WP1503SRC/D

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The ability to sense and monitor the behaviour of electro-magnetic and electro-mechanical components has become increasingly important for the safety, accuracy and reliability of modern applications. The nature of the application as well as the associated environmental circumstances dictate the type of sensing technology required for an effective solution.

A discrete LED indicator, such as the WP1503SRC/D, is commonly used for applications which require fail-safe detection of system status, such as the on/off, ready, error and process states of a motor controller. This LED is a reliable and cost-effective alternative to multiple LED arrays and can be integrated into existing equipment.

Application Field of WP1503SRC/D

The WP1503SRC/D LED indicator is suitable for industrial and commercial applications wherever there is a need to indicate system status and provide a visual feedback loop. The LED is commonly used in applications such as power supplies, motor controllers, fans, switches, industrial doors and other electro-mechanical devices.

Working Principle of WP1503SRC/D

The WP1503SRC/D LED is based on a high-efficiency monolithic design. It includes a semi-conductor diode and a series-connected resistor which are both encapsulated in a thermally conductive encapsulated package. The LED has an overall peak output power of 150mW, a forward voltage of 4.4V, and a current limit of 5mA.

The LED is activated by a control circuit, the logic of which depends on the application to be monitored and is typically supplied separately. The control circuit provides the appropriate voltage and current to the diode and receives feedback from the diode to determine the system status.

The intensity of the LED is determined by the forward voltage, the current limiting resistor, and the native resistance of the diode, and can be adjusted to meet specific requirements.

In applications where several LEDs must be illuminated simultaneously, a current-limiting diode may be connected in series with each LED to ensure that the output power remains constant. This eliminates the need for multiple resistors.

The WP1503SRC/D is designed to operate between -40°C and +125°C and can withstand high temperatures for extended periods of time without damage.

The LED is resistant to electromagnetic interference and is qualified to meet the protection requirements of EN 61347-2-7 and EN 15534-1.

WP1503SRC/D is an RoHS compliant 5mm LED that has an extended operating life of more than 25,000 hours.

Conclusion

The WP1503SRC/D is a cost-effective LED indicator designed for applications which require a visual feedback loop. It is suitable for industrial and commercial applications to indicate system status and provide a visual indication of process parameters. The LED is reliable and efficient, with an operational life of 25,000 hours or more, and is qualified to meet protection requirements. Its simple design and high performance offer customers a trusted solution to any application requiring an LED indicator.

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