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.
2026-20
Characteristic
2026-07
2026-09
2026-15
2026-23
230 ꢂ
2026-25
250 ꢂ
2026-26
260ꢂ
1
DC Sparkover 20 ꢀ ꢁ 100 ꢂVs
75 ꢂ
90 ꢂ
150 ꢂ
200 ꢂ
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
800 ꢂ
925 ꢂ
1000 ꢂVμs
1000 ꢂ
1100 ꢂ
1250 ꢂ
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).
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 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.
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