EDN

Audio bipolar transistors achieve industry’s highest voltage

Targeting the high power demands of high-end and professional audio applications, the MJL4281A (npn) and MJL4302A (pnp) audio bipolar transistors offer a sustained collector-to-emitter voltage of 350 ...
Electronic Design

Audio Transistors Handle 350V Collector To Emitter

Emerging as the industry's highest voltage bipolar transistors designed for audio amplifier output stages, the MJL4281A (NPN) and MJL4302A (PNP) 15A, 230W power transistors specify a sustained ...
EDN

To bias or not bias: New audio output transistors make that decision easy

ThermalTrak integrates power output transistors with thermal bias diode. One of the major design concerns in the output section of a typical class AB audio amplifier is output bias and stability over ...
Electronic Design

Test Setup Checks Transistors’ hFEs When Tight Control Is Important

This file type includes high resolution graphics and schematics. The spread of h FE values in a batch of transistors may be wide enough to cause unreliable performance during mass production of a ...