spsemi rev 2017 04 06 ... www.spsemi.cn page 1 of 3 gas discharge tube b8h series features electronic stability small volume, easy to placement machine operation large flow capacity, impact resistant ability static electricity capacity, good insulation reaction speed is 50 ns - 150 ns gdt/b8h series applications adsl modem fax telephone rs485 rs232 can level of protection catv power supply prevents thunder common-mode protection marking code b8h09rx internal code(default) r: with lead default: no lead nom. dc spark-over voltage vs 09:90v 15:150v 47:470v 150:1500v electrical characteristics k: 3ka l: 5ka m:10ka h: 20ka b5: 2r/5*5mm b8: 2r/8*6mm c6: 3r/6*8mm c7: 3r/7*11.5mm c8: 3r/8*10mm product name b8h09r marking code logo b8h09 marking code logo
spsemi www.spsemi.cn page 2 of 3 dimensions dimensions in millimeters electrical characteristics initial characteristics test item dc-spark-over voltage vs insulation resistance capacitance c(pf) add and measure the dc voltage gradually maxto get the discharge threshold voltage. the measuring current is 1ma/1 second max. 1sec .(1ma) measure the insulation resistance of two end of leadwire under the specified dc voltage. electrostatic capacitance under the test condition of 1khz,dc 6v(max). test method specification it depands on each spec. 100m min. 0.8pf max. packaging speci cations packaging:100 pieces bulk 802 . 602 . . 08 01 . 60 5 dc spark-over voltage (@100v/s (v) part number impulse spark-over voltage (@1kv/s) (v) nom.impulse discharge current (@8/20s) (ka) nom. alternating discharge current (@50hz) (a) capacitance (pf) insulation resistance (g) (@dc) (v) b8h07r b8h09r b8h15r b8h23r B8H35R b8h47r b8h60r 75 20 % 90 20 % 150 20 % 230 20 % 350 20 % 470 20 % 600 20 % Q 600 Q 600 Q 650 Q 650 Q 700 Q 750 Q 950 20 20 20 20 20 20 20 20 20 20 20 20 20 20 > 1 > 1 > 1 > 1 > 1 > 1 > 1 25 50 50 100 100 250 250 < 1 < 1 < 1 < 1 < 1 < 1 < 1 with wire without wire b8h07 b8h09 b8h15 b8h23 b8h35 b8h47 b8h60 gdt/b8h series rev 2017 04 06 ...
spsemi www.spsemi.cn page 3 of 3 surge characteristics test item surge withstand capability surge life test in the glass tube ends in 8/20 us surge tester, applying the model that corresponds to the impact resistance current, time interval for the 60 s of plus or minus the test 5 times. test the dc voltage, insulation resistance, static capacitance and check the appearance. apply 10kv voltage charged in 1500pf condenser and apply the current to the specimen,200 times at 10 seconds of intervals. test method specification dc spark-over voltage jse: vs/vs 30% Q within standard mentioned in initial characteristics. enviromental characteristics test item test method specification cold resistance after -403 (1000hrs) / room temp.,normal humidity(4 hrs) cycle, measure the properties. within standard mentioned in initial characteristics. within standard mentioned in initial characteristics. within standard mentioned in initial characteristics. within standard mentioned in initial characteristics. after 1252 (1000hrs) / room temp.,normal humidity(4 hrs) cycle, measure the properties. after 852 rh85%(1000hrs) / room temp.,normal humidity(4 hrs) cycle, measure the properties. 25 times repetition of cycle -403 (30 min.),roon temp., (4 min.), 1252 (30min.), room temp., normal humidity(4hrs) . heat resistance temperature resistance temperature period tensile strength bending strength resistance to soldering attachment by solder dip resistance to soldering heat by solder dip apply 2.5kgs load approximately 30 seconds, then check for pull-out and breaking of the lead wire. within standard mentioned in initial characteristics. within standard mentioned in initial characteristics. bend the lead wire, with jig which radius is 0.75~0.8mm, at the point of 2mm from the body, under 0.25 kgs load applied at the right angle the direction of theamis and get the bent lead wire back to its original poing after the procedure was repeated 2times. apply flux and immerse in molten solder, up to the point of 3mm from the body,for 5 sec. (235 5 ). wash the leadwire and check for soldering adhesion. lead wire is evenly covered by solder over 90%. apply flux and immerse in molten solder, up to the point of 3mm from the body,for 5 sec. (235 5 ). wash the leadwire and check forsoldering adhesion.) within standard mentioned in initial characteristics. gdt/b8h series rev 2017 04 06 ...
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