NTE325
Silicon NPN RF Power Transistor
50W @ 30MHz
Description:
The NTE325 is a silicon NPN RF power transistor in a T72H type package designed for power amplifier
applications in industrial, commercial, and amateur radio equipment to 30MHz.
Features:
D
Specified 12.5V, 30MHz Characteristics:
Output Power = 50W
Minimum Gain = 11dB
Efficiency = 50%
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
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7.5A
Total Device Dissipation (T
C
= +25擄C), P
D
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 115W
Derate Above 25擄C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0.66W/擄C
Storage Temperature Range, T
stg
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 鈥?5擄 to +150擄C
Thermal Resistance, Junction to Case, R
螛JC
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1.53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
= 100mA, I
B
= 0
V
(BR)CES
I
C
= 20mA, V
BE
= 0
Collector鈥揃ase Breakdown Voltage
Emitter鈥揃ase Breakdown Voltage
ON Characteristics
DC Current Gain
Dynamic Characteristics
Output Capacitance
C
ob
V
CB
= 15V, I
E
= 0, f = 1MHz
鈥?/div>
鈥?/div>
200
pF
h
FE
I
C
= 1A, V
CE
= 5V
10
鈥?/div>
鈥?/div>
V
(BR)CBO
I
C
= 20mA, I
E
= 0
V
(BR)EBO
I
E
= 10mA, I
C
= 0
20
40
40
4
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
V
V
V
V
Symbol
Test Conditions
Min
Typ
Max
Unit
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