NTE NTE480

NTE480
Silicon NPN Transistor
RF Power Output for Broadband Amp,
PO = 40W @ 512MHz
Description:
The NTE480 is a 12.5 Volt epitaxial silicon NPN common emitter transistor designed for broadband
applications in the 450 to 512MHz land mobile radio band. This device utilizes diffused emitter resistors to withstand infinite VSWR under operating conditions.
Features:
D Designed for UHF Commercial Equipment
D 38W with Greater than 5.8dB Gain
D Withstands 20:1 VSWR Min., All Phase Angles
D Tuned Q Technology
D Diffused Emitter Resistors
Absolute Maximum Ratings: (TC = +25°C unless othrwise specified)
Collector–Base Voltage, VCBO . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36V
Collector–Emitter Voltage, VCEO . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16V
Emitter–Base Voltage, VEBO . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4V
Maximum Collector Current, IC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8A
Total Device Dissipation (At +25°C), Ptot . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 117W
Operating Junction Temperature, TJ . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . +200°C
Storage Temperature Range, Tstg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –65° to +150°C
Thermal Resistance, Junction–to–Case, RthJC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1.5°C/W
Electrical Characteristic: (TC = +25°C unless otherwise specified)
Parameter
Symbol
Test Conditions
Min
Typ
Max
Unit
V(BR)CEO IC = 50mA, IB = 0, Note 1
16
–
–
V
V(BR)CES IC = 15mA, VBE = 0, Note 1
36
–
–
V
V(BR)EBO IE = 5mA, iC = 0
4
–
–
V
mA
Static
Collector–Emitter Breakdown Voltage
Emitter–Base Breakdown Voltage
Collector Cutoff Current
ICES
VCE = 12.5V, VBE = 0
–
–
5
DC Current Gain
hFE
VCE = 5V, IC = 1A
20
–
–
Note 1. Pulsed through 25mH indicator.
Electrical Characteristic (Cont’d): (TC = +25°C unless otherwise specified)
Parameter
Symbol
Test Conditions
Min
Typ
Max
Unit
Static
Output Power
PO
VCE = 12.5V, f = 470MHz
38
40
–
W
Power Gain
PG
VCE = 12.5V, f = 470MHz
5.8
–
–
dB
Impedance
Zs
VCE = 12.5V, Pi = 10W, f = 470MHz
–
2– j1.3
–
Ω
–
1.6– j1.8
–
Ω
–
95
–
pF
Zcl
Output Capacitance
Cob
VCB = 12.5V, IE = 0, f = 1MHz
.205 (5.18)
E
.215 (5.48)
.122 (3.1) Dia
B
.405
(10.3)
Min
C
E
.155 (3.94)
.500 (12.7) Dia
.005 (0.15)
.270
(6.85)
.160 (4.06)
.725 (18.43)
.975 (24.78)