Gas Discharge Tube Arresters (GDT)

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Mfr Part #	Quantity Available	Price	Series	Package	Product Status	Voltage - DC Spark Over (Nom)	Impulse Discharge Current (8/20µs)	Tolerance	Number of Poles	Fail Short	Mounting Type	Package / Case
SJ230 SJ SERIES GAS DISCHARGE TUBE Littelfuse Inc.	2,200 In Stock	1 : $12.81000 Cut Tape (CT) 2,200 : $4.70779 Tape & Reel (TR)	SJ	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	230 V	5000A (5kA)	-	2	No	Surface Mount	2-SMD, Square End Block
SJ150 SJ SERIES GAS DISCHARGE TUBE Littelfuse Inc.	2,200 In Stock	1 : $12.81000 Cut Tape (CT) 2,200 : $4.70779 Tape & Reel (TR)	SJ	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	150 V	5000A (5kA)	-	2	No	Surface Mount	2-SMD, Square End Block
SJ1000 SJ SERIES GAS DISCHARGE TUBE Littelfuse Inc.	2,178 In Stock	1 : $12.81000 Cut Tape (CT) 2,200 : $4.70779 Tape & Reel (TR)	SJ	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	1000 V	3000A (3kA)	-	2	No	Surface Mount	2-SMD, Square End Block
SJ600 SJ SERIES GAS DISCHARGE TUBE Littelfuse Inc.	2,166 In Stock	1 : $12.81000 Cut Tape (CT) 2,200 : $4.70779 Tape & Reel (TR)	SJ	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	600 V	3000A (3kA)	-	2	No	Surface Mount	2-SMD, Square End Block
SJ90 SJ SERIES GAS DISCHARGE TUBE Littelfuse Inc.	2,158 In Stock	1 : $12.81000 Cut Tape (CT) 2,200 : $4.70779 Tape & Reel (TR)	SJ	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	90 V	5000A (5kA)	-	2	No	Surface Mount	2-SMD, Square End Block
SJ800 SJ SERIES GAS DISCHARGE TUBE Littelfuse Inc.	1,800 In Stock	1 : $12.81000 Cut Tape (CT) 2,200 : $4.70779 Tape & Reel (TR)	SJ	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	800 V	3000A (3kA)	-	2	No	Surface Mount	2-SMD, Square End Block

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A gas discharge tube or GDT, is a sealed, glass-enclosed device that contains an inert gas mixture trapped between two electrodes. When a voltage greater than the GDT's rating is exceeded, the increased voltage ionizes the gas allowing it to conduct electricity and divert the excess voltage to ground.