RKEF Series - 60V PolySwitch Lead-Free Radial Leaded Resettable PPTC

RKEF
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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)
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
RKEF0500.51400.320.5290.90.860185BagProduct SpecificationCheck
RKEF050-AP0.51400.320.5290.90.860185Ammo PackProduct SpecificationCheck
RKEF0650.651.3400.250.450.721601.2585BagProduct SpecificationCheck
RKEF065-AP0.651.3400.250.450.721601.2585Ammo PackProduct SpecificationCheck
RKEF0750.751.5400.20.390.641.5601.485BagProduct SpecificationCheck
RKEF075-20.751.5400.20.390.641.5601.485Tape & ReelProduct SpecificationCheck
RKEF0900.91.8400.190.320.522601.585BagProduct SpecificationCheck
RKEF1101.12.2400.170.280.473602.285BagProduct SpecificationCheck
RKEF1351.352.7400.110.220.374.5602.385BagProduct SpecificationCheckOrder
RKEF1601.63.2400.10.20.329602.485BagProduct SpecificationCheck
RKEF1851.853.7400.060.1520.2512.6602.685BagProduct SpecificationCheck
RKEF2502.55400.040.0850.1415.6602.885BulkProduct SpecificationCheck
RKEF250K2.55400.040.0850.1415.6602.885BagProduct SpecificationCheckOrder
RKEF250K-22.55400.040.0850.1415.6602.885Tape & ReelProduct SpecificationCheck
RKEF30036400.030.050.0819.8603.285BagProduct SpecificationCheck
RKEF300-236400.030.050.0819.8603.285Tape & ReelProduct SpecificationCheck
RKEF3753.757.5400.0170.040.0622603.485BagProduct SpecificationCheck
RKEF375K3.757.5400.0170.040.0622603.485BagProduct SpecificationCheckOrder
RKEF40048400.0140.0380.0624603.785BagProduct SpecificationCheck
RKEF500510400.0120.030.052860585BagProduct SpecificationCheck
RKEF500-1510400.0120.030.052860585BulkProduct SpecificationCheck
RKEF500-2510400.0120.030.052860585Tape & ReelProduct SpecificationCheck
RKEF500K-2510400.0120.030.052860585Tape & ReelProduct SpecificationCheck
Part # Part Description RoHS Pb-free RoHS (2015/ 863/EU) Certificate REACH (SVHC’s) Declaration Halogen Free REACH (SVHC’s)
RF3054-000 RoHS No 12/10/2017 PbFree No 12/10/2017 Yes
12/10/2017
RF3361-000 RoHS No 04/26/2016 PbFree No 04/26/2016 Yes
04/26/2016
RF3363-000 RoHS No 10/16/2017 PbFree No 10/16/2017 CoC_RoHS10_RF3363-000_08-24-2018 REACH191_Declaration_RF3363-000_08-24-2018
10/16/2017
Does not Contain
RF3364-000 RoHS No 04/26/2016 PbFree No 04/26/2016 Yes
04/26/2016
RF3365-000 RoHS No 10/16/2017 PbFree No 10/16/2017 Yes
10/16/2017
RF3899-000 RoHS No 06/29/2018 PbFree No 06/29/2018 Yes
06/29/2018
RF3366-000 RoHS No 01/29/2017 PbFree No 01/29/2017 Yes
01/29/2017
RF3367-000 RoHS No 04/26/2017 PbFree No 04/26/2017 Yes
04/26/2017
RF3369-000 RoHS No 05/30/2017 PbFree No 05/30/2017 Yes
05/30/2017
RF3370-000 RoHS No 11/02/2017 PbFree No 11/02/2017 Yes
11/02/2017
RF3371-000 RoHS No 02/16/2017 PbFree No 02/16/2017 No
02/16/2017
RF3372-000 RoHS No 04/26/2017 PbFree No 04/26/2017 Yes
04/26/2017
RF3373-000 RoHS No 01/16/2018 PbFree No 01/16/2018 CoC_RoHS10_RF3373-000_08-24-2018 REACH191_Declaration_RF3373-000_08-24-2018 Yes
01/16/2018
Does not Contain
RF3374-000 RoHS No 02/16/2017 PbFree No 02/16/2017 Yes
02/16/2017
RF3796-000 RoHS No 02/07/2018 PbFree No 02/07/2018 Yes
02/07/2018
RF3375-000 RoHS No 04/26/2017 PbFree No 04/26/2017 Yes
04/26/2017
RF3376-000 RoHS No 12/13/2017 PbFree No 12/13/2017 Yes
12/13/2017
RF3377-000 RoHS No 10/10/2017 PbFree No 10/10/2017 Yes
10/10/2017
RF3058-000 RoHS No 08/02/2017 PbFree No 08/02/2017 Yes
08/02/2017
RF3378-000 RoHS No 04/02/2018 PbFree No 04/02/2018 Yes
04/02/2018
RF4481-000 RoHS No 04/26/2016 PbFree No 04/26/2016 Yes
04/26/2016
RF4451-000 RoHS No 04/26/2016 PbFree No 04/26/2016 Yes
04/26/2016
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