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 420volts 2051-42-SM-RPLF Bourns 1: $0.73 4,623In Stock	Mfr. Part No. 2051-42-SM-RPLF Mouser Part No 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 $0.73 $0.663 $0.594 $0.518 Reel $0.345 View $0.465 $0.429 $0.364 $0.321 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: $0.711 11,634In Stock	Mfr. Part No. 2051-35-SM-RPLF Mouser Part No 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 $0.711 $0.647 $0.552 $0.511 Reel $0.336 View $0.458 $0.423 $0.371 $0.321 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: $0.73 27,529In Stock	Mfr. Part No. 2051-09-SM-RPLF Mouser Part No 652-2051-09-SM-RPLF	Bourns	Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 90volts Learn More about Bourns 2051 gdt surge protector	Datasheet	27,529In Stock	Cut Tape $0.73 $0.658 $0.552 $0.511 View Reel $0.369 $0.458 $0.423 $0.39 $0.369 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: $0.73 6,869In Stock	Mfr. Part No. 2051-15-SM-RPLF Mouser Part No 652-2051-15-SM-RPLF	Bourns	Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 150volts Learn More about Bourns 2051 gdt surge protector	Datasheet	6,869In Stock	Cut Tape $0.73 $0.665 $0.552 $0.511 Reel $0.364 View $0.458 $0.423 $0.387 $0.362 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 600volts 2051-60-SM-RPLF Bourns 1: $0.77 5,175In Stock 10,000Expected 2026/11/20	Mfr. Part No. 2051-60-SM-RPLF Mouser Part No 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 2026/11/20	Cut Tape $0.77 $0.705 $0.585 $0.527 View Reel $0.364 $0.465 $0.429 $0.397 $0.364 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
Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 200volts 2051-20-SM-RPLF Bourns 1: $0.77 1,344In Stock 7,500Expected 2026/10/13	Mfr. Part No. 2051-20-SM-RPLF Mouser Part No 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 2026/10/13	Cut Tape $0.77 $0.705 $0.585 $0.533 Reel $0.37 View $0.475 $0.437 $0.404 $0.341 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 300volts 2051-30-SM-RPLF Bourns 1: $0.77 1,350In Stock 5,000Expected 2027/01/19	Mfr. Part No. 2051-30-SM-RPLF Mouser Part No 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 2027/01/19	Cut Tape $0.77 $0.705 $0.585 $0.533 Reel $0.37 View $0.475 $0.437 $0.404 $0.341 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 470volts 2051-47-SM-RPLF Bourns 1: $0.73 113In Stock 5,000On Order	Mfr. Part No. 2051-47-SM-RPLF Mouser Part No 652-2051-47-SM-RPLF	Bourns	Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 470volts Learn More about Bourns 2051 gdt surge protector	Datasheet	113In Stock 5,000On Order On Order Ship Dates Mfr. No: 2051-47-SM-RPLF Stock: 113 Can Dispatch Immediately On Order: 2,500 Expected 2027/02/15 2,500 Expected 2027/03/15 Factory Lead Time: 13 Weeks	Cut Tape $0.73 $0.665 $0.552 $0.511 Reel $0.347 View $0.458 $0.423 $0.39 $0.34 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 230volts 2051-23-SM-RPLF Bourns 1: $0.73 44,980Expected 2027/01/07	Mfr. Part No. 2051-23-SM-RPLF Mouser Part No 652-2051-23-SM-RPLF	Bourns	Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 230volts Learn More about Bourns 2051 gdt surge protector	Datasheet	44,980Expected 2027/01/07	Cut Tape $0.73 $0.665 $0.552 $0.511 View Reel $0.369 $0.458 $0.423 $0.39 $0.369 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 400volts 2051-40-SM-RPLF Bourns 1: $0.73 9,376Expected 2026/10/13	Mfr. Part No. 2051-40-SM-RPLF Mouser Part No 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 2026/10/13	Cut Tape $0.73 $0.665 $0.552 $0.511 View Reel $0.34 $0.458 $0.423 $0.362 $0.34 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

2051 Series Gas Discharge Tube Surge Protector

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