(SGT2xBxx) Unidirectional Transient Surge Suppressors
SGT23B13, SGT27B13, SGT27B27
Data Sheet July 1999 File Number 3603.3
[ /Title (SGT2 3B13, SGT27 B13, SGT27 B27) /Subjec...
Description
SGT23B13, SGT27B13, SGT27B27
Data Sheet July 1999 File Number 3603.3
[ /Title (SGT2 3B13, SGT27 B13, SGT27 B27) /Subject (Bidirectional Transient Surge Suppressors (Surge ctor)) /Autho r () /Keywords (Surge ctor, TVS, Transient Suppression, Protection, Telecom,
Bidirectional Transient Surge Suppressors (TO-202 Surgector)
These surgector devices are designed to protect telecommunication equipment, data links, alarm systems, power supplies and other sensitive electrical circuits from damage by switching transients, lightning strikes, load changes, commutation spikes and line crosses. Bidirectional surgector devices are constructed with a thyristor whose gate region contains a special diffused section which acts as a zener diode. This zener diode section permits anode voltage turn on of the structure. Initial clamping by the zener diode section, and fast turn on by the thyristor, provide excellent voltage limiting even on very fast rise time transients. The thyristor also features high holding current, which allows the surgector to recover to its high impedance off state after a transient. All these devices are supplied in a 2 lead, modiļ¬ed TO-202 package.
Features
Clamping Voltage . . . . . . . . . . . . . . . . . . . . . 230V or 270V Rated for Peak Transient Surge Current High Minimum Holding Current Low On-State Voltage UL Recognized File #E135010 to STD 497B
Applications
Secondary Protectors for: - Telephone - FAX - Modem - Line Cards - SLIC Alarm Systems
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