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T8 LED Tube 18W 4ft LED Light Diffused

T8 LED Tube 18W 4ft LED Light Diffused

  • Model Number:
  • SYH-T08-012-100C-F08
  • Power:
  • 18W
  • Size:
  • Ф26×1200MM
  • Input Voltage:
  • AC100-240V
  • Material:
  • Alloy Aluminum housing & PC Cover
  • Color Temperature:
  • 6000-6500K

T8 LED Tube 18W 4ft LED Light Diffused

General Introduction

High lumen T8 LED Tube uses SMD LED2835 as light source and there are 600mm (2 feet), 900mm (3 feet), 1200mm (4 feet), 1500mm(5 feet) available.With longer lifespan (>50,000hours), higher brightness and less toxic substance, it can be widely used to replace the traditional fluorescent tube lights. This type of 18w 4ft LED light diffused T8 LED tube adopts the standard G13 socket and work with AC100-240V.

T8 LED Tube Details Photo

t8 led tube 4ft led light smd led2835

t8 led tube 4ft led light isolated power supply

t8 led tube 4ft led light milky pc cover

t8 led tube light alloyed aluminum housing

t8 led tube light round end caps

t8 led tube wires

T8 LED Tube Features

T8 LED Tube 18W 4ft LED Light Diffused with round flat end caps

Single LEDs of 24-26 lumen per watt higher luminance

Non-isolated power supply with 0.88 conversion efficiency

Anodic techniques to protect alloyed aluminum housing surface

International Standard lamp accessories: connectors, clips, screws, power casing,

insulated lead, etc.

T8 LED Tube Application

T8 LED tube can be applied in indoor LED lighting places, such as office room, school, factory, supermarket,etc.

t8 led tube application

T8 LED Tube Size

t8 led tube 4ft led light size














T8 LED Tube Parameters

Model NO.


Optical Parameters

Light Source


Luminous Flux(lm)






Beam Angle


Light Attenuation ratio (%)

Less than 10% within 3 years

LED Quantity


Electrical Parameters

Input Voltage(V)




Output Voltage(V)


Total Power(W)


Power Factor


Lifespan (Hrs)


Dielectric Voltage Withstand Test


Structure Parameters


Aluminum housing &PC cover





Net Weight(g)


Integrated Parameters

Operating Temperature


Storage Humidity


Safety Requirement


Environmental Directives


T8 LED Tube Installation

LED Tube Light Wiring Diagram:

t8 led tube wiring diagram

Installation Instruction
1)Turn off the electricity supply before installation
2)For refitting old fluorescent lamp, with a two-side-power-input LED tube, please re-connect your wire as the following diagram.

t8 led tube installation diagram

3)For diagram A1 loop with inductive ballast & starter, after removing the starter, LED tube can be installed directly into the G13 base.Then LED tube light is ready to work. And the loop has been changed from A1 to A2.

Note: You can just keep the inductive ballast as it was. However, it’ll consumer some power. For saving energy, it’s still suggested to cut it out if your labor cost is not so high.

4)For diagram B1 loop with electronic ballast , please remove the electronic ballast first. Then connect L and N to the two sockets of the G13 base separately. Now your LED tube light is ready to be turned on. And the loop has been changed into the one showed in diagram B2.

T8 LED Tube Package

t8 led tube package

Syhdee LED Tube

Syhdee LED Tube

Concentrated on LED Tubes

Specialized in producing, researching, and developing all types of LED tubes for around 5 years, we have already won trust and favor from customers at home and abroad.

Production Capability

With a 30,000 square meter workshop equipped with advanced machines and over 520 skilled workers, our production capability has reached 1500000 pieces of LED tube lights per month.

R&D Strength

Professional R&D team to guarantee the stable performance of products:

Chip & Packaging Team

Illuminating Efficiency Team

Electrical Engineering Team

Electronic Engineering Team

Hardware Structure Team

Industrial Design Team

Product Quality

Syhdee Manufactory has passed Germany TUV Rheinland and DEKRA Quality Management System certification.

Syhdee LED tubes complied with VDE,TUV, UL, FCC, DLC, SAA, C-Tick, CE&RoHS, Erp, PSE directives, etc.

Factory Direct Price

We are the manufacturer of LED tubes, which enables us to offer our customers factory direct price. Competitive price and excellent quality make us favorable in lighting field.

LED Tube OEM&ODM Project

As one professional LED tube supplier inChina, we can offer the turnkey LED tube solutions for our customers. OEM&ODM project is well available.


Overall energy efficiency and light distribution of any installation that uses such lamps are determined by the design of the installation.

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