*R
oH
VE S C O
AV R M
AI SIO PL
LA N IA
BL S NT
E
Features
n
Balanced TRIGARD
®
n
Approximately 8 mm diameter, 11 mm long
n
UL Recognized
n
Custom configurations available
n
High surge current rating
n
Stable breakdown throughout life
OM
PL
IA
N
Applications
n
Telecommunications
n
Industrial electronics
n
Commercial electronics
n
Consumer electronics
n
Automotive, aircraft, military electronics
n
RoHS compliant* version available
T
Characteristics
F
RE
E
Test Methods per ITU-T K.12, IEEE C62.31 and IEC 61643-311 GDT standards.
LE
AD
*R
oH
S
2026 Series - 3-Pole Gas Discharge Tube
C
Characteristic
DC Sparkover ±20 % @ 100 V/s
Impulse Sparkover
(1)
100 V/µs
1000 V/µs
Characteristic
DC Sparkover ±20 % @ 100 V/s
Impulse Sparkover
(1)
100 V/µs
1000 V/µs
(1)
Model No.
2026-09
90 V
275 V
600 V
2026-15
150 V
Ro VE LEA
HS RS D
C ION FRE
OM S E
PL AR
IA E
NT
*
2026-07
75 V
275 V
700 V
2026-20
200 V
425 V
625 V
2026-40
400 V
675 V
925 V
2026-23
230 V
450 V
650 V
2026-42
420 V
725 V
1000 V
2026-25
250 V
475 V
700 V
2026-47
470 V
800 V
1100 V
2026-26
260 V
475 V
700 V
2026-60
600 V
925 V
1250 V
350 V
575 V
Model No.
2026-30
300 V
550 V
775 V
2026-35
350 V
625 V
875 V
Impulse Sparkover voltage is defined as typical values of distribution.
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
Moisture Sensitivity Level ............................................................................................................................... 1
ESD Classification (HBM) ............................................................................................................................... 6
An optional Switch-Grade Fail-Short device is available. The optional Fail-Short assembly will activate at a temperature of 215 °C – 217 °C
to provide a high conductive path to ground in case of a thermal overload. GDTs equipped with the optional Fail-Short device should be
soldered either manually at a temperature that is below the activation temperature of the Fail-Short mechanism, or using a selective soldering
process that does not exceed 210 °C.
Notes:
• 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
(2)
(3)
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 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.
2026 Series - 3-Pole Gas Discharge Tube
How to Order
Packaging Specifications
Model
Bulk (Bag)
250
250
50
100
100
100
Standard Packaging Quantity
Tray
Box
2026 - nn - x n F LF
Model Number
Designator
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)
Fail-Short Option
Blank = Standard Product
F=
With Fail-Short Mechanism
RoHS Compliant Option
Blank = Standard Product
LF = RoHS Compliant Product
2026-XX-A
2026-XX-C
1000
1000
300
1000
1000
1000
2026-XX-A1
2026-XX-C2
2026-XX-C3
2026-XX-C4
Agency Recognition / Industry Standards
Agency
References
UL 497B Recognized Component, Category QVGQ2, File E153537
UL 497 Recognized Component, Category QVGV2, File E53117
Telcordia
GR-974-CORE/
GR-1361-CORE
2026 Series devices, as applicable, are tested to GR requirements for primary protectors
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.
2026 Series - 3-Pole Gas Discharge Tube
3312 - 2 mm SMD Trimming Potentiometer
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. 03/18
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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