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PDF 2N3948 Data sheet ( Hoja de datos )

Número de pieza 2N3948
Descripción HIGH FREQUENCY TRANSISTOR
Fabricantes Motorola Semiconductors 
Logotipo Motorola Semiconductors Logotipo



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No Preview Available ! 2N3948 Hoja de datos, Descripción, Manual

MAXIMUM RATINGS
Rating
Collector-Emitter Voltage
Collector-Base Voltage
Emitter-Base Voltage
Collector Current Continuous
@Total Device Dissipation Ta = 25°C
Derate above 25°C
Operating and Storage Junction
Temperature Range
THERMAL CHARACTERISTICS
Characteristic
Thermal Resistance, Junction to Case
Thermal Resistance, Junction to Ambient
Symbol
vCEO
VCBO
VEBO
'C
PD
TJ. Tstg
Symbol
R<uc
R flJA
Value
20
36
3.5
400
1.0
5.71
- 65 to + 200
Max
35
175
Unit
Vdc
Vdc
Vdc
mAdc
Watt
mW/°C
°C
Unit
°C/W
°C/W
2N3948
CASE 79-02, STYLE 1
TO-39 (TO-205AD)
HIGH FREQUENCY TRANSISTOR
NPN SILICON
ft
ELECTRICAL CHARACTERISTICS (Ta = 25°C unless otherwise noted.)
Characteristic
OFF CHARACTERISTICS
Collector-Emitter Sustaining Voltage
dC ="5.0 mAdc, Ib = 0)
Collector-Base Breakdown Voltage
dC = 0.1 mAdc, = 0)
Emitter-Base Breakdown Voltage
(IE = 0.1 mAdc, lc = 0)
Collector Cutoff Current
(Vcb = 15 Vdc, = 0)
(Vcb = 15 Vdc, Ie = 0, Ta = 150°C)
ON CHARACTERISTICS
DC Current Gain
flC = 50 mAdc, Vqe = 5.0 Vdc)
SMALL SIGNAL CHARACTERISTICS
Current-Gain Bandwidth Product
(IE = 50 mAdc, Vqe = 15 Vdc, f = 200 MHz)
Output Capacitance
(Vqb = 15 Vdc, E| = 0, f = 1.0 MHz)
FUNCTIONAL TEST (FIGURE 1)
Power Gain
Output Power
Collector Efficiency
(Vcc = 13.6 Vdc, f = 400 MHz, P in = 0.25 W)
-Symbol
vCE0(sus)
v (BR)CBO
v (BR)EBO
'CBO
Mm
20
36
3.5
-
hFE
h
C bo
G De
p out
V
15
700
6.0
1.0
45
Max
-
0.1
100
-
4.5
Unit
Vdc
Vdc
Vdc
juAdc
MHz
PF
dB
Watt
%
7-13

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