PolySwitch® PTC Devices PRODUCT: TRF250-183US Overcurrent Protection Device 308 Constitution Drive Menlo Park, CA 94025-1164 Phone: 800-227-4856 www.circuitprotection.com Raychem Circuit Protection Products DOCUMENT: SCD 26746 PCN: REFER TO TABLE III BELOW REV LETTER: C REV DATE: MAY 29, 2007 PAGE NO.: 1 OF 1 Specification Status: Released Operating Conditions at 20°C: Maximum Continuous Operating Voltage (VMCO): 100VDC Maximum Interrupt Current (IINT ): 10ARMS Fault Ratings at 20°C: 250VRMS, 3A, 10 applications Additional Info at 20°C: • Resistance matched: N/A • Lightning withstand: 1.5 kV per ITU-T K.20, K.21 • Helps equipment meet ITU-T K.20, K.21 Lead Material: 22 AWG Sn-Plated Copper (0.65 mm [0.026”] nominal diameter) Marking: None TABLE I. DIMENSIONS: A C MIN MIN MAX MAX mm: -6.5 -3.0 in:* -(0.26) -(0.12) *Rounded off approximation D MAX 4.7 (0.19) E NOM 5.0 (0.20) MAX --- TABLE II. PERFORMANCE RATINGS @ 20°C: HOLD TRIP CURRENT CURRENT (A) (A) RESISTANCE (Ω) R MIN R MAX R1 MAX* 0.183 0.685 0.8 2.0 3.4 *Post Trip Resistance measured after one hour. TIME TO TRIP(Sec) @ 3A TYP 0.55 MAX 1.8 OPERATING TEMPERATURE (°C) MIN MAX -40 85 TRIPPED POWER DISSIPATION (W) TYP @ 100VDC 0.9 TABLE III. APPLICABLE PART DESCRIPTIONS: PART DESCRIPTION TRF250-183US Agency Recognitions: Reference Documents: Precedence: Effectivity: CAUTION: PCN # (INTERNAL ONLY) RF0771-000 PACKAGING TYPE Bulk UL (File #E74889), CSA (File #78165C), TUV 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 NOTES N/A ELV Compliant © 2007 Tyco Electronics Corporation. All rights reserved. Pb-Free