WP7104LSRD

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LED indication is an important part of electrical engineering. Discrete LED indicators provide clear indication of system status and environmental conditions for the user. The WP7104LSRD is a component typically used in LED indication, so it is important to understand its applications field and working principle.

The WP7104LSRD is a 4mm-diameter round ultrabright LED that has a maximum power dissipation of 500 mW. It offers a large viewing angle and is available in a range of different colors. It is ideal for a wide range of applications where directional or point-source light is needed with a wide visual field. This includes indicating the status of power on/off, security alarms, and machine-control.

In terms of physical design, the WP7104LSRD is a plastic-encased LED indicator, designed for easy insertion into PCBs for optimal heat dissipation. It features four pins, typically 4 mm in size, that are designed for direct soldering onto the board. Its inner LED core is constructed from a combination of transparent epoxy resin, an LED die, and phosphor coating, making the core highly resistant to shock and vibration. The outer plastic case comes in various colors and is designed to be rugged and durable.

In terms of its working principle, the WP7104LSRD is a Bi-CMOS (CMOS plus bipolar) device. It uses pulse-width modulation (PWM) to achieve a wide range of brightness and color control. This is done by switching a DC input signal between a high and low voltage at a given frequency. This modulation is used to control the LED’s output in terms of brightness, color, and pulse rate. This allows for a wide range of brightness settings, and pulse rate for different applications.

The WP7104LSRD is designed for easy integration into existing circuits and is compatible with most logic and microprocessor circuits, making it a popular choice for LED indication. Due to its wide viewing angle and high luminosity, it is also a great choice for outdoor applications where directional or point-source lighting is needed. It is also perfect for use in automotive and aviation, owing to its shock and vibration resistance. Additionally, its compatibility with PWM makes it a great choice for applications that require precise control over brightness and color.

In summary, the WP7104LSRD is a round ultrabright LED indicator with four pins, designed for easy insertion into PCBs. It uses pulse-width modulation to achieve a wide range of brightness and color control and is compatible with logic and microprocessor circuits. Due to its wide viewing angle, high luminosity and resistance to shock and vibration, it is a great choice for many different applications, including automotive and aviation.

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