ST-0840-BBB-STD

PL IA N T Features Applications CO M ■ Formerly a product *R oH S ■ Fast switching rate ■ Igniters for Xenon discharge lamps ■ Electronic igniters for gas heating and gas ■ High energy, low loss capability ■ Wide operating temperature range ■ Long service life ■ High insulation resistance domestic appliances, e.g., cookers ■ Ignition of ultra-high pressure gas discharge lamps for data and video projectors ■ RoHS compliant* Sparctube® Switching Spark Gap ST-0840 Series Description for voltage controlled Bourns® Sparctube® Switching Spark Gap Series is a range of switching spark gaps designed 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. Characteristics 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). Basic Application Circuit Sparctube® Switching Spark Gap Device R C LOAD *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. Users should verify actual device performance in their specific applications. The products described herein and this document are subject to specific legal disclaimers as set forth on the last page of this document, and at www.bourns.com/docs/legal/disclaimer.pdf. Tel: +886-2 2562-4117 Email: asiacus@bourns.com Europe: Tel: +36 88 520 390 Email: eurocus@bourns.com The Americas: Tel: +1-951 781-5500 Email: americus@bourns.com www.bourns.com Sparctube® Switching Spark Gap ST-0840 Series Product Dimensions How to Order ST - 0840 - B x x - STD ST-0840-BLx 8.0 +0.1/-0.3 (.315 +.004/-.012) DIA. CERAMIC INSULATOR METAL ELECTRODE Series Designator Switching Voltage 0840 = 840 V TINNED LEADS Tolerance B = 12 % 1.0 (.039) DIA. Lead Shape B = Bent Leads C = No Leads* L = Straight Leads 5.8 ± 0.3 (.228 ± .012) 60.0 - 82.0 (2.362 - 3.228) Packaging B = Bulk T = Tape & Reel* ST-0840-BCx Product Indicator Standard or STD = Standard 8.0 +0.1/-0.3 (.315 +.004/-.012) DIA. CERAMIC INSULATOR *Leadless version available in bulk packaging only. METAL ELECTRODE Typical Part Marking 5.8 ± 0.3 (.228 ± .012) ST 0840 wwy ...... “wwy” = Week and year of production ST-0840-BBx 5.8 ± 0.3 (.228 ± .012) Recommended Pad Layout 8.6 (.339) MAX. 9.6 (.38) 8.0 +0.1/-0.3 (.315 +.004/-.012) DIA. 8.4 (.331) MAX. 1.00 (.039) DIA. 8.6 (.34) 2.52 ± 0.20 (.099 ± .008) 0.25 +0.15/-0.05 (.010 +.006/-.002) 0.20 (.008) APPROX. DIMENSIONS: 4.5 (.18) 8.4 (.331) MAX. MM (INCHES) Test Circuit R Uo L C DUT Us Uo .........1000-1500 V R ...........See Note C ...........100 nF L............0.5 μH DUT ......Device Under Test Us .........Breakdown Voltages NOTE: Uo and R are set to provide suitable conditions for different measurements. Specifications are subject to change without notice. Users should verify actual device performance in their specific applications. The products described herein and this document are subject to specific legal disclaimers as set forth on the last page of this document, and at www.bourns.com/docs/legal/disclaimer.pdf. Sparctube® Switching Spark Gap ST-0840 Series Models ST-0840-BBB, ST-0840-BLB and ST-0840-BCB* ship standard bulk pack, 1,000 pcs./bag. The optional tape and reel packaging contains 1,000 pcs./reel for Model ST-0840-BLT; 500 pcs./reel for Model ST-0840-BBT. * Available in bulk packaging only. ST-0840-BLT ST-0840-BBT 2.2 ± 0.5 (.087 ± .020) 16.5 ± 0.1 (.650 ± .004) 20.2 ± 1.0 (.795 ± .039) 14.0 +1.0/-0.0 (.551 +.039/-.00) DIA. 100 ± 1.0 (3.937 ± .039) 90.0 ± 2.0 (3.543 ± .079) 13.0 ± 0.2 (.512 ± .008) 90.0 ± 2.0 (3.543 ± .079) 356.0 ± 2.0 (14.016 ± .079) DIA. 330 (12.992) 105.0 (4.134) 4.0 ± 0.1 (.157 ± .004) 2.0 ± 0.1 (.079 ± .004) 12.0 ± 0.1 (.472 ± .004) 12.0 ± 0.1 (.472 ± .004) 1.75 (.069) C B 10.0 ± 1.0 (.394 ± .039) SPACING 7.50 (.295) 6.2 ± 1.0 (.244 ± .039) A 85.0 ± 2.0 (3.346 ± .079) A C B 9.1 +0.2/-0.0 (.358 +.008/-.000) DIMENSIONS: 16.0 (.630) 8.2 +0.2/-0.0 (.323 +.008/-.000) 0.50 ± 0.05 (.020 ± .002) MM (INCHES) SECTION C-C SECTION B-B 8.5 +0.15/-0.05 (.335 +.006/-.002) 9.3 ± 0.1 (.366 ± .004) SECTION A-A REV. 11/18 “Sparctube” is a registered trademark of Bourns, Inc. in the U.S., the European Community and People’s Republic of China. Specifications are subject to change without notice. Users should verify actual device performance in their specific applications. The products described herein and this document are subject to specific legal disclaimers as set forth on the last page of this document, and at www.bourns.com/docs/legal/disclaimer.pdf. Legal Disclaimer Notice This legal disclaimer applies to purchasers and users of Bourns® products manufactured by or on behalf of Bourns, Inc. and P[ZHɉSPH[LZJVSSLJ[P]LS`¸)V\YUZ¹ Unless otherwise expressly indicated in writing, Bourns® products and data sheets relating thereto are subject to change ^P[OV\[UV[PJL