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NTE353
Silicon PNP Transistor
RF Power Output
= 4W @ 175MHz
P
O
Description:
The NTE353 is designed for 12.5 Volt VHF large−signal amplifier applications required in military and
industrial equipment operating to 250MHz.
Features:
D Balanced Emitter Construction with Isothermal Resistor Design to Provide the Designer with
the Optimum in Transistor Ruggedness.
D Low lead Inductance Stripline Packaging for Easier Design and Increased Broadband Capabilities
D Flange Package for Easy Mounting and Better Thermal Conductivity to Heat Sink.
D Exceptional Power Output Stability versus Temperature.
Absolute Maximum Ratings:
Collector−Emitter Voltage, V
Collector−Base Voltage, V
Emitter−Base Voltage, V
Collector Current−Continuous, I
Total Device Dissipation (T
CEO
CBO
EBO
C
= +25°C, Note 1), P
C
D
Derate Above 25°C 45.7mW/°C. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Storage Temperature Range, T
stg
−65° to +200°C. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
18V. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
36V. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
4V. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1A. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
8W. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Note 1. This device is designed for RF operation. The total device dissipation rating applies only
when the device is operated as an RF amplifier.
Electrical Characteristics:
Parameter Symbol Test Conditions Min Typ Max Unit
OFF Characteristics
Collector−Emitter Breakdown Voltage V
Emitter−Base Breakdown Voltage V
Collector Cutoff Current I
(TC = +25°C unless otherwise specified)
(BR)CEOIC
V
(BR)CESIC
(BR)EBOIE
CBO
I
CES
= 10mA, IB = 0 18 − − V
= 5mA, VBE = 0 36 − − V
= 1mA, IC = 0 4 − − V
VCB = 15V, IE = 0 − − 250 µA
VCE = 15V, VBE = 0, TC = +55°C − − 5 mA
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Electrical Characteristics (Cont’d): (TC = +25°C unless otherwise specified)
Parameter Symbol Test Conditions Min Typ Max Unit
ON Characteristics
DC Current Gain h
Dynamic Characteristics
Output Capacitance C
Functional Test
Common−Emitter Amplifier Power Gain G
Collector Efficiency η P
FE
ob
PE
.725 (18.42)
EC
.250
(6.35)
VCE = 5V, IC = 250mA 5 − −
VCB = 12.5V, IE = 0, f = 100kHz − 17 20 pF
P
= 4W, VCC = 12.5V,
OUT
I
max = 620mA, f = 175MHz
C
= 4W, VCC = 12.5V, f = 175MHz 50 − − %
OUT
12 − − dB
.122 (3.1) Dia
(2 Holes)
.225 (5.72)
.185 (4.7)
.378 (9.56)
.005 (0.15)
BE
.860 (21.84)
.975 (24.77)
.255
(6.5)
.085 (2.14)
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