NTE NTE345 Datasheet

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–signal 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–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

D

Derate Above 25°C 0.37W/°C. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Operating Junction Temperature Range, T
Storage Temperature Range, T

stg

J

–65° to +200°C. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

–65° to +200°C. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

18V. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

36V. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

4V. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

5A. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

65W. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

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
Functional Tests (VCC = 13.6V unless otherwise specified)
Common–Emitter Amplifier

Power Gain

Collector Efficiency

(TC = +25°C unless otherwise specified)

(BR)CEOIC
(BR)CBOIC
(BR)EBOIE

FE

ob

G

PE

η

= 100mA, IB = 0 18 – – V
= 15mA, IE = 0 36 – – V
= 5mA, IC = 0 4 – – V

IC = 1A, VCE = 5V 5 – –

VCB = 15V, IE = 0, f = 0.1 to 1MHz – 110 130 pF

P

= 30W, f = 160MHz 9 10 – dB

out

P

= 30W, f = 160MHz 60 – – %

out

.520 (13.2)

1.040 (26.4) Max

C

.230

(5.84)

.100 (2.54)

8–32–NC–3A

EE

B

.385 (9.8)

Dia

.168 (4.27)

.005 (0.15)

.750

(19.05)

Wrench Flat