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. B
7525 ETHEL AVENUE • NORTH HOLLYWOOD, CA 91605 • (818) 982-1200 • FAX (818) 765-3004 1/1
Specif i cations are subjec t to change without notice.
CHARACTERISTICS TC = 25 °C
SYMBOL NONETEST CONDITIO NS MINIMUM TYPICAL MAXIMUM UNITS
BVCEO IC = 50 mA 20 V
BVCES IC = 100 mA 45 V
BVCBO IC = 100 mA 45 V
BVEBO IE = 10 mA 4.0 V
ICES VCE = 16 V 10 mA
hFE VCE = 5.0 V IC = 5.0 A 10 200 ---
COB VCB = 12.5 V f = 1.0 MHz 650 pF
GP
IMD3
η
ηη
ηC
VCE = 12.5 V ICQ = 150 mA f = 30 MHz
VCE = 12.5 V ICQ = 150 mA POUT = 100 W 10
40
12
-30 dB
dBc
%
NPN SILICON RF POWER TRANSISTOR
MRF421
DESCRIPTION:
The ASI MRF421 is Designed f or
High linear am plifier applications f rom
2.0 to 30 MHZ.
FEATURES:
• PG = 12 dB min. at 100 W/30 MHz
• IMD3 = -30 dBc max. at 100 W(PEP)
• Omnigold™ Metalization System
MAXIMUM RATINGS
IC 20 A
VCBO 45 V
VCEO 20 V
VEBO 3.0 V
PDISS 290 W @ TC = 25 °C
TJ -65 °C to +200 °C
TSTG -65 °C to +150 °C
θ
θθ
θJC 0.6 °C/W
PACKAGE STYLE .500 4L FLG
ORDER CODE: ASI10824
MINIMUM
inches / mm
.220 / 5.59
.720 / 18.28
.125 / 3.18
.245 / 6.22
.970 / 24.64
B
C
D
E
F
G
A
MAXIMUM
.255 / 6.48
.980 / 24.89
.7.30 / 18.54
inches / mm
.230 / 5.84
H.003 / 0.08 .007 / 0.18
DIM
K
L
I
J
.090 / 2.29
.150 / 3.81
.980 / 24.89
.110 / 2.79
.175 / 4.45
1.050 / 26.67
H
IK
J
.112x45°
FULL R
C
E
B
G
D F
AL
Ø.125 NOM.
.125 / 3.18
.495 / 12.57 .505 / 12.83
.280 / 7.11
