shenzhen hua xina n electron ics co.,ltd ( ? 8x10 mm ) 3-electrode gas discharge tubes 20 ka 1 dimension (mm) fast delivery time 3r-90 photo 2: main applications ? pci cards protection ? telephone/fax/modem protection ? single line protection ? adsl/xdsl splitter ,power supply ? surge protection device /surge protector 3:features ? 100% lead-free ( rohs compliant ) ? non-radioactive ? low capacitance ( 1pf) ? fast response-time,high insulation resistance. ? small size : ? 8x10 (mm) 4 electrical characteristics part number dc spark - over voltage @ 100v/s impulse spark - over voltage @ 1 00 v/ s impulse spark - over voltage @ 1kv/ s insulation r esistance impulse discharge current ( 8/20 s ) ac discharge current ( 50hz,1s, 10 ti mes ) capacitan ce (1mhz) v v v g 10 t imes 1 time a pf 3r-75 75 2 0 % < 500 < 600 > 1 20ka 25ka 20 1 3r-90 90 2 0 % < 500 < 600 > 1 20ka 25ka 20 1 3r-150 150 2 0 % < 500 < 600 > 1 20ka 25ka 20 1 3r-230 230 2 0 % < 600 < 700 > 1 20ka 25ka 20 1 3r-250 250 2 0 % < 600 < 700 > 1 20ka 25ka 20 1 3r-300 300 2 0 % < 800 900 > 1 20ka 25ka 20 1 3r-350 350 2 0 % < 900 1000 > 1 20ka 25ka 20 1 3r-400 400 2 0 % < 900 1000 > 1 20ka 25ka 20 1 3r-420 420 2 0 % < 900 1000 > 1 20ka 25ka 20 1 3r-470 470 2 0 % < 1100 1200 > 1 20ka 25ka 20 1 3r-500 500 2 0 % < 1100 1200 > 1 20ka 25ka 20 1 3r-600 600 2 0 % < 1 2 00 1 3 00 > 1 20ka 25ka 20 1 3r-800 8 00 2 0 % < 1300 1400 > 1 20ka 25ka 20 1 1 table continues on next page revised:february 25,2014 www.huaandz.com
shenzhen hua xina n electron ics co.,ltd ( ? 8x10 mm ) continued 1 dimension (mm) continued 20 ka with fail-safe 3r250df photo 2 electrical characteristics part number dc spark - over voltage @ 100v/s impulse spark - over voltage @ 1 00 v/ s impulse spark - over voltage @ 1kv/ s insulation r esistance impulse discharge current ( 8/20 s ) ac discharge current ( 50hz,1s, 10 ti mes ) capacitan ce (1mhz) with fail-safe v v v g 10 t imes 1 time a pf 3r75df 75 2 0 % < 500 < 600 > 1 20ka 25ka 20 1 3R90DF 90 2 0 % < 500 < 600 > 1 20ka 25ka 20 1 3r150df 150 2 0 % < 500 < 600 > 1 20ka 25ka 20 1 3r230df 230 2 0 % < 600 < 700 > 1 20ka 25ka 20 1 3r250df 250 2 0 % < 600 < 700 > 1 20ka 25ka 20 1 3r300df 300 2 0 % < 800 900 > 1 20ka 25ka 20 1 3r350df 350 2 0 % < 900 1000 > 1 20ka 25ka 20 1 3r400df 400 2 0 % < 900 1000 > 1 20ka 25ka 20 1 3r420df 420 2 0 % < 900 1000 > 1 20ka 25ka 20 1 3r470df 470 2 0 % < 1100 1200 > 1 20ka 25ka 20 1 3r500df 500 2 0 % < 1100 1200 > 1 20ka 25ka 20 1 3r600df 600 2 0 % < 1 2 00 1 3 00 > 1 20ka 25ka 20 1 3r800df 8 00 2 0 % < 1300 1400 > 1 20ka 25ka 20 1 packing quantity : 100pcs 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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