SMD300 ETC2 | Alldatasheet
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192 PolySwitch Surface-mount Resettable Devices Raychem Circuit Protection
Table S3. Electrical Characteristics for Surface-mount Devices continued IH IT VMAX IMAX PD TYP Max. Time-to-Trip RMIN RTYP R1 MAX Figures for Part Number (A) (A) (V DC) (A) (W) (A) (s) ( Ω )( Ω )( Ω ) Dimensions miniSMD continued Size 4532 mm/1812 mils miniSMDE Size 11550 mm/4420 mils midSMD Size 5050 mm/2018 mils SMD Size 7555 mm/2920 mils SMD2 Size 8763 mm/3425 mils Telecom Surface-mount** 650 1.1 *F: lead-free device†Electrical characteristics determined at 25°C. These products are intended for telecom applications. Time-to-trip is typical, please see Telecom and Networking section for details. *RMS max. voltage. ****R1 MAX is measured one hour post-trip or 24 hours post-reflow at 20°C. IH = Hold current: maximum current device will pass without interruption in 20°C still air. IT = Trip current: minimum current that will switch the device from low resistance to high resistance in 20°C still air. VMAX = Maximum voltage device can withstand without damage at rated current. IMAX = Maximum fault current device can withstand without damage at rated voltage. PD = Power dissipated from device when in the tripped state in 20°C still air. R 1 MAX is measured one hour post reflow. R TYP = Typical resistance of device as supplied at 20°C unless otherwise specified.