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Contents

README

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RDC501051A

ALPSALPINE · Position Sensors · DIP-4

RDC501051A from ALPSALPINE, in a DIP-4. 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 1T passive Resistive element terminal 1 (end terminal). One end of the 10 kΩ resistive track; forms one leg of the voltage divider with terminal 3T.
2 2T passive Wiper terminal. Movable contact along the 10 kΩ resistive element; output tap that provides the position-dependent voltage (100%/333.3° reference taper, index at 50% output).
3 3T passive Resistive element terminal 3 (opposite end terminal). Other end of the 10 kΩ resistive track; forms the second leg of the voltage divider with terminal 1T. Rated 5 V DC across 1T-3T.

Key specifications

Parameter Value
Manufacturer ALPSALPINE
Package DIP-4
Category Sensors
Pins 3

Ordering variants

Same part, different packaging or reel option.

  • RDC501051A

CAD (KiCad official)

  • Symbol: RDC501051A
  • Footprint: Package_DIP:DIP-4_W7.62mm
  • 3D model: DIP-4 (KiCad packages3D, STEP)

Provenance

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

  • Datasheet: ALPSALPINE datasheet (4 pp, sha256 b36c9fca6de0e460, 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