MRF421 NJSEMI | Alldatasheet
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, O ne. 20 STERN AVE. SPRINGFIELD, NEW JERSEY 07081 U.S.A. MRF421 TELEPHONE: (973) 376-2922 (212) 227-6005 FAX: (973) 376-8960 Designed primarily for application as a high-power linear amplifier from 2.0 Product Image to 30 MHz. Specified 12.5 V, 30 MHz characteristics — Output power = 100 W (PEP) Minimum gain = 10 dB Efficiency = 40% Intermodulation distortion @ 100 W (PEP) — IMD = -30 dB (min.) 100% tested for load mismatch at all phase angles with 30:1 VSWR CASE 211-11 MAXIMUM RATINGS Rating Collector-Emitter Voltage Collector-Base Voltage Emitter-Base Voltage Collector Current — Continuous Withstand Current — 10s Total Device Dissipation @ TC = 25°C Derate above 25°C Storage Temperature Range Symbol VCEO VCBO VEBO lc PD Tstg Value 3,0 290 166 -65 to 4 150 Unit Vdc Vdc Vdc Adc Adc Watts W/*C THERMAL CHARACTERISTICS OFF CHARACTERISTICS Characteristic Thermal Resistance, Junction to Case Symbol RHJC Max ELECTRICAL CHARACTERISTICS (Tc = 25=C unless otherwise noted.) Characteristic Symbol Min Typ Unit »C/W Max Unit Collector-Emitter Breakdown Voltage (lc = 50 mAdc; IB = 0} Collector-Emitter Breakdown Voltage (lc = 200 mAdc. VBE = 0) Collector-Base Breakdown Voltage (lc = 200 mAdc, IE = 0) Emitter-Base Breakdown Voltage (IE = 10 mAdc. lc = 0} Collector Cutoff Current (VCE = 16 Vdc, VBE = 0, Tc = 25"C) V(BR)CEO VIBRJCES V(BR)CBO V(BR)EBO ICES 3.0 Vdc Vdc Vdc Vdc mAdc (continued) NJ Semiconductors reserves the right to change test conditions, parameter limits and package dimensions without notice. Information furnished b> N.I Semi-Conductors is believed to be both accurate and reliable at the time of going to press. However, NJ Semi-Conductors assumes no responsibility for any errors or omissions discovered in its use VI Semi-Conductors encourages customers to verity that datasheets are current before phcing orders fll l^«llA
I. To proposed EIA method of measurement. Reference peak envelope power. L2 — 12 Turns, #16 Enameled Wire Closewound, 1/4" I.D. Figure 1. 30 MHz Test Circuit Schematic