📌 Product Overview
The XL-DZ504UYD is a standard 3mm through-hole LED featuring a yellow light source with a water-clear lens (or corresponding colloid). It operates at a typical forward current of 20mA, making it suitable for general-purpose indication on PCBs. 💡 With a dominant wavelength range of 585nm to 595nm, this component provides clear visual status for electronic testing instruments and communication servers.
This device is engineered to balance luminous intensity—ranging from 300mcd to 900mcd—with energy efficiency. 👉 Its design supports automated assembly processes while maintaining compliance with RoHS environmental standards. This component is intended for engineers requiring stable visual feedback in moderate-density circuit designs.
🔌 Typical Applications
Based on the provided datasheet parameters and industry standards for this package type, the XL-DZ504UYD is best suited for the following scenarios:
- Status Indicators: Power-on, network activity, and fault status lights for storage servers and communication equipment.
- Consumer Electronics: User interface (UI) feedback for converters and IoT devices.
- Instrumentation: Signal display panels for electronic testing instruments where clear visibility is required.
- Industrial Feedback: 🔒 Operational status displays for medical treatment equipment or enclosed control systems.
📊 Key Technical Specifications
The following table outlines the initial electrical and optical characteristics under standard test conditions (Ta=25°C).
| Parameter | Symbol | Min | Typ. | Max | Unit | Test Conditions |
|---|---|---|---|---|---|---|
| Luminous Intensity | Iv | 300 | - | 900 | mcd | IF = 20mA |
| Dominant Wavelength | λd | 585 | - | 595 | nm | IF = 20mA |
| Peak Wavelength | λp | - | 590 | - | nm | IF = 20mA |
| Forward Voltage | VF | 1.8 | - | 2.4 | V | IF = 20mA |
| Viewing Angle | 2θ1/2 | - | 45° | - | deg | IF = 20mA |
| Half Wave Width | Δλ | - | 20 | - | nm | IF = 20mA |
💡 Note: Binning codes (Brightness: A4-A8, Voltage: N12-7 to N12-9, Wavelength: HY03-HY06) are available for strict color consistency control.
⚠️ Absolute Maximum Ratings & Process Limits
Exceeding these ratings may cause permanent device failure. Design margins must account for these absolute limits to ensure yield rate and reliability.
| Parameter | Symbol | Value | Unit | Notes |
|---|---|---|---|---|
| Max Power Dissipation | PD | 50 | mW | Thermal management required at high ambient temps. |
| Max Continuous Forward Current | IF | 20 | mA | Derating necessary above 25°C ambient. |
| Peak Forward Current | IFP | 80 | mA | Pulse width ≤ 10ms, duty cycle ≤ 1/10. |
| Max Reverse Voltage | VR | 5 | V | Protect against AC reverse bias. |
| ESD Tolerance | ESD | 2000 | V | Human Body Model (HBM); requires handling precautions. |
| Operating Temperature | TOPR | -40 ~ +85 | °C | Full performance range. |
| Storage Temperature | TSTR | -40 ~ +85 | °C |
📦 Package, Dimensions & Assembly Notes
The XL-DZ504UYD utilizes a standard 3mm round molded package with specific dimensional tolerances essential for footprints and pick-and-place nozzles.
- Appearance Dimensions: 6.2mm (Head Diameter) x 14mm (Length). Tolerances are ±0.25mm unless noted.
- Soldering Profile: 🌡️ Lead soldering temperature max is 260°C for ≤5 seconds.
- Moisture Sensitivity: 🏷️ MSL Level 2. Devices must be mounted within 1 year of opening the sealed bag.
- Packaging: ESD-safe, moisture-proof foil bags to maintain binning integrity.
- Mechanical Stress: Lead integrity testing supports bending loads up to 2.5N.
🛒 Sourcing & Supply Considerations
To minimize supply chain risks and ensure consistency in mass production, consider the following:
- Binning Control: Verify bin codes (A4-A8 for brightness, HY03-HY06 for wavelength) match your BOM to avoid visual inconsistency in status indicators.
- Authenticity: Source through XINGLIGHT authorized channels to guarantee MSL compliance and ESD protection standards.
- Yield Optimization: Ensure MSL Level 2 storage protocols are followed to prevent popcorn cracking during reflow or wave soldering.
❓ Frequently Asked Questions
Q: What is the typical forward voltage for the XL-DZ504UYD?
A: The forward voltage (VF) ranges from a minimum of 1.8V to a maximum of 2.4V when driven at the standard test current of 20mA. Designers should select current-limiting resistors based on the maximum 2.4V to ensure consistent brightness across the batch.
Q: Is this LED suitable for high-temperature industrial environments?
A: Yes, the component is rated for an operating temperature range of -40°C to +85°C. However, to maximize lifespan, the power dissipation should be managed, and the ambient temperature around the LED should be kept within the specified limits.
Q: What does the MSL Level 2 rating mean for assembly?
A: Moisture Sensitivity Level 2 indicates that the components can withstand exposure to the ambient factory environment (≤30°C / 60% RH) for up to one year before baking is required. 👉 If the moisture barrier bag is opened and components are not used within this time, they should be baked to prevent damage during soldering.
Q: How is the brightness graded for this model?
A: The luminous intensity is divided into bins A4 through A8.
- A4: 300-400 mcd
- A5: 400-500 mcd
- A6: 500-700 mcd
- A7: 700-900 mcd
- A8: 900-1200 mcd
Selecting a specific bin code ensures uniform brightness across your product's UI panels.
