RHEF Series - 16V PolySwitch High-Temperature Lead-Free Radial Leaded Resettable PPTC

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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.


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

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
Trip Time
Pd Typical (watts)Max Operating Temp (°C)Product
RHEF0500.50.9400.480.781.12.5300.9125Product SpecificationCheck
RHEF050-20.50.9400.480.781.12.5300.9125Product SpecificationCheck
RHEF050-AP0.50.9400.480.781.12.5300.9125Product SpecificationCheck
RHEF0700.71.4400.30.540.83.2301.4125Product SpecificationCheck
RHEF070-20.71.4400.30.540.83.2301.4125Product SpecificationCheck
RHEF070-AP0.71.4400.30.540.83.2301.4125Product SpecificationCheck
RHEF10011.8400.180.30.435.2301.4125Product SpecificationCheck
RHEF100-211.8400.180.30.435.2301.4125Product SpecificationCheck
RHEF100-AP11.8400.180.30.435.2301.4125Product SpecificationCheck
RHEF10001018.51000.00620.01050.0159165.3125Product SpecificationCheck
RHEF1000-21018.51000.00620.01050.0159165.3125Product SpecificationCheck
RHEF110011201000.00550.0090.01311165.5125Product SpecificationCheck
RHEF130013241000.00410.00690.0113166.9125Product SpecificationCheck
RHEF1300-213241000.00410.00690.0113166.9125Product SpecificationCheck
RHEF140014271000.0030.0060.00913166.9125Product SpecificationCheck
RHEF150015281000.00320.006130.009220167125Product SpecificationCheck
RHEF1500-215281000.00320.006130.009220167125Product SpecificationCheck
RHEF20023.81000.0450.0740.114.3161.4125Product SpecificationCheck
RHEF200-223.81000.0450.0740.114.3161.4125Product SpecificationCheck
RHEF300361000.0330.0530.0795163125Product SpecificationCheck
RHEF40047.51000.0240.040.065163.3125Product SpecificationCheck
RHEF400-247.51000.0240.040.065163.3125Product SpecificationCheck
RHEF4504.57.81000.0220.0360.0543163.6125Product SpecificationCheck
RHEF450-24.57.81000.0220.0360.0543163.6125Product SpecificationCheck
RHEF5505.5101000.0150.0250.0376163.5125Product SpecificationCheck
RHEF600610.81000.0130.02150.0325164.1125Product SpecificationCheck
RHEF600-2610.81000.0130.02150.0325164.1125Product SpecificationCheck
RHEF6506.5121000.0110.01750.0265.5164.1125Product SpecificationCheckOrder
RHEF650-26.5121000.0110.01750.0265.5164.1125Product SpecificationCheck
RHEF7007131000.010.01640.0257164125Product SpecificationCheckOrder
RHEF7507.513.11000.00940.01530.0227164.5125Product SpecificationCheck
RHEF750-27.513.11000.00940.01530.0227164.5125Product SpecificationCheck
RHEF8008151000.0080.01350.028164.2125Product SpecificationCheckOrder
RHEF900916.51000.00740.0120.01710165125Product SpecificationCheckOrder