CMD91-21VYC/TR9

Voltage - Forward (Vf) (Typ):	2V
Height (Max):	3.00mm
Size / Dimension:	2.50mm L x 2.00mm W
Supplier Device Package:	Yoke Lead
Package / Case:	2-SMD, Yoke Bend
Features:	--
Wavelength - Peak:	585nm
Wavelength - Dominant:	--
Mounting Type:	Surface Mount
Viewing Angle:	25°
Current - Test:	--
Series:	--
Lens Style/Size:	Round with Domed Top, 1.90mm
Millicandela Rating:	30mcd
Lens Transparency:	Clear
Lens Color:	--
Color:	Yellow
Moisture Sensitivity Level (MSL):	--
Part Status:	Obsolete
Lead Free Status / RoHS Status:	--
Packaging:	Tape & Reel (TR)

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LED Indication - Discrete

LEDs have been a lasting fixture in the world of electronics for decades. As such, it is critical to understand the basic science behind them in order to make use of them in any meaningful capacity. The CMD91-21VYC/TR9 is an example of such a product, and an exploration into its application field and working principle can offer invaluable insight for anyone looking for a reliable and energy-efficient indication solution.The CMD91-21VYC/TR9 is a discrete LED used to indicate the status or presence of a power supply. It is a highly reliable LED that offers both long-life and low heat generation, making it ideal for a variety of other application fields as well. This LED is designed to work with a variety of power ranges, including AC and DC operations, while simultaneously providing excellent illumination close to the full rated power.The CMD91-21VYC/TR9 is composed of a PN-junction diode made of doped semiconductor material, such as silicon or germanium, that is turned on when a current passes through it. This diode contains a positive and negative terminal that supplies electricity to a pair of contacts, known as an anode and cathode. A voltage difference between the anode and cathode causes the flow of electricity, thus allowing the CMD91-21VYC/TR9 to produce illumination.The PN-junction diode also contains a layer of semi-conducting material, known as a depletion layer, that allows electrons to flow in one direction, and due to its size, allows for the diode to emit light when a certain voltage is applied. This is known as forward bias, where the anode appears to contain a positive charge relative to the cathode. Conversely, when the anode receives a negative charge relative to the cathode, it is considered to be in reverse bias.Moreover, the CMD91-21VYC/TR9 operates in the typical DC range, while also offering high-voltage operation with the help of a resistor. The resistor is designed to decrease the voltage going into the LED while also increasing the current, allowing the LED to receive full power while remaining illuminated. Additionally, its acrylic outer shell allows it to be both dustproof and shockproof, as well as provide thermal insulation and pure colour rendering.The CMD91-21VYC/TR9 can also be used for other complementary applications, thanks to its highly competitive pricing, its low energy consumption, and its easy installation capabilities. Its common applications include switch panels, panel illumination, switches, instruments, and more.In conclusion, the CMD91-21VYC/TR9 is an excellent discrete LED for anyone in need of a reliable, energy-efficient indication solution. It is composed of a highly reliable PN-junction diode, allowing it to receive power from a variety of different sources, while emitting light when provided with a certain voltage. Moreover, its acrylic outer shell not only provides dust and shockproofing, but also thermal insulation and pure colour rendering. Its affordability, low energy consumption and easy installation capabilities make it ideal for many different applications.

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