NTE338F
Silicon NPN Transistor
RF Power Amp, Driver
Description:
The NTE338F is a silicon NPN transistor in a W52K type package designed primarily for use as a
power linear amplifier from 2 to 30MHz.
Features:
D
Specified 12.5V, 30MHz Characteristics:
Output Power = 20W (PEP)
Minimum Gain = 12dB
Efficiency = 45%
D
Intermodulation Distortion @ 20W (PEP):
IMD = 鈥?0dB Min
D
100% Tested for Load Mismatched at all Phase Angle with 30:1 VSWR
Absolute Maximum Ratings:
Collector鈥揈mitter Voltage, V
CEO
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20V
Collector鈥揃ase Voltage, V
CBO
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40V
Emitter鈥揃ase Voltage, V
EBO
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4V
Continuous Collector Current, I
C
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4A
Withstand Current (t = 5s) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12A
Total Device Dissipation (T
C
= +25擄C), P
D
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 80W
Derate Above 25擄C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0.46W/擄C
Operating Junction Temperature, T
J
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . +200擄C
Storage Temperature Range, T
stg
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 鈥?5擄 to +150擄C
Thermal Resistance, Junction鈥搕o鈥揅ase, R
thJC
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2.2擄C/W
Electrical Characteristics:
(T
C
= +25擄C unless otherwise specified)
Parameter
OFF Characteristics
Collector鈥揈mitter Breakdown Voltage
V
(BR)CEO
I
C
= 50mA, I
B
= 0
V
(BR)CES
I
C
= 50mA, V
BE
= 0
Collector鈥揃ase Breakdown Voltage
Emitter鈥揃ase Breakdown Voltage
Collector Cutoff Current
V
(BR)CBO
I
C
= 50mA, I
E
= 0
V
(BR)EBO
I
E
= 1mA, I
C
= 0
I
CES
V
CE
= 12.5V, V
BE
= 0
20
40
40
4
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鈥?/div>
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鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
5
V
V
V
V
mA
Symbol
Test Conditions
Min
Typ
Max
Unit
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