Tyco / Electronics PolySwitch® PTC Devices Raychem Circuit Protection 308 Constitution Drive Menlo Park, CA 94025-1164 Phone: 800-227-4856 Fax: 800-227-4866 PRODUCT: SRP420F DOCUMENT: SCD 25985 PCN: A75031 REV LETTER:A REV DATE: DECEMBER 14, 2004 PAGE NO.: 1 OF 1 Overcurrent Protection Device Specification Status: Released Electrical Rating Voltage: 30V MAX Current: 100A MAX Chip Size: 13.1 X 15.9mm Leads: Nickel 1/4H 0.125mm nominal thickness Tape: Polyester (White) 19.5mm Width Solder: Lead-free Lot Marking Ink Color (Green) Marking: ORIENTATIONMARK (Blue) Manufacturer's Mark 420 Part Identification Lot Identification TABLE I. DIMENSIONS: mm: in*: MIN 30.6 (1.20) A MAX 32.4 (1.28) MIN 12.9 (0.51) B MAX 13.6 (0.54) MIN 0.5 (0.02) C MAX 1.1 (0.04) MIN 5.0 (0.20) D MAX 7.5 (0.30) MIN 5.0 (0.20) E MAX 7.5 (0.30) MIN 6.0 (0.24) F MAX 6.7 (0.26) MIN G MAX *Rounded off approximation TABLE II. PERFORMANCE RATINGS: As measured in Muller Kelvin Clips Model BU-75K. I HOLD AMPS 20°C HOLD 4.2 CURRENT TRIP LIMITS AMPS AT 0°C HOLD TRIP 5.1 9.5 Agency Recognitions: Reference Documents: Precedence: Effectivity: CAUTION: TIME TO TRIP REFERENCE RESISTANCE AMPS AMPS AMPS SECONDS AT OHMS AT 20°C AT 60°C AT --°C 20°C,20.0A AT 20°C HOLD TRIP HOLD TRIP HOLD TRIP TYP MAX MIN MAX 4.2 7.6 3.0 5.5 ---6 0.012 0.024 ONE-HOUR POST-TRIP RESISTANCE OHMS AT 20°C MIN TYP 0.012 0.040 TRIPPEDSTATE POWER DISSIPATION WATTS AT 20°C, 30V TYP MAX -2.9 UL, TUV, CSA 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 © 2004 Tyco Electronics Corporation. All rights reserved.