2026-20-C Bourns Inc., 2026-20-C Datasheet

2026-20-C

Manufacturer Part Number

2026-20-C

Description

GAS DISCHARGE TUBE 3 POLE

Manufacturer

Bourns Inc.

Series

TRIGARD™ 2026r

Datasheet

1.2026-23-C2LF.pdf (3 pages)

Specifications of 2026-20-C

Spark Over Voltage

200V

Tolerance

±20%

Impulse Discharge Current

40kA 8x20µs

Package / Case

Radial - 3 Lead

Mounting Type

Through Hole

Lead Free Status / RoHS Status

Contains lead / RoHS non-compliant

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Impulse Transverse Delay .............................................1000 V/µs ................................................................. < 75 ns

Insulation Resistance ...................................................100 V (50 V for Model 2026–07 & 2026-09) ............. > 10

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

Impulse Discharge Current ...........................................40000 A, 8/20 µs

Alternating Discharge Current ......................................130 Arms, 11 cycles

Operation and Storage Temperature .............................................................................................................. -40 to +90 °C

Climatic Category (IEC 60068-1) ....................................................................................................................

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

• Sparkover limits after life ±25 %, IR >10

• 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

*RoHS Directive 2002/95/EC Jan 27, 2003 including Annex.

Speciﬁ cations are subject to change without notice.

Customers should verify actual device performance in their speciﬁ c applications.

Test Methods per ITU-T (CCITT) K.12, IEEE C62.31, RUS PE-80, Telcordia GR 1361

Characteristic

DC Sparkover ±20 % @ 100 V/s

Impulse Sparkover

Characteristic

DC Sparkover ±20 % @ 100 V/s

Impulse Sparkover

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.

Characteristics

100 V/µs

1000 V/µs

100 V/µs

1000 V/µs

.................................................>135 V, (52 V for Model 2026-07 & 2026-09, ........... < 150 ms

Ω (-25 %,+30 % for Model 2026-07, 2026-09 and 2026-60).

2026-07

275 V

700 V

Gas Discharge Tubes is the total current equally divided between each line to ground.

75 V

Features

■

2026 Series - 3-Pole Gas Discharge Tube

Balanced TRIGARD

Approximately 8 mm diameter, 11 mm long

UL recognized

Custom conﬁ gurations available

High surge current rating

Stable breakdown throughout life

RoHS compliant* version available

80 V for Model 2026-15)

20000 A, 8/20 µs ...................................................... > 10 operations

5000 A, 10/350 µs ...................................................

1000 A, 10/1000 µs ................................................. > 400 operations

20 Arms, 1 s ............................................................. > 10 operations

2026-09

2026-30

275 V

600 V

300 V

500 V

775 V

90 V

2026-15

2026-35

150 V

350 V

575 V

350 V

625 V

875 V

....................................................

...............................................

Model No.

2026-20

2026-40

200 V

425 V

625 V

400 V

675 V

925 V

Model No.

Applications

■

Telecommunications

Industrial electronics

Commercial electronics

Consumer electronics

Automotive, aircraft, military electronics

2026-23

2026-42

1000 V

230 V

450 V

650 V

420 V

725 V

1 operation minimum

1 operation

1 operation minimum

40/ 90/ 21

2026-25

2026-47

1100 V

250 V

475 V

700 V

470 V

800 V

2026-26

2026-60

1250 V

260V

475 V

700 V

600 V

925 V

Related parts for 2026-20-C

2026-20-C Summary of contents

Page 1

... Characteristic DC Sparkover ± 100 V/s Impulse Sparkover 100 V/µs 1000 V/µs Impulse Transverse Delay .............................................1000 V/µs ................................................................. < Insulation Resistance ...................................................100 V (50 V for Model 2026–07 & 2026-09) ............. > 10 Glow Voltage ................................................................10 mA ....................................................................... ~ 70 V Arc Voltage ...................................................................1A ............................................................................. ~ 10 V Glow-Arc Transition Current ........................................................................................................................... < 0.5 A Capacitance .................................................................1 MHz ....................................................................... < Holdover Voltage .................................................> ...

Page 2

... Product Dimension Drawings) 1.0 DIA. 7.5 Fail-Short Option RoHS Compliant Option Customers should verify actual device performance in their speciﬁ c applications. FAIL-SHORT CONFIGURATION 2026-XX-C2F SHOWN 8.1 9.6 DIMENSIONS: MILLIMETERS 2026-XX-A1 BODY. 2026 - 300 350 150 400 200 420 230 470 250 V ...

Page 3

... Series - 3-Pole Gas Discharge Tube Switch-Grade Fail-short Device Shorting Curve 2026-XX-XF 30.0 20.0 10.0 5.0 1.0 0.5 0.1 1 ELTGS = Each Line to Ground Simultaneously NOTE: When using a GDT fail-short device 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 ...

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