Active supervisor with a 2.63V threshold and 140ms timeout
The reset output is active-low, push-pull, and holds the system in reset for a minimum of 140ms after the supply rises above the threshold.
RoHS non-compliant — plan accordingly
However, it is marked as RoHS non-compliant. This is a critical flag for any BOM that must meet RoHS directives — lead-free assembly lines, EU-market products, or designs with explicit environmental compliance requirements. If your project is RoHS-bound, this part is not a fit without an exemption or a waiver. The active status means there is no immediate end-of-life pressure, but the RoHS gap is the primary sourcing constraint.
SC-70-4 footprint — small, but watch the rework
The part comes in a SC-82A / SOT-343 package, with the supplier device package listed as SC-70-4. That is a four-pin, surface-mount package with a fine pitch — roughly 0.65 mm lead pitch. The body is small, so it takes up minimal board space, but it is also thermally light. Under a hot-air station, the part heats up fast; you will want a low airflow setting and a preheat around 100°C to avoid lifting the pads. The orientation mark is on pin 1 — a small dot or chamfer — so confirm it under magnification before placement. No external components are required for basic operation; the supervisor is self-contained with the internal timeout and threshold reference.