*R
oH
V E S CO
AV R M
AI SIO PL
LA N IA
BL S NT
E
Features
■
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
Applications
■
Telecommunications
■
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.
2026-20
200 V
425 V
625 V
Characteristic
DC Sparkover ±20 % @ 100 V/s
Impulse Sparkover
100 V/µs
1000 V/µs
Characteristic
DC Sparkover ±20 % @ 100 V/s
Impulse Sparkover
100 V/µs
1000 V/µs
2026-07
75 V
275 V
700 V
2026-09
90 V
275 V
600 V
2026-15
150 V
350 V
575 V
2026-23
230 V
450 V
650 V
2026-25
250 V
475 V
700 V
2026-26
260V
1
475 V
700 V
2026-30
300 V
500 V
775 V
2026-35
350 V
625 V
875 V
Model No.
2026-40
2026-42
400 V
420 V
675 V
925 V
725 V
1000 V
2026-47
470 V
800 V
1100 V
2026-60
600 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) ............. > 10
10
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 Voltage
2
.................................................>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 µs
3
.................................................... 1 operation minimum
20000 A, 8/20 µs ...................................................... > 10 operations
5000 A, 10/350 µs ................................................... 1 operation
1000 A, 10/1000 µs ................................................. > 400 operations
Alternating Discharge Current ......................................130 Arms, 11 cycles
3
............................................... 1 operation minimum
20 Arms, 1 s ............................................................. > 10 operations
Operation and Storage Temperature .............................................................................................................. -40 to +90 °C
Climatic Category (IEC 60068-1) .................................................................................................................... 40/ 90/ 21
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 >10
8
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
2
3
Tube meets BT requirement Type 14 A/1 (210-310 V).
Network applied.
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.
2026 Series - 3-Pole Gas Discharge Tube
Product Dimensions (additional lead form configurations available upon request)
2026-XX-A
1.6
7.8
2026-XX-C4
FAIL-SHORT CONFIGURATION
2026-XX-C2F SHOWN
8.1
7.5
9.0
0.6
11.7
1.0 DIA.
9.6
6.1
2026-XX-A1
7.9
11.2 REF.
6.1
2026-XX-C8
DIMENSIONS: MILLIMETERS
UNITS WITH LEADS ARE BASED ON THE
2026-XX-A1 BODY.
7.5
0.7 - 1.0
1.0 DIA.
How to Order
1.0 DIA.
2026 - nn - x n F LF
Model Number
Designator
2026-XX-C2
13.0
MAX.
2026-XX-C
1.0 mm dia. lead wire
15.4
30
LONG
2 PLCS.
Voltage (Divided by 10)
07 = 75 V
30 = 300 V
09 = 90 V
35 = 350 V
15 = 150 V
40 = 400 V
20 = 200 V
42 = 420 V
23 = 230 V
47 = 470 V
25 = 250 V
60 = 600 V
26 = 260 V
Leads
A = None
C = 1 mm
Lead Shape
(See Product Dimension Drawings)
1.0 DIA.
4.4
4.4
1.0 DIA.
7.5
4.5
2026-XX-C3
Fail-Short Option
Blank = Standard Product
F=
With Fail-Short Mechanism
Lead Free Option
Blank = Standard Product
LF = Lead Free/RoHS Compliant Product
7.5
1.0 DIA.
4.75
4.75
4.4
Specifications are subject to change without notice.
Customers should verify actual device performance in their specific applications.
2026 Series - 3-Pole Gas Discharge Tube
Switch-Grade Fail-short Device Shorting Curve 2026-XX-XF
30.0
20.0
Current (A) (ELTGS)
10.0
5.0
1.0
0.5
0.1
1
10
100
1000
Seconds
ELTGS = Each Line to Ground Simultaneously
NOTE: When using a GDT fail-short device, it is imperative that all components associated and
connected to the GDT with failsafe be tested in their respective completely integrated environment
(finished product) to assure desired operation.
REV. 01/11
Specifications are subject to change without notice.
Customers should verify actual device performance in their specific applications.
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