The commonly used specifications of LED fluorescent lamps are T8, T5, and T4 lamps. A group of three lamps used by enterprises is usually T5 lamps. The commonly used LED fluorescent lamps in the past are T10 and T12.
"T" stands for "Tube", which means tubular, and the number after T means the diameter of the tube. T8 means there are 8 "Ts", and one "T" is 1/8 inch.
One inch is equal to 25.4 millimeters. Then each "T" is 25.4÷8=3.175mm;
The diameter of the T12 lamp is (12/8)×25.4=38.1 mm
The diameter of the T10 lamp is (10/8)×25.4=31.8mm
The diameter of the T8 lamp is (8/8)×25.4=25.4mm [T8 is exactly one inch in diameter] (Note: Uniform width 39mm, height 52mm)
Commonly used fluorescent lamp length and power: (20w length 620mm; 30w length 926mm; 40w length 1230mm)
The diameter of the T5 lamp is (5/8)×25.4=16 mm (Note: the uniform width is 23.5mm and the height is 39mm)
Commonly used fluorescent lamp length and power: (8w length 310mm; 14w length 570mm; 21w length 870.5mm; 28w length 1170.5mm; 35w length 1475mm)
The diameter of the T4 lamp is (4/8)×25.4=12.7 mm (Note: the uniform width is 21mm and the height is 32mm)
Commonly used fluorescent lamp length and power: (8w length 341mm; 12w length 443mm; 16w length 487mm; 20w length 534mm;
22w length 734mm; 24w length 874mm; 26w length 1025mm; 28w length 1172mm)
The diameter of the T3.5 lamp is (3.5/8)×25.4=11.1 mm
The diameter of the T2 lamp is (2/8)×25.4=6.4 mm
Led fluorescent tubes are manufactured in accordance with the specifications of ordinary fluorescent lamps, and their specifications are almost the same. The LED fluorescent lamps can be easily replaced by ordinary fluorescent lamps without changing the bracket to achieve environmental protection and energy saving, which is conducive to saving the cost of replacement.
Benwei Lighting is an LED Tube, LED flood light, LED Panel Light, LED High Bay, LED manufacturer with 12 years of experience. If you want to purchase a high-quality LED flood light or have a more in-depth understanding of the application of LED flood lights, please contact send us inquiry， our web: https://www.benweilight.com/.
