RKEF300 LITTELFUSE | Alldatasheet
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PolySwitch® PTC Devices Overcurrent Protection Device PRODUCT : RKEF300 DOCUMENT : SCD26930 REV LETTER: E REV DATE: JULY 26, 2016 PAGE NO.: 1 OF 2 © 2016 Littelfuse,Inc littelfuse.com Specifications are subject to change without notice. Revised July 26, 2016 Specification Status: Released Electrical Rating Voltage: 60V MAX Current: 40A MAX Insulating Material: Cured, Flame Retardant Epoxy Polymer Lead Material:
20 AWG Tin Plated Copper
Marking: Manufacturer’s Mark Lot Identification and Part Identification K300 TABLE I. DIMENSIONS: A B C D E MIN MAX MIN MAX MIN MAX MIN MAX MIN MAX *Rounded off approximation TABLE II. PERFORMANCE RATINGS: I HOLD RATED CURRENT CURRENT RATINGS INITIAL RESISTANCE VALUES TIME TO TRIP ONE HOUR POST-TRIP RESISTANCE STANDARD TRIP TRIPPED- STATE POWER DISSIPATION AMPERES AT 20C AMPERES AT 20C OHMS AT 20C SECONDS AT 20C, 15A OHMS AT 20C WATTS AT 20C HOLD HOLD TRIP MIN MAX MAX MAX NOMINAL Agency Recognitions: UL, TUV, CSA Reference Documents: PS300 Precedence: This specification takes precedence over documents referenced herein. Effectivity: Reference documents shall be the issue in effect on th e date of invitation for bid. CAUTION: Operation beyond the rated voltage or current may result in rupture, electrical arcing or flame. MATERIALS INFORMATION ROHS Compliant ELV Compliant Pb -Free Halogen Free* * Halogen Free refers to: Br≤900ppm, Cl≤900ppm, Br+Cl≤1500ppm. HF
PolySwitch® PTC Devices Overcurrent Protection Device PRODUCT : RKEF300 DOCUMENT : SCD26930 REV LETTER: E REV DATE: JULY 26, 2016 PAGE NO.: 2 OF 2 © 2016 Littelfuse,Inc littelfuse.com Specifications are subject to change without notice. Revised July 26, 2016 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, lifesaving, 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 ap plicable Littelfuse product documentation Warranties granted by Littelfuse shall be deemed vo id 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 .