telecommunication protection arrestors web site: www.taychipst.com tpa seriers features bidirectional crowbar protection voltage range from 62 v to 320 v low capacitance from 12 pf to 20 pf @ 50 v low leakage current : i r = 2 a max holding current: i h = 150 ma min repetitive peak pulse current : i pp = 50 a (10/1000 s) main applications telecommunication equipment such as: analog and digital line cards (xdsl, t1/e1, isdn, ...) terminals (phone, fax, modem, ...) and central office equipment description these trisil series have been designed to protect telecommunication equipment against lightning and transient induced by ac power lines. they are available in smb and do-15 packages. benefits trisils are not subject to ageing and provide a fail safe mode in short circuit for a better protection. they are used to help equipment to meet various standards such as ul1950, iec950 / csa c22.2, ul1459 and fcc part 68. trisils have ul94 v0 approved resin. type ? v pp v rm @i rm v br @i r v bo i bo i hmin c # package ?? a v a v ma v ma ma pf stpa180 50 162 2.0 180 1.0 240 800 150 100 smb/smb(g) STPA200 50 180 2.0 200 1.0 267 800 150 100 smb/smb(g) stpa220 50 198 2.0 220 1.0 293 800 150 100 sm b/smb(g) stpa240 50 216 2.0 240 1.0 320 800 150 100 smb/smb(g) tpa180 50 162 2.0 180 1.0 240 800 150 100 do - 15 tpa200 50 180 2.0 200 1.0 267 800 150 100 do - 15 tpa220 50 198 2.0 220 1.0 293 800 150 100 do - 15 tpa240 50 216 2.0 240 1.0 320 800 150 100 do - 15 smb do - 15 e-mail: sales@taychipst.com 1 of 2
telecommunication protection arrestors e-mail: sales@taychipst.com web site: www.taychipst.com 2 of 2 tpa series figure 2: pulse waveform (10/1000s) figure 3: non repetitive surge peak on-state current versus overload duration figure 4: on-state voltage versus on-state current (typical values) figure 5: relative variation of holding current versus junction temperature figure 6: relative variation of breakover voltage versus junction temperature figure 7: relative variation of leakage current versus reverse voltage applied (typical values) 100 50 %i pp t t r p 0 t repetitive peak pulse current tr = rise time (s) tp = pulse duration time (s) 1e-2 1e-1 1e+0 1e+1 1e+2 1e+3 10 5 0 15 20 25 30 f=50hz t(s) i (a) tsm 012345678910 1 2 5 10 20 50 v (v) t i (a) t t =25c j -40 -20 0 20 40 60 80 100 120 0.0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 2.0 t (c) j i [t ] / i [t =25c] hj hj -40 -20 0 20 40 60 80 100 0.90 0.95 1.00 1.05 1.10 62 v 270 v v [t ] / v [t =25c] bo j bo j t (c) j 25 50 75 100 125 1 10 100 1000 2000 i [t ] / i [t =25c] rm j rm j v=v rrm t (c) j
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