Gas Discharge Tubes

Gas discharge tubes are sealed glass tubes containing a pair of electrodes and filled with a gas that only conducts when a high voltage is applied across the electrodes. When a voltage spike appears across the device the gas is ionised (becomes a conducting gas plasma) which short-circuits the spike energy away. Gas discharge tubes are often used to protect sensitive circuit inputs from potentially damaging interference voltage transients. The large amount of energy that can be dispersed by gas discharge tubes makes them a good choice for lightning surge protection, particularly for telecommunications equipment.

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Description Price Series Suppressor Type Maximum Surge Current DC Spark Over Voltage Impulse Spark Over Voltage Maximum Voltage Rating Mounting Type Dimensions Lead Pitch Depth Height Length Maximum Operating Temperature Minimum Operating Temperature
RS Stock No. 852-2889
Mfr. Part No.2045-14-BT1LF
BrandBourns
SGD0.546
Each (In a Pack of 1000)
units
2045 2 Electrode Gas Discharge Tube 10 kA @ 10 Operation, 15 kA @ 1 Operation 145V <500 V @ 100 V/μs, <700 V @ 1000 V/μs 145 V Axial 6 (Dia.) x 8mm - - - 8mm +85°C -30°C
RS Stock No. 768-7512
Mfr. Part No.2049-47-BLF
BrandBourns
SGD0.904
Each (In a Pack of 10)
units
2049 2 Electrode Gas Discharge Tube 20kA 470V <1100V - Axial 8 (Dia.) x 6mm - - - 6mm +85°C -30°C
RS Stock No. 915-5893
Mfr. Part No.2029-09-SM-RPLF
BrandBourns
SGD2.824
Each (In a Bag of 5)
units
2029 2 Electrode Gas Discharge Tube 10 A @ 1500 Operations 90V 600V - Surface Mount 7.9 x 6 x 7.5mm - 6mm 7.5mm 7.9mm +105°C -55°C
RS Stock No. 768-7758
Mfr. Part No.2089-120-BLF
BrandBourns
SGD1.69
Each (In a Pack of 5)
units
2089 2 Electrode Gas Discharge Tube 3kA 1200V <2000V - Axial 5.5 (Dia.) x 6mm - - - 6mm +85°C -30°C
RS Stock No. 172-8447
Mfr. Part No.2051-20-SM-RPLF
BrandBourns
SGD0.502
Each (On a Reel of 2500)
units
2051 2 Electrode Arrester 2kA 200V <500 V, <650 V 200 V Surface Mount 4.5 x 3.2 x 2.7mm - 3.2mm 2.7mm 4.5mm +90°C -40°C
RS Stock No. 725-6705
Mfr. Part No.GTCA28-421M-R05
BrandLittelfuse
SGD4.946
Each (In a Pack of 5)
units
GTCX28-XXXM-R10 - - 420V 900 V @ 100 V/μs, 1000 V @ 1000 V/μs - Through Hole 6 x 8 x 8mm - 8mm 8mm 6mm +90°C -40°C
RS Stock No. 769-1833
Mfr. Part No.B88069X8091B502
BrandEPCOS
SGD1.69
Each (In a Pack of 5)
units
EHV 2 Electrode Arrester 2kA 75V <750 V@ 1 kV/μs - Axial 2.8 (Dia.) x 3.5mm - - - 3.5mm +90°C -40°C
RS Stock No. 768-7483
Mfr. Part No.2049-09-BLF
BrandBourns
SGD0.904
Each (In a Pack of 10)
units
2049 2 Electrode Gas Discharge Tube 20kA 90V <600V - Axial 8 (Dia.) x 6mm - - - 6mm +85°C -30°C
RS Stock No. 703-1064
Mfr. Part No.B88069X4640C102
BrandEPCOS
SGD3.39
Each
units
EHV 2 Electrode Arrester 10kA 350V <750 V @ 100 V/μs, <800 V @ 1 kV/μs 350 V dc Through Hole - - - - 5mm +90°C -40°C
RS Stock No. 167-0145
Mfr. Part No.B88069X8920B252
BrandEPCOS
SGD2.019
Each (In a Tray of 250)
units
EHV 3 Electrode Arrester 25kA 230V <350 V @ 100 V/μs, <450 V @ 1 kV/μs 230 V dc Through Hole - - - - 10mm +90°C -40°C
RS Stock No. 172-8605
Mfr. Part No.2046-09-C2LF
BrandBourns
SGD0.965
Each (In a Bag of 1000)
units
2046 3 Electrode Gas Discharge Tube 20kA 90V <700 V @ 1000 V/μs - Through Hole 8 (Dia.) x 10mm 4.4mm - - 10mm +85°C -30°C
RS Stock No. 768-7487
Mfr. Part No.2049-12-BLF
BrandBourns
SGD0.939
Each (In a Pack of 10)
units
2049 2 Electrode Gas Discharge Tube 20kA 120V <700V - Axial 8 (Dia.) x 6mm - - - 6mm +85°C -30°C
RS Stock No. 703-1076
Mfr. Part No.B88069X8920B252
BrandEPCOS
SGD3.65
Each
units
EHV 3 Electrode Arrester 25kA 230V <350 V @ 100 V/μs, <450 V @ 1 kV/μs 230 V dc Through Hole - - - - 10mm +90°C -40°C
RS Stock No. 867-5431
Mfr. Part No.GTCS36-231M-R10-2
BrandLittelfuse
SGD7.728
Each (In a Bag of 5)
units
GTCS36 3 Electrode Gas Discharge Tube - 230V - - Surface Mount - - - - - - -
RS Stock No. 852-2999
Mfr. Part No.2049-30-BT1LF
BrandBourns
SGD0.627
Each (In a Pack of 1000)
units
2049 2 Electrode Gas Discharge Tube 15 kA @ 10 Operation, 20 kA @ 1 Operation 300V <700 V @ 100 V/μs, <900 V @ 1000 V/μs 300 V Axial 6 (Dia.) x 8mm - - - 8mm +85°C -30°C
RS Stock No. 172-9835
Mfr. Part No.2017-09-SMH-RPLF
BrandBourns
SGD1.757
Each (On a Reel of 2000)
units
2017 2 Electrode Gas Discharge Tube 12kA 90V <450 V @ 100 V/μs, <800 V @ 1 kV/μs 90 V dc Surface Mount 8 (Dia.) x 2mm - - 8mm 2mm +85°C -55°C
RS Stock No. 172-7237
Mfr. Part No.2046-42-C2LF
BrandBourns
SGD0.965
Each (In a Bag of 1000)
units
2046 3 Electrode Gas Discharge Tube 20kA 420V <900 V @ 1000 V/μs - Through Hole 8 (Dia.) x 10mm 4.4mm - - 10mm +85°C -30°C
RS Stock No. 768-7774
Mfr. Part No.2089-360-BLF
BrandBourns
SGD1.744
Each (In a Pack of 5)
units
2089 2 Electrode Gas Discharge Tube 3kA 3600V <4600V - Axial 5.5 (Dia.) x 6mm - - - 6mm +85°C -30°C
RS Stock No. 703-1073
Mfr. Part No.B88069X4880S102
BrandEPCOS
SGD2.688
Each (In a Pack of 5)
units
EHV 2 Electrode Arrester 12kA 90V <450 V @ 100 V/μs, <550 V @ 1 kV/μs 90 V dc Through Hole - - - - 6.05mm +90°C -40°C
RS Stock No. 172-7236
Mfr. Part No.2046-23-C2LF
BrandBourns
SGD0.965
Each (In a Bag of 1000)
units
2046 3 Electrode Gas Discharge Tube 20kA 230V <700 V @ 1000 V/μs - Through Hole 8 (Dia.) x 10mm 4.4mm - - 10mm +85°C -30°C