PL IA N T Features Applications *R oH S CO M ■ Formerly a product ■ Street lighting ■ High insulation resistance ■ Medical devices ■ Quick response, long service life ■ Air conditioning ■ Available DC breakdown range: ■ Power supplies 2.4 kV to 7.2 kV ■ Wide operating temperature range ■ RoHS compliant* ■ Projectors ■ Welders SA2 Series High Voltage Gas Discharge Tube Description Agency Listing ® Bourns SA2 Series two-electrode High Voltage Gas Discharge Tube devices are designed for high isolation applications. The series offers high insulation resistance over a wide temperature range and is offered with DC breakdowns from 2.4 kV to 7.2 kV. Other customized voltages between 2 kV and 7.2 kV are available upon request. Agency UL Category Agency File No. UL1414 E183342 Note: UL Listing valid for SA2 Series GDTs rated at 3 kV and above. Electrical Characteristics Device Specifications DC Breakdown Voltage @ 500 V/s Part No. Min. Typ. Max. Tol. SA2-2400-Dxx-STD 2040 2400 2880 -15 % to +20 % SA2-2400-Cxx-STD 1920 2400 2880 -20 % to +20 % SA2-3000-Dxx-STD 2550 3000 3600 -15 % to +20 % SA2-3000-Cxx-STD 2400 3000 3600 -20 % to +20 % SA2-3600-Dxx-STD 3060 3600 4320 -15 % to +20 % SA2-3600-Cxx-STD 2880 3600 4320 -20 % to +20 % SA2-5500-Dxx-STD 4675 5500 6600 -15 % to +20 % SA2-5500-Cxx-STD 4400 5500 6600 -20 % to +20 % SA2-6200-Dxx-STD 5270 6200 7440 -15 % to +20 % SA2-6200-Cxx-STD 4960 6200 7440 -20 % to +20 % SA2-6300-Dxx-STD 5355 6300 7560 -15 % to +20 % SA2-6300-Cxx-STD 5040 6300 7560 -20 % to +20 % SA2-7200-Dxx-STD 6120 7200 8640 -15 % to +20 % SA2-7200-Cxx-STD 5760 7200 8640 -20 % to +20 % Life Ratings Arc Voltage @ 5A min. Capacitance @ 1 MHz Nominal Impulse Discharge Typ. Max. 10 Operations Impulse Breakdown Ramp Insulation Resistance @ 250 Vdc Max. Typ. Min. 3800 V @1 kV/µs >2.0 kV 4500 V @7.5 kV/µs >2.4 kV 5400 V @7.5 kV/µs 8000 V @7.5 kV/µs 8000 V @7.5 kV/µs 9200 V @7.5 kV/µs >5.3 kV 10000 V @1 kV/µs >6.3 kV Nom. DC Breakdown After Life >1.9 kV >2.3 kV >3.0 kV 10 G Ohm 20 V 1 pF 5 kA, 8/20 µs, ±5 operations in each polarity >2.8 kV >4.4 kV >4.2 kV >5.2 kV >4.9 kV >5.0 kV >6.0 kV Note: Model SA2-7200 specification is based on the customer providing sufficient encapsulation/working environment for the component to avoid outside surface breakdown (e.g., non-contaminated equivalent surface in RH 40 % reaches breakdown at 10-12 kV). Product Characteristics Operating Temperature Range .................................................................................................................................................... -40 °C to +125 °C Storage Temperature Range ....................................................................................................................................................... -65 °C to +125 °C Device Plating............................................................................................................................................................................................ Matte-Sn *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. The device characteristics and parameters in this data sheet can and do vary in different applications and actual device performance may vary over time. Users should verify actual device performance in their specific applications. SA2 Series High Voltage Gas Discharge Tube Environmental Characteristics Section Category IEC 60068-2-13 test M Operational Test Condition Low Air Pressure Temp. +55 °C, Time 0.5 Sec., Pressure 600 hPa IEC 60068-2-1, test Ab Cold +40 °C, 96 Hours IEC 60068-2-2, test Bb Dry Heat +100 °C, 96 Hours IEC 60068-2-30, test Ca Damp Heat, Steady State +40 °C, 93 % RH, 21 Days IEC 60068-2-14, test Na Rapid Change in Temperature Upper Temp. +100 ° C, Lower Temp. -40 °C, 5 Cycles Vibration 10-55 Hz, 30 Min. per Axis, Double Amplitude 0.70 Min. Shock Test 30 g, 11 ms, Half Sine Pulse IEC 60068-2-20, test Ta Solderability Method 1, +235 °C, 2 Sec., Aging IEC 60068-2-20, test Tb Resistance to Soldering Heat Method 1A, +260 °C, 5 Sec. IEC 60068-2-21 Robustness of Terminations Ua1 (Tensile), Ua2 (Thrust), Ub (Bending) and Uc (Torsion) IEC 60068-2-6, test Fc IEC 60068-2-27, test Ea NonOperational Typical Part Marking How to Order SA 2 - nnnn - x x x - STD Series Designator Below 3 kV......................... SA2-xxxx 3 kV and Up ................ SA2-xxxxxxxx No. of Electrodes 2 = 2 Electrodes Breakdown Voltage 2400 = 2400 V 3000 = 3000 V 3600 = 3600 V 5500 = 5500 V 6200 = 6200 V 6300 = 6300 V 7200 = 7200 V Tolerance C = -20 % to +20 % D = -15 % to +20 % Lead Shape B = Bent Leads* C = No Leads* K = Bent Leads with Kinks* K1 = Bent Leads with Kinks* L = Straight Leads** Packaging B = Bulk T = Tape & Reel Standard or Modified Product Indicator STD = Standard * Available in bulk packaging only. ** Bulk packaging available for straight lead devices ≤3600 V. Devices >3600 V available in tape and reel only. Specifications are subject to change without notice. The device characteristics and parameters in this data sheet can and do vary in different applications and actual device performance may vary over time. Users should verify actual device performance in their specific applications. SA2 Series High Voltage Gas Discharge Tube Product Dimensions SA2-xxxx-xKx SA2-xxxx-xLx 18.0 ± 0.5 (.709 ± .020) 8.5 +0.1/-0.3 (.335 +.004/-.012) DIA. CERAMIC INSULATOR 8.9 ± 0.4 (.350 ± .016) CERAMIC INSULATOR METAL ELECTRODE METAL ELECTRODES TINNED LEADS 1.0 (.039) DIA. TINNED LEADS 8.9 ± 0.4 (.350 ± .016) 14.2 ± 0.5 (.559 ± .020) 60.0 - 85.0 (2.362 - 3.346) REF. 9.9 (.390) 4.3 ± 0.5 (.169 ± .020) SA2-xxxx-xCx 1.0 (.039) DIA. 15.0 ± 0.5 (.591 ± .020) SA2-xxxx-xK1x 8.5 +0.1/-0.3 (.335 +.004/-.012) DIA. CERAMIC INSULATOR 8.5 +0.1/-0.3 (.335 +.004/-.012) DIA. 17.2 ± 0.1 (.677 ± .004) METAL ELECTRODE 8.9 ± 0.4 (.350 ± .016) CERAMIC INSULATOR METAL ELECTRODES TINNED LEADS 8.9 ± 0.4 (.350 ± .016) 7.0 ± 1.0 (.276 ± .039) 8.5 +0.1/-0.3 (.335 +.004/-.012) DIA. SA2-xxxx-xBx 16.0 ± 1.0 (.630 ± .039) 8.9 ± 0.4 (.350 ± .016) CERAMIC INSULATOR 8.5 +0.1/-0.3 (.335 +.004/-.012) DIA. METAL ELECTRODES TINNED LEADS 12.5 ± 0.5 (.492 ± .020) 15.0 ± 0.5 (.591 ± .020) 8.85 ± 0.5 (.348 ± .020) 1.0 (.039) DIA. DIMENSIONS: MM (INCHES) Specifications are subject to change without notice. The device characteristics and parameters in this data sheet can and do vary in different applications and actual device performance may vary over time. Users should verify actual device performance in their specific applications. 1.0 ± 0.02 (.039 ± .008) DIA. SA2 Series High Voltage Gas Discharge Tube Packaging Specifications Model SA2-xxxx-xxB ships standard bulk pack, 1,000 pcs./bag*. The optional tape and reel packaging contains 1,000 pcs./reel for Model SA2-xxxx-xLT. * Straight leads version available in bulk or tape and reel packaging; all other models available in bulk packaging only. SA2-xxxx-xLT 14.0 +1.0/-0.0 (.551 +.039/-.00) DIA. 10.0 ± 1.0 (.394 ± .039) SPACING 90.0 ± 2.0 (3.543 ± .079) 6.2 ± 1.0 (.244 ± .039) 356.0 ± 2.0 (14.016 ± .079) DIA. 90.0 ± 2.0 (3.543 ± .079) 85.0 ± 2.0 (3.346 ± .079) DIMENSIONS: MM (INCHES) 105.0 (4.134) 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 REV. 04/13 Specifications are subject to change without notice. The device characteristics and parameters in this data sheet can and do vary in different applications and actual device performance may vary over time. Users should verify actual device performance in their specific applications.