Features
■Balanced TRIGARD®
■8 mm diameter, 11 mm long
■UL recognized
■Custom configurations available
■High surge current rating
■Stable breakdown throughout life
2026 Series - 3-Pole Gas Discharge Tube
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
Operating Temperature ....................................................................................................................................- 55 to +85 °C
Optional Switch-Grade Failsafe 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).
1Tube meets BT requirement Type 14 A/1 (210-310 V).
2Network applied.
3DC Sparkover may exceed ±25 % after discharge, but will continue to protect without venting.
Test Methods per ITU-T (CCITT) K.12, IEEE C62.31, RUS PE-80, Telcordia GR 1361
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/µs550 V 625 V 675 V 725 V 800 V 925 V
1000 V/µs775 V 875 V 925 V 1000 V 1100 V 1250 V
Model No.
Characteristic 2026-07 2026-09 2026-15 2026-20 2026-23 2026-25
DC Sparkover ±20 % @ 100 V/s 75 V 90 V 150 V 200 V 230 V 250 V1
Impulse Sparkover
100 V/µs275 V 275 V 350 V 425 V 450 V 475 V
1000 V/µs700 V 600 V 575 V 625 V 650 V 700 V
Applications
■Telecommunications
■Industrial electronics
■Commercial electronics
■Consumer electronics
■Automotive, aircraft, military electronics
Characteristics
Specifications are subject to change without notice.
Customers should verify actual device performance in their specific applications.