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SE8736X1-HF

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by Ray

Seaward Elec Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, SOT-23-3L. Datasheet-verified pinout, KiCad symbol/footprint/3D.

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Contents

README

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SE8736X1-HF

Seaward Elec · Voltage Regulators - Linear, Low Drop Out (LDO) Regulators · SOT-23-3L

SE8736X1-HF from Seaward Elec, in a SOT-23-3L. 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 Device ground return. Connect to the system ground plane; place the input capacitor return as close as possible to this pin. Pin-order for SE87xx X 1 (blank suffix) parts is G-I-O, so GND is pin 1 on the SOT23-3.
2 VIN power_in Unregulated supply input, 4.5V to 40V operating range (45V absolute maximum). A ≥10μF input capacitor (electrolytic or MLCC with ~2Ω series R for live-plug applications) is required close to this pin to prevent input spikes.
3 VOUT power_out Regulated 3.6V (SE8736) output, ±1% initial accuracy, 100mA typical / 150-200mA output current capability, with 350mA typical current limit. Requires a ≥1μF (10μF recommended) MLCC output capacitor for stability; stable at no load.

Key specifications

Parameter Value
Manufacturer Seaward Elec
Package SOT-23-3L
Category PMIC
Pins 3

Ordering variants

Same part, different packaging or reel option.

  • SE8736X1-HF
  • SE8736K1-HF
  • SE8736K1B-HF
  • SE8736L1-HF

CAD (KiCad official)

  • Symbol: SE8736X1-HF
  • Footprint: Package_TO_SOT_SMD:SOT-23-3
  • 3D model: SOT-23-3L (KiCad packages3D, STEP)

Provenance

Data extracted from the manufacturer datasheet, not a distributor listing:

  • Datasheet: Seaward Elec datasheet (10 pp, sha256 6612261d7f59be5c, 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