NTE345
Silicon NPN Transistor
RF Power Amp, Driver
Description:
The NTE345 is a silicon NPN transistor in a T72H type package designed primarily for use in 13.6V
large鈥搒ignal amplifier applications in industrial and commercial FM equipment operating to 175MHz.
This device is ideally suited for marine radio applications.
Features:
D
Specified 13.6V, 160MHz Characteristics:
Output Power = 30W
Minimum Gain = 9dB
Efficiency = 60%
Absolute Maximum Ratings:
Collector鈥揈mitter Voltage, V
CEO
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18V
Collector鈥揃ase Voltage, V
CBO
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36V
Emitter鈥揃ase Voltage, V
EBO
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4V
Continuous Collector Current, I
C
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5A
Total Device Dissipation (T
C
= +25擄C), P
D
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 65W
Derate Above 25擄C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0.37W/擄C
Operating Junction Temperature Range, T
J
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 鈥?5擄 to +200擄C
Storage Temperature Range, T
stg
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 鈥?5擄 to +200擄C
Electrical Characteristics:
(T
C
= +25擄C unless otherwise specified)
Parameter
OFF Characteristics
Collector鈥揈mitter Breakdown Voltage
Collector鈥揃ase Breakdown Voltage
Emitter鈥揃ase Breakdown Voltage
ON Characteristics
DC Current Gain
Dynamic Characteristics
Output Capacitance
C
ob
G
PE
V
CB
= 15V, I
E
= 0, f = 0.1 to 1MHz
P
out
= 30W, f = 160MHz
P
out
= 30W, f = 160MHz
鈥?/div>
110
130
pF
h
FE
I
C
= 1A, V
CE
= 5V
5
鈥?/div>
鈥?/div>
V
(BR)CEO
I
C
= 100mA, I
B
= 0
V
(BR)CBO
I
C
= 15mA, I
E
= 0
V
(BR)EBO
I
E
= 5mA, I
C
= 0
18
36
4
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
V
V
V
Symbol
Test Conditions
Min
Typ
Max
Unit
Functional Tests
(V
CC
= 13.6V unless otherwise specified)
Common鈥揈mitter Amplifier
Power Gain
Collector Efficiency
9
60
10
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