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