The 3156NA automotive bulb is a single beam lamp that utilizes halogen technology. It has one filament and a wedge-type base, specifically the P27/7W base. The nominal power of this bulb is 12 volts and 27 watts.
This bulb can be used as a replacement part for various automotive applications such as brake lights, turn signals, and tail lights. It is commonly found in reflector headlights. The usual lifespan of this bulb is around 2 years.
The name of the bulb, 3156NA, is deciphered as follows: the first two digits (31) represent the bulb's diameter in millimeters, while the second two digits (56) represent the bulb's length in millimeters. The letters "NA" indicate that this bulb has a natural amber color.
In terms of bulb specs, the 3156NA has a brightness of 402 lumens and a color temperature of 3200K. It is interchangeable with other bulb types such as the 3156, 3156K, and 3156LL.