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. 172-8663
Mfr. Part No.2036-09-SM-RPLF
BrandBourns
HK$7.895
Each (On a Reel of 1000)
units
2036 3 Electrode Gas Discharge Tube 10 kA@ 10 Operation, 20 kA@ 1 Operation 90V 250 V @ 100 V/μs, 550 V @ 1000 V/μs - Surface Mount 7.3 x 5 x 5mm 3.3mm 5mm 5mm 7.3mm +85°C -55°C
RS Stock No. 780-4916
Mfr. Part No.SA2-4500-CLT-STD
BrandBourns
HK$12.166
Each (In a Pack of 5)
units
SA 2 Electrode Gas Discharge Tube 5kA 4500V - 4500 V Axial 8.5 (Dia.) x 8.9mm - - - 8.9mm +125°C -40°C
RS Stock No. 162-0192
Mfr. Part No.B88069X0180S102
BrandEPCOS
HK$7.879
Each (In a Box of 100)
units
EHV 2 Electrode Arrester 10kA - - - Axial 8 (Dia.) x 6.05mm - - - 6.05mm +90°C -40°C
RS Stock No. 768-7673
Mfr. Part No.2061-70-ALF
BrandBourns
HK$100.63
Each
units
2061 2 Electrode Gas Discharge Tube 60kA 700V <1400V - - 11.8 (Dia.) x 12mm - - - 12mm +85°C -30°C
RS Stock No. 183-9311
Mfr. Part No.B88069X9231T203
BrandTDK
HK$4.707
Each (On a Reel of 2000)
units
S30-90X 2 Electrode Arrester - 117V 600V 50 V Surface Mount 4.5 x 2.7 x 3.2mm - 2.7mm 3.2mm 4.5mm +125°C -40°C
RS Stock No. 852-2898
Mfr. Part No.2045-35-BT1LF
BrandBourns
HK$3.038
Each (In a Pack of 1000)
units
2045 2 Electrode Gas Discharge Tube 10 kA @ 10 Operation, 15 kA @ 1 Operation 350V <700 V @ 100 V/μs, <900 V @ 1000 V/μs 350 V Axial 6 (Dia.) x 8mm - - - 8mm +85°C -30°C
RS Stock No. 167-0253
Mfr. Part No.B88069X9420B502
BrandEPCOS
HK$25.312
Each (In a Tray of 500)
units
EHV 3 Electrode Arrester 15kA 230V <400 V @ 100 V/μs, <600 V @ 1 kV/μs 230 V dc Through Hole 13.4 x 12 x 8mm - 8mm 12mm 13.4mm - -
RS Stock No. 172-9718
Mfr. Part No.2049-07-BLF
BrandBourns
HK$3.516
Each (In a Bag of 500)
units
2049 2 Electrode Gas Discharge Tube 20kA 75V <600V - Axial 8 (Dia.) x 6mm - - - 6mm +85°C -30°C
RS Stock No. 852-2895
Mfr. Part No.2045-30-BT1LF
BrandBourns
HK$3.038
Each (In a Pack of 1000)
units
2045 2 Electrode Gas Discharge Tube 10 kA @ 10 Operation, 15 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. 852-2892
Mfr. Part No.2045-40-BT1LF
BrandBourns
HK$3.038
Each (In a Pack of 1000)
units
2045 2 Electrode Gas Discharge Tube 10 kA @ 10 Operation, 15 kA @ 1 Operation 400V <1000 V @ 1000 V/μs, <800 V @ 100 V/μs 400 V Axial 6 (Dia.) x 8mm - - - 8mm +85°C -30°C
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