📌 Product Overview
The XL-234UYC-L is a standard 3mm radial leaded LED featuring a yellow water-clear colloid. 📏 With package dimensions of 3.0 x 2.0 x 4.0 mm and a lead length of 28mm, it is optimized for automated insertion and legacy PCB assembly. 👇 This component targets general indication purposes where low power consumption and standard DC drive logic are required. It is designed to meet ROHS compliance while maintaining high energy efficiency.
🚀 Typical Applications
Based on the provided datasheet parameters, the XL-234UYC-L is suitable for a wide range of general-purpose electronic indicators:
- Status Indicators: Home appliances and digital communication devices.
- Automotive Electronics: Interior dashboard lighting (non-critical).
- Consumer Products: Electronic toys, clocks, and lighting decorations.
- Instrumentation: Traffic instructions and electronic teaching equipment.
- Specialized Devices: Medical beauty instruments and urban lighting fixtures.
📉 Key Technical Specifications
The table below outlines the initial electrical and optical characteristics ($T_a = 25^\circ C$). ⚡ Designers should pay close attention to the Luminous Intensity ($I_V$) and Dominant Wavelength ($\lambda_d$) binning codes for visual consistency.
| Parameter | Symbol | Min | Typ | Max | Unit | Test Conditions |
|---|---|---|---|---|---|---|
| Luminous Intensity | $I_V$ | 50 | 200 | 300 | mcd | $I_F = 20\text{mA}$ |
| Dominant Wavelength | $\lambda_d$ | 585 | — | 595 | nm | $I_F = 20\text{mA}$ |
| Peak Wavelength | $\lambda_p$ | — | 590 | — | nm | $I_F = 20\text{mA}$ |
| Forward Voltage | $V_F$ | 1.8 | 2.2 | 2.4 | V | $I_F = 20\text{mA}$ |
| Viewing Angle | $2\theta_{1/2}$ | — | 110 | — | deg | $I_F = 20\text{mA}$ |
| Reverse Current | $I_R$ | — | — | 10 | $\mu\text{A}$ | $V_R = 5\text{V}$ |
🔒 Absolute Maximum Ratings & Process Limits
Exceeding these ratings may cause device failure or permanent performance degradation. ⚠️ Thermal management and soldering profile adherence are critical for reliability.
| Parameter | Symbol | Rating | Unit | Notes |
|---|---|---|---|---|
| Power Dissipation | $P_d$ | 70 | mW | Derate above 25°C ambient |
| Max Forward Current | $I_F$ | 20 | mA | Continuous DC operation |
| Peak Forward Current | $I_{Fp}$ | 80 | mA | Pulse width dependent |
| Operating Temp. | $T_{opr}$ | -20 ~ +85 | °C | Ambient range |
| Storage Temp. | $T_{stg}$ | -40 ~ +85 | °C | Storage range |
| Soldering (Wave) | $T_{sol}$ | 240 | °C | $\le 6\text{s}$, Distance $\ge 2.0\text{mm}$ |
| Soldering (Manual) | $T_{sol}$ | 300 | °C | $\le 3\text{s}$, Distance $\ge 2.0\text{mm}$ |
📦 Package, Dimensions & Assembly Notes
The XL-234UYC-L utilizes a standard diffused 3mm T1 molded package with long leads. 📏 The physical dimensions are critical for PCB lead hole spacing.
- Dimensions: $3.0 \times 2.0 \times 4.0\text{mm}$ (Body), Lead Length $28\text{mm}$.
- Tolerance: $\pm 0.50\text{mm}$ unless otherwise noted.
- Packaging: 1000 pieces per moisture-proof anti-static bag.
- MSL: Level 2 (Moisture Sensitivity Level).
- Assembly: Ensure solder points are $> 2.0\text{mm}$ from the colloid base to prevent thermal damage.
🛒 Sourcing & Supply Considerations
When procuring the XL-234UYC-L, supply chain teams should verify specific binning codes to ensure color and voltage consistency across batches. 💡
- Binning Verification: Confirm Brightness (A1-A3), Voltage (N12-7/8/9), and Wavelength (HY03-HY06) codes.
- Authenticity: Source through XINGLIGHT authorized channels to guarantee ROHS compliance.
- Quality Control: Request reliability test data for high-temperature storage and soldering heat resistance.
❓ FAQ
Q: What is the typical forward voltage drop for the XL-234UYC-L?
A: The typical forward voltage ($V_F$) is 2.2V at a forward current of 20mA, with a maximum of 2.4V. ⚡
Q: How should I handle the soldering process to avoid damaging the LED?
A: For wave soldering, do not exceed 240°C for 6 seconds. For manual welding, the limit is 300°C for 3 seconds. 🔥 Always maintain a distance of at least 2.0mm between the soldering point and the bottom of the LED body.
Q: What are the binning options for luminous intensity?
A: The intensity is binned into three groups: A1 (50-100 mcd), A2 (100-200 mcd), and A3 (200-300 mcd) at 20mA. 💡
Q: Is this component suitable for automotive use?
A: While listed under "Automotive Electronics" in the application notes, it is intended for general interior indicators. For critical exterior or under-hood applications, verify specific AEC-Q qualifications or thermal requirements. 🚗
Q: What is the storage humidity requirement?
A: Storage humidity must not exceed 70% Relative Humidity at temperatures not exceeding 30°C to prevent moisture ingress. 💧
