Bulbs have two filaments, which operate at different brightness levels.

These bulbs are sized to fit tight spaces such as indicators and vehicle lights.

These bulbs are sized to fit tight spaces such as signs, control panels, indicators, and flashlights.

These miniature bulbs are sized to fit older telephone switchboards, signs, instruments, and indicators.

Often used as status indicators, in displays, or to check circuit function in prototyping and testing, these bulbs have wire terminals to directly install onto circuit boards.

Offset pins on the base lock these bulbs into sockets. One pin is slightly higher on the base than the other pin.

Fit these bulbs in tight spaces such as signs, control panels, indicators, and flashlights.

Detect UV-reflective materials that are invisible to the naked eye.