sbt series suppression chokes page 1 08/05/06 v1.0 features: ? a range of compact data line filters employing a high performance ferrite toroidal core. ? sb coils provide ideal countermeasures against emi. ? these chokes have a plastic carrier for ease of pcb mounting. ? employ high-performance ferrites with superior frequency characteristics. ? compact size, high-performance and low cost. ? available in tape format for automatic installation. ? enable common-mode noise suppression without influencing video signals. ? l-element circuit ensures excellent attenuation characteristics over a wide frequency range. applications: ? emi countermeasures at signal lines of personal computers, microcomputers, peripheral devices, etc. ? countermeasures against common mode noise at composite video signals. specifications: rated voltage : 50v. current rating : 500ma. test voltage : 200v dc for one minute between lines. insulation resistance : more than 10mv (100v dc, between lines). operating temperature : -25c to +70c. dimensions : millimetres circuit construction
sbt series suppression chokes page 2 08/05/06 v1.0 typical curve specification table inductance rated current (ma) inductance (1khz, 70ma) ( h) maximum dc resistance (m ? ? ) part number 40 500 35% 40 SBT-0140W 80 35% 55 sbt-0180w
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