PolySwitch(R) PTC Devices 308 Constitution Drive Menlo Park, CA 94025-1164 Phone: 800-227-4856 www.circuitprotection.com PRODUCT: ASMD250F DOCUMENT: SCD 26584 REV LETTER: E REV DATE: DECEMBER 19, 2008 PAGE NO.: 1 OF 1 Overcurrent Protection Device Raychem Circuit Protection Products Specification Status: Released Maximum Electrical Ratings C Operating Voltage / Interrupt Current 16VDC / 40A 12VDC / 60A 5VDC / 125A B H Marking G D E F A Notes: 1. All metal surfaces are tin plated. 2. Devices cannot be wave soldered. 3. Drawing not to scale. TABLE I. DIMENSIONS: A MIN MAX mm: 8.00 9.40 in*: (0.315) (0.370) B MIN --- C D E F G H MAX MIN MAX MIN MAX MIN MAX MIN MAX MIN MAX MIN 3.00 5.99 6.71 0.56 0.71 0.56 0.71 3.68 3.94 0.66 1.37 0.43 (0.118) (0.236) (0.264) (0.022) (0.028) (0.022) (0.028) (0.145) (0.155) (0.026) (0.054) (0.017) TABLE II. PERFORMANCE RATINGS: CURRENT RATINGS** AMPS AT 0C HOLD TRIP 2.32 5.89 AMPS AT 20C HOLD TRIP 1.97 5.0 TIME TO TRIP** AMPS SECONDS AT AT 60C 25C, 9.85A HOLD TRIP MAX 1.32 3.35 30 RESISTANCE VALUES OHMS AT 25C MIN MAX* 0.035 0.085 TRIPPED-STATE POWER DISSIPATION** WATTS AT 25C TYP. 1.2 * Maximum resistance is measured 1 hour after reflow. ** Values specified were determined using PCB's with 0.120"X2.0 ounce copper traces. Reference Documents: Precedence: Effectivity: CAUTION: PS300, PS400 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 Pb-Free Halogen Free* HF * Halogen Free refers to: Br900ppm, Cl900ppm, Br+Cl1500ppm (c) 2006, 2008 Tyco Electronics Corporation. All rights reserved.