Rjc (or sometimes ThetaJC, θjc, Rth_jc), the so-called ‘junction to case’ thermal resistance, is a thermal metric that enables comparison of the thermal performance of packaged semiconductor devices from differing suppliers. The JEDEC standard JESD51-14 [1] documents a method for the experimental determination of Rjc. Although applicable for packages that exhibit a … [Read more...]
Epoxy Certified for UL 1203 Standard
UL 1203 certified epoxy for Explosion-Proof and Dust-Ignition-Proof Electrical Equipment for Use in Hazardous Locations Underwriters Laboratories (UL) 1203 is defined as the “Standard for Explosion-Proof and Dust-Ignition-Proof Electrical Equipment for Use in Hazardous (Classified) Locations”. To certify an epoxy for the UL1203, sample castings are exposed to saturated vapors … [Read more...]
Bringing LEDs & Light Pipes to Life
Introduction Whether you are in the conceptual early stage of design, making, late design stage adjustments, or doing a complete redesign of your product, we have options. Bivar leads the way in product innovation with its industry-leading family of rigid and flexible light pipe solutions originally developed to move light in different ways. Rigid light pipes are best … [Read more...]
Utilizing Boyd Coolant Distribution Units (CDUs)
Introduction Let's begin with two images that may be familiar, but will provide a very good illustration to help us frame the current market trend and why liquid cooling is on the rise. The two charts in Figure 1 show actual CPU and GPU power consumption over the years, and Figure 2 shows an overall trend in chip power. As we can see here at this point, in 2023 at 700 … [Read more...]
Designing with MLPS Part 2
Let's Dive Into the Why of MLPS To save assembly time, our modular light pipe system comes preassembled in rail and tower system (RT), and Rail, Tower, Bezel (RTB) formats. RT provides an easier way of coupling LEDs mounted in the PC board with light pipes for efficient light transmission. RTB includes a vessel that mounts on the back of the panel, helps with light pipe … [Read more...]
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