ST-0800 Datasheet, PDF (1/3 Pages) Bourns Electronic Solutions – ST-0800 Series Sparctube™ Switching Spark Gap

*RoHS ^COMPLIANT
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
ST-0800 Series Sparctube^™ Switching Spark Gap
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.
Characteristics
Initial Values:
Static Breakdown Voltage @ 800 V/s ¹
First Ignition Values ..............................................................................................................< 950 V
Following Ignition Values ......................................................................................................800 V ±12 %
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 ......................................................................................................800 V ±15 %
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 (< 680 V) ....................................................................................< 1 %
Residual Voltage @ 50 ns ..........................................................................................................< 300 V
Capacitance................................................................................................................................< 1 pF
Operating Temperature Range ² ................................................................................................-40 °C to +160 °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
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.
Customers should verify actual device performance in their specific applications.
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