Ultra-compact solenoid valves by Lee

A new ultra-miniature, high density interface (HDI) two-port latching solenoid valve has been released from Lee Products.

The valves are well-suited for OEM applications demanding ultra-low energy consuming components that generate minimal heat and are as compact as possible.

They weigh less than 2.5g and measure at 27mm x 7.1mm, which results in smaller manifolds.

For example, the HDI two-port NC SOV offers a 0.3” centre-to-centre spacing and so reduces the area needed for a given number of valves, which translates to space and cost savings.

The close spacing also reduces the length of the connection passages from valve to valve inside the manifold, which is particularly important when fast system response time is critical.

Available as a plug-in or face mount option, the valves have a low internal volume of 28µL for the plug-in and 34µL for the face mount, which results in a reduced carryover and so allows for faster purging and throughput.

They have an operating pressure range of inlet: Vac – 45psig, a differential of 10psid (max) and a leakage of less than 50SµL/min at 10psid pressure at the temperature of 21°C.

The valves have an operating temperature range of 4°C to 49°C and require only momentary (10 to 30ms) pulses of current to switch to and remain in each state with the polarity of voltage on each terminal pins controlling the switched position.

Other benefits are long-life expectancy (up to 250 million cycles on air depending on the seal material and application parameters), repeatability, high flow capabilities in a small package (450Lohms), and good sealing performance (max leakage of 50µL/min at 10psid on air), which equates to both weight and size savings.

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