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. 164-8182
Mfr. Part No.GTCA28-151M-R20
BrandLittelfuse
TWD45.80
Each (In a Tray of 1000)
units
GTCA28 2 Electrode Gas Discharge Tube 20kA 150V 600 V @ 1000 Vμs 350 V Axial 6 x 8mm - - 8mm 6mm +90°C -40°C
RS Stock No. 867-5378
Mfr. Part No.GTCA28-151M-R20
BrandLittelfuse
TWD91.70
Each (In a Bag of 10)
units
GTCA28 2 Electrode Gas Discharge Tube 20kA 150V 600 V@ 1000 Vμs 350 V Axial 6 x 8mm - - 8mm 6mm +90°C -40°C
RS Stock No. 725-6702
Mfr. Part No.GTCR36-401M-R05
BrandLittelfuse
TWD62.50
Each (In a Pack of 2)
units
GTCR36-XXXM-R05 3 Electrode Arrester 5kA 400V 900 V, 1000 V 600 V Radial 9.52 x 6 x 6mm 3.8mm 6mm 6mm 9.52mm +90°C -40°C
RS Stock No. 725-6705
Mfr. Part No.GTCA28-421M-R05
BrandLittelfuse
TWD97.40
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. 878-3671
Mfr. Part No.CG90L
BrandLittelfuse
TWD80.40
Each (In a Pack of 10)
units
CG 2 Electrode Gas Discharge Tube 500A 90V 400 V V/μs @ 100, 650 V kV/μs @ 1 160 V Axial 8.1 (Dia.) x 6.07mm - - 8.1mm 6.07mm +90°C -40°C
RS Stock No. 164-8180
Mfr. Part No.GTCA25-401M-R02
BrandLittelfuse
TWD44.20
Each (In a Tray of 1000)
units
GTCA25 2 Electrode Gas Discharge Tube 2.5kA 400V 900 V @ 1000 Vμs 600 V Axial 5 x 5mm - - 5mm 5mm +90°C -40°C
RS Stock No. 878-3659
Mfr. Part No.CG2-800L
BrandLittelfuse
TWD86.80
Each (In a Pack of 10)
units
CG2 2 Electrode Gas Discharge Tube 500A 800V 400 V V/μs @ 100, 650 V kV/μs @ 1 160 V Axial 8.1 (Dia.) x 6.07mm - - 8.1mm 6.07mm +90°C -40°C
RS Stock No. 878-3637
Mfr. Part No.CG21000MS
BrandLittelfuse
TWD76.90
Each (In a Pack of 1000)
units
CG2 2 Electrode Gas Discharge Tube 500A 1000V 400 V V/μs @ 100, 650 V kV/μs @ 1 160 V Axial 8.3 (Dia.) x 8.3mm - - 8.3mm 8.3mm +90°C -40°C
RS Stock No. 878-3649
Mfr. Part No.CG2-300L
BrandLittelfuse
TWD79.10
Each (In a Pack of 10)
units
CG2 2 Electrode Gas Discharge Tube 500A 300V 400 V V/μs @ 100, 650 V kV/μs @ 1 160 V Axial 8.1 (Dia.) x 6.07mm - - 8.1mm 6.07mm +90°C -40°C
RS Stock No. 170-9933
Mfr. Part No.CG2470LTR
BrandLittelfuse
TWD55.10
Each (On a Reel of 500)
units
CG2 2 Electrode Arrester 2.5kA 540V 850 V @ 100 V/μs, 1200 V @ 1 kV/μs - Axial 8.1 (Dia.) x 6.07mm - - - 6.07mm +90°C -40°C
RS Stock No. 173-2653
Mfr. Part No.CG31.5L
BrandLittelfuse
TWD76.70
Each (In a Tray of 350)
units
CG3 2 Electrode Arrester 10kA 1800V 1800 V @ 100 V/μs, 2000 V @ 1 kV/μs 230 Vrms Axial 8 (Dia.) x 6mm - - - 6mm +90°C -40°C
RS Stock No. 760-6787
Mfr. Part No.SL1011A230A
BrandLittelfuse
TWD104.40
Each (In a Pack of 5)
units
SL1011A 2 Electrode Arrester 1kA 276V 550 V @ 100 V/μs, 700 V @ 1 kV/μs - Axial 8 (Dia.) x 6.05mm - - - 6.05mm +90°C -40°C
RS Stock No. 170-9935
Mfr. Part No.CG90LTR
BrandLittelfuse
TWD55.10
Each (On a Reel of 500)
units
CG 2 Electrode Arrester 4kA 108V 400 V @ 100 V/μs, 600 V @ 1 kV/μs - Axial 8.1 (Dia.) x 6.07mm - - - 6.07mm +90°C -40°C
RS Stock No. 760-6719
Mfr. Part No.CG2350LTR
BrandLittelfuse
TWD96.00
Each (In a Pack of 5)
units
CG2 2 Electrode Arrester 2.5kA 403V 750 V @ 100 V/μs, 900 V @ 1 kV/μs - Axial 8.1 (Dia.) x 6.07mm - - - 6.07mm +90°C -40°C
RS Stock No. 170-9946
Mfr. Part No.SL1021A260R
BrandLittelfuse
TWD50.20
Each (In a Tray of 500)
units
SL10021A 3 Electrode Arrester 10kA 310V 550 V @ 100 V/μs, 700 V @ 1 kV/μs - Radial 8.1 (Dia.) x 10.1mm 4.4mm - - 10.1mm +90°C -40°C
RS Stock No. 760-6813
Mfr. Part No.SL1021A260R
BrandLittelfuse
TWD87.60
Each (In a Pack of 5)
units
SL10021A 3 Electrode Arrester 10kA 310V 550 V @ 100 V/μs, 700 V @ 1 kV/μs - Radial 8.1 (Dia.) x 10.1mm 4.4mm - - 10.1mm +90°C -40°C
RS Stock No. 878-3719
Mfr. Part No.SL1411A075A
BrandLittelfuse
TWD59.70
Each (In a Pack of 1000)
units
SL1411A 2 Electrode Arrester 10kA 90V 450V 60 V Through Hole 8 (Dia.) x 6.05mm - - 8mm 6.05mm +90°C -40°C
RS Stock No. 760-6740
Mfr. Part No.CG90LTR
BrandLittelfuse
TWD99.80
Each (In a Pack of 5)
units
CG 2 Electrode Arrester 4kA 108V 400V @ 100 V/μs, 600 V @ 1 kV/μs - Axial 8.1 (Dia.) x 6.07mm - - - 6.07mm +90°C -40°C
RS Stock No. 164-8190
Mfr. Part No.GTCR37-900M-R10
BrandLittelfuse
TWD47.90
Each (In a Tray of 1000)
units
GTCR37 3 Electrode Gas Discharge Tube 10kA 90V 550 V @ 1000 Vμs 600 V Radial 11.5 x 7.5mm 4.4mm - 7.5mm 11.5mm +90°C -40°C
RS Stock No. 760-6800
Mfr. Part No.SL1021A200RF
BrandLittelfuse
TWD97.40
Each (In a Pack of 5)
units
SL11021A 3 Electrode Arrester 10kA 250V 500 V @ 100 V/μs, 600 V @ 1 kV/μs - Radial 8.1 (Dia.) x 10.1mm 4.4mm - - 10.1mm +90°C -40°C