NTE NTE470

NTE470
Silicon NPN Transistor
RF Power Output
Description:
The NTE470 is a silicon NPN RF transistor in a W52 type package designed primarily for application
as a high–power linear amplifier from 2.0 to 30MHz.
Features:
D Specified 12.5V, 30MHz Characteristics:
Output Power = 100W (PEP)
Minimum Gain = 10dB
Efficiency
= 40%
D Intermodulation Distortion @ 100W (PEP): IMD = –30dB Min
D 100% Tested for Load Mismatch at all Phase Angles with 30:1 VSWR
Absolute Maximum Ratings:
Collector–Emitter Voltage, VCEO . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20V
Collector–Base Voltage, VCBO . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45V
Emitter–Base Voltage, VEBO . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3V
Continuous Collector Current, IC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20A
Withstand Current (10s) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30A
Total Device Dissipation (TC = +25°C), PD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 290W
Derate Above 25°C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1.66W/°C
Storage Temperature Range, Tstg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –65° to +150°C
Thermal Resistance, Junction–to–Case, RthJC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0.6°C/W
Electrical Characteristics: (TC = +25°C unless otherwise specified)
Parameter
Symbol
Test Conditions
Min
Typ
Max
Unit
V(BR)CEO IC = 50mA, IB = 0
20
–
–
V
V(BR)CES IC = 200mA, VBE = 0
45
–
–
V
Collector–Base Breakdown Voltage
V(BR)CBO IC = 200mA, IE = 0
45
–
–
V
Emitter–Base Breakdown Voltage
V(BR)EBO IE = 10mA, IC = 0
3
–
–
V
–
–
10
mA
OFF Characteristics
Collector–Emitter Breakdown Voltage
Collector Cutoff Current
ICES
VCE = 16V, VBE = 0, TC = +25°C
Electrical Characteristics (Cont’d): (TC = +25°C unless otherwise specified)
Parameter
Symbol
Test Conditions
Min
Typ
Max
Unit
ON Characteristics
DC Current Gain
hFE
IC = 5A, VCE = 5V
10
30
–
Cob
VCB = 12.5V, IE = 0, f = 1MHz
–
650
800
pF
GPE
VCC = 12.5V, Pout = 100W,
IC(max) = 10A, ICQ = 150mA,
f = 30, 30.001MHz
10
12
–
dB
40
–
–
%
–
–33
–30
dB
Dynamic Characteristics
Output Capacitance
Functional Tests
Common–Emitter Amplifier Power Gain
η
Collector Efficiency
Intermodulation Distortion (Note 1)
IMD
Note 1. To proposed EIA method of measurement. Reference peak envelope power.
.725 (18.42)
.127 (3.17) Dia
(2 Holes)
E
C
B
E
.250
(6.35)
.225 (5.72)
1.061 (26.95)
Ceramic Cap
.480 (12.1) Dia
.260
(6.6)
.065 (1.68)
.975 (24.77)
.095 (2.42)