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JY809ES3-SX
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Shenzhen JingYang Supervisor and Reset ICs, SOT-23. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.
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README.mdadded+45@@ -0,0 +1,45 @@+# JY809ES3-SX++**Shenzhen JingYang** · Supervisor and Reset ICs · SOT-23++JY809ES3-SX from Shenzhen JingYang, in a SOT-23. Pinout and pin descriptions extracted from the manufacturer datasheet by ds2sf; symbol, footprint, and 3D from KiCad-official CAD.++## Pinout++| Pin | Name | Type | Function |+|---|---|---|---|+| 1 | GND | power_in | Ground reference for the supervisor. |+| 2 | RESET | output | Active-low reset output (open with internal drive). Remains low while VCC is below the factory reset threshold and for 250ms (typ., 140ms min.) after VCC rises above the threshold. Guaranteed valid for VCC >= 1.1V; a 100kΩ pull-down is recommended if logic must be defined below 1.1V. VOL <= 0.1V (R/S/T, ISINK=1.2mA) / 0.2V (L/M/J, ISINK=3.2mA); VOH >= 0.9*VCC (R/S/T) / VCC-1.5 (L/M/J). |+| 3 | VCC | power_in | Supply voltage. Operating range 1.1V (TA=0..70°C) or 1.2V (TA=-40..105°C) up to 5.5V. Absolute max -0.3V to 6.0V. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | Shenzhen JingYang |+| Package | SOT-23 |+| Category | PMIC |+| Pins | 3 |++## Ordering variants++- `JY809ES3-SXES3-R`+- `JY809ES3-SXES3-S`+- `JY809ES3-SXES3-T`+- `JY809ES3-SXES3-M`++## CAD (KiCad official)++- Symbol: `JY809ES3-SX`+- Footprint: `Package_TO_SOT_SMD:SOT-23`+- 3D model: SOT-23 (KiCad packages3D, STEP)++## Provenance++Data extracted from the manufacturer datasheet, not a distributor listing:++- **Datasheet:** [Shenzhen JingYang datasheet](docs/jy809es3-sx-datasheet.pdf) (5 pp, sha256 `1826e8500c36d006`, retrieved 2026-08-17, tier: lcsc)+- **Extractor:** `ds2sf` (Claude). Every pin and dimension is cited to a datasheet page; it refuses to fabricate.+- **CAD:** KiCad official libraries (CC-BY-SA 4.0).++[Datasheet PDF](docs/jy809es3-sx-datasheet.pdf)
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