component
CYPS2501-1（K-TP2）
Public Made by Adomby adom
OCIC Optocouplers - Phototransistor Output, SOP-4-2.54mm. 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
markdownCYPS2501-1（K-TP2）
OCIC · Optocouplers - Phototransistor Output · SOP-4-2.54mm
CYPS2501-1（K-TP2） from OCIC, 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 | passive | LED anode input; forward current IF max 50 mA, VF 1.2 V typ to 1.4 V max at IF=10 mA, reverse voltage max 6 V. |
| 2 | Cathode | passive | LED cathode input, return for the input diode; reverse voltage VR max 6 V. |
| 3 | Emitter | passive | Phototransistor emitter output; VECO max 7 V. |
| 4 | Collector | passive | Phototransistor collector output; VCEO max 80 V, IC max 50 mA. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | OCIC |
| Package | SOP-4-2.54mm |
| Category | Optocoupler/LED/Digital Tube/Photoelectric Device |
| 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 (rank K) | CTR | 300 | 600 | % | IF=5mA, VCE=5V, Ta=25°C | 2 | |
| Reverse current | IR | 5 | µA | VR=5V | 2 | ||
| Forward voltage | VF | 1.2 | 1.4 | V | IF=10mA | 2 | |
| Collector dark current | ICEO | 100 | nA | VCE=80V | 2 | ||
| Collector-emitter breakdown voltage | BVCEO | 80 | V | IC=0.1mA, IF=0 | 2 | ||
| Emitter-collector breakdown voltage | BVECO | 7 | V | IE=10µA, IF=0 | 2 | ||
| Collector-emitter saturation voltage | VCE(sat) | 0.4 | V | IF=1mA, IC=1mA | 2 | ||
| Isolation capacitance | Cf | 0.6 | 1 | pF | V=0, f=1MHz | 2 | |
| Terminal capacitance | Ct | 30 | 250 | pF | V=0, f=1kHz | 2 | |
| Rise time | Tr | 4 | 18 | µs | VCE=10V, IC=2mA, RL=100Ω | 2 | |
| Fall time | Tf | 3 | 18 | µs | VCE=10V, IC=2mA, RL=100Ω | 2 | |
| Cut-off frequency | Fc | 80 | kHz | VCE=5V, IC=2mA, RL=100Ω, -3dB | 2 | ||
| Forward current | IF | 50 | mA | Ta=25C | 1 | ||
| Reverse voltage | VR | 6 | V | Ta=25C | 1 | ||
| Input power dissipation | P | 70 | mW | Ta=25C | 1 | ||
| Collector power dissipation | PC | 150 | mW | Ta=25C | 1 | ||
| Collector current | IC | 50 | mA | Ta=25C | 1 | ||
| Collector-emitter voltage | VCEO | 80 | V | Ta=25C | 1 | ||
| Emitter-collector voltage | VECO | 7 | V | Ta=25C | 1 | ||
| Total power dissipation | Ptot | 200 | mW | Ta=25C | 1 | ||
| Isolation voltage | Viso | 5000 | Vrms | Ta=25C | 1 | ||
| Operating temperature | Topr | -55 | 110 | °C | 1 | ||
| Storage temperature | Tstg | -55 | 125 | °C | 1 | ||
| Soldering temperature | Tsol | 260 | °C | Ta=25C | 1 |
CAD (KiCad official)
- Symbol:
CYPS2501-1（K-TP2） - Footprint:
Package_SO:SOP-4_3.8x4.1mm_P2.54mm - 3D model: SOP-4-2.54mm (KiCad packages3D, STEP)
- 3D model files:
cyps2501-1-k-tp2-etched.step/cyps2501-1-k-tp2-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);cyps2501-1-k-tp2.step/cyps2501-1-k-tp2.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: OCIC datasheet (9 pp, sha256
53c593c87f7bffc0, retrieved 2026-10-22, tier: lcsc) - Datasheet language: Chinese. Pin names, descriptions, and specs on this page were extracted and translated to English by ds2sf; the linked PDF is the manufacturer original.
- 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).