PolySwitch® PTC Devices Tyco / Electronics Raychem Circuit Protection 308 Constitution Drive Menlo Park, CA 94025 Phone: 800-227-4856 Fax: 800-227-4866 PRODUCT: SMD125 DOCUMENT: SCD 22304 PCN: 053049 REV LETTER: H REV DATE: JUNE 3, 2002 PAGE NO.: 1 OF 1 Overcurrent Protection Device Specification Status: Released Maximum Electrical Ratings Operating Voltage / Interrupt Current C 15V / 40A 12V / 60A 5V / 125A Marking: B 125 G Manufacturer’s Mark H D Part Identification 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: 6.73 7.98 in*: (0.265) (0.314) B MIN --- C D E F G H MAX MIN MAX MIN MAX MIN MAX MIN MAX MIN MAX MIN 3.00 4.8 5.44 0.56 0.71 0.56 0.71 2.16 2.41 0.66 1.37 0.43 (0.118) (0.19) (0.214) (0.022) (0.028) (0.022) (0.028) (0.085) (0.095) (0.026) (0.054) (0.017) *Rounded off approximation TABLE II. PERFORMANCE RATINGS: CURRENT RATINGS** AMPS AT 0°C HOLD TRIP 1.50 3.00 AMPS AT 20°C HOLD TRIP 1.25 2.50 TIME TO TRIP** AMPS SECONDS AT AT 60°C 20°C, 8.0A HOLD TRIP MAX 0.85 1.7 2 RESISTANCE VALUES OHMS AT 20°C MIN MAX* 0.07 0.25 TRIPPED-STATE POWER DISSIPATION** WATTS AT 20°C MAX 1.7 * Maximum resistance is measured 1 hour after reflow. ** Values specified were determined using PCB’s with 0.070”X1.5 ounce 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.