T PL IA N M CO *R oH S Features Applications ■ Size: 8 mm diameter, 6 mm length ■ Telecommunications equipment ■ Low capacitance ■ Industrial equipment/electronics ■ High insulation resistance ■ Consumer electronics ■ RoHS compliant* ■ UL Recognized 2045 Series Medium Duty 2-Electrode Gas Discharge Tube Characteristics Test Methods per ITU-T (CCITT) K.12 and IEEE C62.31. Model No. Characteristic 2045-07 2045-09 2045-12 2045-13 2045-14 2045-23 75 V 90 V 120 V 130 V 145 V 230 V < 500 V < 600 V < 500 V < 600 V < 500 V < 700 V < 500 V < 700 V < 500 V < 700 V < 500 V < 700 V DC Sparkover ±30 % @ 100 V/s Impulse Sparkover 100 V/µs 1000 V/µs (1) Model No. Characteristic 2045-25 2045-30 2045-35 2045-40 2045-47 250 V 300 V 350 V 400 V 470 V < 500 V < 700 V < 700 V < 900 V < 700 V < 900 V < 800 V < 1000 V < 900 V < 1100 V DC Sparkover ±30 % @ 100 V/s Impulse Sparkover 100 V/µs 1000 V/µs (1) (1) Impulse Sparkover voltage is defined as typical values of distribution. Insulation Resistance (IR) (2) ....................................50 / 100 / 250 Vdc ................................................. > 10 GΩ Glow Voltage ...........................................................10 mA ..................................................................... ~ 70 V Arc Voltage ..............................................................1 A .......................................................................... ~ 10 V Glow-Arc Transition Current .................................................................................................................... < 1 A Maximum Capacitance ............................................1 MHz ..................................................................... < 1.5 pF Impulse Discharge Current ......................................15,000 A, 8/20 µs .................................................. 1 operation 10,000 A, 8/20 µs .................................................. 10 operations Alternating Discharge Current .................................5 A, 50 Hz, 1 second. ............................................ 1 operation 65 A, Single, 9 cycles ............................................ 1 operation Impulse Life .............................................................100 A 10/1000 µs .................................................. 500 operations Storage Temperature ............................................................................................................................... -40 to +150 °C Operating Temperature............................................................................................................................ -30 to +85 ºC DC Holdover Voltage (3) ........................................................................................................................... < 150 ms Climatic Category (IEC 60068-1)............................................................................................................. 40 / 90 / 21 Notes: • UL Recognized component, UL File E153537. • At delivery AQL 0.65, level II DIN ISO 2859. (2) DC Breakdown Voltage 75–90 V 120–400 V 470 DC Measuring Voltage 50 V 100 V 250 V (3) DC Breakdown Voltage 75–145 V 230 V 250 V 300–470 V DC Holdover Voltage 52 V 80 V 135 V 150 V *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. 2045 Series Medium Duty 2-Electrode Gas Discharge Tube How to Order Product Dimensions 2045 - xx - B __ LF 2045-XX-B Model Number Designator 0.8 ± 0.05 (.031 ± .002) 20 MIN. (.787) Voltage 07 = 75 V 09 = 90 V 12 = 120 V 13 = 130 V 14 = 145 V 23 = 230 V 25 = 250 V 30 = 300 V 35 = 350 V 40 = 400 V 47 = 470 V Leads B = 0.8 mm straight leads Packaging T1 = Reelpack (Optional) - 500 pcs./reel 8.0 +0.3/-0.5 (.315 +.001/-.020) 6.0 +0.3/-0.5 (.236 +.001/-.020) DIMENSIONS: RoHS Compliancy LF = RoHS Compliant Product MM (INCHES) Note: Custom leadforms available - please contact Bourns for details. Packaging Specifications The reelpack (-BT1LF) contains 500 pieces per reel. Reel is 330 mm in diameter and 68 mm wide. Two reels per box (1K units). 2045-XX-BT1LF — 0.8 mm (0.032 in.) dia. lead wire 52.4 ± 0.5 (2.1 ± .020) 10.0 ± 0.5 (0.4 ± .020) DIMENSIONS: MM (INCHES) Asia-Pacific: Tel: +886-2 2562-4117 • Fax: +886-2 2562-4116 EMEA: Tel: +36 88 520 390 • Fax: +36 88 520 211 The Americas: Tel: +1-951 781-5500 • Fax: +1-951 781-5700 www.bourns.com REV. B 08/15 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.