U643 Overview
The bipolar integrated circuit U643B is used in relaycontrolled automotive flashers where a high-level EMC is required. Lamp outage is indicated by frequency doubling during hazard warning as well as direction mode.
U643 Datasheet Details
| Part number | U643 |
|---|---|
| Datasheet | U643_ATMELCorporation.pdf |
| File Size | 57.77 KB |
| Manufacturer | Atmel (now Microchip Technology) |
| Description | Flasher/ 30-mohm Shunt |
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