WP57YYD

Voltage - Forward (Vf) (Typ):	2.1V
Height (Max):	8.60mm
Size / Dimension:	--
Supplier Device Package:	T-1 3/4
Package / Case:	Radial
Features:	--
Wavelength - Peak:	590nm
Wavelength - Dominant:	588nm
Mounting Type:	Through Hole
Viewing Angle:	60°
Current - Test:	20mA
Series:	--
Lens Style/Size:	Round with Domed Top, 5mm (T-1 3/4), 5.00mm
Millicandela Rating:	12mcd
Lens Transparency:	Diffused
Lens Color:	Yellow
Color:	Yellow
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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LED Indication - Discrete

Light Emitting Diodes (LEDs) are commonly used for illumination and indicator purposes in many applications. One of the most popular types of LED indicators for discrete applications is the WP57YYD series. This type of LED is ideal for displaying simple, direct indications of an on/off or a binary state in both indoor and outdoor environments.

Features

The WP57YYD comes in a wide variety of shaped packages from small button-size through to large circular designs. A variety of colours can be used for visual indication purposes and the lenses are available in transparent, diffuse, or coloured versions. The lifetime of the LEDs varies depending upon the ingredients,with some being longer than others, giving an improved operational lifetime. The package itself is fully resistant to heat, environmental temperature, moisture, and corrosion.

Application

The WP57YYD series of LEDs have multiple applications such as in traffic signals, public warning signs, emergency vehicles and sign boards, indicating the status of security systems and alarms, and in aircraft. LED indicators are also used in audio and video equipment, computer peripherals, and other electronic appliances. They are also popular in automotive applications such as dashboard lights, turn indicators, and hazard lights.

Working Principle

LEDs work on the principle of electroluminescence, which is the emission of light from a material when electric current flows through it. In a LED, the current passes through a ‘junction’ formed by the P-type and the N-type semiconductor material. This junction is responsible for the light emission when an electric current is passed through the diode. The colour of the light emitted by the LED is determined by the type of material used in the semiconductor layers and the wavelength of the emitted light. The WP57YYD LED series operates on a low voltage and can provide high output with very low power consumption. They have wide viewing angles, which makes them ideal for operations that require a large viewing area. The efficiency of the LED also increases significantly with the increase in the current passing through the diode.

Conclusion

The WP57YYD is a versatile and popular type of LED that is suitable for a wide variety of discrete applications. The use of this type of LED in various applications makes it one of the most sought-after products in the industry. It is highly reliable, has long operational lifetimes, and requires very low power consumption. The multiple features offered by these LEDs make them an ideal choice for many applications in the automotive, industrial and consumer sectors.

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