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XL-C4040SURUG LED Datasheet: Complete Specifications and Applications Guide

Complete technical specifications and applications guide for XINGLIGHT XL-C4040SURUG surface mount LED device. Includes electrical characteristics, absolute maximum ratings, optical parameters, reliability tests, soldering guidelines, and practical usage scenarios.

XL-C4040SURUG LED Datasheet: Complete Specifications and Applications Guide

XINGLIGHT XL-C4040SURUG Product Overview

XINGLIGHT XL-C4040SURUG is a surface mount LED device designed for automotive and industrial lighting applications. With its compact 4.0×3.95×3.55mm package and excellent optical performance, this LED delivers reliable illumination across diverse use cases.

Key Specifications

Electrical Characteristics

  • Forward Voltage (VF): 1.8V to 2.4V

  • Forward Current (IF): 20mA to 60mA

  • Reverse Voltage (VR): 5V

  • Power Dissipation: 50mW at 25°C

  • Peak Forward Current (IFP): 80mA

  • Thermal Resistance: N/A (as specified)

Optical Characteristics

  • Lens Color: Red Water Clear / Water Colloid
  • Luminous Color: Red
  • Viewing Angle (2θ): 120° (half-angle)
  • Dominant Wavelength (λp): 625nm
  • Peak Wavelength (λp): 520nm
  • Luminous Intensity: 700mcd to 1000mcd

Package Specifications

  • Outer Dimensions (L/W/H): 4.03.953.55mm
  • Package Form: With Flange
  • Mounting Style: Surface Mount
  • MSL (Moisture Sensitivity Level): 3
  • Packaging: EIA standard packaging

Absolute Maximum Ratings (Ta=25°C)

ParameterValueUnit
Forward Current60mA-
Reverse Voltage5VV
Power Dissipation50mW-
ESD Capability2000VV
Operating Temperature-40 to +85°C
Storage Temperature-40 to +85°C
Soldering Temperature≤255°C

Optical Characteristics (IF=20mA)

| Parameter | Min | Typ | Max | Unit |
|-----------|------|--------|-------|
| Luminous Intensity | 700 | 1000 | mcd |
| Viewing Angle (2θ) | / | 120 | deg | IF=20mA |
| Dominant Wavelength (λp) | / | 625 | nm | IF=20mA |
| Peak Wavelength (λp) | / | 520 | nm | IF=20mA |
| Forward Voltage | 2.0 | 2.4 | V | IF=20mA |
| Reverse Current (VR=5V) | / | / | ≤ 5 | μA | IF=20mA |

Applications

The XINGLIGHT XL-C4040SURUG is suitable for various applications:

  • Automotive Exterior Lighting: Car exterior lighting, step lights, exit passage lights, sign lights

  • Automotive Interior Lighting: Dashboard illumination, interior lighting, reading lights

  • Outdoor Lighting Fixtures: Street lighting, flood lights, pathway lights, garden lights

  • Consumer Appliances: Refrigerator lighting, washing machine lighting, clothes dryer lighting

  • Decoration and Entertainment Lighting: Stage lighting, architectural lighting, and entertainment lighting

  • Industrial Applications: Machine vision systems, status indicators, and emergency lighting

Compliance and Certifications

  • ROHS Compliant: Yes, meets environmental protection standards
  • EIA Standard Packaging: Complies with EIA packaging requirements
  • Suitable for SMT: Designed for automated surface mount technology assembly
  • Environmental Protection: Complied with ROHS Directive

Soldering Guidelines

  • Profile: Reflow Soldering
  • Peak Temperature (TSOL): 260°C ≤ 6 seconds
  • Preheating Temperature: 150°C to 200°C
  • Soldering Time: 10s ± 2s
  • Cooling Rate: From peak to 100°C within 10s

Packaging

  • Type: EIA standard packaging
  • Environmental Compliance: Complied with ROHS Directive
  • Suitable for SMT: Designed for automated surface mount technology assembly

Why Choose XL-C4040SURUG?

High Brightness: With luminous intensity up to 1000mcd, this LED delivers exceptional brightness in a compact package.

  • Wide Viewing Angle: The 120° viewing angle ensures even light distribution and flexible application design.
  • Reliable Performance: 2000V ESD protection and ROHS compliance ensure long-term reliability and environmental compliance.
  • SMT Compatible: The 4.0×3.95×3.55mm package is designed for automated SMT production lines, reducing assembly costs.
  • Wide Temperature Range: Operating from -40°C to +85°C, suitable for harsh automotive and outdoor environments.

Ordering Information

  • Part Number: XL-C4040SURUG
  • Brand: XINGLIGHT
  • Minimum Order Quantity: 1000 units
  • Lead Time: 6-8 weeks

Compliance and Certifications

  • ROHS Compliant: Yes, meets environmental protection standards
  • EIA Standard Packaging: Complies with EIA packaging requirements
  • Suitable for SMT: Designed for automated surface mount technology assembly
  • Environmental Protection: Complied with ROHS Directive

Technical Support

For detailed specifications, application support, or procurement inquiries:

  • Contact: [Email] or [Website]
  • Datasheet Version: 1.2
  • Last Updated: February 2026

Note: This datasheet is compiled for reference purposes. Always verify latest specifications with manufacturer before finalizing design decisions.

About Leon Zhang

Founder and Strategic Sourcing Lead, LDeepAI

Leon Zhang is the founder of LDeepAI, focusing on AI-assisted electronic component sourcing and verified China supply-chain support for overseas buyers. He previously worked within the Huaqiang Group ecosystem, including experience related to HQEW, one of China's well-known electronic component trading platforms. This background gives him practical insight into China's electronic component supply-chain structure, supplier screening, channel verification and cross-border sourcing workflows.

Expertise: electronic component sourcing, China supply-chain verification, LED components, memory and storage sourcing, RFQ risk screening.

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