RXEF Series - 72 & 60V PolySwitch Lead-Free Radial Leaded Resettable PPTC

RXEF
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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

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)
Voltage
(V)
Pd Typical (watts)Max Operating Temp (°C)Packaging
Method
Product
Specification
StockSamplesCompare
RXEF0050.050.1400.297.311.1205600.2285BagProduct SpecificationCheck
RXEF005-20.050.1400.297.311.1205600.2285Tape & ReelProduct SpecificationCheck
RXEF0100.10.2400.532.54.57.54600.3885BagProduct SpecificationCheck
RXEF010-10.10.2400.532.54.57.54600.3885Loose PieceProduct SpecificationCheck
RXEF010-20.10.2400.532.54.57.54600.3885Tape & ReelProduct SpecificationCheck
RXEF010-AP0.10.2400.532.54.57.54600.3885Ammo PackProduct SpecificationCheck
RXEF010S0.10.2400.532.54.57.54600.3885Loose PieceProduct SpecificationCheckOrder
RXEF0170.170.34400.673.35.2183600.4885BagProduct SpecificationCheck
RXEF017-20.170.34400.673.35.2183600.4885Tape & ReelProduct SpecificationCheck
RXEF017-AP0.170.34400.673.35.2183600.4885Ammo PackProduct SpecificationCheck
RXEF017S0.170.34400.673.35.2183600.4885BagProduct SpecificationCheckOrder
RXEF017S-20.170.34400.673.35.2183600.4885Tape & ReelProduct SpecificationCheckOrder
RXEF0200.20.4400.641.832.754.42.2720.4185BagProduct SpecificationCheck
RXEF020-20.20.4400.641.832.754.42.2720.4185Tape & ReelProduct SpecificationCheck
RXEF020-AP0.20.4400.641.832.754.42.2720.4185Ammo PackProduct SpecificationCheck
RXEF020S0.20.4400.641.832.754.42.2720.4185BagProduct SpecificationCheckOrder
RXEF020S-20.20.4400.641.832.754.42.2720.4185Tape & ReelProduct SpecificationCheck
RXEF0250.250.5400.621.251.9532.5720.4585BagProduct SpecificationCheck
RXEF025-20.250.5400.621.251.9532.5720.4585Tape & ReelProduct SpecificationCheck
RXEF025-AP0.250.5400.621.251.9532.5720.4585Ammo PackProduct SpecificationCheck
RXEF0300.30.6400.770.881.332.13720.4985BagProduct SpecificationCheck
RXEF030-20.30.6400.770.881.332.13720.4985Tape & ReelProduct SpecificationCheck
RXEF030-AP0.30.6400.770.881.332.13720.4985Ammo PackProduct SpecificationCheck
RXEF030S0.30.6400.770.881.332.13720.4985BagProduct SpecificationCheck
RXEF030S-20.30.6400.770.881.332.13720.4985Tape & ReelProduct SpecificationCheck
RXEF0400.40.8400.820.550.861.293.8720.5685BagProduct SpecificationCheckOrder
RXEF040-20.40.8400.820.550.861.293.8720.5685Tape & ReelProduct SpecificationCheck
RXEF040-AP0.40.8400.820.550.861.293.8720.5685Ammo PackProduct SpecificationCheck
RXEF040S0.40.8400.820.550.861.293.8720.5685BagProduct SpecificationCheck
RXEF040S-20.40.8400.820.550.861.293.8720.5685Tape & ReelProduct SpecificationCheck
RXEF0500.51401.290.50.771.174720.7785BagProduct SpecificationCheck
RXEF050-10.51401.290.50.771.174720.7785Loose PieceProduct SpecificationCheck
RXEF050-20.51401.290.50.771.174720.7785Tape & ReelProduct SpecificationCheck
RXEF050-AP0.51401.290.50.771.174720.7785Ammo PackProduct SpecificationCheck
RXEF050S0.51401.290.50.771.174720.7785BagProduct SpecificationCheckOrder
RXEF050S-AP0.51401.290.50.771.174720.7785Ammo PackProduct SpecificationCheck
RXEF0650.651.3401.480.310.480.725.3720.8885BagProduct SpecificationCheck
RXEF065-20.651.3401.480.310.480.725.3720.8885Tape & ReelProduct SpecificationCheck
RXEF065-AP0.651.3401.480.310.480.725.3720.8885Ammo PackProduct SpecificationCheck
RXEF065S0.651.3401.480.310.480.725.3720.8885BagProduct SpecificationCheckOrder
RXEF0750.751.5401.770.250.40.66.3720.9285BagProduct SpecificationCheck
RXEF075-20.751.5401.770.250.40.66.3720.9285Tape & ReelProduct SpecificationCheck
RXEF075-AP0.751.5401.770.250.40.66.3720.9285Ammo PackProduct SpecificationCheck
RXEF075S0.751.5401.770.250.40.66.3720.9285BagProduct SpecificationCheckOrder
RXEF0900.91.8401.590.20.310.477.2720.9985BagProduct SpecificationCheck
RXEF090-20.91.8401.590.20.310.477.2720.9985Tape & ReelProduct SpecificationCheck
RXEF090-AP0.91.8401.590.20.310.477.2720.9985Ammo PackProduct SpecificationCheck
RXEF090S0.91.8401.590.20.310.477.2720.9985Loose PieceProduct SpecificationCheck
RXEF1101.12.2402.50.150.250.388.2721.585BagProduct SpecificationCheck
RXEF110-21.12.2402.50.150.250.388.2721.585Tape & ReelProduct SpecificationCheck
RXEF110-AP1.12.2402.50.150.250.388.2721.585Ammo PackProduct SpecificationCheck
RXEF110K1.12.2402.50.150.250.388.2721.585BagProduct SpecificationCheck
RXEF110K-21.12.2402.50.150.250.388.2721.585Tape & ReelProduct SpecificationCheck
RXEF110K-AP1.12.2402.50.150.250.388.2721.585Ammo PackProduct SpecificationCheck
RXEF1351.352.7402.510.120.190.39.6721.785BagProduct SpecificationCheck
RXEF135-11.352.7402.510.120.190.39.6721.785Loose PieceProduct SpecificationCheck
RXEF135-21.352.7402.510.120.190.39.6721.785Tape & ReelProduct SpecificationCheck
RXEF135-AP1.352.7402.510.120.190.39.6721.785Ammo PackProduct SpecificationCheck
RXEF135K1.352.7402.510.120.190.39.6721.785BagProduct SpecificationCheckOrder
RXEF135K-21.352.7402.510.120.190.39.6721.785Tape & ReelProduct SpecificationCheck
RXEF135K-AP1.352.7402.510.120.190.39.6721.785Ammo PackProduct SpecificationCheck
RXEF1601.63.2402.850.090.140.2211.4721.985BagProduct SpecificationCheck
RXEF160-21.63.2402.850.090.140.2211.4721.985Tape & ReelProduct SpecificationCheck
RXEF160-AP1.63.2402.850.090.140.2211.4721.985Ammo PackProduct SpecificationCheck
RXEF160K1.63.2402.850.090.140.2211.4721.985BagProduct SpecificationCheck
RXEF160K-21.63.2402.850.090.140.2211.4721.985Tape & ReelProduct SpecificationCheck
RXEF1851.853.7403.040.080.120.1912.6722.185BagProduct SpecificationCheck
RXEF185-11.853.7403.040.080.120.1912.6722.185Loose PieceProduct SpecificationCheck
RXEF185-21.853.7403.040.080.120.1912.6722.185Tape & ReelProduct SpecificationCheck
RXEF185-AP1.853.7403.040.080.120.1912.6722.185Ammo PackProduct SpecificationCheck
RXEF185K1.853.7403.040.080.120.1912.6722.185BagProduct SpecificationCheckOrder
RXEF185K-21.853.7403.040.080.120.1912.6722.185Tape & ReelProduct SpecificationCheck
RXEF185K-AP1.853.7403.040.080.120.1912.6722.185Ammo PackProduct SpecificationCheck
RXEF2502.55403.380.050.080.1315.6722.585BagProduct SpecificationCheck
RXEF250-22.55403.380.050.080.1315.6722.585Tape & ReelProduct SpecificationCheck
RXEF250-AP2.55403.380.050.080.1315.6722.585Ammo PackProduct SpecificationCheck
RXEF250K2.55403.380.050.080.1315.6722.585BagProduct SpecificationCheck
RXEF250K-22.55403.380.050.080.1315.6722.585Tape & ReelProduct SpecificationCheck
RXEF30036403.490.040.060.119.8722.885BagProduct SpecificationCheck
RXEF300-136403.490.040.060.119.8722.885Loose PieceProduct SpecificationCheck
RXEF300-236403.490.040.060.119.8722.885Tape & ReelProduct SpecificationCheck
RXEF300-AP36403.490.040.060.119.8722.885Ammo PackProduct SpecificationCheck
RXEF300K36403.490.040.060.119.8722.885BagProduct SpecificationCheck
RXEF300K-236403.490.040.060.119.8722.885Tape & ReelProduct SpecificationCheck
RXEF3753.757.5404.50.030.050.0824723.285BagProduct SpecificationCheck
RXEF375-13.757.5404.50.030.050.0824723.285Loose PieceProduct SpecificationCheck
RXEF375K3.757.5404.50.030.050.0824723.285BagProduct SpecificationCheck
Part # Part Description RoHS Pb-free RoHS (2015/ 863/EU) Certificate REACH (SVHC’s) Declaration Halogen Free REACH (SVHC’s)
RF2577-000 RoHS No 07/21/2017 PbFree No 07/21/2017 No
07/21/2017
RF2579-000 RoHS No 07/10/2017 PbFree No 07/10/2017 No
07/10/2017
RF2678-000 RoHS No 04/26/2016 PbFree No 04/26/2016 Yes
04/26/2016
RF2622-000 RoHS No 10/10/2017 PbFree No 10/10/2017 No
10/10/2017
RF2654-000 RoHS No 05/22/2017 PbFree No 05/22/2017 No
05/22/2017
RF2670-000 RoHS No 08/03/2017 PbFree No 08/03/2017 No
08/03/2017
RF2563-000 RoHS No 01/23/2017 PbFree No 01/23/2017 Yes
01/23/2017
RF2641-000 RoHS No 08/03/2017 PbFree No 08/03/2017 No
08/03/2017
RF2662-000 RoHS No 04/12/2018 PbFree No 04/12/2018 No
04/12/2018
RF2666-000 RoHS No 07/09/2018 PbFree No 07/09/2018 No
07/09/2018
RF2674-000 RoHS No 04/26/2016 PbFree No 04/26/2016 Yes
04/26/2016
RF2564-000 RoHS No 12/01/2016 PbFree No 12/01/2016 No
12/01/2016
RF2631-000 RoHS No 07/04/2017 PbFree No 07/04/2017 No
07/04/2017
RF2664-000 RoHS No 03/04/2018 PbFree No 03/04/2018 No
03/04/2018
RF2675-000 RoHS No 04/26/2016 PbFree No 04/26/2016 Yes
04/26/2016
RF2628-000 RoHS No 07/14/2017 PbFree No 07/14/2017 No
07/14/2017
RF2657-000 RoHS No 01/22/2018 PbFree No 01/22/2018 No
01/22/2018
RF2668-000 RoHS No 04/16/2019 PbFree No 04/16/2019 Yes
04/16/2019
RF2565-000 RoHS No 07/27/2017 PbFree No 07/27/2017 No
07/27/2017
RF2633-000 RoHS No 11/08/2018 PbFree No 11/08/2018 No
11/08/2018
RF2656-000 RoHS No 12/20/2017 PbFree No 12/20/2017 Yes
12/20/2017
RF2667-000 RoHS No 04/26/2016 PbFree No 04/26/2016 Yes
04/26/2016
RF2566-000 RoHS No 01/16/2017 PbFree No 01/16/2017 No
01/16/2017
RF2634-000 RoHS No 07/28/2017 PbFree No 07/28/2017 No
07/28/2017
RF2659-000 RoHS No 04/26/2016 PbFree No 04/26/2016 Yes
04/26/2016
RF2663-000 RoHS No 09/14/2018 PbFree No 09/14/2018 Yes
09/14/2018
RF2684-000 RoHS No 04/26/2016 PbFree No 04/26/2016 Yes
04/26/2016
RF2567-000 RoHS No 12/11/2016 PbFree No 12/11/2016 No
12/11/2016
RF2676-000 RoHS No 03/12/2018 PbFree No 03/12/2018 No
03/12/2018
RF2630-000 RoHS No 07/04/2017 PbFree No 07/04/2017 No
07/04/2017
RF2614-000 RoHS No 11/03/2017 PbFree No 11/03/2017 No
11/03/2017
RF2669-000 RoHS No 04/26/2016 PbFree No 04/26/2016 Yes
04/26/2016
RF2568-000 RoHS No 04/27/2017 PbFree No 04/27/2017 No
04/27/2017
RF2627-000 RoHS No 05/21/2017 PbFree No 05/21/2017 No
05/21/2017
RF2661-000 RoHS No 02/20/2019 PbFree No 02/20/2019 No
02/20/2019
RF2671-000 RoHS No 04/26/2016 PbFree No 04/26/2016 Yes
04/26/2016
RF2569-000 RoHS No 12/11/2016 PbFree No 12/11/2016 No
12/11/2016
RF2632-000 RoHS No 07/04/2017 PbFree No 07/04/2017 No
07/04/2017
RF2660-000 RoHS No 09/06/2018 PbFree No 09/06/2018 No
09/06/2018
RF2672-000 RoHS No 04/26/2016 PbFree No 04/26/2016 Yes
04/26/2016
RF2571-000 RoHS No 10/28/2016 PbFree No 10/28/2016 Yes
10/28/2016
RF2638-000 RoHS No 07/04/2017 PbFree No 07/04/2017 No
07/04/2017
RF2665-000 RoHS No 05/08/2018 PbFree No 05/08/2018 No
05/08/2018
RF2682-000 RoHS No 04/26/2016 PbFree No 04/26/2016 Yes
04/26/2016
RF2623-000 RoHS No 12/01/2016 PbFree No 12/01/2016 No
12/01/2016
RF2690-000 RoHS No 10/28/2016 PbFree No 10/28/2016 No
10/28/2016
RF2694-000 RoHS No 04/26/2016 PbFree No 04/26/2016 Yes
04/26/2016
RF2703-000 RoHS No 08/15/2017 PbFree No 08/15/2017 No
08/15/2017
RF2706-000 RoHS No 11/08/2017 PbFree No 11/08/2017 No
11/08/2017
RF2688-000 RoHS No 04/02/2018 PbFree No 04/02/2018 No
04/02/2018
RF2640-000 RoHS No 12/01/2016 PbFree No 12/01/2016 No
12/01/2016
RF2714-000 RoHS No 06/20/2018 PbFree No 06/20/2018 Yes
06/20/2018
RF2697-000 RoHS No 09/11/2018 PbFree No 09/11/2018 Yes
09/11/2018
RF2699-000 RoHS No 08/14/2018 PbFree No 08/14/2018 No
08/14/2018
RF2701-000 RoHS No 08/10/2017 PbFree No 08/10/2017 No
08/10/2017
RF2637-000 RoHS No 12/05/2016 PbFree No 12/05/2016 No
12/05/2016
RF2689-000 RoHS No 08/10/2017 PbFree No 08/10/2017 No
08/10/2017
RF2695-000 RoHS No 06/20/2018 PbFree No 06/20/2018 Yes
06/20/2018
RF2687-000 RoHS No 05/09/2017 PbFree No 05/09/2017 No
05/09/2017
RF2715-000 RoHS No 06/20/2018 PbFree No 06/20/2018 Yes
06/20/2018
RF2635-000 RoHS No 05/29/2017 PbFree No 05/29/2017 No
05/29/2017
RF2709-000 RoHS No 06/20/2018 PbFree No 06/20/2018 Yes
06/20/2018
RF2698-000 RoHS No 01/21/2018 PbFree No 01/21/2018 No
01/21/2018
RF2708-000 RoHS No 06/20/2018 PbFree No 06/20/2018 Yes
06/20/2018
RF2705-000 RoHS No 05/29/2017 PbFree No 05/29/2017 No
05/29/2017
RF2712-000 RoHS No 06/08/2017 PbFree No 06/08/2017 No
06/08/2017
RF2710-000 RoHS No 06/20/2018 PbFree No 06/20/2018 Yes
06/20/2018
RF2649-000 RoHS No 07/27/2017 PbFree No 07/27/2017 No
07/27/2017
RF2691-000 RoHS No 10/17/2017 PbFree No 10/17/2017 Yes
10/17/2017
RF2711-000 RoHS No 06/20/2018 PbFree No 06/20/2018 Yes
06/20/2018
RF2716-000 RoHS No 07/19/2017 PbFree No 07/19/2017 No
07/19/2017
RF3186-000 RoHS No 05/31/2018 PbFree No 05/31/2018 No
05/31/2018
RF2650-000 RoHS No 12/01/2016 PbFree No 12/01/2016 Yes
12/01/2016
RF2707-000 RoHS No 02/20/2019 PbFree No 02/20/2019 No
02/20/2019
RF2693-000 RoHS No 03/14/2018 PbFree No 03/14/2018 No
03/14/2018
RF2719-000 RoHS No 06/20/2018 PbFree No 06/20/2018 Yes
06/20/2018
RF2704-000 RoHS No 02/20/2018 PbFree No 02/20/2018 No
02/20/2018
RF2702-000 RoHS No 05/22/2018 PbFree No 05/22/2018 CoC_RoHS10_RF2702-000_05-28-2018 No
05/22/2018
RF2647-000 RoHS No 12/01/2016 PbFree No 12/01/2016 Yes
12/01/2016
RF2700-000 RoHS No 06/20/2018 PbFree No 06/20/2018 Yes
06/20/2018
RF2713-000 RoHS No 12/01/2016 PbFree No 12/01/2016 No
07/28/2017
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