Features Applications Compact size: 6 mm diameter, 8 mm length Telecommunications equipment Low capacitance and insertion loss Industrial equipment/electronics Switch-Grade Fail-Short option available Consumer electronics RoHS compliant* UL Recognized 2056 Series Light Duty 3-Electrode Gas Discharge Tube Characteristics Test Methods per ITU-T K.12 and IEC 61643-311. Model No. Characteristic 2056-09 2056-14 2056-20 2056-23 2056-25 DC Sparkover 20 % 100 V/s 90 V 145 V 200 V 230 V 250 V (1) Impulse Sparkover 100 V/s < 750 V < 750 V < 600 V < 600 V < 600 V 1000 V/s < 850 V < 850 V < 700 V < 700 V < 700 V Model No. Characteristic 2056-35 2056-40 2056-42 2056-47 2056-60 DC Sparkover 20 % 100 V/s 350 V 400 V 420 V 470 V 600 V (1) Impulse Sparkover 100 V/s < 650 V < 700 V < 700 V < 800 V < 900 V 1000 V/s < 750 V < 800 V < 800 V < 900 V < 1000 V (1) Impulse Sparkover voltage is de ned as typical values of distribution. (2) Insulation Resistance (IR) ...................................50 / 100 / 250 Vdc ................................................. > 1 G Glow Voltage ...........................................................10 mA ..................................................................... ~ 70 V Arc Voltage ..............................................................1 A .......................................................................... ~ 10 V Glow-Arc Transition Current .................................................................................................................... < 1 A Maximum Capacitance ............................................1 MHz ..................................................................... < 2 pF Maximum Impulse Discharge Current .....................5,000 A, 8/20 s .................................................... 10 operations Nominal Alternating Discharge Current ...................5 A, 50 Hz, 1 second .............................................. 1 operation Impulse Life .............................................................200 A 10/1000 s .................................................. 100 operations (3) DC Holdover Voltage ........................................................................................................................... < 150 ms Operating Temperature ............................................................................................................................ -30 to +85 C Storage Temperature ............................................................................................................................... -40 to +115 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 Line to Line voltage is approximately 1.8 to 2 times the stated Line to Ground voltage. Discharge current rating is total current equally divided between Each Line To Ground (ELTG). (2) DC Sparkover Voltage IR Measuring Voltage 90 V 50 V 145400 V 100 V 420600 V 250 V (3) Network Applied DC Sparkover Voltage DC Holdover Voltage 90145 V 52 V 200250 V 135 V 350600 V 150 V *RoHS Directive 2002/95/EC Jan. 27, 2003 including annex and RoHS Recast 2011/65/EU June 8, 2011. Speci cations 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 speci c applications. *RoHS COMPLIANT 2056 Series Light Duty 3-Electrode Gas Discharge Tube Product Dimensions 2056-xx-B2 2056-xx-A 0.8 mm dia., 4.4 mm spacing (B2FLF Switch-Grade Fail-Short Configuration Shown) 8.5 0.5 (.335 .020) 11.5 0.5 (.453 .020) 6.3 0.3 8.5 0.5 6.0 +0.2/-0.5 (.248 .012) (.335 .020) (.236 + .008/-.020) DIA. 7.6 0.4 (.299 .016) 2056-xx-B3 0.8 mm dia., 3.8 mm spacing 7.5 0.5 11.5 +0.8/-0.5 (.295 .020) (.453 +.031/-.020) 8.5 0.5 (.335 .020) 0.8 0.05 (.031 .002) DIA. 4.4 0.3 4.4 0.3 6.0 +0.2/-0.5 (.173 .012) (.173 .012) (.236 + .008/-.020) DIA. MM 7.5 0.5 DIMENSIONS: (INCHES) (.295 .020) 0.8 0.05 (.031 .002) DIA. 3.8 0.3 3.8 0.3 (.150 .012) (.150 .012) How to Order Packaging Speci cations Model 2056 ships standard bulk pack, 100 pieces per tray 5 trays 2056 - xx - xx (F) LF per box, 2 boxes per outer pack (1K units). Model Number Designator Voltage (Divided by 10) 09 = 90 V 35 = 350 V 14 = 145 V 40 = 400 V 20 = 200 V 42 = 420 V 23 = 230 V 47 = 470 V 25 = 250 V 60 = 600 V Leads A = No leads/Cassette Applications B2 = 0.8 mm dia., 4.4 mm spacing B3 = 0.8 mm dia., 3.8 mm spacing Switch-Grade Fail-Short Option (Blank) = None F = Fail-Short Device (Optional) RoHS Compliancy LF = RoHS Compliant Product REV. B 08/15 Speci cations 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 speci c applications.