Heatsink extrusions for LED lighting
1 May 2013
Circuit & System Protection
Ohmite Manufacturing is supplying Wakefield Solutions’ 19000 series radial-fin heatsink extrusions for LED light engines.
Developed in conjunction with an engineering team from a leading LED manufacturer, the 19000 series is designed to help LED engineers meet both space constraints and operating parameters. With a low-cost, lightweight aluminium profile, it offers high thermal performance that makes matching the right heatsink to the right LED a much less time-consuming process.
In addition to being black anodised for maximum thermal performance, the heatsinks are also constructed with a radial-fin geom-etry that has been optimised for natural convection. This design is well suited for many types of LED lighting fixtures.
Though 19000 series heatsinks are most commonly used in both recessed and externally mounted downlighting applications, they are equipped with extrusion profiles that suit a variety of LED configurations. Mounting features are in fact incorporated as part of the extrusion, so that the heatsink can be easily mounted with standard hardware.
Each extrusion profile has screw bosses located precisely to enable easy LED substrate attachment, and provisions for slip-nut attachment make it easy to assemble the heatsinks into diverse lighting fixtures.
Wakefield offers five different models of the 19000 series, each designed for a different maximum power rating and expected temperature rise above ambient temperature. Options range from a maximum 14,7°C rise for a 4,5 Watt power rating to a maximum 29,2°C rise for a 42,8 Watt power rating. All models do not exceed a maximum LED substrate temperature of 75°C, and are available in multiple sizes, weights and thermal resistances.
Heatsink lengths range from 50,8 to 190,5 mm, with diameters of 32 to 115 mm, while their weights range from 92 grams to 1199 grams. Available power ratings include 42,8; 26,3; 9; 4,5 and 24 Watts, with corresponding thermal resistances of 0,68; 1,15; 2,38; 3,27 and 1,15 C/W.
For more information visit www.ohmite.com
Further reading:
Clearing the Static: Staying grounded: Ensuring effective ESD control
Actum Electronics
Circuit & System Protection
To maintain reliable electrostatic discharge control, regular testing and accurate measurement are essential, with grounding products and ESD testing equipment being vital.
Read more...
Clearing the Static: ESD component safety in storage and transportation
Actum Electronics
Circuit & System Protection
Conductive containers create a Faraday cage effect, safely channelling electrostatic charges away from the components inside.
Read more...
Clearing the Static: Conductive foot, heel and shoe grounders
Actum Electronics
Circuit & System Protection
Conductive foot, heel and shoe grounders are used in electrostatic discharge protected areas to provide a path to ground for static electricity.
Read more...
LED driver for industrial power supply indication
Altron Arrow
Editor's Choice Circuit & System Protection
A simple and small solution for driving an LED to provide visual feedback in the presence/absence of a system’s power using a chip not originally designed for this purpose.
Read more...
Clearing the Static: Cleaning in an ESD-protected area
Actum Electronics
Circuit & System Protection
Cleaning in a protected electrostatic discharge area is a critical task to maintain the integrity of sensitive electronic components and prevent damage caused by static electricity.
Read more...
Clearing the Static: Key principles of ESD control in electronics manufacturing
Actum Electronics
Circuit & System Protection
Effectively managing electrostatic discharge is essential in electronics manufacturing to ensure not only product reliability, but also worker safety.
Read more...
Clearing the Static: Three steps for a dry ESD packaging system
Actum Electronics
Circuit & System Protection
For optimal storage, it’s essential to complete the dry-packaging system by adding Desiccant Packs and Humidity Indicator Cards.
Read more...
Ensuring safety with earth leakage protection
NewElec Pretoria
Circuit & System Protection
Earth leakage protection helps mitigate the risks of electric shocks, fires, and equipment damage by swiftly identifying faults and disconnecting the power supply, thus safeguarding both human lives and machinery.
Read more...
Suppressing EMI with filters
Vepac Electronics
Circuit & System Protection
EMI/RFI filters play an important role in reducing the high-frequency noise that is generated by various electrical and electronic devices.
Read more...
Patch attenuates like a shielding cabinet
Würth Elektronik eiSos
Circuit & System Protection
Würth Elektronik has launched its hybrid WE-EMIP EMI absorber sheet, a convenient solution for reducing electromagnetic interference by up to 40 dB.
Read more...
printer friendly version