The R12TERM card comes in handy anytime you need to insert resistors in series with a collection of LEDs. As provided, each card provides 12 circuits. However, it is easy to cut the card into separate sections with 1 to 12 circuits per section. Applications range from CTC machines requiring up to several hundred LEDs and distributed at signal locations along the right-of-way where the screw terminals make it easy to accommodate the necessary wire size change between the small wires going up the signal mast and the somewhat heavier wire running to the nearest C/MRI node.
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Note: The quoted prices for all circuit boards provided by JLC Enterprises are for the fabricated boards only, that is, without any electronic parts. All circuit boards come unassembled and less components. All holes are drilled and all circuit traces are tin plated for easy soldering. Where double-sided boards are provided, all feed through holes are plated-through. The SMINI, SUSIC, RS485, DIN32, DOUT32 and PGCC boards have solder masking on both sides, silk screen legend on component side and are factory tested against shorts and open circuits.