Product category:
Circuit Protection Devices
News Release from: Flint | Subject: Semitron AK series
Edited by the Electronicstalk Editorial
Team on 20 March 2002
Diodes provide compact surge protection
Flint has a new range of transient voltage suppression devices providing superior high-current surge protection in less one-twelfth the space occupied by traditional silicon avalanche diodes.
Flint has a new range of transient voltage suppression devices, providing superior high-current surge protection in less one-twelfth the space occupied by traditional silicon avalanche diodes Specially designed for use in demanding applications (AC or DC), the Semitron AK series of diodes from Flint is available in voltage ratings from 58 to 380V, providing clamping voltages from 115V at 6kA up to 569V at 10kA
This article was originally published on Electronicstalk on 22 Feb 2001 at 8.00am (UK)
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As well as very low clamping voltage, the AK series features an extremely fast response time and long service life.
The bidirectional multijunction devices incorporate Semitron's advanced Foldbak technology and may be connected in series or parallel to create very high capacity protection solutions.
Typical applications are for protecting sensitive telecommunications systems from transients induced by lightning, power cross and inductive load switching.
The AK series offers particular advantages where the use of the alternative breakover devices would cause nuisance latch-up.
Latch-up can occur due to the conduction follow-on current supplied by the DC system - for example, the battery used in telecomms systems - after the breakover device has responded to a transient.
With Semitron's advanced Foldbak technology, foldback characteristics of the diodes are employed to reduce clamping of the DC current, so latch-up is eliminated.
The new diodes come in small packages - 10mm long for 170V versions and 16.5mm for the 380V devices - for assembly on 24mm lead centres.
All carry UL approvals.
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