130 dimensions unit: mm 1.0 4.40.4 4.40.4 4.5 +1.5 0 151 10.00.3 80.25 15 max. length type of wire model numbering system r38 5 31 o bl series name dc sparkover voltage type of taping 351 35x101=350v h j k o 5.7mm 6.05mm 7.5mm 10.0mm b bulk l none with lead without lead r28 r38 2 electrode arrester 3 electrode arrester r38-900-bol r38-231-bol r38-251-bol r38-351-bol r38-421-bol r38-601-bol 90 230 250 350 420 600 450 600 750 900 1,300 model number dc sparkover voltage 100v/s ~ 2,000v/s (v) 20% safety standard impulse sparkover voltage 100v/ s (v) impulse discharge current 8/20 s (a) 10,000 alternating discharge current 50hz, 1s 10 times (a) 10 impulse life test 10/1,000 s 100a (times) 300 10 4 1.5 capacitance max. (pf) insulation resistance min. (m ) electrical specifications (conforms to itu-t) ul :ul497b e139599 500v/div 1.0 1 . 0 s/div s / d i v 10 1 0 s/div s / d i v 10,000v/div 500v/div 10,000v/div 10/200 s, 20,000v surge wave form 1.2/50 s, 20,000v surge wave form r28-900-bhl break down voltage r28-231-bhl break down voltage 900v 700v safety standard file no. features applications quick response for surge. high impulse current capacity. it can withstand alternating current. excellent insulation resistance and small capacitance. recommendation of itu-t conformity. telephone, pbx, wireless base station, optical transmission equipments, catv transmission equipments, fire alarm systems and home security systems. rohs restriction complied. r38 series surge protective devices impulse absorption characteristics +0.2 -0.1
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