component
SFH615A-3XSMT&R
Public Made by Adomby adom
Isocom Components Transistor, Photovoltaic Output Optoisolators, SOP-4-2.54mm. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
3D Model
Open in new tab ↗
Loads when you scroll to it. Unloads after 5 minutes in the background.
Symbol & Footprint
Schematic Symbol
Open full view ↗Loads when you scroll to it. Unloads after 5 minutes in the background.
PCB Footprint
Open full view ↗Loads when you scroll to it. Unloads after 5 minutes in the background.
Datasheet
Open in new tab ↗Loads when you scroll to it. Unloads after 5 minutes in the background.
README
markdownSFH615A-3XSMT&R
Isocom Components · Transistor, Photovoltaic Output Optoisolators · SOP-4-2.54mm
SFH615A-3XSMT&R from Isocom Components, 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 | Anode of the input infrared LED; absolute maximum forward current is 50mA and reverse voltage is 6V. |
| 2 | Cathode | passive | Cathode of the input infrared LED, the return path for the input forward current. |
| 3 | Emitter | passive | Emitter of the NPN silicon phototransistor output; emitter-to-collector voltage VECO is rated 6V maximum. |
| 4 | Collector | passive | Collector of the NPN silicon phototransistor output; collector-to-emitter voltage VCEO is rated 70V, collector current 50mA maximum. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | Isocom Components |
| 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 |
|---|---|---|---|---|---|---|---|
| Input forward current | IF | 50 | mA | 1 | |||
| Input reverse voltage | VR | 6 | V | 1 | |||
| Input power dissipation | 70 | mW | 1 | ||||
| Collector to emitter voltage | VCEO | 70 | V | 1 | |||
| Emitter to collector voltage | VECO | 6 | V | 1 | |||
| Collector current | IC | 50 | mA | 1 | |||
| Output power dissipation | 150 | mW | 1 | ||||
| Isolation voltage (total package) | 5300 | VRMS | 1 | ||||
| Total power dissipation | 200 | mW | 1 | ||||
| Operating temperature | -55 | 110 | °C | 1 | |||
| Storage temperature | -55 | 125 | °C | 1 | |||
| Lead soldering temperature | 260 | °C | 10s | 1 | |||
| Collector-emitter breakdown voltage | BVCEO | 70 | V | IC = 0.1mA, IF = 0mA | 2 | ||
| Emitter-collector breakdown voltage | BVECO | 6 | V | IE = 10µA, IF = 0mA | 2 | ||
| Collector-emitter dark current | ICEO | 100 | nA | VCE = 20V, IF = 0mA | 2 | ||
| Reverse leakage current | IR | 10 | µA | VR = 4V | 2 | ||
| Forward voltage | VF | 1.2 | 1.4 | V | IF = 20mA | 2 | |
| Terminal capacitance | Ct | 30 | 250 | pF | V = 0V, f = 1KHz | 2 | |
| Current transfer ratio (SFH615A-3) | CTR | 100 | 200 | % | IF = 10mA, VCE = 5V | 3 | |
| Current transfer ratio (SFH615A-3) | CTR | 34 | % | IF = 1mA, VCE = 5V | 3 | ||
| Collector-emitter saturation voltage | VCE(sat) | 0.1 | 0.2 | V | IF = 20mA, IC = 1mA | 3 | |
| Floating capacitance | Cf | 0.6 | 1 | pF | V = 0V, f = 1MHz | 3 | |
| Input to output isolation voltage | VISO | 5300 | VRMS | AC 1 minute, RH = 40% to 60% | 4 |
CAD (KiCad official)
- Symbol:
SFH615A-3XSMT&R - Footprint:
Package_SO:SOP-4_3.8x4.1mm_P2.54mm - 3D model: SOP-4-2.54mm (KiCad packages3D, STEP)
- 3D model files:
sfh615a-3xsmt-r-etched.step/sfh615a-3xsmt-r-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);sfh615a-3xsmt-r.step/sfh615a-3xsmt-r.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Isocom Components datasheet (12 pp, sha256
3da2a07d37b9b89e, retrieved 2026-10-16, tier: lcsc) - Extractor: parts-factory
2.0.0/extract_pins 0.3, primaryclaude-haiku-5-5(text), consensusclaude-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).