0603 LED range for low current, low light applications
Rohm has launched a series of 0603-size (0.6inch × 0.3inch) / 1608-size (1.6 mm × 0.8 mm) LEDs for industrial low-light applications.
The CSL1901 series is aimed at indicators and numeric displays in PLCs for factory automation and communication control equipment such as modems and routers
Rohm has optimised the 0603 LED range for these low light applications with low current drive by using in-house element technology to customize the light-emitting layer of the device.
The design reduces visual variations in brightness and colour under low-light conditions by optimizing element characteristics of light emission at 2mA using original device technology.
Using standard LEDs that operate at 20mA, the low current results in brightness and colour differences that vary from part to part. Compared to existing products at 2mA, the new LEDs reduce brightness variations by half and colour sifting by 3nm, minimizing design man-hours required for light emission while improving visibility in indicators and numeric displays.
The range of five colours also helps with replacement due to application and model changes.
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