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Product Detailed Parameters
- Description：LED BLUE CLEAR 2SMD BOTTOM ENT
- Series：WL-SMRW
- Mfr：Würth Elektronik
- Package：Tape & Reel (TR),Cut Tape (CT)
- Color：Blue
- Configuration：Independent
- Lens Color：Colorless
- Lens Transparency：Clear
- Millicandela Rating：50mcd
- Lens Style：Irregular
- Lens Size：-
- Voltage - Forward (Vf) (Typ)：3.2V
- Current - Test：20mA
- Viewing Angle：140°
- Mounting Type：Surface Mount, Bottom Entry
- Wavelength - Dominant：470nm
- Wavelength - Peak：465nm
- Features：-
- Package / Case：1206 (3216 Metric)
- Supplier Device Package：2-SMD
- Size / Dimension：3.20mm L x 1.60mm W
- Height (Max)：1.40mm
- Grade：-
- Qualification：-
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Overview
The 156120BS75300 is a single-color surface-mount LED from the WL-SMRW series by Würth Elektronik. It features a blue emission with a peak wavelength of 465 nm and a cylindrical lens shape. The component utilizes a 1206 (3216 metric) package with dimensions of 3.2 mm in length, 1.4 mm in width, and 1.2 mm in height. Electrical characteristics include a forward voltage of 3.2 V at a forward current of 25 mA, resulting in a power rating of 95 mW. The optical intensity is specified at 50 mcd, with a viewing angle of 140 degrees.
Feature Summary
- Reverse mount design for flexible PCB layout options
- Cylindrical water-clear lens for uniform light distribution
- RoHS compliant construction suitable for modern electronics
Applications
- Indicator lights on electronic devices
- Backlighting for control panels
- Status indication in consumer electronics
Procurement Notes
Verify the specific suffix against the manufacturer's official datasheet to confirm exact optical and electrical tolerances. Ensure compatibility with standard SMT reflow processes and check moisture sensitivity levels prior to assembly. Confirm that the reverse mount orientation aligns with the target PCB footprint design requirements.
Selection Notes
Select this component when a low-profile blue indicator is required in a 1206 footprint. The reverse mount configuration allows for mounting beneath other components or on double-sided boards. Consider the 140-degree viewing angle for applications requiring broad visibility rather than focused beam output.
Part Context
This part belongs to the WL-SMRW series, which specializes in reverse-mount surface-mount LEDs. The series offers various colors and lens shapes within compact packages, providing designers with versatile options for space-constrained applications where traditional top-mount LEDs may not fit.
Replacement Considerations
Direct substitutes within the same series include 156120BS75000 and 156120BS75100, which share similar physical dimensions but may differ in specific luminous intensity or wavelength tolerances. Always cross-reference the latest datasheet before substitution.
