H178CHD

Series:	H178C
Part Status:	Active
Lead Free Status / RoHS Status:	--
Color:	Red
Moisture Sensitivity Level (MSL):	--
Wavelength - Peak:	625nm
Configuration:	Single
Current:	20mA
Millicandela Rating:	25mcd
Viewing Angle:	45°
Lens Type:	Diffused
Lens Style/Size:	Round with Domed Top, 5mm, T-1 3/4
Voltage Rating:	2V

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An LED or light-emitting diode is a type of circuit board indicator which emits light when an electrical current passes through it. It is the most common type of indicator used in industrial and commercial applications, and is often utilized in LED arrays, light bars, bar graphs, etc. The H178CHD is a specialized illuminating device designed specifically to meet the requirements of industrial, commercial and medical environments.
The H178CHD is a standard five-pin lamp using a single color LED in combination with a ultraviolet (UV) substrate. Its special design utilizes a UV-transparent package to allow ultraviolet rays to pass through, creating a unique effect of both color and light. This device is ideal for use in industrial and medical settings with bright lighting and extreme environments, as its heat dissipation rates are higher than comparable types of LEDs. The H178CHD is also optimized for high power applications, meaning it can be used in applications that require a high drive current up to 20mA. Furthermore, its enhanced design provides superior optical uniformity, improved light radiation directionality and lower power for equivalent lumen output.
In terms of its working principle, the H178CHD uses a combination of semiconductor technology and illumination principles. The main component of the device is the LED light emitting diode, often referred to as the ‘light source’. This consists of a semiconductor junction between two terminals, which when an electrical current is passed through it, emits a certain frequency of light. In the case of the H178CHD, this light is created through the combination of a blue-light LED as well as ultraviolet light. This is then combined with an optical dome or lens, which helps to protect the LEDs, improve their longevity and also provides a degree of diffusion and control over the emitted light. As a result of this, the H178CHD is highly efficient and does not require additional lumen controllers or LED drivers due to its higher efficiency ratings.
Overall, the H178CHD is a specialized LED device used in industrial and medical environments for both illumination and indication applications. It is specifically optimized for maximum performance in high power and extreme environment applications, with high levels of dissipated heat, due to its enhanced design. This is further complemented by its use of a combination of both blue and UV emissions, which provides superior optical uniformity, improved light radiation directionality and lower power dissipation rates. As a result, this makes it the ideal choice for any application where additional controllability, robustness or isolation is required.

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