Specifications
| Type | Description |
|---|---|
| Part Number | XL-257UYD-L |
| Manufacturer | XINGLIGHT |
| Product Type | SMD LED |
| Category | LED |
| Package / Case | Through-hole LED, 5.0 x 2.0 x 7.0 x 28 mm |
| Appearance Dimensions | 5.0 x 2.0 x 7.0 x 28 mm |
| Luminous Color | Yellow |
| Colloid Color | Yellow colloid |
| RoHS Compliance | Meets RoHS requirements |
| Moisture Sensitivity Level | MSL 2 |
| Power Dissipation | 70 mW, Ta=25°C absolute maximum rating |
| Maximum Continuous Forward Current | 20 mA, Ta=25°C absolute maximum rating |
| Peak Forward Current | 80 mA, Ta=25°C absolute maximum rating |
| Operating Ambient Temperature | -20°C to +85°C |
| Storage Ambient Temperature | -40°C to +85°C |
| Wave Soldering Condition | 240°C, <=6 s; solder point at least 2.0 mm from colloid bottom |
| Manual Welding Condition | 300°C, 3 s; solder point at least 2.0 mm from colloid bottom |
| Luminous Intensity | 50 min, 200 typ, 300 max mcd at IF=20mA, Ta=25°C |
| Dominant Wavelength | 585 min, 595 max nm at IF=20mA, Ta=25°C |
| Peak Wavelength | 590 typ nm at IF=20mA, Ta=25°C |
| Forward Voltage | 1.8 min, 2.2 typ, 2.4 max V at IF=20mA, Ta=25°C |
| Viewing Angle | 110 typ deg at IF=20mA, Ta=25°C, 2θ1/2 |
| Spectral Width at Half Height | 20 typ nm at IF=20mA, Ta=25°C |
| Reverse Current | <=10 µA at VR=5V, Ta=25°C |
| Luminous Intensity Tolerance | ±10% |
| Forward Voltage Tolerance | ±0.1 V |
| Chromaticity Coordinate Tolerance | ±0.01 |
| Wavelength Tolerance | ±1 nm |
| Brightness Grade A1 | 50 to 100 mcd at IF=20mA |
| Brightness Grade A2 | 100 to 200 mcd at IF=20mA |
| Brightness Grade A3 | 200 to 300 mcd at IF=20mA |
| Voltage Grade N12-7 | 1.8 to 2.0 V at IF=20mA |
| Voltage Grade N12-8 | 2.0 to 2.2 V at IF=20mA |
| Voltage Grade N12-9 | 2.2 to 2.4 V at IF=20mA |
| Wavelength Grade HY03 | 585 to 587.5 nm at IF=20mA |
| Wavelength Grade HY04 | 587 to 590 nm at IF=20mA |
| Wavelength Grade HY05 | 590 to 592.5 nm at IF=20mA |
| Wavelength Grade HY06 | 592.5 to 595 nm at IF=20mA |
| Working Life Test | 1000 hrs, 22 pcs, fail qty 0/1; Ta=25°C±5°C, IF=20mA |
| High Temperature High Humidity Test | 1000 hrs, 22 pcs, fail qty 0/1; Ta=85°C±5°C, RH=85% to 90% |
| High Temperature Storage Test | 1000 hrs, 22 pcs, fail qty 0/1; Ta=85°C±5°C |
| Low Temperature Storage Test | 1000 hrs, 22 pcs, fail qty 0/1; Ta=-40°C±5°C |
| Cold and Hot Cycle Test | 100 cycles, 22 pcs, fail qty 0/1; 100°C±5°C for 30 min, transition 5 min, -40°C±5°C for 30 min |
| Hot and Cold Impact Test | 100 cycles, 22 pcs, fail qty 0/1; 105°C±5°C to -45°C±5°C, 5 min and 5 min |
| Resistance to Soldering Heat Test | 2 times, 22 pcs, fail qty 0/1; Tsol=250°C±5°C |
| Lead Integrity Test | 3 times, 22 pcs, fail qty 0/1; load 2.5 N / 0.25 kgf, 0° to 90° to 0° |
| Outline Dimension Tolerance | ±0.50 mm unless otherwise specified |
| Packaging | In bags |
| Packaging Protection | Moisture proof and anti-electrostatic foil bag |
| Recommended Storage Environment | Temperature <=30°C, relative humidity <=70% |
| Recommended Original Package Storage Time | No more than 3 months |
| Cleaning With Ethanol | No more than 3 minutes at room temperature |
| Lead Bend Distance | At least 2 mm from colloid |
| ESD Human Body Model | HBM <1000 V |
| ESD Machine Discharge Mode | <100 V |
| Datasheet Status | request_only |
Product Overview
XINGLIGHT XL-257UYD-L is a yellow through-hole LED with physical appearance dimensions of 5.0 x 2.0 x 7.0 x 28 mm. The product description identifies yellow luminous color and yellow colloid, with RoHS compliance and MSL 2 moisture sensitivity stated in the manufacturer technical datasheet.
Electrical and optical ratings are specified at IF=20 mA and Ta=25°C unless otherwise noted. The LED provides 50 mcd minimum, 200 mcd typical, and 300 mcd maximum luminous intensity, with 585 to 595 nm dominant wavelength, 590 nm typical peak wavelength, 20 nm typical spectral width at half height, and 110° typical viewing angle. Forward voltage is 1.8 V minimum, 2.2 V typical, and 2.4 V maximum, with reverse current limited to 10 µA at VR=5 V.
Assembly guidance includes wave soldering at 240°C for up to 6 s and manual welding at 300°C for 3 s, with the solder point at least 2.0 mm from the colloid bottom. Storage guidance specifies no more than 30°C and 70% relative humidity, with original package storage no longer than 3 months.
Key Features
- Yellow through-hole LED with yellow colloid
- 5.0 x 2.0 x 7.0 x 28 mm package
- 50 to 300 mcd luminous intensity at 20 mA
- 585 to 595 nm dominant wavelength range
- 1.8 to 2.4 V forward voltage range
- 110 degree typical viewing angle at 20 mA
- 20 mA maximum continuous forward current rating
- 80 mA peak forward current rating
- RoHS compliant with MSL 2 classification
- Moisture proof anti-electrostatic foil bag packaging
Typical Applications
- Yellow status indicators
- Through-hole panel indicators
- Equipment signal lamps
- Printed circuit board indication
- Visual alarm indicators
- General yellow LED displays
- Assemblies requiring wide viewing angle
Procurement Notes
When requesting a quote for XL-257UYD-L, 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 color output does XL-257UYD-L provide?
XL-257UYD-L is specified as a yellow through-hole LED. The datasheet lists yellow luminous color, yellow colloid, 585 to 595 nm dominant wavelength, and 590 nm typical peak wavelength at IF=20 mA and Ta=25°C.
What forward voltage is specified for XL-257UYD-L?
At IF=20 mA and Ta=25°C, the forward voltage is specified as 1.8 V minimum, 2.2 V typical, and 2.4 V maximum. The datasheet also lists voltage grades N12-7, N12-8, and N12-9.
What soldering limits apply to this LED?
Wave soldering is specified at 240°C for no more than 6 seconds, and manual welding is specified at 300°C for 3 seconds. In both cases, the solder point must be at least 2.0 mm from the colloid bottom.
How should XL-257UYD-L be stored before assembly?
Recommended storage is temperature no higher than 30°C and relative humidity no higher than 70%. The datasheet states original package storage should be no more than 3 months, with packaging in moisture proof and anti-electrostatic foil bags.
Technical Review & Sourcing Note
Prepared by LDeepAI Component Sourcing Team. Reviewed for RFQ, documentation and alternative sourcing use. Last updated: July 1, 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.