156120RS75300 - Wurth Elektronik Red Clear SMD LED 1206 - High Brightness Indicator
156120RS75300 - Wurth Elektronik RED CLEAR 1206 SMD LED: Ultimate Technical Guide
Introduction to 156120RS75300
The 156120RS75300 from Wurth Elektronik is a premium-grade surface-mount red LED designed for high-visibility indication applications. As part of Wurth's renowned optoelectronics portfolio, this LED combines German engineering precision with robust performance characteristics. This comprehensive guide explores every technical aspect to help design engineers and procurement specialists make informed decisions.
Technical Specifications Deep Dive
Optical Performance
- Luminous Intensity: 60mcd (millicandela) at 20mA drive current
- Wavelength Characteristics: - Dominant Wavelength: 624nm 3nm - Peak Wavelength: 632nm - Chromaticity Coordinates: x=0.685, y=0.315 (CIE 1931)
- Viewing Angle: Ultra-wide 140 radiation pattern
Electrical Parameters
| Parameter | Value | Conditions |
|---|---|---|
| Forward Voltage (Vf) | 2.0V typical | @ 20mA |
| Reverse Voltage (Vr) | 5V max | |
| Continuous Forward Current | 30mA max | |
| Pulse Forward Current | 100mA | @ 10 s pulse width |
Mechanical Construction
The LED features a 1206 (3216 metric) package with dimensions of 3.2mm 1.6mm 1.4mm. The epoxy resin encapsulation provides:
- Moisture sensitivity level (MSL): 1 (unlimited floor life)
- RoHS & REACH compliance
- Lead-free soldering compatibility (260 C peak reflow)
Comparative Advantages
When benchmarked against generic 1206 LEDs, the 156120RS75300 offers:
- Superior Thermal Management: Copper-alloy leadframe prevents luminous decay
- Strict Binning: 3nm wavelength tolerance vs. industry-standard 5nm
- Automation-Friendly: Vacuum pick-up compatible design for SMT assembly
Application Scenarios
Industrial Electronics
Perfect for PLC status indicators with: - 5,000+ hours continuous operation capability - Vibration resistance up to 10G
Automotive Interior
Used in dashboard clusters due to: - -40 C to +85 C operating range - AEC-Q200 qualification pending
Consumer Devices
Ideal for: - Wearable device notifications - Smart home control panels - Gaming peripherals
Design Guidelines
For optimal performance: 1. Use current-limiting resistor for 15-20mA drive 2. Maintain 0.5mm clearance from adjacent components 3. Avoid exposure to UV light for extended periods
Purchasing Information
Available through: - Wurth Elektronik authorized distributors - Tape & reel packaging (3,000 units/reel) - MOQ: 1 reel (sample quantities available)
Conclusion
The 156120RS75300 represents the gold standard in SMD indicator LEDs, offering unmatched reliability for critical applications. Its combination of precise optical characteristics, robust construction, and design flexibility makes it the preferred choice for engineers worldwide.
Call to Action: Download the full technical dossier or request samples today to experience Wurth's quality firsthand.