EE-SPX304-W2A

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Optical sensors are transducers that measure the presence and/or intensity of visible or invisible light. Photointerrupters are a type of optical sensor that detect the presence or absence of an object between two points. The EE-SPX304-W2A is a slot type photointerrupter featuring a logic output. This device is ideal for use in many applications due to its easy-to-install slot design and low-level switching logic output.

A photointerrupter works by employing an optical source, such as a Light-Emitting Diode (LED), to send a beam of light through an opening in a stationary and a moving component. When an object passes through the open slot, the light is interrupted and the sensor is triggered to output a signal. This signal is then used by the host system to detect the presence or absence of an object.

The EE-SPX304-W2A uses an LED and integral opto-detector combination mounted on a lead frame package. The lead frame incorporates the sensing elements, which are shielded from external light by an opaque housing. This design increases the life of the device by protecting the photoreceptors from external damage and heat.

The EE-SPX304-W2A utilizes an open-collector logic output which can be used to switch a variety of devices. Loss of light causes the output to be pulled down to logic "0”, whereas a build-up of light causes the output to be switched to logic "1.” The output can switch currents up to 25mA (at 24 V). The operating voltage range of the device is from 4.5 - 30 VDC.

The EE-SPX304-W2A offers long life with a minimum of 100,000 cycles. Its small form factor of 7.62mm x 4.83mm x 5.08mm also makes it suitable for space-constrained designs. The device is RoHS compliant and offers high sensitivity with a minimum slot width of 0.04 mm.

The EE-SPX304-W2A has a wide range of potential applications. It can be used in factory automation to detect the presence of an object, such as a production part, on an assembly line. It can also be used for robotics applications, such as detecting a route deviation or to measure the speed of a robot arm. Additionally, the EE-SPX304-W2A can be used in automotive applications, such as detecting pressure changes in a series of hydraulic or pneumatic valves.

The EE-SPX304-W2A is a reliable and cost-effective optical sensing solution. Its slot-type design offers an easy-to-install alternative with a low-level logic output. It is suitable for many applications and is designed for long-term, trouble-free operation.

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