Features
Applications
■ Telecommunications
■ Balanced TRIGARD®
■ Approximately 8 mm diameter, 11 mm long ■ Industrial electronics
■ UL recognized
■ Commercial electronics
■ Custom configurations available
■ High surge current rating
■ Stable breakdown throughout life
■ RoHS compliant* version available
■ 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
1
DC Sparkover 20 ꢀ ꢁ 100 ꢂVs
75 ꢂ
90 ꢂ
150 ꢂ
200 ꢂ
230 ꢂ
250 ꢂ
260ꢂ
Impulse Sparkover
100 ꢂVµs
275 ꢂ
700 ꢂ
275 ꢂ
600 ꢂ
350 ꢂ
575 ꢂ
425 ꢂ
625 ꢂ
450 ꢂ
650 ꢂ
475 ꢂ
700 ꢂ
475 ꢂ
700 ꢂ
1000 ꢂVµs
Model No.
Characteristic
2026-30
2026-35
2026-40
2026-42
2026-47
2026-60
DC Sparkover 20 ꢀ ꢁ 100 ꢂVs
300 ꢂ
350 ꢂ
400 ꢂ
420 ꢂ
470 ꢂ
600 ꢂ
Impulse Sparkover
100 ꢂVµs
500 ꢂ
775 ꢂ
625 ꢂ
875 ꢂ
675 ꢂ
925 ꢂ
725 ꢂ
1000 ꢂ
800 ꢂ
1100 ꢂ
925 ꢂ
1250 ꢂ
1000 ꢂVµs
Impulse Transverse Delay.............................................1000 ꢂVµs.................................................................< 75 ns
10
Insulation Resistance ...................................................100 ꢂ (50 ꢂ for Model 2026–07 & 2026-09).............> 10
Glow ꢂoltage ................................................................10 mA.......................................................................~ 70 ꢂ
Arc ꢂoltage ...................................................................1A.............................................................................~ 10 ꢂ
Glow-Arc Transition Current...........................................................................................................................< 0.5 A
Capacitance .................................................................1 MHz.......................................................................< 2 pF
Ω
2
DC Holdover ꢂoltage .................................................>135 ꢂ, (52 ꢂ for Model 2026-07 & 2026-09,...........< 150 ms
80 ꢂ for Model 2026-15)
3
Impulse Discharge Current...........................................40000 A, 8V20 µs .................................................... 1 operation minimum
20000 A, 8V20 µs......................................................> 10 operations
5000 A, 10V350 µs ................................................... 1 operation
1000 A, 10V1000 µs .................................................> 400 operations
3
Alternating Discharge Current......................................130 Arms, 11 cycles ............................................... 1 operation minimum
20 Arms, 1 s.............................................................> 10 operations
Operation and Storage Temperature.............................................................................................................. -40 to +90 °C
Climatic Category (IEC 60068-1).................................................................................................................... 40V 90V 21
Optional Switch-Grade Fail-short device available.
Notes:
• UL recognized component, UL File E153537.
• Model number marking on tube: 26-xxx ꢂ.
• The rated discharge current for TRIGARD® Gas Discharge Tubes is the total current equally divided between each line to ground.
8
• Sparkover limits after life 25 ꢀ, IR >10 Ω (-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 AV1 (210-310 ꢂ).
Network applied.
DC Sparkover may exceed 25 ꢀ after discharge, but will continue to protect without venting.
2
3
*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.