ptc thermistors for telecom mdf applications, leaded disks series/type: b59*** release: date: ? epcos ag 2003. reproduction, publication and dissemination of this data sheet, enclosures hereto and the information con- tained therein without epcos' prior express consent is prohibited. purchase orders are subject to the general conditions for the supply of products and services of the electrical and electronics in- dustry recommended by the zvei (german electrical and electronic manufacturers' association), unless otherwise agreed.
applications overcurrent protection in telecom equipment (switching systems and customer premises equipment) features compliant with itu-t k20, k21, k45 basic level lightning surges (10/700 s) basic level power induction (600 v, 1 a, 0.2 s) power contact criteria a/b (230 v, 15 min.) suitable for continuous connection to mains voltages of 110/230 vac in tripped (high ohmic) condition narrow resistance tolerance options alternative tolerances and resistances on request delivery mode cardboard tape, reeled (standard) or in ammo pack (on request); cardboard strips (on request) exception: b1610, cardboard strips (standard), cardboard tape or ammo pack on request dimensional drawings kinked leads straight leads dimensions (mm) type leads b max h max s max b1048 kinked 7.7 12.0 5.0 b1042 kinked 8.2 12.1 4.0 b1610 kinked 10.2 13.1 5.0 b1012 kinked 6.0 10.0 4.0 b1084 kinked 6.6 9.5 4.0 b1048 straight 7.7 7.7 5.0 type leads b max h max s max b1042 straight 8.2 8.2 4.0 b1012 straight 6.0 6.0 4.0 b1084 straight 6.6 6.6 5.0 b1069 straight 5.2 5.2 3.2 b1069 straight 5.2 5.2 3.2 telecom b59*** mdf applications, leaded disks b1*** 2
general technical data rated voltage v r 60 vdc max. switching voltage v smax 265 vac tolerance of r r d r r 20 % operating temperature range (v = 0) t op 25/+125 c (v = 230 v) t op 0/+60 c electrical specifications and ordering codes type r r w r 25,match (per packing unit) w i r @ 25 c ma i r @ 40 c ma i s @ 25 c ma i smax @ 230 vac a t s @ i smax , 230 vac s ordering code leads = kinked b1012 12 0.5 100 85 300 1.0 < 2.0 b59012b1080a151 b1042 10 0.5 150 135 300 1.0 < 7.0 b59042b1120b151 b1048 6 0.4 150 120 250 2.5 < 1.8 b59048b1080b151 b1084 20 0.25 145 100 250 3.0 < 0.2 b59084b1120a151 b1610 10 not matched 150 135 300 10.0 < 0.2 b59610b1120a070 leads = straight b1012 12 0.5 100 85 300 1.0 < 2.0 B59012B1080A153 b1042 10 0.5 150 135 300 1.0 < 7.0 b59042b1120b153 b1048 6 0.4 150 120 250 2.5 < 1.8 b59048b1080b153 b1069 25 not matched 85 75 170 1.0 < 0.7 b59069b1120a051 b1069 25 not matched 55 45 110 1.0 < 0.4 b59069b1080b051 b1084 20 0.25 145 100 250 3.0 < 0.2 b59084b1120a153 telecom b59*** mdf applications, leaded disks b1*** 3
characteristics (typical) ptc resistance r ptc versus ptc temperature t ptc (measured at low signal voltage) ptc resistance r ptc versus ptc temperature t ptc (measured at low signal voltage) rated current i r versus ambient temperature t a (measured in still air) telecom b59*** mdf applications, leaded disks b1*** 4
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