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LTV-4N25
Public Made by Adomby adom
Lite On Transistor, Photovoltaic Output Optoisolators, DIP-6. 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-4N25
Lite On · Transistor, Photovoltaic Output Optoisolators · DIP-6
LTV-4N25 from Lite On, in a DIP-6. 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 is rated 80 mA max, with VF typ. 1.2 V at IF=10mA. |
| 2 | Cathode | passive | Cathode of the input infrared LED; reverse voltage VR is rated 6 V max. |
| 3 | NC | unconnected | No internal connection. |
| 4 | Emitter | passive | Emitter of the output phototransistor; emitter-collector voltage VECO is rated 7 V max. |
| 5 | Collector | passive | Collector of the output phototransistor; VCEO is rated 30 V max and collector current IC 100 mA max. |
| 6 | Base | passive | Base of the output phototransistor; collector-base voltage VCBO is rated 70 V max. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | Lite On |
| Package | DIP-6 |
| Category | Optoisolators |
| Pins | 6 |
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 | 80 | mA | Ta = 25°C | 6 | ||
| Reverse Voltage | VR | 6 | V | Ta = 25°C | 6 | ||
| Power Dissipation | P | 150 | mW | Ta = 25°C | 6 | ||
| Collector-Emitter Voltage | VCEO | 30 | V | Ta = 25°C | 6 | ||
| Emitter-Collector Voltage | VECO | 7 | V | Ta = 25°C | 6 | ||
| Collector-Base Voltage | VCBO | 70 | V | Ta = 25°C | 6 | ||
| Collector Current | IC | 100 | mA | Ta = 25°C | 6 | ||
| Collector Power Dissipation | PC | 150 | mW | Ta = 25°C | 6 | ||
| Total Power Dissipation | Ptot | 250 | mW | Ta = 25°C | 6 | ||
| Isolation Voltage (LTV-4N25 series) | Viso | 2500 | Vrms | AC for 1 minute, R.H. = 40~60% | 6 | ||
| Operating Temperature | Topr | -55 | 100 | °C | Ta = 25°C | 6 | |
| Storage Temperature | Tstg | -55 | 150 | °C | Ta = 25°C | 6 | |
| Soldering Temperature | Tsol | 260 | °C | For 10 Seconds | 6 | ||
| Forward Voltage | VF | 1.2 | 1.5 | V | IF=10mA | 7 | |
| Reverse Current | IR | 10 | µA | VR=4V | 7 | ||
| Collector Dark Current | ICEO | 50 | nA | VCE=10V, IF=0 | 7 | ||
| Collector-Emitter Breakdown Voltage | BVCEO | 30 | V | IC=0.1mA, IF=0 | 7 | ||
| Emitter-Collector Breakdown Voltage | BVECO | 7 | V | IE=10µA, IF=0 | 7 | ||
| Collector-Base Breakdown Voltage | BVCBO | 70 | V | IC=0.1mA, IF=0 | 7 | ||
| Collector Current | IC | 2 | mA | 7 | |||
| Current Transfer Ratio | CTR | 20 | % | IF=10mA, VCE=10V | 7 | ||
| Collector-Emitter Saturation Voltage | VCE(sat) | 0.1 | 0.5 | V | IF=50mA, IC=2mA | 7 |
CAD (KiCad official)
- Symbol:
LTV-4N25 - Footprint:
Package_DIP:DIP-6_W7.62mm - 3D model: DIP-6 (KiCad packages3D, STEP)
- 3D model files:
ltv-4n25-etched.step/ltv-4n25-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);ltv-4n25.step/ltv-4n25.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Lite On datasheet (9 pp, sha256
b6f7c0b2baf5551d, retrieved 2026-10-16, 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).