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
Specif i cations are subj ect to change wi thout notice.
CHARACTERISTICS TC = 25 OC
SYMBOL NONETEST CONDITIONS MINI MUM TYPICAL MAXIMUM UNITS
BVEBO IE = 20 mA 4.0 V
BVCES IC = 20 mA 33 V
ICBO VCB = 30 V 1.0 mA
hFE VCE = 5.0 V IC = 0.5 A 25 80 ---
COB VCB = 28 V f = 860 MHz 15 pF
PG
η
ηη
ηDVCC = 28 V POUT = 10 W f = 400 MHz 10 60 dB
%
NPN SILICON RF POWER TRANSISTOR
MRF321
DESCRIPTION:
The ASI MRF321 is Designed for
High Power Class C Amplifier, in 225
to 400 MHz Military Communication
Equipment.
FEATURES:
• Class C Operation
• PG = 10 dB at 10 W/400 MHz
• Omnigold™ Metalization System
MAXIMUM RATINGS
IC1.1 A
VCBO 60 V
VCEO 33 V
VEBO 4.0 V
PDISS 27 W @ TC = 25 OC
TJ-65 OC to +200 OC
TSTG -65 OC to +150 OC
θ
θθ
θJC 8.0 OC/W
PACKAGE STYLE .280 4L STUD
ORDER CODE: ASI10694
MINIMUM
inches / mm
.003 / 0.08
.270 / 6.86
.117 / 2.97
B
C
D
E
F
G
A
MAXIMUM
.285 / 7.24
.137 / 3.48
.007 / 0.18
inches / mm
H.245 / 6.22 .255 / 6.48
DIM
1.010 / 25.65 1.055 / 26.80
I
J.217 / 5.51
.220 / 5.59
K
.175 / 4.45 .285 / 7.24.275 / 6.99
.572 / 14.53
.640 / 16.26
.130 / 3.30
.230 /5.84
G
K
H
F
E
D C
B
45° A
#8-32 UNC
I
J
C
B
EE
