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SC250-120 Datasheet(PDF) 1 Page - Socay Electornics Co., Ltd. |
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SC250-120 Datasheet(HTML) 1 Page - Socay Electornics Co., Ltd. |
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1 / 4 page  Radial Lead Resettable Polymer PTCs Revision September 12, 2013 1 / 4 @ SOCAY Electronics Co., Ltd. 2013 Specifications are subject to change without notice. Please refer to www.socay.com for current information. SC250 Series SOCAY Electronics Co., Ltd. www.socay.com The SC250 Series is designed to protect against short duration high voltage fault currents (power cross or power induction surge) typically found in telecom applications (250Vrms). The series can be used to help telecom networking equipment meet the protection requirements speci fied in ITU K.20 and K.21. u 0.08-0.18A hold current range u 250VAC interrupt rating u Fast time-to-trip u Binned and shorted narrow resistance ranges available u RoHS compliant, Lead-Free and Halogen-Free u Customer Premises Equipment (CPE) u Central Office (CO) / telecom centers u Power ports u LAN / WAN equipment u Access equipment Maximum Time To Trip Resistance Part Number I hold (A) I trip (A) V maxi (Vac) I max (A) P dtyp. (W) Current (A) Time (Sec.) R min (m Ω) R max (m Ω) R 1max (m Ω) SC250-080 0.08 0.16 250 3.0 0.8 0.35 4.0 11.0 22.0 33.0 SC250-090 0.09 0.18 250 3.0 0.8 0.35 5.0 9.0 18.0 27.0 SC250-110 0.11 0.22 250 3.0 1.0 1.00 0.75 6.0 12.0 16.0 SC250-120 0.12 0.24 250 3.0 1.0 1.00 1.50 4.0 8.0 16.0 SC250-120T 0.12 0.24 250 3.0 1.0 1.00 0.75 6.0 12.0 16.0 SC250-145 0.145 0.29 250 3.0 1.0 1.00 2.50 3.0 6.0 14.0 SC250-145T 0.145 0.29 250 3.0 1.0 1.00 1.50 4.5 9.0 14.0 SC250-180C 0.18 0.65 250 10.0 1.5 3.00 0.50 1.6 3.2 4.0 SC250-180S 0.18 0.65 250 10.0 1.5 3.00 0.50 1.6 3.2 4.0 I hold= Hold current: maximum current device will pass without tripping in 25°C still air. I trip= Trip current: minimum current at which the device will trip in 25°C still air. V maxi= Maximum voltage that can be safely placed across a device in its tripped state under specified fault conditions. I max= Maximum fault current device can withstand without damage at rated voltage (Vmax) Pdtyp.= Power dissipated from device when in the tripped state at 25°C still air. R min= Minimum resistance of device in initial (un-soldered) state. R max= Maximum resistance of device in initial (un-soldered) state. R 1max= Maximum resistance of device at 25°C measured one hour after tripping. Caution: Operation beyond the speci fied rating may result in damage and possible arcing and flame. Description Features Electrical Parameters Applicable |
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