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Showing Results For: Gas Discharge Tubes

Gas Discharge Tubes

Gas discharge tubes (GDTs) are compact surge protection components designed to safeguard electronic equipment from high-voltage surges. These devices protect against transient voltage spikes, such as those from lightning strikes or power fluctuations. A gas discharge tube is a sealed glass or ceramic tube filled with a mixture of gas, typically comprising two electrodes.  When the voltage across the electrodes exceeds a certain level, the gas ionizes, becoming conductive and allowing the excess voltage to pass through, thus protecting the circuitry beyond the tube from the surge.

Benefits of Using Our Range of GDTs:

GDTs effectively shunt the excess energy away from sensitive components. Our product portfolio includes multiple GDTs with various mounting options, including surface mount, socket mount, axial, radial, and through-hole discharge tubes, offering a range of benefits, such as: 

  • High Surge Handling Capability: Our GDTs can handle high-energy transients, making them suitable for areas with frequent electrical storms or unstable power supplies.
  • Fast Response Time: They activate within nanoseconds, providing immediate protection against surges.
  • Long Lifespan: GDTs do not degrade after multiple operations, ensuring long-term reliability.
  • Low Capacitance: They offer very low capacitance, which has a minimal impact on the circuit's normal operation.
  • Versatility: Available in various sizes and specifications to meet different requirements.

Popular Types of Gas Discharge Tubes:

GDTs are classified into various types based on the number of electrodes, insulation capacities, and designs. Some standard types include:

  • Two-Electrode GDTs: A two-electrode gas discharge tube is the most common tube that consists of two electrodes sealed within a glass envelope filled with inert gas. It is commonly used in basic surge protection.
  • Three-Electrode GDTs: These tubes feature an additional electrode designed to control the triggering voltage. Three-electrode GDTs are used for higher voltage applications and provide balanced protection in multi-line environments.
  • High Insulation GDTs: These components are designed for environments where a high insulation resistance is required when the device is non-conducting.
  • Miniature GDTs: These are compact versions for space-sensitive applications.

Where are Gas Discharge Tubes Used?

Gas discharge tubes are widely used across multiple sectors and applications where protection from lightning-induced surges and other transient events is paramount. Some typical applications include: 

  • Telecommunications
  • Power Supplies
  • Industrial Applications
  • Consumer Electronics
  • Automotive Electronics
  • Network Systems
  • Medical Equipment
  • Energy Systems.
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ET13859040
2049-60-BLF, Bourns
2049-60-BLF
Bourns
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2049-60-BLF, Bourns
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98 In Stock
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ET13802420
2035-09-SM-RPLF, Bourns
2035-09-SM-RPLF
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2035-09-SM-RPLF, Bourns
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78 In Stock
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1500 +
£ 0.34
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ET14001637
2089-120-BLF, Bourns
2089-120-BLF
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2089-120-BLF, Bourns
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83 In Stock
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ET14001640
2095-400-BLF, Bourns
2095-400-BLF
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2095-400-BLF, Bourns
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1433 In Stock
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ET16753699
2056-09-B2LF, Bourns
2056-09-B2LF
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2056-09-B2LF, Bourns
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1203 In Stock
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£ 0.41
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ET17493683
2031-23T-SM-RPLF, Bourns
2031-23T-SM-RPLF
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2031-23T-SM-RPLF, Bourns
1858 In Stock
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ET13961414
B88069X2830S102, EPCOS
B88069X2830S102
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B88069X2830S102, EPCOS
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ET14007181
SL1011A230A, Littelfuse
SL1011A230A
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SL1011A230A, Littelfuse
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ET14001630
2056-60-B2LF, Bourns
2056-60-B2LF
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2056-60-B2LF, Bourns
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2057-12-BLF, Bourns
2057-12-BLF
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2057-12-BLF, Bourns
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ET21555700
B88069X9231T253, TDK
B88069X9231T253
TDK
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B88069X9231T253, TDK
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2318 In Stock
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ET13833841
2089-360-BLF, Bourns
2089-360-BLF
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2089-360-BLF, Bourns
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ET13859044
2049-09-BLF, Bourns
2049-09-BLF
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2049-09-BLF, Bourns
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ET13853818
CG2800LTR, Littelfuse
CG2800LTR
Littelfuse
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CG2800LTR, Littelfuse
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ET13839906
2027-23-BLF, Bourns
2027-23-BLF
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2027-23-BLF, Bourns
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ET16753694
2052-42-SM-RPLF, Bourns
2052-42-SM-RPLF
Bourns
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2052-42-SM-RPLF, Bourns
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ET24136172
B88069X2180S102, EPCOS
B88069X2180S102
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B88069X2180S102, EPCOS
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293 In Stock
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ET16754254
SA2-6300-CLT-STD, Bourns
SA2-6300-CLT-STD
Bourns
SA2-6300-CLT-STD, Bourns
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2348 In Stock
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ET13844745
2030-42T-SMLF, Bourns
2030-42T-SMLF
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2030-42T-SMLF, Bourns
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ET14001636
2087-80-SM-RPLF, Bourns
2087-80-SM-RPLF
Bourns
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2087-80-SM-RPLF, Bourns
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ET14007182
SL1021A260R, Littelfuse
SL1021A260R
Littelfuse
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SL1021A260R, Littelfuse
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233 In Stock
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ET16753698
2053-25-SM-RPLF, Bourns
2053-25-SM-RPLF
Bourns
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2053-25-SM-RPLF, Bourns
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ET13961415
B88069X4180B502, EPCOS
B88069X4180B502
EPCOS
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B88069X4180B502, EPCOS
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79 In Stock
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ET14154833
2045-40-BLF, Bourns
2045-40-BLF
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2045-40-BLF, Bourns
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28 In Stock
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ET17709570
B88069X2900C103, TDK
B88069X2900C103
TDK
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B88069X2900C103, TDK
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2029-23-SM-RPLF, Bourns

2029-23-SM-RPLF, Bourns

2029 Series Gas Discharge Tube 20kA The Bourns Model 2029 Series is a 2-electrode GDT designed for use in general industrial applications at risk of lightning or other transients. Model 2029 is also recommended for telecommunication line equipment requiring ITU-T K.20, ITU-T K.21 or GR-1089 compliance The compact 8 x 6 mm GDT offers a maximum 25 kA, 8/20 μsec peak pulse current rating. Have fast response times and stable performance over its extended life. The heavy duty 2029 Series has low capacitance, making it an ideal overvoltage Protector for high-speed Telecom or Industrial Communications applications, Commercial Electronics and Automotive, Aircraft, Military Electronics Surface mount for economical assembly High surge current rating Designed to meet ITU-T K.12 class 5 surge current requirements Low capacitance and insertion loss Stable breakdown throughout life UL Recognised RoHS compliant
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New items
2028-42-C2LF, Bourns

2028-42-C2LF, Bourns

2028 Series Gas Discharge Tube 30kA/20A High Surge Current rating, Low Insertion Loss Stable Breakdown throughout life Applications in Telecommunications, Industrial and Commercial electronics
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New items
2036-09-B2LF, Bourns

2036-09-B2LF, Bourns

2036 Series Gas Discharge Tube 20kA/20A Balanced Mini-TRIGARD™ Series Ideal for board level protection of xDSL, cable broadband, and high speed Ethernet High Surge Current rating, Low Insertion Loss Stable Breakdown throughout life Applications in Telecommunications, Industrial, Commercial, Automotive and Aircraft electronics Approvals UL Recognised.
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2045-25-BLF, Bourns

2045-25-BLF, Bourns

2045 Series Gas Discharge Tube 15kA/5A Medium duty low capacitance Applications in Telecommunications, Industrial and Consumer electronics
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New items
2053-47-SM-RPLF, Bourns

2053-47-SM-RPLF, Bourns

2053 Series SMT Gas Discharge Tube 5kA/3A Small outline surface mount footprint low capacitance Applications in Telecommunications, Industrial and Consumer electronics
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SA2-3600-CLT-STD, Bourns

SA2-3600-CLT-STD, Bourns

Bourns SA series High Voltage Gas Discharge Tubes
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New items
2089-250-BLF, Bourns

2089-250-BLF, Bourns

2089 Series Gas Discharge Tube 3kA/2A Compact axial device High Voltage range High insulation resistance Aplications include Telecomunications, Industrial and Consumer electronics
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New items
2045-35-BLF, Bourns

2045-35-BLF, Bourns

2045 Series Gas Discharge Tube 15kA/5A Medium duty low capacitance Applications in Telecommunications, Industrial and Consumer electronics
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New items
B88069X2930C102, EPCOS

B88069X2930C102, EPCOS

Miniature Gas Filled, 2.5kA/2.5A Suitable for use in subscriber-end equipment.
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B88069X0660S102, EPCOS

B88069X0660S102, EPCOS

Miniature Gas Filled, 5kA/5A Over-voltage arresters for the protection of telecommunication systems and equipment with measuring, control and regulating lines Robust ceramic body Low impulse spark-over voltage
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GDT35-15-S1-RP, Bourns

GDT35-15-S1-RP, Bourns

The Bourns GDT35 Series Next-Generation 3-Electrode Gas Discharge Tube Arrestor have been designed using Bourns proprietary, advanced computer simulation techniques and offer superb maximum impulse voltage limiting specifications for this class of GDT in a small, environmentally rugged surface mount package. The performance delivered in the Bourns GDT35 Series helps to significantly heighten protection against induced voltage transients such as lightning and AC induction. The enhanced level of protection with tighter voltage limiting provided during fast-rising events is designed to reduce stress on downstream components compared to current GDT designs in the same application. Fast response time Wide temperature range High surge current rating Low capacitance and insertion loss Stable performance throughout life Small surface mount package
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2046-35-ALF, Bourns

2046-35-ALF, Bourns

2046 Series Gas Discharge Tube 20kA/20A High Surge Current rating, Low Insertion Loss Stable Breakdown throughout life Applications in Telecommunications, Industrial and Commercial electronics Standards UL Recognised.
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FAQs
We offer free shipping for orders over £200 if delivery is in the UK. All other orders in the UK, shipping from £7.99 depending on the weight and measurement. Mainland Europe shipping charges start from £25. For all other countries shipping charges start from £50 for products like Gas Discharge Tubes and all others.
You can email us directly at sales@enrgtech.co.uk or via our website for any queries regarding Gas Discharge Tubes or any other product.
This depends on the Gas Discharge Tubes individual product and information that can be found on our website.
Yes, we offer special discounts on orders above £200 for Gas Discharge Tubes and all other products.
UK orders normally take between 2/3 working days. International orders normally take between 3/5 working days for all products including Gas Discharge Tubes.
Yes. We keep updating our stock frequently and if a product like Gas Discharge Tubes is not in stock then we will let you know.
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