3GT-S

Voltage - Forward (Vf) (Typ):	2.1V
Height (Max):	4.50mm
Size / Dimension:	--
Supplier Device Package:	T-1
Package / Case:	Radial
Features:	--
Wavelength - Peak:	568nm
Wavelength - Dominant:	--
Mounting Type:	Through Hole
Viewing Angle:	30°
Current - Test:	20mA
Series:	--
Lens Style/Size:	Round with Domed Top, 3mm (T-1), 3.00mm
Millicandela Rating:	40mcd
Lens Transparency:	Clear
Lens Color:	Green
Color:	Green
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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Introduction

LED indication is a common phenomenon that can be seen in almost any electronic products nowadays, it usually denotes errors, power status or anything else to alert its user. Among all types of LED indicators, 3GT-S series is a special kind of commercial indicator which is qualified for multiple environment. With a complete lineup of features, 3-wire 3GT-S has been designed to operate in a variety of locations and applications. The following introduction will explain the field of application and working principle of 3GT-S.

Applications

3GT-S is a multi-functional LED indicator, which is often used in the commercial and industrial fields, such as electronic control panels in offices, factories, and shipyards. It can be seen in many other places thanks to its versatility, meanwhile its contoured shape of lens and easy mounting make it ideal for a wide variety of locations and applications.In industrial applications, 3GT-S is often used in control panels or junction boxes as a status indicator. It can be used to indicate failure or malfunction, as well as other warning signs to protect equipment and personnel. Moreover, it can be used to display status of equipment operated in public places, such as ATMs and public transportations. In commercial applications, 3GT-S is usually used for status indication and emergency warnings in malls, banks, schools and hospitals. It can be used to alert the public of potential hazards or display power status of a certain equipment. It is commonly seen in amusement parks, retail shops and laboratories due to its robustness and versatility.

Working Principle

3GT-S is a three-wire LED which forms an independent loop and works as an indicator for digital operation. The loops form a series connected LED with current-limiting resistors. This series connection increases the brightness without overloading the components, as the current is shared by all the LEDs according to its resistance.Also, the three-wire connection method allows the current to be controlled separately, therefore different LEDs can display different status through distinct brightness. This enables complicated application, such as metering and dimmer control, as users can increase or decrease the brightness of individual LEDs as wished.

Conclusion

3GT-S LED indicator is a solid-state device consisting of three or more LED connected in series. It is a versatile device which suitable for both commercial and industrial applications. The special three-wire connection makes it ideal for displaying different status and warning signs with different brightness. All these features make it a necessary element for industrial equipments and commercial buildings.

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