NTE346
Silicon NPN Transistor
RF Power Transistor
Description:
The NTE346 is a silicon NPN transistor in a TO39 type package designed for amplifier, frequency multiplier, or oscillator applications in military and industrial equipment. Suitable for use as output driver
or pre–driver stages, in VHF and UHF equipment.
Features:
D Current–Gain–Bandwidth Product–fT = 500MHz (Min) @ IC = 50mAdc
D Power Gain–G
D 1 Watt Minimum Power Output @ f = 175MHz
D Multiple–Emitter Construction for Excellent High–Frequency Performance
Absolute Maximum Ratings:
Collector–Emitter Voltage, V
Collector–Base Voltage, V
Emitter–Base Voltage, V
Collector Current–Continuous, I
Base Current–Continuous. I
Total Device Dissipation (TA = +25°C), PD 1.0W. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Derate above 25°C 5.71mW/°C. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Total Device Dissipation (T
Derate above 25°C 20mW/°C. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Storage Temperature Range, T
= 10dB (Min) @ VCE =12Vdc
pe
20V. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
CEO
40V. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
CB
2.0V. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
EB
400mA. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
C
400mA. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
B
= +25°C), PD 3.5Wa. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
C
–65° to +200°C. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
stg
Electrical Characteristics
Parameter Symbol Test Conditions Min Typ Max Unit
OFF Characteristics
Collector–Emitter Sustaining Voltage
Collector Cutoff Current I
Emitter Cutoff Current I
: (TC = +25°C unless otherwise specified)
V
CEO(sus)IC
V
CER(sus)IC
CEO
I
CEV
EBO
= 5mA, IB = 0 20 – – V
= 5mA, RBE = 10Ω 40 – – V
VCE = 12V, IB = 0 – – 0.02 mA
VCE = 40V, VBE = –1.5V – – 0.1 mA
VCE = 12V, VBE = –1.5V, TC = +150°C – – 5.0 mA
VEB = 2V, IC = 0 – – 0.1 mA
Electrical Characteristics (Cont’d): (TC = +25°C unless otherwise specified)
Parameter Symbol Test Conditions Min Typ Max Unit
ON Characteristics
DC Current Gain h
Collector–Emitter Saturation Voltage V
Dynamic Characteristics
Current–Gain Bandwidth Product f
Output Capacitance C
Functional Test
Power Input P
Collector Efficiency η
Common–Emitter Amplifier Power Gain G
CE(sat)IC
FE
T
ob
pe
IC = 100mA, VCE = 5V 10 – 200
IC = 360mA, VCE = 5V 5 – –
= 100mA, IB = 20mA – – 0.5 V
IC = 50mA, VCE = 15V, f = 1MHz 500 – – MHz
VCB = 12V, IE = 0, f = 1MHz – – 4 pF
P
in
= 1W, ZS = 50Ω, VCC = 12V,
out
f = 175MHz
Pin = 100mW, ZS = 50Ω, VCC = 12V,
f = 175MHz
– – 100 W
50 – – %
10 – – dB
.370 (9.39) Dia Max
.355 (9.03) Dia Max
.260 (6.6)
Max
.500 (12.7)
Min
E
45°
.018 (0.45) Dia
B
C/Case
.031 (.793)