIPTION
The CENTRAL SEMICONDUCTOR CM4957 is a Silicon PNP RF Transistor, mounted in a hermetically sealed
package, designed for high frequency amplifier and non-saturated switching applications. This device is a
replacement for the 2N4957.
MAXIMUM RATINGS (TA=25°C)
Collector-Base Voltage
Collector-Emitter Voltage
Emitter-Base Voltage
Collector Current - Continuous
Power Dissipation
Power Dissipation (TC=25°C)
Operating and Storage
Junction Temperature
SYMBOL
VCBO
VCEO
VEBO
IC
PD
PD
TJ,Tstg
30
25
3.0
30
200
300
-65 to +200
UNITS
V
V
V
mA
mW
mW
°C
ELECTRICAL CHARACTERISTICS (TA=25°C unless otherwise noted)
SYMBOL
ICBO
BVCBO
BVCEO
BVEBO
hFE
fT
Ccb
hfe
Gpe
TEST CONDITIONS
VCB=10V
IC=100µA
IC=1.0mA
IE=100µA
VCE=10V, IC=2.0mA
VCE=10V, IC=2.0mA, f=100MHz
VCB=10V, IE=0, f=1.0MHz
VCE=10V, IC=2.0mA, f=1.0kHz
VCE=10V, IC=4.0mA, f=450MHz
MIN TYP MAX
100
30
25
3.0
20 150
1200
2500
1.6 2.0
20 200
17 25
UNITS
nA
V
V
V
MHz
pF
dB
(Continued)
R2
1 page | ||
| Páginas | Total 2 Páginas | |
| PDF Descargar | [ Datasheet CM4957.PDF ] | |
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