Product Overview
ASI MJE1093 PNP Darlington Transistor for Complementary Audio Driver and Output Stages
Condition
Condition: unused new old stock (NOS). Markings legible: ASI logo, MJE1093. Sold each.
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Product Overview
Advanced Semiconductor, Inc. (ASI) marks this silicon PNP Darlington MJE1093. It belongs to the MJE1090 through MJE1093 PNP series of plastic medium-power transistors, designed for driver and output stages in complementary audio amplifiers, and is rated 80 V collector to emitter with 70 W dissipation.
Key Features
- Part number: MJE1093, ASI logo on the body
- Type: silicon PNP Darlington
- Collector-emitter breakdown voltage (VCEO): 80 V
- Collector-base breakdown voltage (VCBO): 80 V
- Power dissipation (PD): 70 W
- Flat plastic body with an exposed metal heatsink pad on the back and a mounting hole through the body
- Three through-hole leads
Applications
- Replacing an MJE1093 in the driver or output stage of an amplifier whose parts list calls for it
- Building the negative half of a complementary push-pull stage, paired with an NPN from the MJE1100 series
- High-side load switching from a small drive signal, where Darlington gain keeps the base current low
Frequently Asked Questions
Is the MJE1093 a Darlington?
Yes. It is a PNP Darlington: two transistors connected inside one package, so a small base current controls a much larger collector current.
What is the metal pad on the back for?
It is the thermal contact that sits against the heatsink. A screw through the mounting hole clamps the body down.
How does the MJE1093 differ from the MJE1090?
The MJE1093 is rated 80 V collector to emitter; the MJE1090 is the 60 V member of the same PNP series.
The MJE1093 sits at the top of the PNP MJE1090 line, the member rated for the highest voltage. Match the number on the parts list to the one marked here, then count the board positions that call for it.
