shenzhen hua xina n electron ics co.,ltd surge absorbers smb series 1000a 1 a pplication : 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( 100m min). small size,no polarity.no dark effect. low electrode capacitance( 1 pf 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 ( m ? ) 1khz-6v(pf) smb-141n 140v (98v-182v) dc 100v >1 0 00m 1pf(max) 1000a 8 / 2 0us 1000a 1 0times smb-181n 180v (1 26 v-2 34 v) smb-201m 200v (160v-240v) smb-251m 250v (200v-300v) smb-301m 300v (240v-360v) smb-401m 400v (320v-480v) smb -471 m 470v 400v-560v SMB-501M 500v (400v-600v) dc 250v >1 0 00m sm d - 9 01m 9 00v ( 720 v- 1080 v) smb- 9 01m 9 00v ( 720 v- 1080 v) 4 dimension (mm) model series smb 2.6 0.3 4.2 0. 4 0 .4 0. 2 2.7 0. 3 0.5 max 1 revised:february 25,2014 www.huaandz.com
shenzhen huaan electron ic co.,ltd smb series 5 marking of col ou r code fast delivery time no smb series photo 6 part number description: smb 5 0 1 m dc spark-over voltage accuracy 20 dc spark-over voltage 5 00v dimension diameter 2.6 length 5.0 mm 7 packing quantity (1500pcs) shen zhen huaxinan electronics co.,ltd sale s @huaandz.com abc0734@126.com 2 revised:february 25,2014 www.huaandz.com tel: + 86-755-27465585
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