component
LTV-852
Public Made by Adomby adom
Lite On Transistor, Photovoltaic Output Optoisolators, DIP-4. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
3D Model
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Symbol & Footprint
Schematic Symbol
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PCB Footprint
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Datasheet
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README
markdownLTV-852
Lite On · Transistor, Photovoltaic Output Optoisolators · DIP-4
LTV-852 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 | input | Anode of the input LED; forward current IF max 50 mA, reverse voltage VR max 6 V. |
| 2 | Cathode | input | Cathode of the input LED, return path for the forward current (IF max 50 mA). |
| 3 | Emitter | passive | Emitter of the output Darlington phototransistor; emitter-collector voltage VECO max 0.1 V. |
| 4 | Collector | passive | Collector of the output Darlington phototransistor; VCEO max 300 V, collector current IC max 150 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 Voltage | VF | 1.2 | 1.4 | V | IF=10mA | 10 | |
| Reverse Current | IR | 10 | A | VR=4V | 10 | ||
| Terminal Capacitance | Ct | 30 | 250 | pF | V=0, f=1KHz | 10 | |
| Collector Dark Current | ICEO | 200 | nA | VCE=200V, IF=0 | 10 | ||
| Collector-Emitter Breakdown Voltage | BVCEO | 300 | V | IC=0.1mA, IF=0 | 10 | ||
| Emitter-Collector Breakdown Voltage | BVECO | 0.1 | V | IE=10A, IF=0 | 10 | ||
| Collector Current | IC | 10 | 40 | 150 | mA | IF=1mA, VCE=2V *1 | 10 |
| Current Transfer Ratio | CTR | 1000 | 4000 | 15000 | % | VCE=2V *1 | 10 |
| Collector-Emitter Saturation Voltage | VCE(sat) | 1.2 | V | IF=20mA, IC=100mA | 10 | ||
| Floating Capacitance | Cf | 0.6 | 1 | pF | V=0, f=1MHz | 10 | |
| Cut-Off Frequency | fc | 1 | 7 | kHz | VCE=2V, IC=20mA, RL=100, -3dB | 10 | |
| Response Time (Rise) | tr | 100 | 300 | s | VCC=2V, IC=20mA, RL=100 | 10 | |
| Response Time (Fall) | tf | 20 | 100 | s | VCC=2V, IC=20mA, RL=100 | 10 | |
| Forward Current | IF | 50 | mA | Ta=25C | 9 | ||
| Reverse Voltage | VR | 6 | V | Ta=25C | 9 | ||
| Input Power Dissipation | P | 70 | mW | Ta=25C | 9 | ||
| Collector-Emitter Voltage | VCEO | 300 | V | Ta=25C | 9 | ||
| Emitter-Collector Voltage | VECO | 0.1 | V | Ta=25C | 9 | ||
| Collector Current | IC | 150 | mA | Ta=25C | 9 | ||
| Collector Power Dissipation | PC | 150 | mW | Ta=25C | 9 | ||
| Total Power Dissipation | Ptot | 200 | mW | Ta=25C | 9 | ||
| Isolation Voltage | Viso | 5000 | Vrms | AC for 1 minute, R.H. = 40 ~ 60% | 9 | ||
| Operating Temperature | Topr | -30 | 100 | C | 9 | ||
| Storage Temperature | Tstg | -55 | 125 | C | 9 | ||
| Soldering Temperature | Tsol | 260 | C | For 10 seconds | 9 |
CAD (KiCad official)
- Symbol:
LTV-852 - Footprint:
Package_DIP:DIP-4_W7.62mm - 3D model: DIP-4 (KiCad packages3D, STEP)
- 3D model files:
ltv-852-etched.step/ltv-852-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);ltv-852.step/ltv-852.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Lite On datasheet (13 pp, sha256
bcce173b594514f7, retrieved 2026-10-15, tier: lcsc) - Extractor: parts-factory
2.0.0/extract_pins 0.3, primaryclaude-sonnet-5-5(text+vision), consensusclaude-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).