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Over the years the Optoelectronics industry has voiced its concern over the cost-effectiveness of either punching a square or drilling a round panel hole for mounting LEDs. In addition, there still remained the problem of maintaining the alignment of the square lenses mounted in round holes once assembled. VCC's SQB 400 lens mount addresses the alignment problem by using a low-profile square lens design that prevents its being turned or easily misaligned. Furthermore, this low-profile design now permits the use of a drilled rather than a square punched hole for panel mounting LEDs, a more cost-effective production method.

Installation in a standard round opening requires no tools and is accomplished by the use of light finger pressure. Just snap the lens mount through the panel and insert the LED from the rear. With this easy mounting procedure the LED can be easily replaced if necessary. Lens mounts are suitable for use on panel thicknesses from .0312" to .250". Additional features include prevention of accidental LED panel back-out and the protection of ICs against electrostatic discharge (ESD) up to 16,000 volts through the LED. The low-profile design also places the LED well back from the front panel significantly reducing the ambient light effect upon the lens while greatly increasing the apparent light output of the LED. Additionally, the viewing angle is dramatically increased up to 180 degrees for both the diffused and non-diffused T1-3/4 LEDs.

The SQB 400 square low-profile lens mount for T1-3/4 LEDs is constructed of optical quality, U.L. listed, polycarbonate thermoplastic in six colors including red, amber, green, yellow, blue and water clear. This square low-profile lens mount is designed for front panel mounting in a .250 diameter hole on .375 centers.

• SQB 400 Engineering Drawing.pdf (52)
• SQB 400 Catalog Page.pdf (87)

DESIGN - CUBELITE standard lense mounts in a square hole. Its uniform lense thickness produces an even light pattern with no dark corners. CUBELITE low profile square lense mounts in a round hole. This lense has a .070 inch max panel height and still produces 180 degree viewing angle. CUBELITE'S design permits use of either diffused or nondiffused LEDs.

VISIBILITY - CUBELITE standard square lense offers 20% more viewing area over a round indicator light. CUBELITE'S unique patented features include striated lines and fresnel rings permitting up to 180 degrees viewing angle with any stock 3mm or 5mm LED.

PROTECTION - CUBELITE helps prevent IC failures caused by electrostatic discharge (ESD). Simply walking across a carpet can generate 10,000 volts. Introduction of this ESD thru an exposed panel mounted LED is capable of damaging or destroying a semiconductor. A CUBELITE mounted LED helps guard components from ESD up to 16 kv while affording the LED physical protection.

INSTALLATION - CUBELITE, standard or low profile, requires no assembly tools; just snap into a panel opening and insert LED. Cost effective operation is complete in only 6 seconds.

SPECIFICATIONS

• MATERIAL:

• Lense - Polycarbonate Spacer - Nylon (U.L. Listed Materials) MOUNTING: Mounts thru front of panel.
• 3mm (SMQ 250) mounts in .171 ± .002 (4.34mm) round hole on 1/4" centers. Panel thickness from 1/16" to 1/8".
• 5mm (SQL 360) mounts in .250 ± .002 (6.35mm) square punched hole on 3/8" centers.
• Panel thickness from 1/16" to 1/8".
• 5mm (SQB 400) mounts in .250 ± .002 (6.35mm) round hole on 3/8" centers.
• Panel thickness from 1/32" to 1/4"; for panels less than 3/16", use SPC 125 spacer.

Please click on the links to the right for more information or request a quote!