Specifications
| Type | Description |
|---|---|
| Part Number | XL-TD1608UBC |
| Manufacturer | XINGLIGHT |
| Product Type | Blue SMD LED |
| Category | LED |
| Package / Case | 0603 SMD, 1.6 x 0.8 x 0.95 mm |
| Outline Dimensions | 1.6 x 0.8 x 0.95 mm, L/W/H |
| Luminous Color | Blue, transparent/water colloid |
| Moisture Sensitivity Level | MSL 3, stated as 3 levels |
| Maximum Power Dissipation | 70 mW at Ta=25°C |
| Maximum Continuous Forward Current | 20 mA at Ta=25°C |
| Peak Forward Current | 80 mA, pulse width <=0.1 ms, duty <=1/10, Ta=25°C |
| Maximum Reverse Voltage | 5 V at Ta=25°C |
| ESD Rating | 2000 V at Ta=25°C |
| Operating Temperature Range | -40 to +85°C, Ta=25°C absolute maximum rating table |
| Storage Temperature Range | -40 to +85°C, Ta=25°C absolute maximum rating table |
| Lead Soldering Temperature/Time | 260°C <=6 s, absolute maximum rating |
| Luminous Intensity | 200-700 mcd at IF=20 mA, Ta=25°C |
| Dominant Wavelength | 460-475 nm at IF=20 mA, Ta=25°C |
| Peak Wavelength | 465 nm typ at IF=20 mA, Ta=25°C |
| Forward Voltage | 2.9-3.2 V at IF=20 mA, Ta=25°C |
| Half Wave Width | 25 nm typ at IF=20 mA, Ta=25°C |
| Viewing Angle | 35° typ at IF=20 mA, Ta=25°C, 2θ1/2 |
| Reverse Current | <=1 µA at VR=5 V, Ta=25°C |
| Brightness Grade A2 | 200-300 mcd at IF=20 mA |
| Brightness Grade A3 | 300-400 mcd at IF=20 mA |
| Brightness Grade A4 | 400-500 mcd at IF=20 mA |
| Brightness Grade A5 | 500-700 mcd at IF=20 mA |
| Brightness Measurement Error | ±10%, brightness grading |
| Voltage Grade R19-3 | 2.9-3.2 V at IF=20 mA |
| Voltage Measurement Error | ±0.1 V, voltage grading |
| Wavelength Grade HB04 | 460-465 nm at IF=20 mA |
| Wavelength Grade HB05 | 465-470 nm at IF=20 mA |
| Wavelength Grade HB06 | 470-475 nm at IF=20 mA |
| Wavelength Measurement Error | ±1 nm, wavelength grading |
| Default Test Environment Temperature | 25±5°C unless otherwise indicated |
| Recommended Maximum Welding Temperature | 240±5°C for 6 s, reflow soldering guidance |
| Hand Soldering Iron Power | <30 W, hand soldering recommended only for repair/rework |
| Hand Soldering Temperature | <300°C, each terminal once only |
| Hand Soldering Time | <3 s, each terminal once only |
| Reflow Soldering Cycles | Maximum 2 times, reflow soldering guidance |
| Post-Opening Floor Life | 168 hours / 7 days, stored at <=30°C and <40%RH after opening |
| Baking Condition | 60±5°C for 24 hours if desiccant/package fails or storage time exceeded |
| Datasheet Status | request_only |
Product Overview
XL-TD1608UBC is a XINGLIGHT blue SMD LED supplied in a compact 0603 package case. The mechanical outline is 1.6 x 0.8 x 0.95 mm, and the luminous color is blue with a transparent/water colloid construction noted in the extracted datasheet facts. The component is categorized as an LED and specified as a blue SMD LED.
At IF=20 mA and Ta=25°C, the device provides 200-700 mcd luminous intensity, a 460-475 nm dominant wavelength range, 465 nm typical peak wavelength, and 25 nm typical half wave width. Forward voltage is specified at 2.9-3.2 V, reverse current is <=1 µA at VR=5 V, and the viewing angle is 35° typical.
Absolute maximum ratings include 70 mW power dissipation, 20 mA continuous forward current, 80 mA peak forward current under pulsed conditions, 5 V reverse voltage, and a 2000 V ESD rating. Assembly guidance includes MSL 3 handling, maximum two reflow cycles, 240±5°C for 6 s recommended welding temperature, and 168-hour floor life after opening under the stated storage conditions.
Key Features
- 0603 SMD package, 1.6 x 0.8 x 0.95 mm
- Blue luminous color with transparent/water colloid construction
- 200-700 mcd luminous intensity at IF=20 mA
- 460-475 nm dominant wavelength at IF=20 mA
- 2.9-3.2 V forward voltage at IF=20 mA
- 20 mA maximum continuous forward current at Ta=25°C
- 80 mA peak forward current under specified pulse conditions
- 35° typical viewing angle at IF=20 mA
- MSL 3 moisture sensitivity level
- 168-hour floor life after opening under stated conditions
Typical Applications
- Blue status indicators
- Compact PCB indication
- 0603 SMD indicator layouts
- Wavelength-binned blue indication
- Brightness-graded LED assemblies
- Repair or rework assemblies
Procurement Notes
When requesting a quote for XL-TD1608UBC, 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 size is specified for XL-TD1608UBC?
XL-TD1608UBC is specified as a 0603 SMD blue LED with outline dimensions of 1.6 x 0.8 x 0.95 mm for length, width, and height.
What are the optical ratings at 20 mA?
At IF=20 mA and Ta=25°C, the LED has 200-700 mcd luminous intensity, 460-475 nm dominant wavelength, 465 nm typical peak wavelength, 25 nm typical half wave width, and 35° typical viewing angle.
What forward voltage range does this LED use?
The datasheet facts specify a forward voltage range of 2.9-3.2 V at IF=20 mA and Ta=25°C. The voltage grade R19-3 is also listed as 2.9-3.2 V at IF=20 mA.
What handling and soldering limits are listed?
The part is listed as MSL 3. Reflow soldering guidance states 240±5°C for 6 s with a maximum of two cycles, while hand soldering is limited to <30 W, <300°C, and <3 s per terminal once only.
Technical Review & Sourcing Note
Prepared by LDeepAI Component Sourcing Team. Reviewed for RFQ, documentation and alternative sourcing use. Last updated: July 4, 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.



