Specifications
| Type | Description |
|---|---|
| Part Number | XL-PD638C |
| Manufacturer | XINGLIGHT |
| Product Type | SMD LED |
| Category | LED |
| Component Type | Sensor |
| Package / Case | Through-hole infrared receiver diode, 7.6 x 5.25 x 2.75 mm |
| Outline Dimensions | 7.6 x 5.25 x 2.75 mm; L/W/H |
| Optical Function | Infrared receiver tube; transparent colloid |
| RoHS Compliance | Compliant; environmental protection products complied with RoHS directive |
| Moisture Sensitivity Level | MSL 3; moisture sensitivity level |
| Standard Packaging | EIA standard packaging; manufacturer packaging statement |
| Power Dissipation | 150 mW max; maximum rating |
| Reverse Voltage | 32 V max; maximum rating |
| Operating Ambient Temperature | -40°C to +85°C; Topr |
| Storage Ambient Temperature | -40°C to +85°C; Tstg |
| Soldering Condition | 260°C max, <=6 s; Tsol |
| Open-Circuit Voltage | 0.35 V typ; λP=940 nm, Ee=5 mW/cm², Ta=25°C |
| Short-Circuit Current | 18 µA typ; λP=940 nm, Ee=1 mW/cm², Ta=25°C |
| Reverse Light Current | 15 µA min, 25 µA typ; VR=5 V, λP=940 nm, Ee=1 mW/cm², Ta=25°C |
| Reverse Dark Current | 5 nA typ, 30 nA max; VR=10 V, Ee=0 mW/cm², Ta=25°C |
| Rise Time | 50 µs typ; VR=10 V, RL=1000 Ω, Ta=25°C |
| Fall Time | 50 µs typ; VR=10 V, RL=1000 Ω, Ta=25°C |
| Reverse Breakdown Voltage | 32 V min, 170 V typ; IR=100 µA, Ee=0 mW/cm², Ta=25°C |
| Total Capacitance | 25 pF typ; VR=5 V, f=1 MHz, Ee=0 mW/cm², Ta=25°C |
| Spectral Bandwidth Range | 400 nm min, 1100 nm max; λ0.5, Ta=25°C |
| Peak Sensitivity Wavelength | 940 nm typ; λP, Ta=25°C |
| Reverse Light Current Bin 1 | 10.2 to 16.5 µA; IL, VR=5 V, Ee=1 mW/cm², λP=940 nm |
| Reverse Light Current Bin 2 | 13.5 to 22.0 µA; IL, VR=5 V, Ee=1 mW/cm², λP=940 nm |
| Reverse Light Current Bin 3 | 18.0 to 27.5 µA; IL, VR=5 V, Ee=1 mW/cm², λP=940 nm |
| Reverse Light Current Bin 4 | 22.5 to 33.0 µA; IL, VR=5 V, Ee=1 mW/cm², λP=940 nm |
| Dimensional Tolerance | ±0.30 mm; unless otherwise specified |
| Packaging Type | Moisture-proof and anti-electrostatic foil bag; packaging specification |
| Recommended Maximum Wave Soldering Temperature | 240°C for 6 s; recommended product maximum welding temperature |
| Manual Soldering Iron Temperature | <300°C for <=3 s; soldering iron capacity less than 25 W, each terminal |
| Storage Condition | Temperature <=30°C, relative humidity <=70%; recommended storage environment |
| Recommended Original Package Storage Duration | No more than 3 months; original box storage |
| Datasheet Status | request_only |
Product Overview
The XINGLIGHT XL-PD638C is an infrared receiver photodiode in the LED category. Its package is a through-hole infrared receiver diode with 7.6 x 5.25 x 2.75 mm outline dimensions and ±0.30 mm dimensional tolerance unless otherwise specified. The optical function is listed as an infrared receiver tube using transparent colloid.
Electrical limits include 150 mW maximum power dissipation and 32 V maximum reverse voltage. At 25°C, the device has a 940 nm typical peak sensitivity wavelength, a 400 nm to 1100 nm spectral bandwidth range, 25 pF typical total capacitance, and 5 nA typical reverse dark current with 30 nA maximum under dark reverse-bias conditions.
Assembly and handling data include MSL 3 moisture sensitivity level, EIA standard packaging, moisture-proof and anti-electrostatic foil bag packaging, and RoHS compliance. Soldering limits include 260°C maximum for no more than 6 s, a recommended wave soldering maximum of 240°C for 6 s, and manual soldering below 300°C for no more than 3 s per terminal with an iron under 25 W.
Key Features
- Infrared receiver photodiode in through-hole diode package
- 7.6 x 5.25 x 2.75 mm outline dimensions
- Transparent colloid infrared receiver tube construction
- 940 nm typical peak sensitivity wavelength
- 400 nm to 1100 nm spectral bandwidth range
- 50 µs typical rise and fall times
- 25 pF typical total capacitance at 1 MHz
- 32 V maximum reverse voltage rating
- -40°C to +85°C operating ambient temperature
- MSL 3 moisture sensitivity level
- RoHS-compliant environmental protection product
- Moisture-proof anti-electrostatic foil bag packaging
Typical Applications
- Infrared receiver circuits
- 940 nm optical sensing
- Through-hole PCB assemblies
- Reverse light current bin selection
- Wave-soldered LED-category boards
- Photodiode sensor evaluation
- Low-dark-current optical detection
Procurement Notes
When requesting a quote for XL-PD638C, 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.
Related Technical Articles
FAQ
What type of device is the XL-PD638C?
The XL-PD638C is an XINGLIGHT infrared receiver photodiode in the LED category. The datasheet describes it as an infrared receiver tube with transparent colloid in a through-hole infrared receiver diode package.
What are the XL-PD638C package dimensions?
The package outline dimensions are 7.6 x 5.25 x 2.75 mm for length, width, and height. Unless otherwise specified, the dimensional tolerance is listed as ±0.30 mm.
What wavelength is the XL-PD638C optimized for?
The datasheet lists a typical peak sensitivity wavelength of 940 nm at 25°C. The spectral bandwidth range is specified from 400 nm minimum to 1100 nm maximum.
What are the main soldering limits for XL-PD638C?
The maximum soldering condition is 260°C for no more than 6 s. The recommended maximum wave soldering temperature is 240°C for 6 s, and manual soldering is specified below 300°C for no more than 3 s per terminal.
How should XL-PD638C be stored before assembly?
The recommended storage condition is temperature no higher than 30°C and relative humidity no higher than 70%. Original box storage is recommended for no more than 3 months.
Technical Review & Sourcing Note
Prepared by LDeepAI Component Sourcing Team. Reviewed for RFQ, documentation and alternative sourcing use. Last updated: June 30, 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.