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: $0.70 4,523In 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	4,523In Stock	Cut Tape $0.70 $0.634 $0.562 $0.508 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: $0.71 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 $0.71 $0.646 $0.552 $0.51 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 24,947In 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	24,947In Stock	Cut Tape $0.73 $0.589 $0.511 $0.466 Reel $0.364 View $0.44 $0.417 $0.384 $0.341 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 200volts 2051-20-SM-RPLF Bourns 1: $0.77 5,924In Stock	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	5,924In Stock	Cut Tape $0.77 $0.705 $0.585 $0.533 Reel $0.37 View $0.474 $0.437 $0.403 $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 400volts 2051-40-SM-RPLF Bourns 1: $0.73 9,370In Stock	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	9,370In Stock	Cut Tape $0.73 $0.665 $0.552 $0.51 View Reel $0.339 $0.458 $0.423 $0.362 $0.339 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 600volts 2051-60-SM-RPLF Bourns 1: $0.77 15,155In Stock	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	15,155In Stock	Cut Tape $0.77 $0.705 $0.585 $0.527 View Reel $0.364 $0.474 $0.437 $0.41 $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 150volts 2051-15-SM-RPLF Bourns 1: $0.73 3,457In Stock 12,500Expected 03/05/2027	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	3,457In Stock 12,500Expected 03/05/2027	Cut Tape $0.73 $0.665 $0.552 $0.495 Reel $0.349 View $0.446 $0.415 $0.376 $0.339 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 300volts 2051-30-SM-RPLF Bourns 1: $0.77 1,290In Stock 5,000Expected 21/12/2026	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	1,290In Stock 5,000Expected 21/12/2026	Cut Tape $0.77 $0.705 $0.585 $0.533 Reel $0.37 View $0.474 $0.437 $0.403 $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 32In 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	32In Stock 5,000On Order On Order Ship Dates Mfr. No: 2051-47-SM-RPLF Stock: 32 Can Dispatch Immediately On Order: 2,500 Expected 15/02/2027 2,500 Expected 15/03/2027 Factory Lead Time: 16 Weeks	Cut Tape $0.73 $0.665 $0.552 $0.51 Reel $0.354 View $0.458 $0.423 $0.39 $0.341 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: $0.77 45,180Expected 24/11/2026	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	45,180Expected 24/11/2026	Cut Tape $0.77 $0.705 $0.585 $0.533 Reel $0.369 View $0.474 $0.437 $0.403 $0.341 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

2051 Series Gas Discharge Tube Surge Protector

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2051 Series Gas Discharge Tube Surge Protector

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