Specifications
| Type | Description |
|---|---|
| Part Number | XL-HD2835UVA2-A1 |
| Manufacturer | XINGLIGHT |
| Product Type | SMD LED |
| Category | LED |
| Package / Case | 2835 SMD LED, 2.8 x 3.5 x 1.7 mm |
| Outline Dimensions | 2.8 x 3.5 x 1.7 mm, L/W/H |
| Luminous Color | High brightness purple, transparent colloid |
| Encapsulant | Transparent colloid for high brightness purple LED |
| RoHS Compliance | Complied with RoHS Directive, environmental protection process |
| Moisture Sensitivity Level | MSL 3 |
| SMT Compatibility | Suitable for SMT automatic production, EIA standard packaging |
| Reflow Soldering Compatibility | Suitable for reflow soldering process |
| Power Dissipation | 600 mW, Ta=25°C |
| Max Continuous Forward Current | 150 mA, Ta=25°C |
| Pulsed Forward Current | 200 mA, 1/10 duty cycle, 0.1 ms pulse width, Ta=25°C |
| Reverse Voltage | 5 V, Ta=25°C |
| Electrostatic Discharge | 2000 V, HBM, Ta=25°C |
| Operating Temperature | -40 to +85 °C, Ta=25°C absolute maximum rating table |
| Storage Temperature | -40 to +85 °C, Ta=25°C absolute maximum rating table |
| Junction Temperature | ≤115 °C, Ta=25°C absolute maximum rating table |
| Radiation Flux | Min 120 mW, Typ /, Max 180 mW, IF=120 mA, Ta=25°C |
| Peak Wavelength | Min 390 nm, Typ 395 nm, Max 400 nm, IF=120 mA, Ta=25°C |
| Forward Voltage | Min 3.1 V, Typ /, Max 3.7 V, IF=120 mA, Ta=25°C |
| Viewing Angle | Typ 120 deg, 2θ1/2, IF=120 mA, Ta=25°C |
| Half Wave Width | Typ 12 nm, IF=100 mA, Ta=25°C |
| Reverse Current | Max ≤1 µA, VR=5 V, Ta=25°C |
| Brightness Grade P2-4 | 120 to 150 mW, IF=120 mA |
| Brightness Grade P2-5 | 150 to 180 mW, IF=120 mA |
| Voltage Grade N12-1 | 3.1 to 3.3 V, IF=120 mA |
| Voltage Grade N12-2 | 3.3 to 3.5 V, IF=120 mA |
| Voltage Grade N12-3 | 3.5 to 3.7 V, IF=120 mA |
| Wavelength Grade SZ05 | 390 to 395 nm, IF=120 mA |
| Wavelength Grade SZ06 | 395 to 400 nm, IF=120 mA |
| Default Test Ambient Temperature | 25±5 °C, unless otherwise indicated |
| Reflow Reliability Test | 260°C, max T=8 sec, 3 times, 22 pcs, Ac/Re 0/1, IEC/TR 60068-3-12-2014 |
| Temperature Cycle Reliability Test | 120°C±5°C 30 min to -40°C±5°C 30 min, 5 min transition, 100 cycles, 22 pcs, Ac/Re 0/1, IEC60068-2-14:2009 |
| High Humidity Heat Life Test | Ta=85°C, RH=85%, IF=150 mA, 1000 h, 22 pcs, Ac/Re 0/1, IEC60068-2-78:2001 |
| High Temperature Storage Test | 85°C±5°C, 1000 h, 22 pcs, Ac/Re 0/1, tested with yuliang standard |
| Low Temperature Storage Test | -30°C±5°C, 1000 h, 22 pcs, Ac/Re 0/1, IEC60068-2-1:2007 |
| Life Test | Ta=25°C±5°C, IF=150 mA, 1000 h, 22 pcs, Ac/Re 0/1, tested with yuliang standard |
| Failure Criterion Forward Voltage | Max U.S.L x 1.1, IF=150 mA |
| Failure Criterion Reverse Current | Max 1 µA, VR=5 V |
| Failure Criterion Luminous Flux | Min L.S.L x 0.7, IF=150 mA |
| Outline Dimension Tolerance | ±0.25 mm, unless otherwise noted |
| Tape/Reel Dimension Tolerance | ±0.1 mm, belt and disk dimensions |
| Hand Soldering Iron Power | Less than 30 W, recommended for repair/rework only |
| Hand Soldering Temperature | Under 300°C, each terminal less than 3 seconds, one time only |
| Maximum Reflow Cycles | No more than 2 times |
| Recommended Maximum Soldering Temperature | 240±5°C for 6 s, product best maximum welding temperature |
| Cleaning Condition | Alcohol cleaning under 30°C for 3 minutes or 50°C for 30 seconds after soldering |
| Ultrasonic Cleaning Power | ≤300 W, pretest required before cleaning |
| Unopened Storage Condition | ≤30°C, ≤60% RH, use within 1 year before opening moisture-proof anti-electrostatic package |
| Opened Storage Condition | ≤30°C, <10% RH, solder within 168 hours / 7 days after opening package |
| Recommended Workshop Condition | ≤30°C, <60% RH after opening |
| Baking Condition | 60±5°C for 24 hours if moisture absorbent fades or LEDs exceed storage time |
| Datasheet Status | request_only |
Product Overview
The XL-HD2835UVA2-A1 is a XINGLIGHT UVA purple SMD LED built in a 2835 surface-mount package. Its outline dimensions are 2.8 x 3.5 x 1.7 mm, with a transparent colloid encapsulant and high brightness purple luminous color. The device is specified as RoHS compliant and has a moisture sensitivity level of MSL 3.
At IF=120 mA and Ta=25°C, the LED is specified for 120 to 180 mW radiation flux, 390 to 400 nm peak wavelength, and 3.1 to 3.7 V forward voltage. The typical viewing angle is 120 degrees, and the typical half wave width is 12 nm at IF=100 mA. Absolute maximum ratings include 600 mW power dissipation, 150 mA continuous forward current, 200 mA pulsed forward current, and 5 V reverse voltage.
The package is intended for SMT automatic production and reflow soldering. Handling data includes no more than two reflow cycles, recommended maximum soldering temperature of 240±5°C for 6 seconds, and opened-package storage at ≤30°C and <10% RH with soldering within 168 hours.
Key Features
- 2835 SMD package, 2.8 x 3.5 x 1.7 mm
- High brightness purple output with transparent colloid encapsulant
- 390 to 400 nm peak wavelength at IF=120 mA
- 120 to 180 mW radiation flux at IF=120 mA
- 3.1 to 3.7 V forward voltage range
- 150 mA maximum continuous forward current at Ta=25°C
- Typical 120 degree viewing angle at IF=120 mA
- MSL 3 moisture sensitivity classification
- Suitable for SMT automatic production
- Compatible with reflow soldering process
- RoHS Directive compliance stated in datasheet
- Opened package soldering window is 168 hours
Typical Applications
- UVA purple light sources
- 390 to 400 nm LED assemblies
- Surface-mount LED boards
- Reflow-soldered lighting modules
- Purple indication and marking
- SMT automatic production lines
- Moisture-controlled LED assembly
- Repair or rework hand soldering
Procurement Notes
When requesting a quote for XL-HD2835UVA2-A1, 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 package is used for XL-HD2835UVA2-A1?
XL-HD2835UVA2-A1 uses a 2835 SMD LED package with outline dimensions of 2.8 x 3.5 x 1.7 mm. The datasheet lists an outline dimension tolerance of ±0.25 mm unless otherwise noted.
What wavelength range does this UVA LED cover?
At IF=120 mA and Ta=25°C, the peak wavelength is specified from 390 nm minimum to 400 nm maximum, with 395 nm listed as the typical value. Wavelength grades SZ05 and SZ06 cover 390 to 395 nm and 395 to 400 nm.
What current and voltage ratings are specified?
The maximum continuous forward current is 150 mA at Ta=25°C, and pulsed forward current is 200 mA under a 1/10 duty cycle and 0.1 ms pulse width. Forward voltage is specified from 3.1 to 3.7 V at IF=120 mA.
Is XL-HD2835UVA2-A1 suitable for SMT assembly?
Yes. The datasheet states that the LED is suitable for SMT automatic production with EIA standard packaging and is suitable for the reflow soldering process. Reflow soldering should be limited to no more than two cycles.
What storage handling is required after opening?
After opening the package, the specified storage condition is ≤30°C and <10% RH, with soldering within 168 hours or 7 days. Recommended workshop conditions after opening are ≤30°C and <60% RH.
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.



