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MRF321 Datasheet, PDF (1/5 Pages) Motorola, Inc – RF POWER TRANSISTOR NPN SILICON | |||
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SEMICONDUCTOR TECHNICAL DATA
The RF Line
NPN Silicon
RF Power Transistor
. . . designed primarily for wideband largeâsignal driver and predriver amplifier
stages in 200â500 MHz frequency range.
⢠Guaranteed Performance at 400 MHz, 28 Vdc
Output Power = 10 Watts
Power Gain = 12 dB Min
Efficiency = 50% Min
⢠100% Tested for Load Mismatch at all Phase Angles with 30:1 VSWR
⢠Gold Metallization System for High Reliability
⢠ComputerâControlled Wirebonding Gives Consistent Input Impedance
Order this document
by MRF321/D
MRF321
10 W, 400 MHz
RF POWER
TRANSISTOR
NPN SILICON
MAXIMUM RATINGS
Rating
CollectorâEmitter Voltage
CollectorâBase Voltage
EmitterâBase Voltage
Collector Current â Continuous
Collector Current â Peak
Symbol
VCEO
VCBO
VEBO
IC
Value
33
60
4.0
1.1
1.5
Unit
Vdc
Vdc
Vdc
Adc
Total Device Dissipation @ TA = 25°C (1)
PD
Derate above 25°C
Storage Temperature Range
Tstg
THERMAL CHARACTERISTICS
Characteristic
Thermal Resistance, Junction to Case
27
160
â65 to +150
Watts
mW/°C
°C
Symbol
RθJC
CASE 244â04, STYLE 1
Max
Unit
6.4
°C/W
ELECTRICAL CHARACTERISTICS (TC = 25°C unless otherwise noted.)
Characteristic
Symbol
Min
Typ
Max
Unit
OFF CHARACTERISTICS
CollectorâEmitter Breakdown Voltage
(IC = 20 mAdc, IB = 0)
V(BR)CEO
33
â
â
Vdc
CollectorâEmitter Breakdown Voltage
(IC = 20 mAdc, VBE = 0)
V(BR)CES
60
â
â
Vdc
CollectorâBase Breakdown Voltage
(IC = 20 mAdc, IE = 0)
V(BR)CBO
60
â
â
Vdc
EmitterâBase Breakdown Voltage
(IE = 2.0 mAdc, IC = 0)
V(BR)EBO
4.0
â
â
Vdc
Collector Cutoff Current
(VCB = 30 Vdc, IE = 0)
ICBO
â
â
1.0
mAdc
ON CHARACTERISTICS
DC Current Gain
(IC = 500 mA, VCE = 5.0 Vdc)
hFE
20
â
80
â
NOTE:
(continued)
1. This device is designed for RF operation. The total device dissipation rating applies only when the device is operated as an RF amplifier.
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