The WL-SBTW series from Wurth Elektronik are a family of bi-colour LEDs in a surface mounted (SMD) package. They have an industry standard 3528 footprint and a waterclear lens. A black face offers a higher on-off contrast for the WL-SBTW LEDs.
The WL-SBTW have been designed for applications such as flat back lighting for LCDs, decorative lighting, switches and symbols.

Features of the WL-SBTW bi-colour LEDs:
SMD 3528 compact package
Black face
Low energy consumption
High reliability

Visible Light LEDs, Wurth

A wide range of visible light LEDs from Würth Elektronik available in both SMT and through-hole packages. Both water-clear and diffused types are available and all devices feature high luminous efficacy with low energy consumption. The LEDs are suitable for a very wide range of applications which include backlighting for LCDs, indicator and switch illumination, indoor and outdoor message displays, industrial control system and traffic signals, marker lights, directional indicators and decorative lighting.