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 (USD) 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 350volts 2051-35-SM-RPLF Bourns 1: $0.62 A tariff of 21% may be applied if shipping to the United States. 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 $0.62 $0.589 $0.538 $0.509 Reel $0.323 View $0.458 $0.422 $0.362 $0.311 MouseReel Available A tariff of 21% may be applied if shipping to the United States.	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 420volts 2051-42-SM-RPLF Bourns 1: $0.68 A tariff of 21% may be applied if shipping to the United States. 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 $0.68 $0.629 $0.563 $0.515 Reel $0.329 View $0.463 $0.428 $0.338 $0.321 MouseReel Available A tariff of 21% may be applied if shipping to the United States.	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 90volts 2051-09-SM-RPLF Bourns 1: $0.73 A tariff of 21% may be applied if shipping to the United States. 27,579In 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	27,579In Stock	Cut Tape $0.73 $0.651 $0.552 $0.503 Reel $0.37 View $0.458 $0.423 $0.39 $0.341 MouseReel Available A tariff of 21% may be applied if shipping to the United States.	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: $0.73 A tariff of 21% may be applied if shipping to the United States. 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 $0.73 $0.665 $0.552 $0.507 Reel $0.366 View $0.458 $0.423 $0.385 $0.339 MouseReel Available A tariff of 21% may be applied if shipping to the United States.	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: $0.77 A tariff of 21% may be applied if shipping to the United States. 1,344In Stock 7,500Expected 10/13/2026	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 10/13/2026	Cut Tape $0.77 $0.705 $0.585 $0.54 Reel $0.37 View $0.486 $0.448 $0.413 $0.341 MouseReel Available A tariff of 21% may be applied if shipping to the United States.	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: $0.73 A tariff of 21% may be applied if shipping to the United States. 149In Stock 47,500Expected 1/7/2027	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	149In Stock 47,500Expected 1/7/2027	Cut Tape $0.73 $0.665 $0.552 $0.51 Reel $0.369 View $0.458 $0.423 $0.39 $0.341 MouseReel Available A tariff of 21% may be applied if shipping to the United States.	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: $0.77 A tariff of 21% may be applied if shipping to the United States. 1,350In Stock 5,000Expected 1/19/2027	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	1,350In Stock 5,000Expected 1/19/2027	Cut Tape $0.77 $0.705 $0.585 $0.54 Reel $0.37 View $0.486 $0.448 $0.413 $0.341 MouseReel Available A tariff of 21% may be applied if shipping to the United States.	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: $0.73 A tariff of 21% may be applied if shipping to the United States. 9,376Expected 10/13/2026	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	9,376Expected 10/13/2026	Cut Tape $0.73 $0.665 $0.552 $0.51 Reel $0.343 View $0.458 $0.423 $0.371 $0.339 MouseReel Available A tariff of 21% may be applied if shipping to the United States.	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: $0.73 A tariff of 21% may be applied if shipping to the United States. 116In Stock 5,000On Order	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	116In Stock 5,000On Order On Order Ship Dates Mfr. #: 2051-47-SM-RPLF Stock: 116 Can Ship Immediately On Order: 2,500 Expected 2/15/2027 2,500 Expected 2/22/2027 Factory Lead-Time: 13 Weeks	Cut Tape $0.73 $0.665 $0.552 $0.51 Reel $0.349 View $0.458 $0.423 $0.39 $0.339 MouseReel Available A tariff of 21% may be applied if shipping to the United States.	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: $0.73 A tariff of 21% may be applied if shipping to the United States. 5,175In Stock 10,000Expected 1/13/2027	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	5,175In Stock 10,000Expected 1/13/2027	Cut Tape $0.73 $0.665 $0.552 $0.51 Reel $0.349 View $0.458 $0.423 $0.39 $0.348 MouseReel Available A tariff of 21% may be applied if shipping to the United States.	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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