NTE355
Silicon NPN Transistor
RF Power Output
PO = 30W @ 175MHz
Description:
The NTE355 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, VCEO . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18V
Collector–Base Voltage, VCBO . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36V
Emitter–Base Voltage, VEBO . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4V
Collector Current–Continuous, IC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4A
Total Device Dissipation (TC = +25°C, Note 1), PD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40W
Derate Above 25°C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 228mW/°C
Storage Temperature Range, Tstg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –65° to +200°C
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: (TC = +25°C unless otherwise specified)
Parameter
Symbol
Test Conditions
Min Typ Max Unit
OFF Characteristics
Collector–Emitter Breakdown Voltage
V
I = 50mA, I = 0
18
36
4
–
–
–
–
–
–
–
–
V
V
V
(BR)CEO
C
B
V
I = 15mA, V = 0
C BE
(BR)CES
Emitter–Base Breakdown Voltage
Collector Cutoff Current
V
I = 5mA, I = 0
E C
(BR)EBO
I
V
= 15V, I = 0
–
1.0 mA
10 mA
CBO
CB
CE
E
I
V
= 15V, V = 0, T = +55°C
–
CES
BE
C