USUR1000-503J-06

Thermistor Probes and Assemblies Surface Temperature Sensing USUR1000 Series UL Recognized Ring Lug Thermistor Assembly Description Littelfuse UL Recognized ring lug thermistor probe assemblies are manufacturing using super stable NTC chips which are potted into a ring lug housing with thermally conductive epoxy. Designed for rapid thermal response and excellent long-term stability, these devices can be used in a wide range of surface temperature sensing applications. Features • Insulated lead wire rated for 300V minimum • User selectable lead length • Ring tongue mounting hole diameter 0.145” nominal • Ring tongue mounting hole stud size #6 Dimensions 28 AWG, SINGLE CONDUCTOR INSULATED WIRE, UL RATED FOR 300 VOLTS MINIMUM & 125˚C MINIMUM Part Numbering System THERMISTOR ELEMENT POTTED IN BARREL OF RING LUG HOUSING BARREL DIAMETER: B A USUR 10 0 0 Series C No Significance F D E Note: Not all combinations of Part Number codes are available. Contact Littelfuse for details. KYNAR SHRINK SLEEVING Dim “L” is the MIN lead wire length, and is specified by the last two digits of the part number (USUR1000-xxx-xx) e.g. USUR1000-102G-03 would have a MIN lead wire length of 3” A B C D E F STRIP in 0.215" Dimensions inches.0.280" 0.615" 0.400" DIM “L” 0.250" ± 0.020" ± 0.025" ± 0.025" ± 0.250" (MIN) ± 0.070" LONG A B C 0.250” 0.215” 0.280” ± 0.070” 28 AWG, SINGLE CONDUCTOR± 0.025” ± 0.020” Strip INSULATED WIRE, THERMISTOR ELEMENT POTTED IN BARREL OF RING LUG HOUSING BARREL DIAMETER: UL RATED FOR 300 VOLTS MINIMUM STRIP 0.215" ±0.020" & 125˚C MINIMUM 0.250" ±0.070" D E F 0.615” ± 0.025” 0.400” ± 0.250” Long Dim. “L” Min. DIM “L” (MINIMUM) 0.280" ±0.025" 0.615" ±0.025" KYNAR SHRINK SLEEVING 0.400" ±0.250" LONG © 2018 Littelfuse, Inc. Revised: March 13, 2018 Specifications are subject to change without notice. 1 littelfuse.com Thermistor Probes and Assemblies Surface Temperature Sensing USUR1000 Series UL Recognized Ring Lug Thermistor Assembly Specifications Part Number Resistance Ohms @25°C Resistance Tol. ± % @ 25°C R-T Curve Beta (K) 0-50°C Max Power Rating (mW) Temperature Rating (°C) USUR1000-102G 1000 2 J 3892 20 -40 to +125 USUR1000-102H 1000 3 J 3892 20 -40 to +125 USUR1000-102J 1000 5 J 3892 20 -40 to +125 USUR1000-102K 1000 10 J 3892 20 -40 to +125 USUR1000-222G 2252 2 J 3892 20 -40 to +125 USUR1000-222H 2252 3 J 3892 20 -40 to +125 USUR1000-222J 2252 5 J 3892 20 -40 to +125 USUR1000-222K 2252 10 J 3892 20 -40 to +125 USUR1000-302G 3000 2 J 3892 20 -40 to +125 USUR1000-302H 3000 3 J 3892 20 -40 to +125 USUR1000-302J 3000 5 J 3892 20 -40 to +125 USUR1000-302K 3000 10 J 3892 20 -40 to +125 USUR1000-502G 5000 2 J 3892 20 -40 to +125 USUR1000-502H 5000 3 J 3892 20 -40 to +125 USUR1000-502J 5000 5 J 3892 20 -40 to +125 USUR1000-502K 5000 10 J 3892 20 -40 to +125 USUR1000-103G 10000 2 J 3892 20 -40 to +125 USUR1000-103H 10000 3 J 3892 20 -40 to +125 USUR1000-103J 10000 5 J 3892 20 -40 to +125 USUR1000-103K 10000 10 J 3892 20 -40 to +125 © 2018 Littelfuse, Inc. Revised: March 13, 2018 Specifications are subject to change without notice. 2 littelfuse.com Thermistor Probes and Assemblies Surface Temperature Sensing USUR1000 Series UL Recognized Ring Lug Thermistor Assembly Specifications Part Number Resistance Ohms @25°C Resistance Tol. ± % @ 25°C R-T Curve Beta (K) 0-50°C Max Power Rating (mW) Temperature Rating (°C) USUR1000-203G 20000 2 J 3892 20 -40 to +125 USUR1000-203H 20000 3 J 3892 20 -40 to +125 USUR1000-203J 20000 5 J 3892 20 -40 to +125 USUR1000-203K 20000 10 J 3892 20 -40 to +125 USUR1000-303G 30000 2 J 3892 20 -40 to +125 USUR1000-303H 30000 3 J 3892 20 -40 to +125 USUR1000-303J 30000 5 J 3892 20 -40 to +125 USUR1000-303K 30000 10 J 3892 20 -40 to +125 USUR1000-503G 50000 2 J 3892 20 -40 to +125 USUR1000-503H 50000 3 J 3892 20 -40 to +125 USUR1000-503J 50000 5 J 3892 20 -40 to +125 USUR1000-503K 50000 10 J 3892 20 -40 to +125 USUR1000-104G 100000 2 J 3892 20 -40 to +125 USUR1000-104H 100000 3 J 3892 20 -40 to +125 USUR1000-104J 100000 5 J 3892 20 -40 to +125 USUR1000-104K 100000 10 J 3892 20 -40 to +125 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 13, 2018 Specifications are subject to change without notice. 3 littelfuse.com