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C1-28
NPN SILICON RF POWER TRANSISTOR
DESCRIPTION:
The C1-28 is Designed for 28 Volt Class C Amplifier Applications up to 500 MHz.
PACKAGE STYLE .280 4L PILL
A
FEATURES:
* PG = 12 dB Typ. at 1.0 W/400 MHz * C = 65 % Typ. at 1.0 W/400 MHz * OmnigoldTM Metalization System
C
E B E
OC
OB
MAXIMUM RATINGS
IC VCBO VCEO VEBO PDISS TJ T STG JC
O O
250 mA 40 V 28 V 3.5 V 7.0 W @ TC = 25 C -65 C to +200 C -65 C to +150 C 20 OC/W
TC = 25 OC
O O O
DIM A B C D E F
D E F
MINIMUM
inches / mm
MAXIMUM
inches / mm
.220 / 5.59 .275 / 6.99 .004 / 0.10 .050 / 1.27 .118 / 3.00
.230 / 5.84 1.055 / 26.80 .285 / 7.24 .006 / 0.15 .060 . 1.52 .130 / 3.30
ORDER CODE: ASI10791
CHARACTERISTICS
SYMBOL
BV CBO BV CES BV EBO ICBO hFE COB IC = 5.0 mA IC = 5.0 mA IE = 5.0 mA VCB = 28 V VCE = 5.0 V VCB = 28 V MHz VCE = 28 V
NONETEST CONDITIONS
MINIMUM TYPICAL MAXIMUM
50 50 4.0 500
UNITS
V V V A --pF
IC = 100 mA f = 1.0
20 3.5
120 5.0
PG C
POUT = 1.0 W
f = 400 MHz
10 60
12
dB %
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 * NORTH HOLLYWOOD, CA 91605 * (818) 982-1200 * FAX (818) 765-3004
Specifications are subject to change without notice.
REV. A
1/2
CCERROR! REFERENCE SOURCE NOT FOUND.
C1-28
PIN vs. P OUT
f = 400 MHz 2.5 POUT - Watts 2 1.5 1 0.5 0 0 50 100 PIN - mWatts 150 f = 500 MHz
Series Input Impedance
R +Jx 5.5 1 65 60 5 R - Ohms +Jx 4.5 0.5 0.75 +Jx - Ohms R - Ohms 55 50 45 40 35 30 25 3.5 100 200 300 400 500 Frequency - MHz 0 20 100 +Jx
Series Load Impedance
R +Jx 54 53 52 50 R 49 48 47 46 45 200 300 400 500 Frequency - MHz +Jx - Ohms 51
4 R
0.25
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 * NORTH HOLLYWOOD, CA 91605 * (818) 982-1202 * FAX (818) 765-3004
Specifications are subject to change without notice.
REV. A 2/2

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