RXEF040S

PolySwitch® PTC Devices PRODUCT: RXEF040S Overcurrent Protection Device DOCUMENT: SCD26111 REV LETTER: G REV DATE: JULY 26, 2016 PAGE NO.: 1 OF 2 Specification Status: Released Electrical Rating Voltage: 72 V max (AC or DC) Current: 40 A max (AC or DC) Insulating Material: Cured, Flame Retardant Epoxy Polymer meets UL94 V-0 Requirements Lead Material: 24 AWG Tin Plated Copper Clad Steel Marking: Manufacturer’s Mark X40 and Part Identification Lot Identification TABLE I. DIMENSIONS: A B MIN MAX MIN mm: -7.6 -in*: -(0.30) -*Rounded off approximation C MAX 11.0 (0.43) 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 20C HOLD 0.40 AMPERES AT 20C HOLD TRIP 0.40 0.80 OHMS AT 20C MIN MAX 0.55 0.86 SECONDS AT 20C, 2.0A MAX 3.8 Recognitions: Reference Documents: Precedence: Effectivity: CAUTION: ONE HOUR POST-TRIP RESISTANCE STANDARD TRIP OHMS AT 20C MAX 1.29 TRIPPED- STATE POWER DISSIPATION WATTS AT 20C NOMINAL 0.56 WATTS AT 20C MAX 0.82 UL, CSA, TUV, CQC PS300 This specification takes precedence over documents referenced herein. Reference documents shall be the issue in effect on the date of invitation for bid. 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* HF * Halogen Free refers to: Br≤900ppm, Cl≤900ppm, Br+Cl≤1500ppm. © 2016 Littelfuse,Inc. Specifications are subject to change without notice. Revised July 26, 2016 littelfuse.com PolySwitch® PTC Devices Overcurrent Protection Device © 2016 Littelfuse,Inc. Specifications are subject to change without notice. Revised July 26, 2016 PRODUCT: RXEF040S DOCUMENT: SCD26111 REV LETTER: G REV DATE: JULY 26, 2016 PAGE NO.: 2 OF 2 littelfuse.com