Features
Applications
■ Telecommunications
■ Balanced TRIGARD®
■ Approximately 8 mm diameter, 11 mm long
■ UL recognized
■ Custom configurations available
■ High surge current rating
■ Stable breakdown throughout life
■ RoHS compliant* version available
■ Industrial electronics
■ Commercial electronics
■ Consumer electronics
■ Automotive, aircraft, military electronics
2026 Series - 3-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
2026-07
2026-09
2026-15
2026-20
2026-23
2026-25
2026-26
260V1
DC Sparkover 20 ꢀ ꢁ 100 V/s
75 V
90 V
150 V
200 V
230 V
250 V
Impulse Sparkover
100 V/µs
1000 V/µs
275 V
700 V
275 V
600 V
350 V
575 V
425 V
625 V
450 V
650 V
475 V
700 V
475 V
700 V
Model No.
Characteristic
2026-30
2026-35
2026-40
2026-42
2026-47
2026-60
DC Sparkover 20 ꢀ ꢁ 100 V/s
300 V
350 V
400 V
420 V
470 V
600 V
Impulse Sparkover
100 V/µs
1000 V/µs
500 V
775 V
625 V
875 V
675 V
925 V
725 V
1000 V
800 V
1100 V
925 V
1250 V
Impulse Transverse Delay......................................1000 V/µs.....................................................................< 75 ns
Insulation Resistance.............................................100 V (50 V for Model 2026–07 & 2026-09).................> 1010 Ω
Glow Voltage..........................................................10 mA...........................................................................~ 70 V
Arc Voltage.............................................................1A.................................................................................~ 10 V
Glow-Arc Transition Current........................................................................................................................< 0.5 A
Capacitance...........................................................1 MHz...........................................................................< 2 pF
DC Holdover Voltage2 ...........................................>135 V, (52 V for Model 2026-07 & 2026-09,...............< 150 ms
80 V for Model 2026-15)
Impulse Discharge Current ....................................40000 A, 8/20 µs3......................................................... 1 operation minimum
20000 A, 8/20 µs..........................................................> 10 operations
1000 A, 10/1000 µs .....................................................> 400 operations
Alternating Discharge Current................................130 Arms, 11 cycles3 ................................................... 1 operation minimum
20 Arms, 1 s.................................................................> 10 operations
Operation and Storage Temperature, Climatic Category (IEC 60068-1) 40/ 90/ 21.................................... -40 to +90 °C
Optional Switch-Grade Fail-short device available.
Notes:
• UL recognized component, UL File E153537.
• Model number marking on tube: 26-xxx V.
• The rated discharge current for TRIGARD¤ Gas Discharge Tubes is the total current equally divided between each line to ground.
• Sparkover limits after life 25 ꢀ, IR >108Ω (-25 ꢀ,+30 ꢀ for Model 2026-07, 2026-09 and 2026-60).
• Line to Line voltage is approximately 1.8 to 2 times the stated Line to Ground breakdown voltage.
• At delivery AQL 0.65 Level II, DIN ISO 2859
1 Tube meets BT requirement Type 14 A/1 (210-310 V).
2 Network applied.
3 DC Sparkover may exceed 25 ꢀ after discharge, but will continue to protect without venting.
*RoHS Directive 2002/95/EC Jan 27 2003 including Annex
Specifications are subject to change without notice.
Customers should verify actual device performance in their specific applications.
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