Tyco / Electronics Raychem Circuit Protection 308 Constitution Drive Menlo Park, CA 94025-1164 Phone: 800-227-4856 Fax: 800-227-4866 PRODUCT: SMD050-2018 Circuit Protection® PTC Devices DOCUMENT: SCD 24697 PCN: 175564 REV LETTER: E REV DATE: JANUARY 22, 2002 PAGE NO.: 1 OF 1 Overcurrent Protection Device Specification Status: Released Maximum Electrical Ratings Voltage: 57 VDC Current: 10 A C F Marking: B A05 D Manufacturer’s Mark Part Identification A E 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: 4.72 5.44 in*: (0.186) (0.214) B MIN --- C D E F MAX MIN MAX MIN MAX MIN MAX MIN MAX 1.78 4.22 4.93 0.25 0.36 0.25 0.36 0.30 0.46 (0.070) (0.166) (0.194) (0.010) (0.014) (0.010) (0.014) (0.012) (0.018) *Rounded off approximation TABLE II. PERFORMANCE RATINGS: CURRENT RATINGS** TIME TO TRIP ** AMPERES AMPERES AMPERES SECONDS AT 0°C AT 20°C AT 70°C AT 20°C, 2.5A HOLD TRIP HOLD TRIP HOLD TRIP MAX 0.70 1.61 0.55 1.20 0.36 0.67 5.0 RESISTANCE TRIPPED-STATE VALUES POWER DISSIPATION** OHMS WATTS AT AT 20°C 20°C MIN MAX* MAX 0.2 0.7 0.8 *Maximum resistance is measured 1 hour after reflow **Values specified were determined using PCB's with 0.030"x1.5ounce copper traces Reference Documents: Precedence: Effectivity: CAUTION: 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.