NTE NTE325 Datasheet
NTE325
Silicon NPN RF Power Transistor
50W @ 30MHz
Description:
The NTE325 i s a silicon NPN R F p ower t ransistor in a T 72H t ype p ackage d esigned f or p ower a mplifier
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–Emitter Voltage, V
Collector–Base Voltage, V
Emitter–Base Voltage, V
Continuous Collector Current, I
Total Device Dissipation (T
CEO
CBO
EBO
C
= +25°C), P
C
Derate Above 25°C 0.66W/°C. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Storage Temperature Range, T
stg
Thermal Resistance, Junction to Case, R
D
–65° to +150°C. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Θ
JC
1.53°C/W. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
20V. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
40V. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
4V. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
7.5A. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
115W. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Electrical Characteristics:
Parameter Symbol Test Conditions Min Typ Max Unit
OFF Characteristics
Collector–Emitter Breakdown Voltage V
Collector–Base Breakdown Voltage V
Emitter–Base Breakdown Voltage V
ON Characteristics
DC Current Gain h
Dynamic Characteristics
Output Capacitance C
(TC = +25°C unless otherwise specified)
V
(BR)CEOIC
(BR)CESIC
(BR)CBOIC
(BR)EBOIE
IC = 1A, VCE = 5V 10 – –
FE
VCB = 15V, IE = 0, f = 1MHz – – 200 pF
ob
= 100mA, IB = 0 20 – – V
= 20mA, VBE = 0 40 – – V
= 20mA, IE = 0 40 – – V
= 10mA, IC = 0 4 – – V
Electrical Characteristics (Cont’d): (TC = +25°C unless otherwise specified)
Parameter Symbol Test Conditions Min Typ Max Unit
Functional Test
Common–Emitter Amplifier Power Gain G
Collector Efficiency η
Series Equivalent Input Impedance Z
Series Equivalent Output Imnpedance Z
.520 (13.2)
.230
(5.84)
EE
VCC = 13.6V, P
PE
IC(max) = 6.13A, f = 30MHz
VCC = 13.6V, P
in
f = 30MHz
out
1.040 (26.4) Max
C
OUT
OUT
= 50W,
= 50W,
11 15 – dB
50 – – %
– 1.56–j.89 – Ω
– 174–j.50 – Ω
.100 (2.54)
8–32–NC–3A
Wrench Flat
B
.385 (9.8)
Dia
.005 (0.15)
.168 (4.27)
.750
(19.05)
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