Gas Discharge Tubes - GDTs / Gas Plasma Arrestors

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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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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (CAD) Filter the results in the table by unit price based on your quantity.	Qty.	Series	Peak Pulse Current	DC Sparkover	Number of Electrodes	Termination Style	Failsafe Protection Y/N	Length	Minimum Operating Temperature	Maximum Operating Temperature	Packaging
Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 420volts 2051-42-SM-RPLF Bourns 1: $0.979 4,623In Stock	Mfr. Part # 2051-42-SM-RPLF Mouser Part # 652-2051-42-SM-RPLF	Bourns	Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 420volts Learn More about Bourns 2051 gdt surge protector	Datasheet	4,623In Stock	Cut Tape $0.979 $0.906 $0.811 $0.742 Reel $0.474 View $0.667 $0.616 $0.487 $0.462 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
Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 350volts 2051-35-SM-RPLF Bourns 1: $0.907 11,634In Stock	Mfr. Part # 2051-35-SM-RPLF Mouser Part # 652-2051-35-SM-RPLF	Bourns	Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 350volts Learn More about Bourns 2051 gdt surge protector	Datasheet	11,634In Stock	Cut Tape $0.907 $0.857 $0.775 $0.733 Reel $0.475 View $0.66 $0.608 $0.533 $0.458 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
Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 90volts 2051-09-SM-RPLF Bourns 1: $1.05 30,429In Stock	Mfr. Part # 2051-09-SM-RPLF Mouser Part # 652-2051-09-SM-RPLF	Bourns	Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 90volts Learn More about Bourns 2051 gdt surge protector	Datasheet	30,429In Stock	Cut Tape $1.05 $0.937 $0.795 $0.724 Reel $0.533 View $0.66 $0.609 $0.562 $0.491 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
Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 150volts 2051-15-SM-RPLF Bourns 1: $1.05 9,374In Stock	Mfr. Part # 2051-15-SM-RPLF Mouser Part # 652-2051-15-SM-RPLF	Bourns	Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 150volts Learn More about Bourns 2051 gdt surge protector	Datasheet	9,374In Stock	Cut Tape $1.05 $0.958 $0.795 $0.73 Reel $0.527 View $0.66 $0.609 $0.554 $0.488 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
Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 200volts 2051-20-SM-RPLF Bourns 1: $1.11 1,344In Stock 7,500Expected 2026-11-06	Mfr. Part # 2051-20-SM-RPLF Mouser Part # 652-2051-20-SM-RPLF	Bourns	Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 200volts Learn More about Bourns 2051 gdt surge protector	Datasheet	1,344In Stock 7,500Expected 2026-11-06	Cut Tape $1.11 $1.02 $0.842 $0.778 Reel $0.533 View $0.70 $0.645 $0.595 $0.491 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
Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 230volts 2051-23-SM-RPLF Bourns 1: $1.05 549In Stock 47,500Expected 2027-01-07	Mfr. Part # 2051-23-SM-RPLF Mouser Part # 652-2051-23-SM-RPLF	Bourns	Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 230volts Learn More about Bourns 2051 gdt surge protector	Datasheet	549In Stock 47,500Expected 2027-01-07	Cut Tape $1.05 $0.958 $0.795 $0.734 Reel $0.531 View $0.66 $0.609 $0.562 $0.491 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
Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 300volts 2051-30-SM-RPLF Bourns 1: $1.11 1,431In Stock 5,000Expected 2027-01-19	Mfr. Part # 2051-30-SM-RPLF Mouser Part # 652-2051-30-SM-RPLF	Bourns	Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 300volts Learn More about Bourns 2051 gdt surge protector	Datasheet	1,431In Stock 5,000Expected 2027-01-19	Cut Tape $1.11 $1.02 $0.842 $0.778 Reel $0.533 View $0.70 $0.645 $0.595 $0.491 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
Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 400volts 2051-40-SM-RPLF Bourns 1: $1.05 726In Stock 10,000Expected 2026-11-06	Mfr. Part # 2051-40-SM-RPLF Mouser Part # 652-2051-40-SM-RPLF	Bourns	Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 400volts Learn More about Bourns 2051 gdt surge protector	Datasheet	726In Stock 10,000Expected 2026-11-06	Cut Tape $1.05 $0.958 $0.795 $0.734 Reel $0.494 View $0.66 $0.609 $0.534 $0.488 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
Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 470volts 2051-47-SM-RPLF Bourns 1: $1.05 1,116In Stock 2,500Expected 2027-02-15	Mfr. Part # 2051-47-SM-RPLF Mouser Part # 652-2051-47-SM-RPLF	Bourns	Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 470volts Learn More about Bourns 2051 gdt surge protector	Datasheet	1,116In Stock 2,500Expected 2027-02-15	Cut Tape $1.05 $0.958 $0.795 $0.734 Reel $0.503 View $0.66 $0.609 $0.562 $0.488 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
Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 600volts 2051-60-SM-RPLF Bourns 1: $1.05 177In Stock 15,000On Order	Mfr. Part # 2051-60-SM-RPLF Mouser Part # 652-2051-60-SM-RPLF	Bourns	Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 600volts Learn More about Bourns 2051 gdt surge protector	Datasheet	177In Stock 15,000On Order On Order Ship Dates Mfr. #: 2051-60-SM-RPLF Stock: 177 Can Ship Immediately On Order: 5,000 Expected 2026-09-28 10,000 Expected 2027-01-13 Factory Lead-Time: 13 Weeks	Cut Tape $1.05 $0.958 $0.795 $0.734 Reel $0.503 View $0.66 $0.609 $0.562 $0.488 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

2051 Series Gas Discharge Tube Surge Protector

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