PolySwitch(R) PTC Devices 308 Constitution Drive Menlo Park, CA 94025-1164 Phone: 800-227-4856 www.circuitprotection.com PRODUCT: RUEF250 Overcurrent Protection Device Raychem Circuit Protection Products DOCUMENT: SCD 25174 PCN: A91311 REV LETTER: D REV DATE: JULY 27, 2007 PAGE NO.: 1 OF 1 Specification Status: Released Maximum Electrical Rating at 20C 30 VDC /100 A DC 30 VAC /70 ARMS Insulating Material: Cured, Flame Retardant Epoxy Polymer meets UL94 V-0 Requirements Lead Material: 24 AWG Tin Plated Copper Clad Steel Marking: Raychem Logo and Voltage 30 UF250 Part Identification Lot Identification (can be on back) TABLE I. DIMENSIONS: A mm: in*: B MIN MAX MIN MAX -11.4 -18.3 -(0.45) -(0.72) *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 AMPS 20C HOLD 2.50 CURRENT RATINGS AMPS AT 20C HOLD TRIP 2.50 5.00 TIME TO TRIP RESISTANCE SECONDS AT 20C,12.5A MAX 10.3 OHMS AT 20C MIN MAX 0.02 0.04 Agency Recognitions: Reference Documents: Precedence: Effectivity: CAUTION: ONE-HOUR POST-TRIP RESISTANCE STANDARD TRIP OHMS AT 20C MAX 0.07 WATTS AT 20C 1.2 UL, CSA, TUV 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 NOMINAL TRIPPED POWER DISSIPATION ELV Compliant (c) 2005, 2007 Tyco Electronics Corporation. All rights reserved. Pb-Free