Gas Discharge Tubes - GDTs / Gas Plasma Arrestors

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CG2 Gas Discharge Tubes (GDTs)

Littelfuse CG2 Gas Discharge Tubes (GDTs) provide a high degree of surge protection in a small size, making them ideal for board-level circuit protection. These GDTs function as switches to dissipate a minimum amount of energy and handle currents that surpass other types of transient voltage protection. The CG2 series features a 145V to 1000V DC sparkover range, which is ideal for protecting equipment with higher voltage limits and holdover voltages. The gas-filled, rugged ceramic metal construction is highly reliable and well-suited for adverse environments. Littelfuse CG2 GDTs are available in various forms, including surface mount, core, straight, and shaped leads. Applications include data lines, power supplies, communication lines and equipment, medical electronics, and instrumentation circuits.

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (PHP) 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	Diameter	Length	Minimum Operating Temperature	Maximum Operating Temperature	Packaging
Gas Discharge Tubes - GDTs / Gas Plasma Arrestors GP S.A. STAN. 470V CG2470LTR Littelfuse 1: ₱184.66 1,599In Stock	Mfr. Part # CG2470LTR Mouser Part # 576-CG2470LTR	Littelfuse	Gas Discharge Tubes - GDTs / Gas Plasma Arrestors GP S.A. STAN. 470V Learn More about Littelfuse cg2 gdts	Datasheet	1,599In Stock	Cut Tape ₱184.66 ₱170.55 ₱152.15 ₱138.65 Reel ₱104.30 View ₱123.31 ₱115.34 ₱94.48	Min.: 1 Mult.: 1 : 500	CG2	20 kA	470 V	2 Electrode	Axial	Failsafe Not Protected	8.1 mm	6.07 mm	- 40 C	+ 90 C	Reel, Cut Tape
Gas Discharge Tubes - GDTs / Gas Plasma Arrestors GP S.A. STAN. 800V CG2800LTR Littelfuse 1: ₱234.97 1,408In Stock	Mfr. Part # CG2800LTR Mouser Part # 576-CG2800LTR	Littelfuse	Gas Discharge Tubes - GDTs / Gas Plasma Arrestors GP S.A. STAN. 800V Learn More about Littelfuse cg2 gdts	Datasheet	1,408In Stock	Cut Tape ₱234.97 ₱195.09 ₱180.37 ₱149.69 Reel ₱119.02 View ₱138.04 ₱127.61 ₱103.68	Min.: 1 Mult.: 1 : 500	CG2	10 kA	800 V	2 Electrode	Axial	Failsafe Not Protected	8.1 mm	6.07 mm	- 40 C	+ 90 C	Reel, Cut Tape
Gas Discharge Tubes - GDTs / Gas Plasma Arrestors STANDARD 300V NOM CG2300L Littelfuse 1: ₱204.30 854In Stock	Mfr. Part # CG2300L Mouser Part # 576-CG2300L	Littelfuse	Gas Discharge Tubes - GDTs / Gas Plasma Arrestors STANDARD 300V NOM Learn More about Littelfuse cg2 gdts	Datasheet	854In Stock	₱204.30 ₱147.24 ₱130.68 ₱114.11 View ₱107.36 ₱102.45 ₱92.64 ₱91.41	Min.: 1 Mult.: 1	CG2	20 kA	300 V	2 Electrode	Axial	Failsafe Not Protected	8.1 mm	6.07 mm	- 40 C	+ 90 C	Tray
Gas Discharge Tubes - GDTs / Gas Plasma Arrestors STANDARD 230V MS CG2230MS Littelfuse 1: ₱165.03 910In Stock	Mfr. Part # CG2230MS Mouser Part # 576-CG2230MS	Littelfuse	Gas Discharge Tubes - GDTs / Gas Plasma Arrestors STANDARD 230V MS Learn More about Littelfuse cg2 gdts	Datasheet	910In Stock	Cut Tape ₱165.03 ₱147.24 ₱140.49 ₱122.70 Reel ₱97.55 View ₱115.34 ₱108.59 ₱91.41 MouseReel Available	Min.: 1 Mult.: 1 : 500	CG2	20 kA	230 V	2 Electrode	SMD/SMT	Failsafe Not Protected	8.3 mm	6.05 mm	- 40 C	+ 90 C	Reel, Cut Tape, MouseReel
Gas Discharge Tubes - GDTs / Gas Plasma Arrestors STANDARD 230V NOM CG2230 Littelfuse 1: ₱229.45 566In Stock	Mfr. Part # CG2230 Mouser Part # 576-CG2230	Littelfuse	Gas Discharge Tubes - GDTs / Gas Plasma Arrestors STANDARD 230V NOM Learn More about Littelfuse cg2 gdts	Datasheet	566In Stock	₱229.45 ₱209.20 ₱201.84 ₱111.66 View ₱106.75 ₱90.18	Min.: 1 Mult.: 1	CG2	20 kA	230 V	2 Electrode	SMD/SMT	Failsafe Not Protected	8.1 mm	6.07 mm	- 40 C	+ 90 C	Bulk
Gas Discharge Tubes - GDTs / Gas Plasma Arrestors GP S.A. STAN. 350V CG2350 Littelfuse 1: ₱229.45 785In Stock	Mfr. Part # CG2350 Mouser Part # 576-CG2350	Littelfuse	Gas Discharge Tubes - GDTs / Gas Plasma Arrestors GP S.A. STAN. 350V Learn More about Littelfuse cg2 gdts	Datasheet	785In Stock	₱229.45 ₱209.20 ₱201.84 ₱127.61 View ₱114.72 ₱110.43 ₱103.07 ₱102.45 ₱94.48	Min.: 1 Mult.: 1	CG2	20 kA	350 V	2 Electrode	SMD/SMT	Failsafe Not Protected	8.1 mm	6.07 mm	- 40 C	+ 90 C	Bulk
Gas Discharge Tubes - GDTs / Gas Plasma Arrestors GP S.A. STANDARD 800V NOMINAL SMT CG2800LS Littelfuse 1: ₱266.26 500In Stock	Mfr. Part # CG2800LS Mouser Part # 576-CG2800LS	Littelfuse	Gas Discharge Tubes - GDTs / Gas Plasma Arrestors GP S.A. STANDARD 800V NOMINAL SMT Learn More about Littelfuse cg2 gdts	Datasheet	500In Stock	Cut Tape ₱266.26 ₱242.33 ₱233.74 ₱184.05 Reel ₱127.61 View ₱155.83 ₱146.63 ₱126.99 ₱121.47	Min.: 1 Mult.: 1 : 500	CG2	10 kA	800 V	2 Electrode	Axial	Failsafe Not Protected	8.1 mm	6.07 mm	- 40 C	+ 90 C	Reel, Cut Tape
Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 145V MS GP S.A. STANDARD CG2145MS Littelfuse 1: ₱236.81 470In Stock	Mfr. Part # CG2145MS Mouser Part # 576-CG2145MS	Littelfuse	Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 145V MS GP S.A. STANDARD Learn More about Littelfuse cg2 gdts	Datasheet	470In Stock	Cut Tape ₱236.81 ₱215.95 ₱203.07 ₱163.80 Reel ₱113.50 View ₱138.65 ₱130.68 ₱112.88 ₱110.43 MouseReel Available	Min.: 1 Mult.: 1 : 500	CG2	20 kA	145 V	2 Electrode	SMD/SMT	Failsafe Not Protected	8.3 mm	6.05 mm	- 40 C	+ 90 C	Reel, Cut Tape, MouseReel
Gas Discharge Tubes - GDTs / Gas Plasma Arrestors STANDARD 145V NOM CG2145L Littelfuse 1: ₱209.82 2,642In Stock	Mfr. Part # CG2145L Mouser Part # 576-CG2145L	Littelfuse	Gas Discharge Tubes - GDTs / Gas Plasma Arrestors STANDARD 145V NOM Learn More about Littelfuse cg2 gdts	Datasheet	2,642In Stock	₱209.82 ₱174.23 ₱160.74 ₱133.74 View ₱123.31 ₱114.72 ₱105.52	Min.: 1 Mult.: 1	CG2	20 kA	145 V	2 Electrode	Axial	Failsafe Not Protected	8.1 mm	6.07 mm	- 40 C	+ 90 C	Tray
Gas Discharge Tubes - GDTs / Gas Plasma Arrestors GP S.A. STAN. 230V CG2230LTR Littelfuse 1: ₱228.84 1,031In Stock	Mfr. Part # CG2230LTR Mouser Part # 576-CG2230LTR	Littelfuse	Gas Discharge Tubes - GDTs / Gas Plasma Arrestors GP S.A. STAN. 230V Learn More about Littelfuse cg2 gdts	Datasheet	1,031In Stock	Cut Tape ₱228.84 ₱190.19 ₱175.46 ₱145.40 Reel ₱110.43 View ₱134.36 ₱123.31 ₱108.59	Min.: 1 Mult.: 1 : 500	CG2	20 kA	230 V	2 Electrode	Axial	Failsafe Not Protected	8.1 mm	6.07 mm	- 40 C	+ 90 C	Reel, Cut Tape
Gas Discharge Tubes - GDTs / Gas Plasma Arrestors STANDARD 600V NOM CG2600L Littelfuse 1: ₱228.84 774In Stock	Mfr. Part # CG2600L Mouser Part # 576-CG2600L	Littelfuse	Gas Discharge Tubes - GDTs / Gas Plasma Arrestors STANDARD 600V NOM Learn More about Littelfuse cg2 gdts	Datasheet	774In Stock	₱228.84 ₱190.19 ₱175.46 ₱145.40 View ₱134.36 ₱117.79 ₱115.95	Min.: 1 Mult.: 1	CG2	20 kA	600 V	2 Electrode	Axial	Failsafe Not Protected	8.1 mm	6.07 mm	- 40 C	+ 90 C	Tray
Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 800V MS GP S.A. STANDARD CG2800MS Littelfuse 1: ₱203.68 2,103In Stock	Mfr. Part # CG2800MS Mouser Part # 576-CG2800MS	Littelfuse	Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 800V MS GP S.A. STANDARD Learn More about Littelfuse cg2 gdts	Datasheet	2,103In Stock	Cut Tape ₱203.68 ₱174.23 ₱160.74 ₱133.74 Reel ₱107.36 View ₱123.31 ₱112.88 ₱105.52 MouseReel Available	Min.: 1 Mult.: 1 : 500	CG2	10 kA	800 V	2 Electrode	SMD/SMT	Failsafe Not Protected	8.3 mm	6.05 mm	- 40 C	+ 90 C	Reel, Cut Tape, MouseReel
Gas Discharge Tubes - GDTs / Gas Plasma Arrestors GP S.A. STAN. 1000V CG21000 Littelfuse 1: ₱205.52 252In Stock	Mfr. Part # CG21000 Mouser Part # 576-CG21000	Littelfuse	Gas Discharge Tubes - GDTs / Gas Plasma Arrestors GP S.A. STAN. 1000V Learn More about Littelfuse cg2 gdts	Datasheet	252In Stock	₱205.52 ₱170.55 ₱157.67 ₱130.68 View ₱120.86 ₱108.59 ₱103.07	Min.: 1 Mult.: 1	CG2	20 kA	1 kV	2 Electrode	SMD/SMT	Failsafe Not Protected	8.1 mm	6.07 mm	- 40 C	+ 90 C	Bulk
Gas Discharge Tubes - GDTs / Gas Plasma Arrestors STANDARD 1000V NOM CG21000L Littelfuse 1: ₱229.45 213In Stock 700Expected 06/01/2027	Mfr. Part # CG21000L Mouser Part # 576-CG21000L	Littelfuse	Gas Discharge Tubes - GDTs / Gas Plasma Arrestors STANDARD 1000V NOM Learn More about Littelfuse cg2 gdts	Datasheet	213In Stock 700Expected 06/01/2027	₱229.45 ₱217.18 ₱191.41 ₱150.31 View ₱139.26 ₱115.95	Min.: 1 Mult.: 1	CG2	20 kA	1 kV	2 Electrode	Axial	Failsafe Not Protected	8.1 mm	6.07 mm	- 40 C	+ 90 C	Tray
Gas Discharge Tubes - GDTs / Gas Plasma Arrestors GP S.A. STAN. 1000V CG21000LTR Littelfuse 1: ₱234.97 134In Stock 1,000Expected 05/04/2027	Mfr. Part # CG21000LTR Mouser Part # 576-CG21000LTR	Littelfuse	Gas Discharge Tubes - GDTs / Gas Plasma Arrestors GP S.A. STAN. 1000V Learn More about Littelfuse cg2 gdts	Datasheet	134In Stock 1,000Expected 05/04/2027	Cut Tape ₱234.97 ₱195.09 ₱180.37 ₱149.69 View Reel ₱119.63 ₱138.04 ₱127.61 ₱119.63	Min.: 1 Mult.: 1 : 500	CG2	10 kA	1 kV	2 Electrode	Axial	Failsafe Not Protected	8.1 mm	6.07 mm	- 40 C	+ 90 C	Reel, Cut Tape
Gas Discharge Tubes - GDTs / Gas Plasma Arrestors STANDARD 1000V MS CG21000MS Littelfuse 1: ₱209.82 723In Stock 1,000Expected 23/02/2027	Mfr. Part # CG21000MS Mouser Part # 576-CG21000MS	Littelfuse	Gas Discharge Tubes - GDTs / Gas Plasma Arrestors STANDARD 1000V MS Learn More about Littelfuse cg2 gdts	Datasheet	723In Stock 1,000Expected 23/02/2027	Cut Tape ₱209.82 ₱174.23 ₱160.74 ₱133.74 Reel ₱107.98 View ₱123.31 ₱112.88 ₱98.77 ₱91.41 MouseReel Available	Min.: 1 Mult.: 1 : 500	CG2	20 kA	1 kV	2 Electrode	SMD/SMT	Failsafe Not Protected	8.3 mm	6.05 mm	- 40 C	+ 90 C	Reel, Cut Tape, MouseReel
Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 1000V MS TR GP S.A. STANDARD CG21000MSTR Littelfuse 1: ₱236.81 396In Stock 500Expected 27/01/2027	Mfr. Part # CG21000MSTR Mouser Part # 576-CG21000MSTR	Littelfuse	Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 1000V MS TR GP S.A. STANDARD Learn More about Littelfuse cg2 gdts	Datasheet	396In Stock 500Expected 27/01/2027	Cut Tape ₱236.81 ₱196.93 ₱181.60 ₱150.92 View Reel ₱120.25 ₱139.26 ₱128.84 ₱120.25 MouseReel Available	Min.: 1 Mult.: 1 : 500	CG2	20 kA	1 kV	2 Electrode	SMD/SMT	Failsafe Not Protected	8.3 mm	6.05 mm	- 40 C	+ 90 C	Reel, Cut Tape, MouseReel
Gas Discharge Tubes - GDTs / Gas Plasma Arrestors STANDARD 230V NOM CG2230L Littelfuse 1: ₱202.46 684In Stock 1,750On Order	Mfr. Part # CG2230L Mouser Part # 576-CG2230L	Littelfuse	Gas Discharge Tubes - GDTs / Gas Plasma Arrestors STANDARD 230V NOM Learn More about Littelfuse cg2 gdts	Datasheet	684In Stock 1,750On Order On Order Ship Dates Mfr. #: CG2230L Stock: 684 Can Ship Immediately On Order: 700 Expected 17/03/2027 1,050 Expected 07/04/2027 Factory Lead-Time: 17 Weeks	₱202.46 ₱174.23 ₱155.83 ₱134.97 View ₱122.09 ₱118.41 ₱111.04 ₱105.52	Min.: 1 Mult.: 1	CG2	20 kA	230 V	2 Electrode	Axial	Failsafe Not Protected	8.1 mm	6.07 mm	- 40 C	+ 90 C	Tray
Gas Discharge Tubes - GDTs / Gas Plasma Arrestors GP S.A. STAN. 250V CG2250L Littelfuse 1: ₱222.09 364In Stock 700Expected 10/11/2026	Mfr. Part # CG2250L Mouser Part # 576-CG2250L	Littelfuse	Gas Discharge Tubes - GDTs / Gas Plasma Arrestors GP S.A. STAN. 250V Learn More about Littelfuse cg2 gdts	Datasheet	364In Stock 700Expected 10/11/2026	₱222.09 ₱184.66 ₱170.55 ₱141.72 View ₱130.68 ₱112.88 ₱105.52	Min.: 1 Mult.: 1	CG2	20 kA	250 V	2 Electrode	Axial	Failsafe Not Protected	8.1 mm	6.07 mm	- 40 C	+ 90 C	Tray
Gas Discharge Tubes - GDTs / Gas Plasma Arrestors STANDARD 350V NOM CG2350L Littelfuse 1: ₱220.86 5In Stock 2,100Expected 05/04/2027	Mfr. Part # CG2350L Mouser Part # 576-CG2350L	Littelfuse	Gas Discharge Tubes - GDTs / Gas Plasma Arrestors STANDARD 350V NOM Learn More about Littelfuse cg2 gdts	Datasheet	5In Stock 2,100Expected 05/04/2027	₱220.86 ₱209.20 ₱160.74 ₱133.74 View ₱123.31 ₱106.14 ₱105.52	Min.: 1 Mult.: 1	CG2	20 kA	350 V	2 Electrode	Axial	Failsafe Not Protected	8.1 mm	6.07 mm	- 40 C	+ 90 C	Tray
Gas Discharge Tubes - GDTs / Gas Plasma Arrestors GP S.A. STAN. 350V CG2350LTR Littelfuse 1: ₱239.88 276In Stock	Mfr. Part # CG2350LTR Mouser Part # 576-CG2350LTR	Littelfuse	Gas Discharge Tubes - GDTs / Gas Plasma Arrestors GP S.A. STAN. 350V Learn More about Littelfuse cg2 gdts	Datasheet	276In Stock	Cut Tape ₱239.88 ₱199.39 ₱184.05 ₱152.76 View Reel ₱108.59 ₱141.11 ₱126.38 ₱108.59	Min.: 1 Mult.: 1 : 500	CG2	20 kA	350 V	2 Electrode	Axial	Failsafe Not Protected	8.1 mm	6.07 mm	- 40 C	+ 90 C	Reel, Cut Tape
Gas Discharge Tubes - GDTs / Gas Plasma Arrestors STANDARD 350V MS CG2350MS Littelfuse 1: ₱233.13 475In Stock	Mfr. Part # CG2350MS Mouser Part # 576-CG2350MS	Littelfuse	Gas Discharge Tubes - GDTs / Gas Plasma Arrestors STANDARD 350V MS Learn More about Littelfuse cg2 gdts	Datasheet	475In Stock	Cut Tape ₱233.13 ₱193.25 ₱178.53 ₱148.47 View Reel ₱105.52 ₱136.81 ₱122.70 ₱105.52 MouseReel Available	Min.: 1 Mult.: 1 : 500	CG2	20 kA	350 V	2 Electrode	SMD/SMT	Failsafe Not Protected	8.3 mm	6.05 mm	- 40 C	+ 90 C	Reel, Cut Tape, MouseReel
Gas Discharge Tubes - GDTs / Gas Plasma Arrestors STANDARD 420V NOM CG2420L Littelfuse 1: ₱209.82 263In Stock	Mfr. Part # CG2420L Mouser Part # 576-CG2420L	Littelfuse	Gas Discharge Tubes - GDTs / Gas Plasma Arrestors STANDARD 420V NOM Learn More about Littelfuse cg2 gdts	Datasheet	263In Stock	₱209.82 ₱174.23 ₱160.74 ₱133.74 View ₱123.31 ₱106.14 ₱105.52	Min.: 1 Mult.: 1	CG2	20 kA	420 V	2 Electrode	Axial	Failsafe Not Protected	8.1 mm	6.07 mm	- 40 C	+ 90 C	Tray
Gas Discharge Tubes - GDTs / Gas Plasma Arrestors STANDARD 470V NOM CG2470L Littelfuse 1: ₱209.82 579In Stock 700Expected 02/03/2027	Mfr. Part # CG2470L Mouser Part # 576-CG2470L	Littelfuse	Gas Discharge Tubes - GDTs / Gas Plasma Arrestors STANDARD 470V NOM Learn More about Littelfuse cg2 gdts	Datasheet	579In Stock 700Expected 02/03/2027	₱209.82 ₱174.23 ₱160.74 ₱133.74 View ₱123.31 ₱106.14 ₱105.52	Min.: 1 Mult.: 1	CG2	20 kA	470 V	2 Electrode	Axial	Failsafe Not Protected	8.1 mm	6.07 mm	- 40 C	+ 90 C	Tray
Gas Discharge Tubes - GDTs / Gas Plasma Arrestors GP S.A. STAN. 470V CG2470LSN Littelfuse 1: ₱209.82 174In Stock	Mfr. Part # CG2470LSN Mouser Part # 576-CG2470LSN	Littelfuse	Gas Discharge Tubes - GDTs / Gas Plasma Arrestors GP S.A. STAN. 470V Learn More about Littelfuse cg2 gdts	Datasheet	174In Stock	₱209.82 ₱174.23 ₱160.74 ₱160.12 View ₱138.65 ₱106.14 ₱105.52	Min.: 1 Mult.: 1	CG2	20 kA	470 V	2 Electrode	Axial	Failsafe Not Protected	8.1 mm	6.07 mm	- 40 C	+ 90 C	Tray

CG2 Gas Discharge Tubes (GDTs)

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CG2 Gas Discharge Tubes (GDTs)

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