PRODUCT: TRF250-080U PolySwitch(R) 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 26315 PCN: REFER TO TABLE III BELOW REV LETTER: E REV DATE: MAY 25, 2007 PAGE NO.: 1 OF 1 Specification Status: RELEASED Maximum Operating Voltage: 60VDC Fault Ratings at 20C: 250 VRMS, 3A, 10 applications Additional Info at 20C: Resistance matched: N/A Lightning withstand: ITU-T @ 1.0KV Helps equipment meet ITU-T K.20/K.21 specifications Lead Material: 22 AWG Tin-Plated Copper (0.65 mm [0.026"] nominal diameter) Marking: None TABLE I. DIMENSIONS A Min Max Min mm: -4.8 -in*: -(0.19) -*Rounded off approximation B C Max 9.30 (0.37) Min --- D Max 3.8 (0.15) Min 4.7 (0.19) Max --- E Nom 5.0 (0.20) TABLE II. PERFORMANCE RATINGS @ 20C (unless otherwise noted): HOLD TRIP CURRENT CURRENT (A) (A) RESISTANCE () TIME TO TRIP(Sec) @ 0.35A OPERATING TEMPERATURE (C) R MIN R MAX R1 MAX* TYP MAX MIN MAX 0.080 0.160 14.0 20.0 33.0 2.5 4.0 -40 85 *Maximum device resistance at 20C measured 1 hour post trip and 24 hours post reflow TRIPPED POWER DISSIPATION (W) TYP @ 60VDC 0.6 TABLE III. APPLICABLE PART DESCRIPTIONS: PART DESCRIPTION PCN # (INTERNAL USE ONLY) PACKAGING TYPE NOTES TRF250-080U TRF250-080U-2 RF0125-000 RF0530-000 Bulk Tape and Reel N/A Dim. D not applicable Agency Recognitions: Reference Documents: Precedence: Effectivity: CAUTION: UL, CSA, TUV UL File #E74889, CSA File #78165C Raychem PS300, ITU-T K.20/K.21 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 (c) 2007 Tyco Electronics Corporation. All rights reserved. Pb-Free