The SOT-23-5 package keeps board area small and suits reflow assembly alongside other surface-mount passives. No special thermal management is needed at this power level; the part's own quiescent draw is negligible in the system power budget.
Maxim DS1819AR-10+T&R Simple Reset/Power-On Reset
MPNDS1819AR-10+T&R
End of Life
Maxim Integrated DS1819AR-10+T&R, MicroMonitor™ series, Simple Reset/Power-On Reset IC, Active Low, Push-Pull Output, 2.925V Threshold, 140ms Reset Timeout, SOT-23-5, -40°C to 85°C.
$5.97Ref. price · indicative, final on quote
PackagingSC-74A, SOT-753
RoHSROHS3 Compliant
SeriesMicroMonitor™
Independent supplier — new & surplus stockAuthenticity-screened · ESD-safe packingListing updated Aug 2026
Specifications
| Parameter | Value |
|---|---|
| Type | Simple Reset/Power-On Reset |
| Series | MicroMonitor™ |
| Mounting | Surface Mount |
| Voltage - threshold | 2.925V |
| Number of voltages monitored | 1 |
| Operating temperature | -40°C ~ 85°C (TA) |
| Reset | Active Low |
| Output | Push-Pull, Totem Pole |
| Package | Tape & Reel (TR); Cut Tape (CT) |
| Reset timeout | 140ms Minimum |
| Case | SC-74A, SOT-753 |
Product details
Frequently asked questions
Is DS1819AR-10+T&R compatible with 3.3V systems?
Yes — the 2.925V threshold is specifically chosen to monitor a 3.3V rail, asserting reset before the supply drops below the valid logic operating range.
What is the difference between DS1819AR-10 and DS1819AR-10+T&R?
The +T&R suffix indicates Tape & Reel packaging for automated assembly. The DS1819AR-10 base part is the same silicon; the T&R variant is the reeled version for SMT production lines.
What is the closest pin-compatible alternative to DS1819AR-10+T&R?
Within the MicroMonitor series, parts with the same SOT-23-5 footprint and active-low push-pull output but different threshold voltages (e.g., DS1819AR-5 at 4.625V for 5V rails) are pin-compatible. For the same 2.925V threshold, the DS1819AR-10 without the T&R suffix is electrically identical.