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JY1103-H250BX

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Shenzhen JingYang Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, SOT23-5L. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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JY1103-H250BX

Shenzhen JingYang · Voltage Regulators - Linear, Low Drop Out (LDO) Regulators · SOT23-5L

JY1103-H250BX from Shenzhen JingYang, in a SOT23-5L. Pinout and pin descriptions extracted from the manufacturer datasheet (extract_pins, cross-checked by a second model); symbol, footprint, and 3D from KiCad-official CAD.

Pinout

Pin Name Type Function
1 VIN power_in Voltage input; operating voltage range is 1.6V to 6.0V.
2 GND power_in Power ground (VSS).
3 EN input Chip enable for the On/Off circuit; pulling EN to VSS turns the output off and discharges the output capacitor through the internal switch.
4 NC unconnected Pin 4 is drawn on the SOT23-5L package but has no entry in the pin table, so no function is stated.
5 VOUT power_out Regulated output; 2.50V for this MPN (code 250), maximum output current 300mA with 300mA over-current limit, 1uF ceramic output capacitor.

Key specifications

Parameter Value
Manufacturer Shenzhen JingYang
Package SOT23-5L
Category Power Management (PMIC)
Pins 5

CAD (KiCad official)

  • Symbol: JY1103-H250BX
  • Footprint: Package_TO_SOT_SMD:SOT-23-5
  • 3D model: SOT23-5L (KiCad packages3D, STEP)
  • 3D model files: jy1103-h250bx-etched.step / jy1103-h250bx-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); jy1103-h250bx.step / jy1103-h250bx.glb are the bare package body.

Provenance

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

  • Datasheet: Shenzhen JingYang datasheet (22 pp, sha256 080b8e6522f8898f, retrieved 2026-10-18, tier: lcsc)
  • Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-sonnet-5-5 (vision), consensus claude-opus-5-5 (agreed), guards: pin_guards 0.1: passed. Pins are checked against the footprint pad set and their cited datasheet pages before publish.
  • CAD: KiCad official libraries (CC-BY-SA 4.0).

Datasheet PDF