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APX803S-31SA-7 Breakout
IC SUPERVISOR RESET 3.3V SOT-23-3
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Design a Custom BoardAbout This Component
Microprocessor supervisory circuit that monitors power supply voltage and generates active-low reset signals. Features precision threshold detection for 2.5V, 3.0V, 3.3V, and 5.0V supplies with guaranteed valid reset down to 1V VCC. Provides open-drain reset output with 240ms minimum assertion time and typical 10µA supply current, ideal for portable and battery-powered systems.
Package: SOT-23-3 · 3 pins
Why does this need a breakout?
SOT-23's tiny 0.95mm pin pitch and compact form factor make hand-soldering tedious and prone to bridging errors. A breakout board breaks out the three pins to standard 0.1" spacing for breadboard prototyping, eliminating the need for specialized soldering equipment and enabling fast circuit iteration with transistors, diodes, and small-signal components.
Component specifications
ELECTRICAL CHARACTERISTICS
| Manufacturer | Diodes Incorporated |
| Part Number | APX803S-31SA-7 |
| Package | SOT-23-3 |
| Pin Count | 3 |
| Number of Voltages Monitored | 1 |
| Output | Open Drain or Open Collector |
| Reset | Active Low |
| Type | Simple Reset/Power-On Reset |
| Voltage - Threshold | 3.08V |
What's Included
BILL OF MATERIALS
- 1x APX803S-31SA-7 soldered onto breakout PCB
- Pin headers pre-soldered (2.54mm / 0.1" pitch)
- All IC pins broken out to 2.54mm headers
Breakout Board Design
PCB SPECIFICATIONS
WIDTH
< 0.9" (straddles breadboard)
PITCH
2.54mm standard
SOLDER
Lead-free, reflow assembled
FINISH
FR4, lead-free HASL