P R INT E D C I RCUI T T R ANS FORME R S

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PRINTED CIRCUIT TRANSFORMERS

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Split Bobbin-Printed Circuit Transformers Single & Dual Primaries

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N-CHANNEL ENHANCEMENT MODE

The ARF448A and ARF448B comprise a symmetric pair of common source RF power transistors designed for push pull scientific, commercial, medical and industrial RF power amplifier applications up to 65 MHz. Specified 150 Volt, 40.68 MHz Characteristics: Output Power = 140 Watts. Gain = 1

Damper diode

DESCRIPTION Rugged glass package, using a high temperature alloyed construction. This package is hermetically sealed and fatigue free as coefficients of expansion of all used parts are matched. FEATURES • Glass passivated • High maximum operating temperature • Low leakage current • Excellent

Silicon Mesa Rectifiers

FEATURES • Glass passivated junction • Hermetically sealed package • Material categorization: For definitions of compliance please see www.vishay.com/doc?99912 APPLICATIONS • High voltage rectification • Efficiency diode in horizontal deflection circuits

RF POWER TRANSISTOR NPN SILICON

The RF Line NPN Silicon RF Power Transistor Designed primarily for high–voltage applications as a high–power linear amplifier from 2.0 to 30 MHz. Ideal for marine and base station equipment. • Specified 50 Volt, 30 MHz Characteristics Output Power = 250 W Minimum Gain = 12 dB Effic

RF & MICROWAVE TRANSISTORS HF SSB APPLICATIONS

DESCRIPTION The SD1731 is a 50 V epitaxial silicon NPN planar transistor designed primarily for SSB communications. This device utilizes emitter ballasting for improved ruggedness and reliability. ■ OPTIMIZED FOR SSB ■ 30 MHz ■ 50 VOLTS ■ EFFICIENCY 40 ■ COMMON EMITTER ■ GOLD METALLIZATION