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| Tyco / Electronics Raychem Circuit Protection 308 Constitution Drive Menlo Park, CA 94025 Phone: 800-227-4856 Fax: 800-227-4866 PolySwitch(R) PTC Devices Overcurrent Protection Device PRODUCT: SMD250F DOCUMENT: SCD 25100 PCN: C42452 REV LETTER: C REV DATE: MARCH 28, 2005 PAGE NO.: 1 OF 1 Specification Status: Released Maximum Electrical Ratings Operating Voltage / Interrupt Current C 15V / 40A 12V / 60A 5V / 125A H Marking: B G D A E F 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 6.00 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** TIME TO TRIP** RESISTANCE VALUES OHMS AT 20C MIN MAX* 0.035 0.085 TRIPPED-STATE POWER DISSIPATION** WATTS AT 20C MAX 1.9 AMPS AT 0C HOLD TRIP 2.8 6.0 AMPS AT 20C HOLD TRIP 2.5 5.0 AMPS SECONDS AT AT 60C 20C, 8.0A HOLD TRIP MAX 1.6 3.8 25.0 * Maximum resistance is measured 1 hour after reflow. ** Values specified were determined using PCB's with 0.070"X1.5 ounce copper traces. Agency Recognition: Reference Documents: Precedence: Effectivity: CAUTION: UL, CSA and TUV PS300, E.N. SMD 1.0x 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 (c) 2005 Tyco Electronics Corporation. All rights reserved. |
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