SMD185F

Tyco / Electronics Raychem Circuit Protection 308 Constitution Drive Menlo Park, CA 94025-1164 Phone: 800-227-4856 Fax: 800-227-4866 PolySwitch® PTC Devices Overcurrent Protection Device PRODUCT: SMD185F DOCUMENT: SCD 25659 PCN: 748040 REV LETTER: C REV DATE: MARCH 28, 2005 PAGE NO.: 1 OF 1 Specification Status: Released Maximum Electrical Ratings Voltage: 33VDC MAX Current: 40A MAX H B G D A E F C Marking: 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: 8.0 9.4 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 3.0 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** TIME TO TRIP** TRIPPED-STATE POWER DISSIPATION** OHMS WATTS AT AT 20°C 20°C MIN MAX* MAX 0.065 0.165 1.5 RESISTANCE VALUES AMPS AT 0°C HOLD TRIP 2.20 4.40 AMPS AT 20°C HOLD TRIP 1.85 3.60 AMPS SECONDS AT AT 60°C 20°C, 8.0A HOLD TRIP MAX 1.31 2.62 5.0 * Maximum resistance is measured 24 hours after reflow. ** Values were determined using PCB’s with 70 mil X 2 ounce copper traces. Agency Recognition: Reference Documents: Precedence: Effectivity: CAUTION: UL, CSA, TÜV 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 © 2005 Tyco Electronics Corporation. All rights reserved.