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SMD LED Package Sizes: 2835 vs 5050 vs 3528 and PCB Selection

SMD LED Package Sizes: 2835 vs 5050 vs 3528 and PCB Selection

Figure 1. SMD LED package sizes image for PCB manufacturing review.SMD LED package sizes such as 2835, 5050, and 3528 tell you more than footprint alone: they hint at lumen output, thermal path, assembly density, and what kind of PCB the product needs underneath....

LED Placement and Orientation on PCB: Marking Guide

LED Placement and Orientation on PCB: Marking Guide

Figure 1. LED PCB example where placement and polarity orientation must be clear. An LED is a polarized component, so it only works when its positive (anode) and negative (cathode) terminals are placed the correct way around. Indicating that orientation clearly on the...

LED Placement and Orientation on PCB: Marking Guide

Concert LED Glow Stick PCB Manufacturing

Figure 1. Concert LED glow stick PCB for controllable stage light sticksQuick answer: The glow sticks an audience waves at a modern concert usually aren't chemical sticks — they're small electronic devices with RGB LEDs, a wireless receiver, and a tiny circuit board...

Aluminum LED PCB Design and DFM Guide

Aluminum LED PCB Design and DFM Guide

Figure 1. Aluminum LED PCB DesignLED junction temperature is the single variable that determines lumen depreciation rate, color shift, and time to failure. Everything in aluminum LED PCB design either contributes to or reduces junction temperature. A designer who...

Custom Aluminum LED PCB Application Guide

Custom Aluminum LED PCB Application Guide

Figure 1. Custom Aluminum LED PCBA custom aluminum LED PCB designed for an automotive tail lamp and one designed for a horticulture grow light share the same basic structure — copper circuit on dielectric on aluminum base — and almost nothing else. Power density,...

Aluminum LED PCB China Supplier Guide

Aluminum LED PCB China Supplier Guide

Figure 1. Aluminum LED PCB ChinaChina produces more than 70% of the world's aluminum LED PCBs. That concentration exists for reasons beyond low labor cost — raw material proximity, process specialization, and a component ecosystem that no other geography has...

OEM Aluminum LED PCB Production Guide

OEM Aluminum LED PCB Production Guide

Figure 1. Aluminum LED PCB OEMOEM customers for aluminum LED PCBs are a distinct category from prototype buyers and spot-order purchasers. An OEM relationship means the PCB manufacturer produces boards that carry your brand, integrate into your product line, and need...

Aluminum LED PCB Quote and Cost Guide

Aluminum LED PCB Quote and Cost Guide

Figure 1. Aluminum LED PCB QuoteAluminum LED PCB quotes from different suppliers often show a 2× price difference for apparently identical specifications. Some of that difference is margin. Most of it is specification ambiguity — suppliers quoting against different...

Custom Aluminum LED PCB Specification Guide

Custom Aluminum LED PCB Specification Guide

Figure 1. Aluminum LED PCB CustomThe term "custom aluminum LED PCB" covers a wide range of requests — from a non-standard board outline to a 3.0 W/m·K dielectric running on 3 oz copper. Not all of these requests are equally straightforward, and some advertised...

Aluminum LED PCB Factory Process Guide

Aluminum LED PCB Factory Process Guide

Figure 1. Aluminum LED PCB FactoryMost engineers receive an aluminum LED PCB as a finished panel and never see what happened to it between Gerber file submission and delivery. That gap matters, because decisions made during production — dielectric pressing...