I found this module via Ebay last week,and got one yeaterday,for
lighting up 6 IN-18 tubes at the same time,the module chip,the
mosfet,the transform get almost no heat,unbelieveable.
Efficiency:92.3%;
check it via:
http://www.ebay.com/itm/221413519989
------------details from the website-----------
http://nixietubeclock.blogspot.tw/
Typical Parameters(Test by Lamp lighting):
Input:12V D...@1.14A (13.68W)
Output:176...@71.5mA(12.6269W)
Efficiency:92.3%;
Output setting:Adjustable with a single trimmer resistor;(Bourns 3224W)
Module size: 48mm*44mm*12mm(DC headers are not included);