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Contents

README

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LTV-1009

UMW · Transistor, Photovoltaic Output Optoisolators · SOP-4-2.54mm

LTV-1009 from UMW, in a SOP-4-2.54mm. 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 Anode input LED anode, rated for forward current up to 60 mA DC and peak forward current up to 1 A (100 µs pulse, 100 Hz).
2 Cathode input LED cathode, with reverse voltage rated up to 6 V.
3 Emitter output Phototransistor emitter, with emitter-collector voltage rated up to 7 V.
4 Collector output Phototransistor collector, with collector-emitter voltage rated up to 80 V and collector current up to 50 mA.

Key specifications

Parameter Value
Manufacturer UMW
Package SOP-4-2.54mm
Category Optoisolators
Pins 4

Electrical characteristics

Limits as printed in the datasheet (page.json metadata.characteristics carries them as data).

Parameter Symbol Min Typ Max Unit Conditions Page
Current Transfer Ratio CTR 200 400 % IF=5mA, VCE=5V 3
Collector-emitter Breakdown Voltage BVCEO 80 V IC=0.1mA, IF=0 3
Emitter-collector Breakdown Voltage BVECO 7 V IE=0.1mA, IF=0 3
Forward Current IF 60 mA 2
Peak Forward Current IFP 1 A 100μs pulse, 100Hz frequency 2
Reverse Voltage VR 6 V 2
Power Dissipation PI 100 mW 2
Collector - Emitter Voltage VCEO 80 V 2
Emitter -Collector Voltage VECO 7 V 2
Collector Current IC 50 mA 2
Output Power Dissipation PO 150 mW 2
Total Power Dissipation PTOT 250 mW 2
Isolation Voltage VISO 5000 Vrms AC For 1 Minute, R.H. = 40 ~ 60% 2
Operating Temperature TOPR -55 110 °C 2
Storage Temperature TSTG -55 125 °C 2
Soldering Temperature TSOL 260 °C 2

CAD (KiCad official)

  • Symbol: LTV-1009
  • Footprint: Package_SO:SOP-4_3.8x4.1mm_P2.54mm
  • 3D model: SOP-4-2.54mm (KiCad packages3D, STEP)
  • 3D model files: ltv-1009-etched.step / ltv-1009-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); ltv-1009.step / ltv-1009.glb are the bare package body.

Provenance

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

  • Datasheet: UMW datasheet (12 pp, sha256 215e11362519a1de, retrieved 2026-10-26, tier: lcsc)
  • Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-haiku-5-5 (text), consensus claude-sonnet-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