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Contents

README

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LTV-817-A

Lite On · Transistor, Photovoltaic Output Optoisolators · DIP-4

LTV-817-A from Lite On, in a DIP-4. 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 passive Anode of the input infrared LED; forward current IF max 50 mA, reverse voltage VR max 6 V.
2 Cathode passive Cathode of the input infrared LED, return for the forward current (IF max 50 mA).
3 Emitter passive Emitter of the output phototransistor; VECO max 6 V relative to the collector.
4 Collector passive Collector of the output phototransistor; VCEO max 35 V and collector current IC max 50 mA.

Key specifications

Parameter Value
Manufacturer Lite On
Package DIP-4
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
Forward Current IF 50 mA Ta = 25°C 9
Reverse Voltage VR 6 V Ta = 25°C 9
Power Dissipation P 70 mW Ta = 25°C 9
Collector-Emitter Voltage VCEO 35 V Ta = 25°C 9
Emitter-Collector Voltage VECO 6 V Ta = 25°C 9
Collector Current IC 50 mA Ta = 25°C 9
Collector Power Dissipation PC 150 mW Ta = 25°C 9
Total Power Dissipation Ptot 200 mW Ta = 25°C 9
Isolation Voltage Viso 5000 Vrms AC For 1 Minute, R.H. = 40 ~ 60% 9
Operating Temperature (LTV-817) Topr -30 110 °C 9
Storage Temperature Tstg -55 125 °C 9
Soldering Temperature Tsol 260 °C For 10 Seconds 9
Forward Voltage VF 1.2 1.4 V IF=20mA 10
Reverse Current IR 10 µA VR=4V 10
Terminal Capacitance Ct 30 250 pF V=0, f=1KHz 10
Collector Dark Current ICEO 100 nA VCE=20V, IF=0 10
Collector-Emitter Breakdown Voltage BVCEO 35 V IC=0.1mA, IF=0 10
Emitter-Collector Breakdown Voltage BVECO 6 V IE=10µA, IF=0 10
Collector Current IC 2.5 30 mA 10
Current Transfer Ratio (rank A, 80~160%) CTR 80 160 % IF=5mA, VCE=5V, Ta=25°C 11
Collector-Emitter Saturation Voltage VCE(sat) 0.1 0.2 V IF=20mA, IC=1mA 10
Floating Capacitance Cf 0.6 1 pF V=0, f=1MHz 10
Response Time (Rise) tr 4 18 µs VCE=2V, IC=2mA, RL=100Ω 10
Response Time (Fall) tf 3 18 µs VCE=2V, IC=2mA, RL=100Ω 10
Cut-Off Frequency fc 80 kHz VCE=5V, IC=2mA, RL=100Ω, -3dB 10

CAD (KiCad official)

  • Symbol: LTV-817-A
  • Footprint: Package_DIP:DIP-4_W7.62mm
  • 3D model: DIP-4 (KiCad packages3D, STEP)
  • 3D model files: ltv-817-a-etched.step / ltv-817-a-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); ltv-817-a.step / ltv-817-a.glb are the bare package body.

Provenance

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

  • Datasheet: Lite On datasheet (15 pp, sha256 616ee1f8582185fc, retrieved 2026-10-18, tier: lcsc)
  • Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-sonnet-5-5 (text+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