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2026-09-CF Datasheet(PDF) 1 Page - Bourns Electronic Solutions

Part # 2026-09-CF
Description  3-Pole Gas Discharge Tube
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Manufacturer  BOURNS [Bourns Electronic Solutions]
Direct Link  http://www.bourns.com
Logo BOURNS - Bourns Electronic Solutions

2026-09-CF Datasheet(HTML) 1 Page - Bourns Electronic Solutions

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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
Characteristics
2026 Series - 3-Pole Gas Discharge Tube
*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.
Test Methods per ITU-T K.12, IEEE C62.31 and IEC 61643-311 GDT standards.
Characteristic
Model No.
2026-07
2026-09
2026-15
2026-20
2026-23
2026-25
2026-26
DC Sparkover ±20 % @ 100 V/s
75 V
90 V
150 V
200 V
230 V
250 V
260V1
Impulse Sparkover (1)
100 V/μs
1000 V/μs
275 V
700 V
275 V
600 V
350 V
575 V
425 V
625 V
450 V
650 V
475 V
700 V
475 V
700 V
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 Voltage (3) ...............................................>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 (4) ..................................................
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 (4) .............................................
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
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:
• 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).
• 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) Tube meets BT requirement Type 14 A/1 (210-310 V).
(3) Network applied.
(4) DC Sparkover may exceed ±25 % after discharge, but will continue to protect without venting.
Characteristic
Model No.
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 (1)
100 V/μs
1000 V/μs
550 V
775 V
625 V
875 V
675 V
925 V
725 V
1000 V
800 V
1100 V
925 V
1250 V
(1)
Impulse Sparkover voltage is defined as typical values of distribution.


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