2051 Series Gas Discharge Tube Surge Protector

Bourns developed the 2051 Series Gas Discharge Tube (GDT) Surge Protector as an extremely small and robust overvoltage protection solution for telecom and industrial communications applications. Bourns offers the 2051 Series Gas Discharge Tube Surge Protector as a micro surface mount, 2-electrode GDT device designed to meet board-level protection requirements. 

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Description Datasheet Availability Pricing (PHP) Filter the results in the table by unit price based on your quantity.
Qty. RoHS ECAD Model Series
Peak Pulse Current
DC Sparkover
Number of Electrodes
Termination Style
Failsafe Protection Y/N
Length
Minimum Operating Temperature
Maximum Operating Temperature
Packaging
Bourns Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 420volts
Datasheet
4,623In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 2,500

2051 2 kA 420 V 2 Electrode SMD/SMT Failsafe Not Protected 4.5 mm - 40 C + 125 C Reel, Cut Tape, MouseReel
Bourns Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 470volts
Datasheet
4,126In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 2,500

2051 2 kA 470 V 2 Electrode SMD/SMT Failsafe Not Protected 4.5 mm - 40 C + 125 C Reel, Cut Tape, MouseReel
Bourns Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 90volts
Datasheet
9,874In Stock
25,000Expected 04/08/2026
MouseReel Available
Min.: 1
Mult.: 1
: 2,500

2051 2 kA 90 V 2 Electrode SMD/SMT Failsafe Not Protected 4.5 mm - 40 C + 125 C Reel, Cut Tape, MouseReel
Bourns Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 150volts
Datasheet
12,416In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 2,500

2051 2 kA 150 V 2 Electrode SMD/SMT Failsafe Not Protected 4.5 mm - 40 C + 125 C Reel, Cut Tape, MouseReel
Bourns Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 230volts
Datasheet
18,949In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 2,500

2051 2 kA 230 V 2 Electrode SMD/SMT Failsafe Not Protected 4.5 mm - 40 C + 125 C Reel, Cut Tape, MouseReel
Bourns Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 350volts
Datasheet
12,089In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 2,500

2051 2 kA 350 V 2 Electrode SMD/SMT Failsafe Not Protected 4.5 mm - 40 C + 125 C Reel, Cut Tape, MouseReel
Bourns Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 200volts
Datasheet
6,919Expected 20/10/2026
MouseReel Available
Min.: 1
Mult.: 1
: 2,500

2051 2 kA 200 V 2 Electrode SMD/SMT Failsafe Not Protected 4.5 mm - 40 C + 125 C Reel, Cut Tape, MouseReel
Bourns Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 300volts
Datasheet
1,882In Stock
2,500Expected 29/07/2026
MouseReel Available
Min.: 1
Mult.: 1
: 2,500

2051 2 kA 300 V 2 Electrode SMD/SMT Failsafe Not Protected 4.5 mm - 40 C + 125 C Reel, Cut Tape, MouseReel
Bourns Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 400volts
Datasheet
876In Stock
10,000On Order
MouseReel Available
Min.: 1
Mult.: 1
: 2,500

2051 2 kA 400 V 2 Electrode SMD/SMT Failsafe Not Protected 4.5 mm - 40 C + 125 C Reel, Cut Tape, MouseReel
Bourns Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 600volts
Datasheet
301In Stock
7,500On Order
MouseReel Available
Min.: 1
Mult.: 1
: 2,500

2051 2 kA 600 V 2 Electrode SMD/SMT Failsafe Not Protected 4.5 mm - 40 C + 125 C Reel, Cut Tape, MouseReel