Specifications
| Type | Description |
|---|---|
| Part Number | XL-ITR8105 |
| Manufacturer | XINGLIGHT |
| Product Type | SMD LED |
| Category | LED |
| Package / Case | Through-beam slotted optointerrupter package; outline drawing provided in mm with ±0.3 mm tolerance, exact dimensions not present in text |
| Device Composition | Infrared emission diode and NPN silicon phototransistor; packaged side by side on converging optical axis in black thermoplastic shell |
| Peak Wavelength | 940 nm at IF=20 mA, Ta=25°C |
| Cut-off Visible Wavelength | λp=940 nm |
| Input Emitter Power Dissipation | 75 mW absolute maximum rating at Ta=25°C |
| Continuous Forward Current | 50 mA input emitter absolute maximum rating at Ta=25°C |
| Peak Forward Current | 1 A, pulse width ≤100 µs, duty cycle=1%, Ta=25°C |
| Reverse Voltage | 5 V input emitter absolute maximum rating at Ta=25°C |
| Output Detector Power Dissipation | 75 mW absolute maximum rating at Ta=25°C |
| Collector-Emitter Voltage | 30 V output detector absolute maximum rating at Ta=25°C |
| Emitter-Collector Voltage | 5 V output detector absolute maximum rating at Ta=25°C |
| Collector Current | 20 mA output detector absolute maximum rating at Ta=25°C |
| Operating Temperature | -20 to +85°C |
| Storage Temperature | -40 to +85°C |
| Lead Soldering Temperature | 260°C within 5 s, solder point 2 mm from body |
| Forward Voltage | Typ 1.2 V, Max 1.6 V at IF=20 mA, Ta=25°C |
| Forward Voltage, 100 mA Pulse | Typ 1.4 V, Max 1.85 V at IF=100 mA pulse, Ta=25°C |
| Forward Voltage, 1 A Pulse | Typ 2.6 V, Max 4.0 V at IF=1 A pulse, Ta=25°C |
| Reverse Current | Max 10 µA at VR=5 V, Ta=25°C |
| Dark Current | Max 100 nA at Ee=0 mW/cm², VCE=20 V, Ta=25°C |
| Collector-Emitter Saturation Voltage | Max 0.4 V at IC=2 mA, Ee=1 mW/cm², Ta=25°C |
| Rise Time | Typ 15 µs at VCE=5 V, IC=1 mA, RL=1000Ω, Ta=25°C |
| Fall Time | Typ 15 µs at VCE=5 V, IC=1 mA, RL=1000Ω, Ta=25°C |
| Collector Current IC(ON) | Min 8.0 mA, Typ 15 mA at IF=20 mA, VCE=5 V, Ta=25°C |
| Forward Voltage Grading Code R2-4 | Min 1.2 V, Max 1.6 V at IF=20 mA |
| Collector Current Grading Code IC27-39 | Min 8 mA, Max 20 mA at IF=20 mA, VCE=5 V |
| Moisture Sensitivity Level | MSL 2 |
| Compliance | Pb-free, RoHS compliant version |
| Recommended Wave Soldering Peak | 240±5°C for 6 s |
| Manual Soldering Condition | <300°C for ≤3 s per terminal, soldering iron capacity <25 W |
| Datasheet Status | request_only |
Product Overview
The XL-ITR8105 is a XINGLIGHT IR optointerrupter photo switch in the LED category. Its internal structure combines an infrared emission diode with an NPN silicon phototransistor, packaged side by side on a converging optical axis inside a black thermoplastic shell.
Key Features
- Infrared emission diode with NPN silicon phototransistor
- Side-by-side optical elements on converging optical axis
- Black thermoplastic through-beam slotted optointerrupter package
- 940 nm peak wavelength at IF=20 mA
- 50 mA continuous forward current rating
- 1 A peak forward current under pulsed operation
- 30 V collector-emitter voltage absolute maximum
- Typical 15 µs rise and fall times
- MSL 2 moisture sensitivity classification
- Pb-free and RoHS compliant version
Typical Applications
- Slot interruption sensing
- Object presence detection
- Position detection modules
- Encoder and index sensing
- Motion limit detection
- Printer and office equipment sensing
- Mechanical travel detection
Procurement Notes
When requesting a quote for XL-ITR8105, buyers should confirm the manufacturer, package or case, required quantity, target date code, compliance documents, packing method, destination country and expected delivery schedule.
If alternatives are acceptable, buyers should share the approved vendor list, required electrical or optical limits, package constraints and qualification requirements. Any alternative part should be reviewed by the buyer's engineering team before production use.
For LED and optoelectronic sourcing, brightness bin, wavelength or color temperature bin, forward voltage range, viewing angle, moisture sensitivity level and soldering process limits may affect final selection, availability and lead time.
FAQ
What type of device is the XL-ITR8105?
The XL-ITR8105 is an IR optointerrupter photo switch from XINGLIGHT. It combines an infrared emission diode and an NPN silicon phototransistor in a black thermoplastic slotted through-beam package.
What wavelength does the XL-ITR8105 use?
The device has a 940 nm peak wavelength when measured at IF=20 mA and Ta=25°C. The extracted datasheet facts also list λp=940 nm as the cut-off visible wavelength characteristic.
What are the main current and voltage ratings?
Input emitter ratings include 50 mA continuous forward current, 1 A peak forward current under specified pulse conditions, and 5 V reverse voltage. Output detector ratings include 30 V collector-emitter voltage and 20 mA collector current.
What soldering conditions are specified for XL-ITR8105?
The datasheet facts specify 260°C lead soldering within 5 seconds at a solder point 2 mm from the body. Recommended wave soldering is 240±5°C for 6 seconds, and manual soldering is below 300°C for up to 3 seconds per terminal.
Technical Review & Sourcing Note
Prepared by LDeepAI Component Sourcing Team. Reviewed for RFQ, documentation and alternative sourcing use. Last updated: July 3, 2026.
This page is based on manufacturer datasheet information and LDeepAI sourcing review. Specifications should be verified against the official manufacturer datasheet before final procurement or design approval. Final electrical, optical and reliability approval should be confirmed by the buyer's engineering team.



