Forum Discussion
westend
Nov 03, 2014Explorer
As others have posted, this a fairly easy replacement with soldering the resistor back into the circuit. Yes, Zeners don't like a lot of heat. When I solder in a circuit where there may be heat transfer issues, I attach a small alligator clamp which has a tight coil of solid copper wire on the non-clamping end. The alligator clip and wire act as a heat shunt between the joint I'm soldering and any component.
Since this is for steps, I'd assume the zener-resistor assembly may be in weather or have movement issues so anything you do to stabilize the components and leads will be a good thing. 3M and other companies make an encapsulated electrical connection piece. It is used mostly for irrigation and fountain insulation, basically a plastic tube filled with sealant that the wire connections are forced into. It is far superior to any heatshrink or butt connector connection. Diameter of the sealant tube is about 1". I have never had a connection fail in one of these tubes, even in constant immersion.
Since this is for steps, I'd assume the zener-resistor assembly may be in weather or have movement issues so anything you do to stabilize the components and leads will be a good thing. 3M and other companies make an encapsulated electrical connection piece. It is used mostly for irrigation and fountain insulation, basically a plastic tube filled with sealant that the wire connections are forced into. It is far superior to any heatshrink or butt connector connection. Diameter of the sealant tube is about 1". I have never had a connection fail in one of these tubes, even in constant immersion.
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