PRODUCT: TRF250-145U PolySwitch® PTC Devices 308 Constitution Drive Menlo Park, CA 94025-1164 Phone: 800-227-4856 www.circuitprotection.com Overcurrent Protection Device Raychem Circuit Protection Products DOCUMENT: SCD 26223 PCN: RF0027-000, RF0036-000 REV LETTER: D REV DATE: MAY 22, 2007 PAGE NO.: 1 OF 1 Specification Status: RELEASED Max Electrical Rating at 20°C Operating Voltage: 60VDC Interrupt Current: 3ARMS Fault Voltage: 250VRMS Lead Material: 22 AWG Sn plated copper (0.65 mm [0.026”] nominal diameter) Marking: Raychem Logo Part Identification RoHS Indication 45 F Lot Identification TABLE I. DIMENSIONS: A mm: in: Min --- B Max 6.0 (0.236) Min --- C Max 10.0 (0.394) Min --- D Max Min 3.8 4.7 (0.150) (0.185) Max --- E Nom 5.0 (0.197) F Min --- Max 6.0 (0.236) TABLE II. PERFORMANCE RATINGS @ 20°C (unless otherwise noted): IHOLD (A) ITRIP (A) RESISTANCE (Ω) TIME TO TRIP (s) @ 1A R MIN R MAX R1 MAX* 0.145 0.290 3.5 6.5 14.0 *Maximum device resistance at 20°C measured 1 hour post trip. TYP 2.0 MAX 4.0 OPERATING TEMPERATURE (°C) MIN -40 MAX 85 Additional Ratings @ 20°C Lightning Withstand: ITU-T @ 1.5kV Agency Recognition: Reference Documents: Precedence: Effectivity: CAUTION: 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 ELV Compliant © 2006, 2007 Tyco Electronics Corporation. All rights reserved. Pb-Free