Details, datasheet, quote on part number: MRF429
PartMRF429
CategoryDiscrete => Transistors => Bipolar => RF
Description150 W, 30 Mhz, RF Power Transistor NPN Silicon
CompanyM/A-COM, Inc.
DatasheetDownload MRF429 datasheet
Cross ref.Similar parts: SD1726
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Features, Applications

Designed primarily for high­voltage applications as a high­power linear amplifier from to 30 MHz. Ideal for marine and base station equipment. Specified 50 Volt, 30 MHz Characteristics Output Power 150 W (PEP) Minimum Gain 13 dB Efficiency = 45% Intermodulation Distortion 150 W (PEP) IMD ­32 dB (Max) Diffused Emitter Resistors for Superior Ruggedness 100% Tested for Load Mismatch at all Phase Angles with 30:1 VSWR W CW

Rating Collector­Emitter Voltage Collector­Base Voltage Emitter­Base Voltage Collector Current Continuous Withstand Current 10 s Total Device Dissipation = 25°C Derate above 25°C Storage Temperature Range Symbol VCEO VCBO VEBO IC PD Tstg Value to +150 Unit Vdc Adc Watts W/°C °C

Characteristic Thermal Resistance, Junction to Case Symbol RJC Max 0.75 Unit °C/W

Collector­Emitter Breakdown Voltage (IC = 200 mAdc, = 0) Collector­Emitter Breakdown Voltage (IC = 100 mAdc, VBE = 0) Collector­Base Breakdown Voltage (IC = 100 mAdc, = 0) Emitter­Base Breakdown Voltage (IE = 10 mAdc, = 0) V(BR)CEO V(BR)CES V(BR)CBO V(BR)EBO Vdc (continued)

ELECTRICAL CHARACTERISTICS continued (TC = 25°C unless otherwise noted.)

Common­Emitter Amplifier Gain (VCC = 50 Vdc, Pout 150 W (PEP), IC(max) = 3.32 Adc, 30; 30.001 MHz) Output Power (VCE = 50 Vdc, 30; 30.001 MHz) Collector Efficiency (VCC = 50 Vdc, Pout 150 W (PEP), IC(max) = 3.32 Adc, 30, 30.001 MHz) Intermodulation Distortion (1) (VCE = 50 Vdc, Pout 150 W (PEP), = 3.32 Adc) Electrical Ruggedness (VCC = 50 Vdc, Pout 150 W CW, = 30 MHz, VSWR 30:1 at all Phase Angles) GPE 15 dB

NOTE: To Mil­Std­1311 Version A, Test Method 2204, Two Tone, Reference each Tone.

, 1.0 Watt R3 Watt Carbon Resistors in Parallel L1 3 Turns, #16 Wire, 5/16 I.D., 5/16 Long 10 µH Molded Choke L3 12 Turns, #16 Enameled Wire Closewound, 1/4 I.D. L4 5 Turns, 1/8 Copper Tubing, 9/16 I.D., 3/4 Long L5 10 Ferrite Beads Ferroxcube #56­590­65/3B

VCC 28 V Pout , OUTPUT POWER (WATTS PEP) Pout , OUTPUT POWER (WATTS CW) = 30 MHz ICQ 150 mA
Figure 2. Output Power versus Input Power
Figure 3. Output Power versus Supply Voltage


 

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