News
LED university
Light Bulb Shapes
Author: Jack Chow    Date: 2014-8-29

 Light Bulb Shapes

Light Bulb Shapes

Light bulb shapes vary, from pear shapes to funnel shapes to tube shapes. Each light bulb type has a designation. Examples include: PAR for parabolic aluminized reflector light bulb or T for tube. Many household halogen light bulbs are a MR16, the MR is for 'metallic reflective' light bulb. 

Bulb shapes are derived from these names. Several of the more general classes of bulb types are outlined below.
Light Bulb Shapes Defined
 
A Standard household incandescent light bulb shape
B Bulged bulb shape
BT Bulged or Blown Tubular bulb shape
BR Short reflector style light bulb
C Candle or Conical bulb shape
CP Crystalline Pear bulb shape
E Ellipsoidal bulb shape
ER Extended reflector light bulb shape
F Flame style candelabra bulb shape
G Globe bulb or circular bulb
HK Hexagonal Candle
K Krypton or narrow reflector light bulb shape
MB Halogen bulb
MR Quartz reflector lamp (low wattage)
P Pear bulb shape
PAR Parabolic Aluminized Reflector (PAR) lamp
PS Elongated standard incandescent bulb
R Reflector light bulb style
S Strait Sided bulb style
T Tube lamp shape
 
 
PAR Light Bulbs: PAR16, PAR20, PAR30 and PAR38
PAR light bulbs utilize a parabolic mirror or reflective surface to focus the light. This results in a great brightness with less energy consumption. Still several factors less effecient than an LED light bulb.
 
A Shaped Light Bulbs
A type bulb shapes are standard house hold light bulbs. The number after the bulb shape is the number of eighths of and inch in diameter. For non-imperial measured bulbs the number following the bulb shape is the # centimeters at the widest point of the bulb.
Copyright statement © 1999 to 2013, Alibaba.com (Hong Kong) co., LTD, and authorized all rights reserved technical support: China open Internet Support£º30c.cn