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ST-0840-BCB-STD Datasheet(PDF) 1 Page - Bourns Electronic Solutions |
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ST-0840-BCB-STD Datasheet(HTML) 1 Page - Bourns Electronic Solutions |
1 / 3 page Characteristics ST-0840 Series Sparctube™ Switching Spark Gap *RoHS Directive 2002/95/EC Jan. 27, 2003 including annex and RoHS Recast 2011/65/EU June 8, 2011. Specifications are subject to change without notice. Customers should verify actual device performance in their specific applications. Initial Values: Static Breakdown Voltage @ 800 V/s 1 First Ignition Values ..............................................................................................................< 950 V Following Ignition Values ......................................................................................................740 V to 940 V Electrical Life: Minimum Number of Switching Cycles .......................................................................................2x105 Peak Current ..............................................................................................................................Approx. 450 A Maximum Switching Frequency..................................................................................................500 Hz Breakdown Characteristics @ 1000 V Limit First Ignition Values ..............................................................................................................≤ 1000 V Delay Time............................................................................................................................< 60 ms Following Ignition Values ......................................................................................................720 V to 960 V General Data: Breakdown Time.........................................................................................................................< 50 ns Insulation Resistance @100 Vdc ...............................................................................................> 100 megohms Maximum Static Breakdown Voltage @ 100 V/ms .....................................................................1300 V Share of Early Ignition Values (< 720 V) ....................................................................................< 1 % Residual Voltage @ 50 ns ..........................................................................................................< 300 V Capacitance................................................................................................................................< 1 pF Operating Temperature Range 2 ................................................................................................-40 °C to +170 °C Storage Temperature Range ......................................................................................................-65 °C to +125 °C Weight ........................................................................................................................................Approx. 2.3 g Testing ........................................................................................................................................100 % Robustness of Terminations .......................................................................................................IEC 60068-2-21 3 Notes: 1 At delivery AQL 0.65 Level II, DIN ISO 2859. 2 Distribution of switchings: maximum 20 % above +125 °C and 20 % below +20°C. 3 Test Ua1 (tensile), Ua2 (thrust), Ub (bending) and Uc (torsion). Description Bourns® Sparctube™ Series is a range of switching spark gaps designed specifically for voltage controlled switching of capacitive discharge circuits where a high energy, low loss, fast rate of switching is required. This series is ideally suited for applications where a capacitive discharge is utilized with a transformer to obtain pulses of very high voltage levels in the order of several thousand volts. Features ■ Formerly a product ■ Fast switching rate ■ High energy, low loss capability ■ Wide operating temperature range ■ Long service life ■ High insulation resistance ■ RoHS compliant* Applications ■ Igniters for architectural and automotive Xenon discharge lamps ■ Electronic igniters for gas heating and gas domestic appliances, e.g., cookers ■ Ignition of ultra-high pressure gas discharge lamps for data and video projectors Basic Application Circuit LOAD C R Sparctube™ Switching Spark Gap Asia-Pacific: Tel: +886-2 2562-4117 Fax: +886-2 2562-4116 Europe: Tel: +41-41 768 5555 Fax: +41-41 768 5510 The Americas: Tel: +1-951 781-5500 Fax: +1-951 781-5700 www.bourns.com |
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