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ELM611

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by Ray

Everlight Elec Logic Output Optoisolators, SOIC-5-175mil. Datasheet-verified pinout, KiCad symbol/footprint/3D.

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3D Model

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Symbol & Footprint

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Datasheet

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Contents

README

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ELM611

Everlight Elec · Logic Output Optoisolators · SOIC-5-175mil

ELM611 from Everlight Elec, in a SOIC-5-175mil. 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 Anode input Anode of the input infrared LED. Forward current IF up to 50 mA max; typical VF = 1.45 V at IF = 10 mA. Drive with current-limited source to activate the coupler.
3 Cathode input Cathode of the input infrared LED. Return path for LED forward current. Reverse voltage VR limited to 5 V (device not designed for reverse operation).
4 Gnd power_in Output-side ground reference for the internal photodetector logic gate and VCC bypass.
5 Vout output Logic gate output from the integrated photodetector. Inverted with respect to input (H input -> L output). Max output voltage 7.0 V; VOL typ 0.4 V at IOL = 5 mA; propagation delays typ ~41-50 ns.
6 VCC power_in Output-side supply voltage, max 7.0 V (typ 5 V operation). Requires 0.1 uF bypass capacitor to GND. Typical supply current ICCH = 6.0 mA / ICCL = 7.5 mA at VCC = 5.5 V.

Key specifications

Parameter Value
Manufacturer Everlight Elec
Package SOIC-5-175mil
Category Optoisolators
Pins 5

Ordering variants

Same part, different packaging or reel option.

  • ELM611(TA)-V
  • ELM611(TB)-V
  • ELM611-V
  • ELM611(TA)
  • ELM611(TB)
  • ELM611

CAD (KiCad official)

  • Symbol: ELM611
  • Footprint: Package_SO:SOIC-5-6_4.4x3.6mm_P1.27mm
  • 3D model: SOIC-5-175mil (KiCad packages3D, STEP)

Provenance

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

  • Datasheet: Everlight Elec datasheet (16 pp, sha256 24dae044c60f40e4, 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