Pins on the base lock these bulbs into sockets to withstand vibration. They're often used in machines and elevators.

These bulbs have a bi-pin connection to lock into sockets.

Replace bayonet base incandescent bulbs in exit signs with longer-lasting, energy-efficient LEDs.

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

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.

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

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

Pins on either side of the base lock these bulbs into sockets.