Topband: AC line bypass capacitors

[Bill Wichers]

Digikey carries the Panasonic ECQ-UL series film capacitors that are rated for use as ac line bypass caps. I've used them before in thyristor (triacs, in this case) phase control drivers. They are durable and inexpensive. 

They are generally either 250vac or 275vac rated. 

-Bill

Sent from my iPhone

On Feb 4, 2015, at 12:52 PM, "Roger Graves" <ve7vv at shaw.ca> wrote:

> My 160 TX is causing RFI to one of my baseboard heater programmable thermostats (switches modes, temperature, when I transmit). The thermostat has a 2 wire connection to 240VAC in a metal receptacle box that has a third wire common ground wire. I would like to try bypassing the AC line. Can someone suggest an appropriate (safe) capacitor for this purpose, e.g. a Digi-Key or Mouser part number? Should I use one capacitor across the 240VAC or two capacitors, one from each 120VAC line to the common wire? Thanks for the help.
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