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

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

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

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

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.

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.

Use these bulbs in tight spaces, such as in indicators and vehicle lights.

Also known as beacon lights and signal lamps, these bulbs provide high-intensity light so they're often used in security warning devices and machinery.

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