... 2)Fast response:less than 8s 3)stable,reliable,advanced Current compensation NTC thermistor - 0.5K This is a newly ... developed NTC thermistor, which is used for current compensation in Christmas Light Strings. Function: current compensation Model Number: MJD Product Specifications:NTC ... developed Models, please contact us.More information, please contact us. Current compensation NTC thermistor - 0.5K