Check this item on ebay... http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&item=160279375619 item # 160279375619 These would work great in a medium size coil circuit... They are used but not abused PULSE Capacitor.? The were manufactured in 2005 and used in a line type modulator that ran a 20KV 225PPS.