Multilayer The Paper Ring Gas Resin High Tg PCB

Multilayer The Paper Ring Gas Resin High Tg PCB

Shenzhen Found provides 1~32layers(include 1~8oz copper thickness PCB and HDI) PCB and PCB assembly services to a wide range of companies in the Consume , Computer, Industrial, RF products, Automotive, Securities, medical, Telecommunications and other electronics equipment markets. As a full  service turnkey supplier of custom electronics, EVERPCB can provide support from design and prototyping to new product introduction and full rate production. The main idea of running this business is to locate any potential customers around the world and extensively supplying them with good quality PCBs and related assembly services

Product Details

In some designs, the LEDs themselves are actually remote with relation to the driver electronic circuitry. There are advantages to keeping the heat from the LEDs away from the driver electronics. In some streetlight applications, the electronics are in the base and the LEDs are atop the pole. In these designs it may be appropriate to provide additional TVS devices to protect the LED strings from induced high voltages, since long wires from the driver circuitry to the LEDs will act as antennae (see TVS block after the DC/DC conversion, Figure 1).

Designs that utilize wire-bonded LED structures that are wired into long, high voltage series strings have an additional failure mode where heat cycles, or mechanical vibration causes the wire bond to break, resulting in an open circuit LED. The solution is to use open LED bypass devices (Figure 1) that will keep the balance of the string lit, bypassing the open LEDs. Without these devices, a single LED failing as an open circuit would extinguish the entire string. Some warranties may allow the failure of a certain percentage of the LEDs as long as the fixture maintains a specified minimum light output.


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Shenzhen Found Printed Circuit Board Company is a professional pcb manufacturer has over 10 years experience,we supply products with FR4 laminate(Aluminum Based and Copper Based) and high frequency board,which are used in Electronic Security,lighting,telecommunication,industrial control,Medical equipment and etcProcessing Technology: Electrolytic Foil Base Material: Copper Insulation Materials: Organic Resin Base Material/ Dielectric: Sy, Kb, Iteq, Isola, Rogers Layer: 1-22 Layers Solder Mask: Black Copper Thickness: 1oz Board Thickness: 1.6mm Min. Aperture: 0.2mm Surface Treatment: Enig


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