155124BS73200A

Overview

The Würth Elektronik 155124BS73200A is a blue surface-mount LED from the WL-SMSW series. It emits light at a peak wavelength of 465nm with a dominant wavelength of 470nm. The component features a typical forward voltage of 3.2V and a luminous intensity of 120mcd when tested at 20mA. It utilizes a water-clear, round lens within a 2-SMD no-lead package, measuring 3.20mm in length, 1.50mm in width, and 1.10mm in maximum height. The device offers a 120-degree viewing angle and operates between -40°C and +85°C.

Feature Summary

• Emits distinct blue light with high color purity for clear visual indication
• Features a compact rectangular form factor with a water-clear round lens
• Designed for reliable operation across extended industrial temperature ranges

Applications

• Status indication on electronic control boards
• Visual signaling in automotive instrument clusters
• Indicator lights for consumer appliance interfaces
• Power status display in portable computing devices

Procurement Notes

Verify the specific suffix 'A' against the manufacturer's latest datasheet to confirm current manufacturing status and any recent design changes. Ensure that the required forward voltage and luminous intensity parameters align with the target circuit design before finalizing procurement orders.

Selection Notes

Select this component when a standard blue indicator is required for space-constrained designs. The 1206 equivalent footprint allows for dense PCB layouts. Consider the 3.2V forward voltage drop when designing the current-limiting resistor network to ensure optimal brightness without exceeding thermal limits.

Part Context

This part belongs to the WL-SMSW family of single-color chip LEDs. These components are characterized by their small outline dimensions and robust surface-mount construction. The series provides various color options and intensities to suit different visibility requirements in modern electronics.

Replacement Considerations

Direct substitutes include other blue SMD LEDs with identical 1206 footprints and similar electrical characteristics. Verify pin compatibility and spectral output before swapping. Alternative Würth parts like 155124GS73200 offer different colors but require circuit adjustment.