PolySwitch(R) PTC Devices 308 Constitution Drive Menlo Park, CA 94025-1164 Phone: 800-227-4856 www.circuitprotection.com PRODUCT: RXEF050 DOCUMENT: SCD 25219 PCN: A51391 REV LETTER: G REV DATE: DECEMBER 9, 2009 PAGE NO.: 1 OF 1 Overcurrent Protection Device Raychem Circuit Protection Products Specification Status: Released Electrical Rating Voltage: Current: 72V MAX 40A MAX Insulating Material: Cured, Flame Retardant Epoxy Polymer meets UL94 V-0 Requirements Lead Material: 24 AWG Tin Plated Copper Marking: 72 XF050 Manufacturer's Ma and Voltage Part Identification Lot Identification (can be on back) TABLE I. DIMENSIONS: A mm: in*: B MIN MAX MIN MAX -7.9 -13.7 -(0.31) -(0.54) *Rounded off approximation C MIN 4.3 (0.17) D MAX 5.8 (0.23) MIN 7.6 (0.30) E MAX --- MIN --- MAX 3.0 (0.12) TABLE II. PERFORMANCE RATINGS : I HOLD RATED CURRENT CURRENT RATINGS INITIAL RESISTANCE VALUES TIME TO TRIP AMPERES AT 20C HOLD 0.50 AMPERES AT 20C HOLD TRIP 0.50 1.00 OHMS AT 20C MIN MAX 0.50 0.77 SECONDS AT 20C, 2.5A MAX 4.0 ONE HOUR POST-TRIP RESISTANCE STANDARD TRIP OHMS AT 20C MAX 1.17 TRIPPEDSTATE POWER DISSIPATION WATTS AT 20C NOMINAL 0.77 Agency Recognitions: UL, CSA and TUV Reference Documents: PS300 Precedence: This specification takes precedence over documents referenced herein. Effectivity: Reference documents shall be the issue in effect on the date of invitation for bid. CAUTION: Operation beyond the rated voltage or current may result in rupture, electrical arcing or flame. SUPERSEDED Materials Information ROHS Compliant ELV Compliant (c) 2006, 2009 Tyco Electronics Corporation. All rights reserved. Pb-Free NOT the LATEST REVISION