RUEF Series - 30V PolySwitch Lead-Free Radial Leaded Resettable PPTC

Series: RUEF
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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 shall not be used for, any purpose (including, without limitation, military, aerospace, medical, life-saving, life-sustaining or nuclear facility applications, devices intended for surgical implant into the body, or any other application in which the failure or lack of desired operation of the product may result in personal injury, death, or property damage) other than those expressly set forth in applicable Littelfuse product documentation. Warranties granted by Littelfuse shall be deemed void for products used for any purpose not expressly set forth in applicable Littelfuse documentation. Littelfuse shall not be liable for any claims or damages arising out of products used in applications not expressly intended by Littelfuse as set forth in applicable Littelfuse documentation. The sale and use of Littelfuse products is subject to Littelfuse Terms and Conditions of Sale, unless otherwise agreed by Littelfuse. "Littelfuse" includes Littelfuse, Inc., and all of its affiliate entities.

Our radial-leaded products represent the most comprehensive and complete set of PPTC products available in the industry today. RGEF series for hold currents up to 14A. RHEF series for flatter thermal derating and operating temperatures up to 125°C. RUEF series for balance of voltage rating (30V) and hold current (up to 9A). RUSBF series for fast time-to-trip and low-resistance computer applications. RXEF series for low hold currents (down to 50mA) and high voltage rating (up to 72V). RKEF series for balance of voltage rating (60V) and hold current (up to 5A). LVR series for line voltage rated applications now offering RoHS versions of all products.

Features:

  • Resettable and single-use overcurrent devices
  • Wide range of form factor and termination methods
  • Devices compatible with high-volume electronics assembly

Applications:
Consumer and Industrial

  • Satellite video receivers
  • Industrial controls
  • Transformers
  • Computer motherboards
  • Modems
  • USB hubs, ports and peripherals
  • IEEE 1394 ports
  • CD-ROMs
  • Game machines
  • Battery packs
  • Phones
  • Fax machines
  • Analog and digital line cards
  • Printers
 
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Access specifications, certifications, check availability and order parts below

Catalog #IHold (A)ITRIP
(A)		IMAX
(A)		PDMAX
(W)		RMIN
(Ω)		Rmax
(Ω)		R1max
(Ω)		Max
Time
to
Trip Time
(Sec)		Max Operating Temp (°C)Pd Typical (watts)Product
Specification		Partner ECAD ModelsStockSamplesCompare
RUEF0900.91.81000.970.070.120.225.9850.6Product SpecificationRUEF090CheckOrder
RUEF090-20.91.81000.970.070.120.225.9850.6Product SpecificationRUEF090-2CheckOrder
RUEF090-AP0.91.81000.970.070.120.225.9850.6Product SpecificationRUEF090-APCheckOrder
RUEF1101.12.21001.170.070.10.176.6850.7Product SpecificationRUEF110CheckOrder
RUEF110-21.12.21001.170.070.10.176.6850.7Product SpecificationRUEF110-2CheckOrder
RUEF110-AP1.12.21001.170.070.10.176.6850.7Product SpecificationRUEF110-APCheckOrder
RUEF110S1.12.21001.170.070.10.176.6850.7Product SpecificationRUEF110SCheckOrder
RUEF1351.352.71001.250.040.080.137.3850.8Product SpecificationRUEF135CheckOrder
RUEF135-21.352.71001.250.040.080.137.3850.8Product SpecificationRUEF135-2CheckOrder
RUEF135-AP1.352.71001.250.040.080.137.3850.8Product SpecificationRUEF135-APCheckOrder
RUEF135S1.352.71001.250.040.080.137.3850.8Product SpecificationRUEF135SCheckOrder
RUEF1601.63.21001.360.030.070.118850.9Product SpecificationRUEF160CheckOrder
RUEF160-21.63.21001.360.030.070.118850.9Product SpecificationRUEF160-2CheckOrder
RUEF160-AP1.63.21001.360.030.070.118850.9Product SpecificationRUEF160-APCheckOrder
RUEF160S1.63.21001.360.030.070.118850.9Product SpecificationRUEF160SCheckOrder
RUEF1851.853.71001.410.030.060.098.7851Product SpecificationRUEF185CheckOrder
RUEF185-11.853.71001.410.030.060.098.7851Product SpecificationRUEF185-1CheckOrder
RUEF185-21.853.71001.410.030.060.098.7851Product SpecificationRUEF185-2CheckOrder
RUEF185-AP1.853.71001.410.030.060.098.7851Product SpecificationRUEF185-APCheckOrder
RUEF185S1.853.71001.410.030.060.098.7851Product SpecificationRUEF185SCheckOrder
RUEF2502.551001.450.020.040.0710.3851.2Product SpecificationRUEF250CheckOrder
RUEF250-22.551001.450.020.040.0710.3851.2Product SpecificationRUEF250-2CheckOrder
RUEF250-AP2.551001.450.020.040.0710.3851.2Product SpecificationRUEF250-APCheckOrder
RUEF250S2.551001.450.020.040.0710.3851.2Product SpecificationRUEF250SCheckOrder
RUEF250U2.54.91002.050.0310.0440.085851.75Product SpecificationRUEF250UCheckOrder
RUEF250U-22.54.91002.050.0310.0440.085851.75Product SpecificationRUEF250U-2CheckOrder
RUEF300361002.510.020.050.0810.8852Product SpecificationRUEF300CheckOrder
RUEF300-2361002.510.020.050.0810.8852Product SpecificationRUEF300-2CheckOrder
RUEF300-AP361002.510.020.050.0810.8852Product SpecificationRUEF300-APCheckOrder
RUEF300K361002.510.020.050.0810.8852Product SpecificationRUEF300KCheckOrder
RUEF300K-2361002.510.020.050.0810.8852Product SpecificationRUEF300K-2CheckOrder
RUEF300K-AP361002.510.020.050.0810.8852Product SpecificationRUEF300K-APCheckOrder
RUEF300U361002.380.030.0480.0727852Product SpecificationRUEF300UCheckOrder
RUEF300U-2361002.380.030.0480.0727852Product SpecificationRUEF300U-2CheckOrder
RUEF400481002.680.010.030.0512.7852.5Product SpecificationRUEF400CheckOrder
RUEF400-1481002.680.010.030.0512.7852.5Product SpecificationRUEF400-1CheckOrder
RUEF400-2481002.680.010.030.0512.7852.5Product SpecificationRUEF400-2CheckOrder
RUEF400-AP481002.680.010.030.0512.7852.5Product SpecificationRUEF400-APCheckOrder
RUEF400K481002.680.010.030.0512.7852.5Product SpecificationRUEF400KCheckOrder
RUEF400K-2481002.680.010.030.0512.7852.5Product SpecificationRUEF400K-2CheckOrder
RUEF400K-AP481002.680.010.030.0512.7852.5Product SpecificationRUEF400K-APCheckOrder
RUEF5005101003.230.010.030.0514.5853Product SpecificationRUEF500CheckOrder
RUEF500-15101003.230.010.030.0514.5853Product SpecificationRUEF500-1CheckOrder
RUEF500-25101003.230.010.030.0514.5853Product SpecificationRUEF500-2CheckOrder
RUEF500K5101003.230.010.030.0514.5853Product SpecificationRUEF500KCheckOrder
RUEF500K-25101003.230.010.030.0514.5853Product SpecificationRUEF500K-2CheckOrder
RUEF500K-AP5101003.230.010.030.0514.5853Product SpecificationRUEF500K-APCheckOrder
RUEF6006121003.680.0050.020.0416853.5Product SpecificationRUEF600CheckOrder
RUEF600-16121003.680.0050.020.0416853.5Product SpecificationRUEF600-1CheckOrder
RUEF600-26121003.680.0050.020.0416853.5Product SpecificationRUEF600-2CheckOrder
RUEF600-AP6121003.680.0050.020.0416853.5Product SpecificationRUEF600-APCheckOrder
RUEF600K6121003.680.0050.020.0416853.5Product SpecificationRUEF600KCheckOrder
RUEF600K-26121003.680.0050.020.0416853.5Product SpecificationRUEF600K-2CheckOrder
RUEF600K-AP6121003.680.0050.020.0416853.5Product SpecificationRUEF600K-APCheckOrder
RUEF70071410040.0050.020.0317.5853.8Product SpecificationRUEF700CheckOrder
RUEF700-271410040.0050.020.0317.5853.8Product SpecificationRUEF700-2CheckOrder
RUEF700K71410040.0050.020.0317.5853.8Product SpecificationRUEF700KCheckOrder
RUEF700K-271410040.0050.020.0317.5853.8Product SpecificationRUEF700K-2CheckOrder
RUEF8008161004.350.0050.0130.0218.8854Product SpecificationRUEF800CheckOrder
RUEF800-18161004.350.0050.0130.0218.8854Product SpecificationRUEF800-1CheckOrder
RUEF800-28161004.350.0050.0130.0218.8854Product SpecificationRUEF800-2CheckOrder
RUEF800K8161004.350.0050.0130.0218.8854Product SpecificationRUEF800KCheckOrder
RUEF800K-28161004.350.0050.0130.0218.8854Product SpecificationRUEF800K-2CheckOrder
RUEF9009181004.910.0050.010.0220854.2Product SpecificationRUEF900CheckOrder
RUEF900-29181004.910.0050.010.0220854.2Product SpecificationRUEF900-2CheckOrder
RUEF900K9181004.910.0050.010.0220854.2Product SpecificationRUEF900KCheckOrder
RUEF900K-29181004.910.0050.010.0220854.2Product SpecificationRUEF900K-2CheckOrder
Part # Part Description RoHS Pb-free RoHS (2015/ 863/EU) Certificate REACH (SVHC’s) Declaration Halogen Free REACH (SVHC’s) IPC-Material Declaration
RF2639-000 RUEF090 RoHS No 07/04/2017 PbFree No 07/04/2017 Yes
07/04/2017
RF2629-000 RUEF090-2 RoHS No 07/04/2017 PbFree No 07/04/2017 Yes
07/04/2017
RF2642-000 RUEF090-AP RoHS No 12/20/2017 PbFree No 12/20/2017 Yes
12/20/2017
RF2624-000 RUEF110 RoHS No 01/04/2017 PbFree No 01/04/2017 Yes
01/04/2017
RF2636-000 RUEF110-2 RoHS No 08/11/2017 PbFree No 08/11/2017 Yes
08/11/2017
RF2776-000 RUEF110-AP RoHS No 04/19/2018 PbFree No 04/19/2018 Yes
04/19/2018
RF2555-000 RUEF110S RoHS No 02/20/2019 PbFree No 02/20/2019 Yes
02/20/2019
RF2644-000 RUEF135 RoHS No 01/04/2017 PbFree No 01/04/2017 Yes
01/04/2017
RF2767-000 RUEF135-2 RoHS No 11/02/2017 PbFree No 11/02/2017 Yes
11/02/2017
RF2763-000 RUEF135-AP RoHS No 04/26/2016 PbFree No 04/26/2016 Yes
04/26/2016
RF2766-000 RUEF135S RoHS No 06/16/2019 PbFree No 06/16/2019 Yes
06/16/2019
RF2645-000 RUEF160 RoHS No 10/08/2017 PbFree No 10/08/2017 Yes
10/08/2017
RF2774-000 RUEF160-2 RoHS No 06/16/2017 PbFree No 06/16/2017 Yes
06/16/2017
RF2773-000 RUEF160-AP RoHS No 12/20/2017 PbFree No 12/20/2017 Yes
12/20/2017
RF2912-000 RUEF160S RoHS No 04/26/2016 PbFree No 04/26/2016 Yes
04/26/2016
RF2559-000 RUEF185 RoHS No 06/07/2017 PbFree No 06/07/2017 Yes
06/07/2017
RF2779-000 RUEF185-1 RoHS No 03/18/2019 PbFree No 03/18/2019
RF2765-000 RUEF185-2 RoHS No 12/14/2017 PbFree No 12/14/2017 Yes
12/14/2017
RF2769-000 RUEF185-AP RoHS No 06/07/2017 PbFree No 06/07/2017 Yes
06/07/2017
RF2560-000 RUEF185S RoHS No 02/20/2019 PbFree No 02/20/2019 Yes
02/20/2019
RF2626-000 RUEF250 RoHS No 12/12/2016 PbFree No 12/12/2016 Yes
12/12/2016
RF2770-000 RUEF250-2 RoHS No 08/11/2017 PbFree No 08/11/2017 Yes
08/11/2017
RF2762-000 RUEF250-AP RoHS No 04/02/2018 PbFree No 04/02/2018 Yes
04/02/2018
RF2778-000 RUEF250S RoHS No 12/11/2017 PbFree No 12/11/2017 Yes
12/11/2017
E17350-000 RUEF250U RoHS No 12/05/2016 PbFree No 12/05/2016 Yes
12/05/2016
RF0057-000 RUEF250U-2 RoHS No 05/29/2017 PbFree No 05/29/2017 Yes
05/29/2017
RF2611-000 RUEF300 RoHS No 12/13/2016 PbFree No 12/13/2016 Yes
12/13/2016
RF2768-000 RUEF300-2 RoHS No 09/18/2017 PbFree No 09/18/2017 Yes
09/18/2017
RF2775-000 RUEF300-AP RoHS No 04/26/2016 PbFree No 04/26/2016 Yes
04/26/2016
RF2771-000 RUEF300K RoHS No 07/17/2017 PbFree No 07/17/2017 Yes
07/17/2017
RF2648-000 RUEF300K-2 RoHS No 06/13/2017 PbFree No 06/13/2017 Yes
06/13/2017
RF2783-000 RUEF300K-AP RoHS No 04/26/2016 PbFree No 04/26/2016 Yes
04/26/2016
RF0106-000 RUEF300U RoHS No 12/05/2017 PbFree No 12/05/2017 Yes
12/05/2017
RF1083-000 RUEF300U-2 RoHS No 04/26/2016 PbFree No 04/26/2016 Yes
04/26/2016
RF2561-000 RUEF400 RoHS No 12/06/2016 PbFree No 12/06/2016 Yes
12/06/2016
RF2753-000 RUEF400-1 RoHS No 11/06/2017 PbFree No 11/06/2017 Yes
11/06/2017
RF2729-000 RUEF400-2 RoHS No 03/06/2017 PbFree No 03/06/2017 Yes
03/06/2017
RF2731-000 RUEF400-AP RoHS No 02/05/2019 PbFree No 02/05/2019 Yes
02/05/2019
RF2725-000 RUEF400K RoHS No 07/09/2018 PbFree No 07/09/2018 Yes
07/09/2018
RF2726-000 RUEF400K-2 RoHS No 04/12/2018 PbFree No 04/12/2018 Yes
04/12/2018
RF2759-000 RUEF400K-AP RoHS No 10/21/2018 PbFree No 10/21/2018 Yes
10/21/2018
RF2643-000 RUEF500 RoHS No 05/30/2017 PbFree No 05/30/2017
RF2745-000 RUEF500-1 RoHS No 11/28/2017 PbFree No 11/28/2017 Yes
11/28/2017
RF2740-000 RUEF500-2 RoHS No 08/22/2017 PbFree No 08/22/2017 Yes
08/22/2017
RF2562-000 RUEF500K RoHS No 12/06/2017 PbFree No 12/06/2017 Yes
12/06/2017
RF2758-000 RUEF500K-2 RoHS No 09/25/2018 PbFree No 09/25/2018 Yes
09/25/2018
RF2724-000 RUEF500K-AP RoHS No 11/11/2018 PbFree No 11/11/2018 Yes
11/11/2018
RF2652-000 RUEF600 RoHS No 07/04/2017 PbFree No 07/04/2017 Yes
07/04/2017
RF2748-000 RUEF600-1 RoHS No 03/18/2019 PbFree No 03/18/2019
RF2733-000 RUEF600-2 RoHS No 04/26/2016 PbFree No 04/26/2016 Yes
04/26/2016
RF2722-000 RUEF600-AP RoHS No 11/11/2018 PbFree No 11/11/2018 Yes
11/11/2018
RF2728-000 RUEF600K RoHS No 07/23/2017 PbFree No 07/23/2017 Yes
07/23/2017
RF2754-000 RUEF600K-2 RoHS No 07/23/2017 PbFree No 07/23/2017 Yes
07/23/2017
RF2734-000 RUEF600K-AP RoHS No 07/23/2017 PbFree No 07/23/2017 Yes
07/23/2017
RF2653-000 RUEF700 RoHS No 07/26/2017 PbFree No 07/26/2017 Yes
07/26/2017
RF2721-000 RUEF700-2 RoHS No 05/30/2017 PbFree No 05/30/2017 Yes
05/30/2017
RF2752-000 RUEF700K RoHS No 03/18/2019 PbFree No 03/18/2019
RF2757-000 RUEF700K-2 RoHS No 11/09/2018 PbFree No 11/09/2018 Yes
11/09/2018
RF2738-000 RUEF800 RoHS No 07/04/2017 PbFree No
RF2750-000 RUEF800-1 RoHS No 03/12/2018 PbFree No 03/12/2018 Yes
03/12/2018
RF2732-000 RUEF800-2 RoHS No 04/26/2016 PbFree No 04/26/2016 Yes
04/26/2016
RF2730-000 RUEF800K RoHS No 04/26/2016 PbFree No 04/26/2016 Yes
04/26/2016
RF2743-000 RUEF800K-2 RoHS No 04/26/2016 PbFree No 04/26/2016 Yes
04/26/2016
RF2723-000 RUEF900 RoHS No 06/28/2017 PbFree No 06/28/2017 Yes
06/28/2017
RF2736-000 RUEF900-2 RoHS No 07/04/2017 PbFree No 07/04/2017 Yes
07/04/2017
RF2755-000 RUEF900K RoHS No 04/26/2016 PbFree No 04/26/2016 Yes
04/26/2016
RF2727-000 RUEF900K-2 RoHS No 09/08/2017 PbFree No 09/08/2017 Yes
09/08/2017
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