Features Applications 8 mm diameter, 6 mm long Telecommunications UL Recognized Industrial electronics Custom con gurations available Commercial electronics High surge current rating Consumer electronics Stable breakdown throughout life Automotive, aircraft, military electronics RoHS compliant* versions available 2027 Series - 2-Pole Gas Discharge Tube Characteristics Test Methods per ITU-T (CCITT) K.12, IEEE C62.31, RUS PE-80, Telcordia GR 1361 Model No. Characteristic 2027-07 2027-09 2027-15 2027-20 2027-23 2027-25 DC Sparkover 15 % 75 V 90 V 150 V 200 V 230 V 250 V (20 % for Models 2027-07 & 2027-09) 100 V/s Impulse Sparkover 100 V/s 300 V 300 V 350 V 400 V 450 V 475 V 1000 V/s 500 V 500 V 575 V 600 V 675 V 700 V Model No. Characteristic 2027-30 2027-35 2027-40 2027-42 2027-47 2027-60 DC Sparkover 15 % 100 V/s 300 V 350 V 400 V 420 V 470 V 600 V Impulse Sparkover 100 V/s 550 V 600 V 650 V 675 V 725 V 850 V 1000 V/s 800 V 875 V 925 V 950 V 1000 V 1100 V 10 Insulation Resistance .........................100 V (50 V for Models 2027-07 and 202709) ...................... > 10 Glow Voltage ......................................10 mA ..................................................................................... ~ 70 V Arc Voltage .........................................> 1A ........................................................................................ ~ 10 V Glow-Arc Transition Current ............................................................................................................... < 0.5 A Capacitance .......................................1 MHz ..................................................................................... < 1 pF ** DC Holdover Voltage .......................135 V, (52 V for Models 2027-07 and 2027-09, 80 V for Model 2027-15) ........................................................ < 150 ms *** Impulse Discharge Current .................25000 A, 8/20 s ................................................................. 1 operation minimum 10000 A, 8/20 s .................................................................... > 10 operations 2500 A, 10/350 s .................................................................. 2 operations 500 A, 10/1000 s ................................................................. > 400 operations 100 A, 10/1000 s or 10/700 s ............................................. > 1000 operations *** Alternating Discharge Current ............65 Arms, 11 cycles .............................................................. 1 operation minimum 10 Arms, 1 s ........................................................................... > 10 operations Operating Temperature ....................................................................................................................... -55 to +85 C Climatic Category (IEC 60068-1) ........................................................................................................ 40/90/21 Notes: UL recognized component, UL File E153537. Model number marking on tube: 27-xxxV. 8 Sparkover limits 20 % after life, IR >10 (-25 %, +30 % for Models 2027-07, 202709 and 202760). At delivery AQL 0.65 Level II, DIN ISO 2859. ** Network applied. *** DC Sparkover may exceed 20 % after discharge, but will continue to protect without venting. *RoHS Directive 2002/95/EC Jan 27, 2003 including Annex. Speci cations are subject to change without notice. Customers should verify actual device performance in their speci c applications. *RoHS COMPLIANT VERSIONS AVAILABLE2027 Series - 2-Pole Gas Discharge Tube Product Dimensions 2027-XX-A 2027-XX-B 0.8 mm (0.032 in.) dia. lead wire 2027-XX-C 1.0 mm (0.040 in.) dia. lead wire 6.0 (.236) 65.0 MIN. (2.5) 30.0 LONG (1.2) 8.0 DIA. 2 PLCS. (.314) 2027-XX-B10 0.8 mm (0.032 in.) dia. lead wire 2027-XX-B19 0.8 mm (0.032 in.) dia. lead wire 2027-XX-C10 1.0 mm (0.040 in.) dia. lead wire (Not available in reelpack) (Not available in reelpack) 16.8 (.661) 12.7 2.0 8.4 (.500) R 19 (.075) (.331) 2 PLCS. 2 PLCS. 0.8 0.8 R R (.030) (.031) 2 PLCS. 4 PLCS. 1.5 8.1 (.060) (.318) 2.0 (.078) 6.4 2.3 (.252) (.091) MM 14.0 DIMENSIONS: (.551) (INCHES) How to Order 6.4 (.252) 2027 - xx - x nn T1 LF 12.7 0.5 (.500 .020) Model Number Designator Voltage (Divided by 10) 07 = 75 V 30 = 300 V Packaging Speci cations 09 = 90 V 35 = 350 V 15 = 150 V 40 = 400 V Model 2027-xx-nn ships standard bulk pack, 100 pcs./bag. 20 = 200 V 42 = 420 V 23 = 230 V 47 = 470 V The optional reelpack (-BT1) contains 1,000 pcs./reel. 25 = 250 V 60 = 600 V Reel is 14 in diameter and 2.75 wide. Leads A = None B = 0.8 mm 2027-XX-BT1 0.8 mm (0.032 in.) dia. lead wire C = 1 mm 52.4 Lead Shape (2.1) (See Product Dimension Drawings) Packaging Blank = Bulk Packaging (Standard) T1 = Reelpack (Optional - not available for Models 2027-xx-B19 and 2027-xx-B10/C10) 10.0 RoHS Compliant Option (0.4) Blank = Standard Product LF = RoHS Compliant Product REV. 07/27/11 Speci cations are subject to change without notice. Customers should verify actual device performance in their speci c applications.