Product Name: 39mm Hollow Thumb-Wheel Rotary Potentiometer with LED for Function Selection of Car Air-Conditioning Model NO.: QA3901NJX0A-HA1 Brand: Soundwell Application: Audio Resistance change scale: Variable Shape: Hollow Quantity: Single Connection Type: Varistor Packaging: Surface Mount Material: Carbon Film Resistor Installation: DIP Resistor Resistance: Variable Resistor Trademark: Soundwell Transport Package: 1. Standard Export Carton with Inner Boxes Specification: 39mm Origin: China, Guangdong HS Code: 8533400000 Product Description Potentiometer Model:QA39Name:Thumb-wheel Rotary potentiometerMain Specifications:Dimensions:39mm;Rated power::0.125W;The maximum operating voltage:D.C 10VFull stalls and rotation angle:5 files 180°±5° ,8 files 225°±5°,29 files 270°±5°;The rotational torque:400±120 gf.cm;Rotation noise:47mV the following;Linearity:±3%;Operating temperature:-40ºC~85ºC;Rotational Life: more than 30,000 times;Product Features:Better operation feel hollow space additional push switch mechanism can be with LED, stalls and rotation angle has a variety to choose from.Applications:Mainly used in automobile air conditioning, it can also be used in other household appliances above, primarily as adjustable speed, adjust the temperature and so on.QA39ProductSpecificationsONE,MECHANICAL CHARACTERISTIC 1, Rotational Torque :400±120 gf.cm2,Number of detemts click:5,8,29 Click3,Shaft Stop Strength :≥ 8 Kgf.cm4,Shaft Wobble (mm p-p) :0.3mm maxTWO,ELECTRICAL CHARACTERISTIC 1,Total Resistance Range :10KΩ±20%2,Resistance Taper :B3,Rating Power :0.125W4,Max. Operating Voltage :10V DC5,Taper Tolerance At Each Position :±3%6,Insulation Resistance :50MΩ 1 Minute at DC 250V7,Dielectric Voltage :1 Minute at AC 250VTHREE,ENDURANCE CHARACTERISTIC 1,Operation Life 30,000 cycles MinNote:In this catalog,if some parame ters lr drawings are different from the "Approval sheet",it's subject to the "Approval sheet".