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SMB-471M Scheda tecnica(PDF) 1 Page - HuaXinAn Electronics CO.,LTD |
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SMB-471M Scheda tecnica(HTML) 1 Page - HuaXinAn Electronics CO.,LTD |
1 / 2 page ShenZhen HuaXinAn Electronics Co.,Ltd Surge Absorbers SMB Series 1000A 1 Application: Fast Delivery Time ·For instantaneous over-voltage protection to ADSL,ISDN,MODEM,FAX,TEL,Power Supplies,Alarm systems. ·For instantaneous over-voltage protection to RS485,RS232 port, CATV,video transceiver. ·For instantaneous over-voltage protection to ammeter,water meter auto admin system, etc 2 Features ·Small capacitance and excellent insulation resistance(100MΩ min). ·Small size,No polarity.No dark effect. ·Low electrode capacitance(1pF max). ·Quick response for electrostatic,surge voltage and low limiting voltage. ·Stable for repeated discharge test conditions. ·Operating temperature: -40℃ ~ +85℃. Storage temperature: -40℃ ~ +125℃. 3 Electrical Characteristics Part Number DC Spark-Over Voltage Vs(V) Nominal value (min-max) Insulation Resistance Capacitance of electrostatic Surge current capacity 8/20us Surge Life Test Test voltage IR (MΩ) 1KHz-6V(PF) SMB-141N 140V (98V-182V) DC100V >1000MΩ 1PF(MAX) 1000A 8/20us 1000A 10times SMB-181N 180V (126V-234V) SMB-201M 200V (160V-240V) SMB-251M 250V (200V-300V) SMB-301M 300V (240V-360V) SMB-401M 400V (320V-480V) SMB-471M 470V ( 400V-560V) SMB-501M 500V (400V-600V) DC250V >1000MΩ SMD-901M 900V (720V-1080V) SMB-901M 900V (720V-1080V) 4 Dimension(mm): Model Series ① ② ③ ④ ⑤ SMB Φ2.6±0.3 4.2±0.4 0.4±0.2 Φ2.7±0.3 0.5 Max 1 Revised:February 25,2014 www.huaandz.com |
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