Thermistor Probes and Assemblies Surface Temperature Sensing TO-220 Series Thermistor Probe Description Littelfuse offers TO220 probe assemblies suitable for a wide range of temperature sensing applications. If the electrical characteristics on this product wont work for your requirements, please contact us for further assistance. Part Numbering System TO 10 3 J 2 F Series Resistance Tolerance F = 1% J = 5% Resistance 25C K = 10% Dimensions Base Value No Significance Multiplier, power of 10 R-T Curve THIS LEAD ELECTRICALLY CONNECTED C B 3 TO MOUNTING TAB Ex. 103 = 10 x 10 = 10,000 MOUNTING HOLE Note: Not all combinations of Part Number codes are available. Contact Littelfuse for details. A D H G E F I J TINNED SOLDERABLE LEAD WIRES (TYP) L MOLDED PLASTIC K CASE Dimensions in inches. A B C D E F G H A B C D E F 0.150 0.200 0.400 0.250 0.250 0.057 0.595 0.033 0.010 0.011 0.020 0.020 MAX 0.013 0.035 0.013 0.200 0.150 C-C DIAM. 0.595 0.400 0.250 0.250 0.010 0.011 0.035 0.020 0.020 Max C-C Diam I J K L TO 220 0.050 0.165 0.020 0.531 0.006 0.025 0.005 0.031 G H I J K L 0.057 0.033 0.531 0.165 0.050 0.020 THIS LEAD ELECTRICALLY 0.150 0.011 0.595 0.013CONNECTED T0.013O MOUNTING T0.031AB 0.025 0.006DIAMETER MOUN0.005TING HOLE 0.035 0.200 0.010 0.400 C-C 0.020 METAL MOUNTING TAB 0.250 0.033 0.057 0.250 0.020 0.013 0.013 MAX 0.531 0.031 0.165 0.025 TINNED SOLDERABLE LEAD WIRES (TYP) 0.020 MOLDED 0.005 0.050 PLASTIC 0.006 CASE 2018 Littelfuse, Inc. Revised: March 2, 2018 1 littelfuse.com Specifications are subject to change without notice. Thermistor Probes and Assemblies Surface Temperature Sensing TO-220 Series Thermistor Probe Specifications Resistance Temperature Beta (K) Part Resistance Ohms R-T Temperature Tol. % Coefficient Number 25C Curve Rating (C) 0-50C 25C (% / C) 25C TO502J2J 5000 5 J -4.4 3892 -55 to +150 TO103J2F 10000 1 J -4.4 3892 -55 to +150 TO103J2J 10000 5 J -4.4 3892 -55 to +150 TO103J2K 10000 10 J -4.4 3892 -55 to +150 Disclaimer Notice - Information furnished is believed to be accurate and reliable. However, users should independently evaluate the suitability of and test each product selected for their own applications. Littelfuse products are not designed for, and may not be used in, all applications. Read complete Disclaimer Notice at: www.littelfuse.com/disclaimer-electronics 2018 Littelfuse, Inc. Revised: March 2, 2018 2 littelfuse.com Specifications are subject to change without notice.