A D V A N C E D S E M I C O N D U C T O R, I N C. REV. A
7525 ETHEL AVENUE • NORTH HOLLYWOOD, CA 91605 • (818) 982-1200 • FAX (818) 765-3004 1/1
Specifications are subject to change without notice.
CHARACTERISTICS TC = 25
O
C
SYMBOL TEST CONDITIONS MINIMUM TYPICAL MAXIMUM UNITS
BV
CEO
I
C
= 20 mA 18 V
BV
CBO
I
C
= 20 mA 36 V
BV
EBO
I
E
= 5.0 mA 4.0 V
I
CES
V
CES
= 15 V 5.0 mA
h
FE
V
CE
= 5.0 V I
C
= 500 mA 30 50 ---
C
ob
V
CB
= 12.5 V f = 1.0 MHz 120 155 pF
G
PE
η
d
3
V
CC
= 12.5 V ICQ = 20 mA P
out
= 15 W (PEP)
f
1
= 30 MHz f
2
= 30.001 MHz
12
40
14
-30
dB
%
dB
NPN SILICON RF POWER TRANSISTOR
MRF479
DESCRIPTION:
The ASI MRF479 is Designed for
12.5 V FM Large-Signal Amplifier
Applications to 50 MHz.
MAXIMUM RATINGS
I
C
2.0 A (CONT)
V
CE
18 V
V
CB
36 V
P
DISS
30 W @ T
C
= 25
O
C
T
STG
-65
O
C to +150
O
C
θ
JC
5.85
O
C/W
PACKAGE STYLE TO-220AB (COMMON EMITTER)
1 = BASE 2 = EMITTER
3 = COLLECTOR TAB = EMITTER