Products from the MPMN Mailbox 15152

August 1, 2005

3 Min Read
Products   from the MPMN Mailbox

Originally Published MPMN March 2005


Products from the MPMN Mailbox

LED Arrays

A supplier of custom infrared and visible LEDs has developed a 60 die LED array product line. The arrays from Opto Diode Corp. (Newbury Park, CA; have a 40˚ radiation beam angle with much higher intensity in the center of the working beam, compared to other LED arrays. The extremely bright arrays feature excellent thermal conductivity and a range of wavelengths from 405 to 870 nm. Storage and operating temperatures range from –55˚ to 100˚ C with a maximum junction temperature of 100˚ C and a thermal resistance J-C parameter of 3˚ C/W, typical. Customized, higher temperature versions of the arrays are available upon request.

Surface Mount Fuses

A high-powered surface mount fuse is RoHS compliant. The UMT 250 surface mount fuse from Schurter Inc. (Santa Rosa, CA; has a breaking capacity of 200 A at 250 V ac, 277 V ac, or 100 A at 125 V dc over a current range of 315 mA to 4 A. Measuring 10×3×3 mm, the fuse maximizes circuit protection while enabling significant advances in miniaturization. It is suitable for replacement of axial or radial lead through-hole fuses. The fuse provides similar performance, yet occupies 80% less volume than a typical microfuse or 5×20 mm cartridge fuse. The UMT 250 is solder-immersion compatible, according to IEC 60068-2-58. Its markings are clear and visual identification of rated currents is easy for pick and place.

Power Connectors

A new line of power connectors is designed to provide safe and dependable power interconnects in portable equipment of any type. Amphenol Corp. (Sidney, NY; offers its Neptune connectors for use in modular power generation equipment and modular manufacturing plants. The line of connectors includes plugs and receptacles from 30 to 400 A at 600 V, featuring the company’s patented Radsok contact system, which allows for more amperage and voltage through a smaller connector. Its lightweight, rugged aluminum hardware is precision-machined from high-tensile-strength bar stock and finished with a hard coating. Conductors are readily terminated to easily accessible pressure wire terminals. The contact inserts are interchangeable and reversible to suit specific needs.

Custom Core Pins

A full range of custom core pins with precision-ground and EDM forms is available for use in molding medical products. The core pins from Ezell Precision Tool Company (Clearwater, FL; can be manufactured with tip diameters as small as 0.002 in. and lengths to 14 in., with ±0.00005-in. tolerances and details, such as tapers, rings, vents, ribs, and spirals. Materials include tool- and powdered steel, stainless steel, and copper alloys. Molding area can be polished or plated and coated. The pins can be produced for use in molding disposable syringes, needle sheaths, closures, nipples, pipettes, IV connectors, and electronic components.

Ac Inductive Sensors

Two-wire ac inductive sensors provide a less expensive alternative to ac/dc sensors. Balluff Inc. (Florence, KY; offers the new family of sensors with a current load capacity of 500 mA. The tubular-style sensors are featured in M12 through M30 sizes, in shielded and unshielded configurations. Multiple cable lengths are available. The sensors are suitable for noncontact presence sensing of metal objects in virtually any industry application for positioning, automation, discrete control, or process monitoring.

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