2057-30-BT1LF

T PL IA N Applications ■ Compact size: 5.5 mm diameter, ■ Telecommunications equipment *R oH S CO M Features ■ ■ ■ ■ 6 mm length Low capacitance Low leakage RoHS compliant* UL Recognized ■ Industrial equipment/electronics ■ Consumer electronics 2057 Series Light Duty 2-Electrode Miniature Gas Discharge Tube Characteristics Test Methods per ITU-T K.12 and IEC 61643-311. Model No. Characteristic DC Sparkover ±20 % @ 100 V/s Impulse Sparkover 100 V/µs 1000 V/µs 2057-12 2057-13 2057-15 2057-23 90 V 120 V 130 V 150 V 230 V < 700 V < 800 V < 600 V < 700 V < 600 V < 700 V < 600 V < 700 V < 600 V < 700 V < 600 V < 700 V Model No. DC Sparkover ±20 % @ 100 V/s (1) 2057-09 75 V (1) Characteristic Impulse Sparkover 100 V/µs 1000 V/µs 2057-07 2057-25 2057-30 2057-35 2057-40 2057-47 250 V 300 V 350 V 400 V 470 V < 600 V < 700 V < 700 V < 900 V < 700 V < 900 V < 800 V < 1000 V < 900 V < 1100 V (1) Impulse Sparkover voltage is defined as typical values of distribution. Insulation Resistance (IR) (2) ....................................50 / 100 / 250 Vdc ................................................. > 1 GΩ Glow Voltage ...........................................................10 mA ..................................................................... ~ 70 V Arc Voltage ..............................................................1 A .......................................................................... ~ 10 V Glow-Arc Transition Current .................................................................................................................... < 1 A Maximum Capacitance ............................................1 MHz ..................................................................... < 1 pF Maximum Impulse Discharge Current .....................10,000 A, 8/20 µs .................................................. 1 operation 5,000 A, 8/20 µs ..................................................... 10 operations Nominal Alternating Discharge Current ...................5 A, 50 Hz, 1 second .............................................. 1 operation 15 A, 9 cycles ........................................................ 1 operation Impulse Life ............................................................100 A, 10/1000 µs .................................................. 300 operations DC Holdover Voltage (3) ........................................................................................................................... < 150 ms Operating Temperature............................................................................................................................ -40 to +90 ºC Storage Temperature ............................................................................................................................... -40 to +90 °C 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 Sparkover Voltage 75–90 V 120–400 V 470 V DC Measuring Voltage 50 V 100 V 250 V (3) Network Applied DC Sparkover Voltage 75–145 V 230–250 V 300–470 V DC Holdover Voltage 52 V 80 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. 2057 Series Light Duty 2-Electrode Miniature Gas Discharge Tube Product Dimensions 0.8 ± 0.05 (.031 ± .002) DIA. 20 (0.78) LONG 2 PLCS. MIN. 5.5 +0.3/-0.5 (.217 + .012/-.020) DIA. DIMENSIONS: 6.0 +0.3/-0.5 (.236 +.012/-.020) MM (INCHES) Packaging Specifications Model 2057 ships standard bulk, 100 pcs. per tray; 5 trays per box (500 units). The optional reelpack (-BT1) contains 500 pcs. per reel; 2 reels per box (1K units). 330 ± 4.0 (12.992 ± .157) DIA. 6.0 + 1.4 (.236 +.055) MAX. 1.5 (.059) TYP. 10.0 ± 0.5 (.394 ± .020) 100.0 (3.937) TYP. 52 ± 2 (2.047 ± .079) DIMENSIONS: MM (INCHES) 68.0 TYP. (2.677) 64 ± 3 (2.520 ± .118) How to Order 2057 - xx - B T1 LF Model Number Designator Voltage (Divided by 10) 07 = 75 V 25 = 250 V 09 = 90 V 30 = 300 V 12 = 120 V 35 = 350 V 13 = 130 V 40 = 400 V 15 = 150 V 47 = 470 V 23 = 230 V Leads B = 0.8 mm Packaging (Blank) = Bulk Packaging (Standard) T1 = Reelpack (Optional) 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 RoHS Compliancy LF = RoHS Compliant Product REV. B 08/15 Specifications are subject to change without notice. Customers should verify actual device performance in their specific applications.