surface mount glass tube SMB-141N-smb-901m 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) -40 c ~ + 125 c operating temperature: -40 c ~ + 85 c small size,no polarity.no dark effect features ! ! ! small capacitance and excellent insulation resistance(100m min) low electrode capacitance (1pf max). ! quick response for electrostatic,voltage and low limiting vloltage o o ! ! storage temperature: o o ! stable for repeated discharge test conditions. toammeter,water meter auto admin system,etc catv,video transceiver. pplication a for instantaneous over-volage protection to adsl,isdn, ! ! ! ! for instantaneous over-voltage protection to rs485,rs232 port, modem,fax,tel,power supplies , alarm systems for instantaneous over-voltage protection 1 of 2 ll34/ sod-80 a c b dim min max a 3.30 3.70 b 1.30 1.60 c 0.28 0.50 all dimensions in mm
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 2 of 2
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