59 10/02 applications overcurrent protection for 42 v power net features lead-free terminals manufacturer?s logo and type designation stamped on in white options leadless disks and leaded disks without coating available on request thermistors with diameter b 11,0 mm are also available on tape (to iec 60286-2) delivery mode cardboard strips (standard) cardboard tape reeled or in ammo pack on request general technical data max. operating voltage ( t a = 125 c) v max 1) max. operating voltage ( t 400 ms) v max,dyn 2) rated voltage v n switching cycles (typ.) n reference temperature (typ.) t ref resistance tolerance ? r n operating temperature range ( v = 0) t op ( v = v max ) t op 54 58 42 100 120 20 % ? 40/+ 125 ? 40/+ 125 vdc v vdc c c c electrical specifications and ordering codes type i n ma i s ma i smax ( v = v max ) a i r (typ.) ( v = v max ) ma r n ? r min ? ordering code c 943 750 1300 8,0 50 1,0 0,7 B59943c0120a070 c 953 430 770 6,0 40 1,8 1,2 b59953c0120a070 c 963 320 560 5,0 30 2,7 1,8 b59963c0120a070 c 973 230 410 4,0 20 4,2 2,9 b59973c0120a070 c 983 140 240 2,0 15 10,0 6,8 b59983c0120a070 tpt0647-v 3,5 max. 35 min. d b h 5 dimensions (mm) type b max ? dh max c 943 17,5 0,6 21,0 c 953 13,5 0,6 17,0 c 963 11,0 0,6 14,5 c 973 9,0 0,6 12,5 c 983 6,5 0,6 10,0 1) to iso/tc22 wd24v-1e 2) peak value of maximum dc operating voltage, incl. ripple b599*3 c 943 ? c 983 leaded disks, coated, 42 v power net overcurrent protection
60 10/02 characteristics (typical) ptc resistance r ptc versus ptc temperature t ptc (measured at low signal voltage) ptc current i ptc versus ptc voltage v ptc (measured at 25 c in still air) switching time t s versus switching current i s (measured at 25 c in still air) rated current i n versus ambient temperature t a (measured in still air) ptc r ptc t tpt0781-g ? B59943c0120a070 b59953c0120a070 b59963c0120a070 ? c 10 0 10 1 10 2 3 10 10 4 6 10 b59973c0120a070 10 _ 1 0 50 100 150 200 250 50 _ b59983c0120a070 0,1 ptc i ptc v tpt0782-p ma B59943c0120a070 b59953c0120a070 1 10 100 v b59963c0120a070 10 4 10 2 10 3 10 1 b59973c0120a070 b59983c0120a070 0 s t s i tpt0783-x a 10 _ 1 10 0 10 1 2 10 10 3 s B59943c0120a070 b59953c0120a070 b59963c0120a070 b59973c0120a070 2,5 5 7,5 10 12,5 b59983c0120a070 n, 25 ? c t n , a a t 0 tpt0784-6 ? c _ 20 0 20 40 60 80 100 140 0,2 0,4 0,6 0,8 1,0 1,2 1,4 1,6 2,0 b599*3 c 943 ? c 983 leaded disks, coated, 42 v power net overcurrent protection
herausgegeben von epcos ag unternehmenskommunikation, postfach 80 17 09, 81617 mnchen, deutschland ++49 89 636 09, fax (0 89) 636-2 26 89 ? epcos ag 2002. vervielf?ltigung, ver?ffentlichung, verbreitung und verwertung dieser broschre und ihres inhalts ohne aus- drckliche genehmigung der epcos ag nicht gestattet. bestellungen unterliegen den vom zvei empfohlenen allgemeinen lieferbedingungen fr erzeugnisse und leistungen der elek- troindustrie, soweit nichts anderes vereinbart wird. diese broschre ersetzt die vorige ausgabe. fragen ber technik, preise und lieferm?glichkeiten rich ten sie bitte an den ihnen n?chstgelegenen vertrieb der epcos ag oder an unsere vertriebsgesellschaften im ausland. bauelemente k?nnen aufgrund technischer erfordernisse gefahrstoffe ent- halten. ausknfte darber bitten wir unter angabe des betreffenden typs ebenfalls ber die zust?ndige vertriebsgesellschaft ein - zuholen. published by epcos ag corporate communications, p.o. box 80 17 09, 81617 munich, germany ++49 89 636 09, fax (0 89) 636-2 26 89 ? epcos ag 2002. reproduction, publication and dissemination of this brochure and the information contained therein without epcos? prior express consent is prohibited. purchase orders are subject to the general conditions for the s upply of products and services of the electrical and electronics industry recommended by the zvei (german electrical and el ectronic manufacturers? associ ation), unless otherwise agreed. this brochure replaces the previous edition. for questions on technology, prices and delivery please contact the sales offices of epcos ag or the international representa- tives. due to technical requirements components may contain dangerous substances. for information on the type in question please also contact one of our sales offices.
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