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ws72141e-5

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by Ray

WILLSEMI Will Semicon Operational Amplifier, SOT-23-5L. Datasheet-verified pinout, KiCad symbol/footprint/3D.

componentop-amp-cmpws72141e-5
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README

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WS72141E-5

WILLSEMI Will Semicon · Operational Amplifier · SOT-23-5L

WS72141E-5 from WILLSEMI Will Semicon, in a SOT-23-5L. 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 OUT output Amplifier output. Rail-to-rail output swing to within ~5mV of the supply rails with Rload=100kΩ. Short-circuit current is typically 12mA (15mA max).
2 V- power_in Negative supply rail. Together with V+ must provide 1.6V to 5.5V of total supply (absolute max 6V between V+ and V-). Typically tied to ground for single-supply operation.
3 +IN input Non-inverting input. Rail-to-rail input common-mode range extending (V-)-0.3V to (V+)+0.3V. Very high input impedance (>1TΩ) with <10pA input bias current.
4 -IN input Inverting input. Rail-to-rail input common-mode range extending (V-)-0.3V to (V+)+0.3V. Very high input impedance (>1TΩ) with <10pA input bias current.
5 V+ power_in Positive supply rail. Supply voltage (V+ minus V-) range 1.6V to 5.5V (absolute max 6V). Quiescent current is 300nA typical (450nA max) per amplifier.

Key specifications

Parameter Value
Manufacturer WILLSEMI Will Semicon
Package SOT-23-5L
Category Op-amp/Cmp
Pins 5

Ordering variants

  • WS72141E-5/TR

CAD (KiCad official)

  • Symbol: WS72141E-5
  • Footprint: Package_TO_SOT_SMD:SOT-23-5
  • 3D model: SOT-23-5L (KiCad packages3D, STEP)

Provenance

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

  • Datasheet: WILLSEMI Will Semicon datasheet (None pp, sha256 157d53994f72ed37, 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

Symbol & Footprint

Schematic Symbol

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PCB Footprint

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Datasheet

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