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Part Number	Manufacturer	Description	Package	Stock	Package	Series	Voltage - DC Spark Over (Nom)	Impulse Discharge Current (8/20µs)	Tolerance	Number of Poles	Fail Short	Mounting Type	Package / Case
GTCR36-401M-R05	Littelfuse Inc.	GDT 400V 20% 5KA THROUGH HOLE	Package: Radial Cylinder, 3 Lead	Stock20,688	Radial Cylinder, 3 Lead	GT	400V	5000A (5kA)	±20%	3	No	Through Hole	Radial Cylinder, 3 Lead
GTCR37-401M-R10	Littelfuse Inc.	GDT 400V 20% 10KA THROUGH HOLE	Package: Radial Cylinder, 3 Lead	Stock22,392	Radial Cylinder, 3 Lead	GT	400V	10000A (10kA)	±20%	3	No	Through Hole	Radial Cylinder, 3 Lead
GTCA36-421M-R10	Littelfuse Inc.	GDT 420V 20% 10KA THROUGH HOLE	Package: Axial Cylinder, 3 Lead (Radial Bend)	Stock12,066	Axial Cylinder, 3 Lead (Radial Bend)	GTC	420V	10000A (10kA)	±20%	3	No	Through Hole	Axial Cylinder, 3 Lead (Radial Bend)
GTCR36-201M-R10	Littelfuse Inc.	GDT 200V 20% 10KA THROUGH HOLE	Package: Radial Cylinder, 3 Lead	Stock20,484	Radial Cylinder, 3 Lead	GT	200V	10000A (10kA)	±20%	3	No	Through Hole	Radial Cylinder, 3 Lead
GTCR36-351M-R05	Littelfuse Inc.	GDT 350V 20% 5KA THROUGH HOLE	Package: Radial Cylinder, 3 Lead	Stock20,400	Radial Cylinder, 3 Lead	GT	350V	5000A (5kA)	±20%	3	No	Through Hole	Radial Cylinder, 3 Lead
GTCR37-251M-R10	Littelfuse Inc.	GDT 250V 20% 10KA THROUGH HOLE	Package: Radial Cylinder, 3 Lead	Stock21,036	Radial Cylinder, 3 Lead	GT	250V	10000A (10kA)	±20%	3	No	Through Hole	Radial Cylinder, 3 Lead
GTCA36-251M-R10	Littelfuse Inc.	GDT 250V 20% 10KA THROUGH HOLE	Package: Axial Cylinder, 3 Lead (Radial Bend)	Stock14,418	Axial Cylinder, 3 Lead (Radial Bend)	GT	250V	10000A (10kA)	±20%	3	No	Through Hole	Axial Cylinder, 3 Lead (Radial Bend)
2026-35-C2F	Bourns Inc.	GDT 350V 20% 20KA T/H FAIL SHORT	Package: Axial Cylinder, 3 Lead (Radial Bend)	Stock17,052	Axial Cylinder, 3 Lead (Radial Bend)	TRIGARD? 2026	350V	20000A (20kA)	±20%	3	Yes	Through Hole	Axial Cylinder, 3 Lead (Radial Bend)
GTCS25-471L-R05	Littelfuse Inc.	GDT 470V 15% 5KA SURFACE MOUNT	Package: 2-SMD Cylinder Square End	Stock20,184	2-SMD Cylinder Square End	GTC	470V	5000A (5kA)	±15%	1	No	Surface Mount	2-SMD Cylinder Square End
GTCS25-351M-R02	Littelfuse Inc.	GDT 350V 20% 2.5KA SURFACE MOUNT	Package: 2-SMD Cylinder Square End	Stock18,156	2-SMD Cylinder Square End	GT	350V	2500A (2.5kA)	±20%	2	No	Surface Mount	2-SMD Cylinder Square End
SL1021A420R	Littelfuse Inc.	GDT 420V 10KA THROUGH HOLE	Package: Axial Cylinder, 3 Lead (Radial Bend)	Stock7,140	Axial Cylinder, 3 Lead (Radial Bend)	SL1021A	420V	10000A (10kA)	-	3	No	Through Hole	Axial Cylinder, 3 Lead (Radial Bend)
SL1021A250R	Littelfuse Inc.	GDT 250V 10KA THROUGH HOLE	Package: Axial Cylinder, 3 Lead (Radial Bend)	Stock8,328	Axial Cylinder, 3 Lead (Radial Bend)	SL1021A	250V	10000A (10kA)	-	3	No	Through Hole	Axial Cylinder, 3 Lead (Radial Bend)
SL1021A600R	Littelfuse Inc.	GDT 600V 10KA THROUGH HOLE	Package: Axial Cylinder, 3 Lead (Radial Bend)	Stock8,136	Axial Cylinder, 3 Lead (Radial Bend)	SL1021A	600V	10000A (10kA)	-	3	No	Through Hole	Axial Cylinder, 3 Lead (Radial Bend)
SL1021A450R	Littelfuse Inc.	GDT 450V 10KA THROUGH HOLE	Package: Axial Cylinder, 3 Lead (Radial Bend)	Stock8,868	Axial Cylinder, 3 Lead (Radial Bend)	SL1021A	450V	10000A (10kA)	-	3	No	Through Hole	Axial Cylinder, 3 Lead (Radial Bend)
GTCA38-750M-R10	Littelfuse Inc.	GDT 75V 20% 10KA THROUGH HOLE	Package: Axial Cylinder, 3 Lead (Radial Bend)	Stock12,528	Axial Cylinder, 3 Lead (Radial Bend)	GT	75V	10000A (10kA)	±20%	3	No	Through Hole	Axial Cylinder, 3 Lead (Radial Bend)
GTCR38-471M-R10	Littelfuse Inc.	GDT 470V 20% 10KA THROUGH HOLE	Package: Radial Cylinder, 3 Lead	Stock20,964	Radial Cylinder, 3 Lead	GT	470V	10000A (10kA)	±20%	3	No	Through Hole	Radial Cylinder, 3 Lead
GTCA38-231M-R10	Littelfuse Inc.	GDT 230V 20% 10KA THROUGH HOLE	Package: Axial Cylinder, 3 Lead (Radial Bend)	Stock14,532	Axial Cylinder, 3 Lead (Radial Bend)	GT	230V	10000A (10kA)	±20%	3	No	Through Hole	Axial Cylinder, 3 Lead (Radial Bend)
GTCR38-151M-R10	Littelfuse Inc.	GDT 150V 20% 10KA THROUGH HOLE	Package: Radial Cylinder, 3 Lead	Stock19,824	Radial Cylinder, 3 Lead	GT	150V	10000A (10kA)	±20%	3	No	Through Hole	Radial Cylinder, 3 Lead
GTCA38-351M-R10	Littelfuse Inc.	GDT 350V 20% 10KA THROUGH HOLE	Package: Axial Cylinder, 3 Lead (Radial Bend)	Stock16,716	Axial Cylinder, 3 Lead (Radial Bend)	GT	350V	10000A (10kA)	±20%	3	No	Through Hole	Axial Cylinder, 3 Lead (Radial Bend)
GTCR38-501M-R10	Littelfuse Inc.	GDT 500V 20% 10KA THROUGH HOLE	Package: Radial Cylinder, 3 Lead	Stock23,004	Radial Cylinder, 3 Lead	GT	500V	10000A (10kA)	±20%	3	No	Through Hole	Radial Cylinder, 3 Lead
GTCR38-401M-R10	Littelfuse Inc.	GDT 400V 20% 10KA THROUGH HOLE	Package: Radial Cylinder, 3 Lead	Stock17,328	Radial Cylinder, 3 Lead	GT	400V	10000A (10kA)	±20%	3	No	Through Hole	Radial Cylinder, 3 Lead
GTCR38-351M-R10	Littelfuse Inc.	GDT 350V 20% 10KA THROUGH HOLE	Package: Radial Cylinder, 3 Lead	Stock16,764	Radial Cylinder, 3 Lead	GT	350V	10000A (10kA)	±20%	3	No	Through Hole	Radial Cylinder, 3 Lead
GTCA38-471M-R10	Littelfuse Inc.	GDT 470V 20% 10KA THROUGH HOLE	Package: Axial Cylinder, 3 Lead (Radial Bend)	Stock17,652	Axial Cylinder, 3 Lead (Radial Bend)	GTC	470V	10000A (10kA)	±20%	3	No	Through Hole	Axial Cylinder, 3 Lead (Radial Bend)
GTCR38-421L-R10	Littelfuse Inc.	GDT 420V 15% 10KA THROUGH HOLE	Package: Radial Cylinder, 3 Lead	Stock17,640	Radial Cylinder, 3 Lead	GT	420V	10000A (10kA)	±15%	3	No	Through Hole	Radial Cylinder, 3 Lead
GTCA38-261M-R10	Littelfuse Inc.	GDT 260V 20% 10KA THROUGH HOLE	Package: Axial Cylinder, 3 Lead (Radial Bend)	Stock20,088	Axial Cylinder, 3 Lead (Radial Bend)	GT	260V	10000A (10kA)	±20%	3	No	Through Hole	Axial Cylinder, 3 Lead (Radial Bend)
GTCR38-251M-R10	Littelfuse Inc.	GDT 350V 20% 10KA THROUGH HOLE	Package: Radial Cylinder, 3 Lead	Stock13,194	Radial Cylinder, 3 Lead	GT	350V	10000A (10kA)	±20%	3	No	Through Hole	Radial Cylinder, 3 Lead
GTCT35-401M-R05	Littelfuse Inc.	GDT 400V 20% 5KA THROUGH HOLE	Package: Axial Cylinder, 3 Lead (T-Shape)	Stock17,784	Axial Cylinder, 3 Lead (T-Shape)	GTC	400V	5000A (5kA)	±20%	3	No	Through Hole	Axial Cylinder, 3 Lead (T-Shape)
GTCT35-750M-R05	Littelfuse Inc.	GDT 75V 20% 5KA THROUGH HOLE	Package: Axial Cylinder, 3 Lead (T-Shape)	Stock18,996	Axial Cylinder, 3 Lead (T-Shape)	GTC	75V	5000A (5kA)	±20%	3	No	Through Hole	Axial Cylinder, 3 Lead (T-Shape)
GTCA35-421M-R05	Littelfuse Inc.	GDT 420V 20% 5KA THROUGH HOLE	Package: Axial Cylinder, 3 Lead (Radial Bend)	Stock12,348	Axial Cylinder, 3 Lead (Radial Bend)	GT	420V	5000A (5kA)	±20%	3	No	Through Hole	Axial Cylinder, 3 Lead (Radial Bend)
SL1411A470SM	Littelfuse Inc.	GDT 470V 10KA SURFACE MOUNT	Package: 2-SMD Cylinder Square End	Stock3,240	2-SMD Cylinder Square End	SL1411A	470V	10000A (10kA)	-	2	No	Surface Mount	2-SMD Cylinder Square End

GTCR36-401M-R05

Littelfuse Inc.

GDT 400V 20% 5KA THROUGH HOLE

Package: Radial Cylinder, 3 Lead

Stock20,688

Radial Cylinder, 3 Lead

GT

400V

5000A (5kA)

±20%

3

No

Through Hole

Radial Cylinder, 3 Lead

GTCR37-401M-R10

Littelfuse Inc.

GDT 400V 20% 10KA THROUGH HOLE

Package: Radial Cylinder, 3 Lead

Stock22,392

Radial Cylinder, 3 Lead

GT

400V

10000A (10kA)

±20%

3

No

Through Hole

Radial Cylinder, 3 Lead

GTCA36-421M-R10

Littelfuse Inc.

GDT 420V 20% 10KA THROUGH HOLE

Package: Axial Cylinder, 3 Lead (Radial Bend)

Stock12,066

Axial Cylinder, 3 Lead (Radial Bend)

GTC

420V

10000A (10kA)

±20%

3

No

Through Hole

Axial Cylinder, 3 Lead (Radial Bend)

GTCR36-201M-R10

Littelfuse Inc.

GDT 200V 20% 10KA THROUGH HOLE

Package: Radial Cylinder, 3 Lead

Stock20,484

Radial Cylinder, 3 Lead

GT

200V

10000A (10kA)

±20%

3

No

Through Hole

Radial Cylinder, 3 Lead

GTCR36-351M-R05

Littelfuse Inc.

GDT 350V 20% 5KA THROUGH HOLE

Package: Radial Cylinder, 3 Lead

Stock20,400

Radial Cylinder, 3 Lead

GT

350V

5000A (5kA)

±20%

3

No

Through Hole

Radial Cylinder, 3 Lead

GTCR37-251M-R10

Littelfuse Inc.

GDT 250V 20% 10KA THROUGH HOLE

Package: Radial Cylinder, 3 Lead

Stock21,036

Radial Cylinder, 3 Lead

GT

250V

10000A (10kA)

±20%

3

No

Through Hole

Radial Cylinder, 3 Lead

GTCA36-251M-R10

Littelfuse Inc.

GDT 250V 20% 10KA THROUGH HOLE

Package: Axial Cylinder, 3 Lead (Radial Bend)

Stock14,418

Axial Cylinder, 3 Lead (Radial Bend)

GT

250V

10000A (10kA)

±20%

3

No

Through Hole

Axial Cylinder, 3 Lead (Radial Bend)

2026-35-C2F

Bourns Inc.

GDT 350V 20% 20KA T/H FAIL SHORT

Package: Axial Cylinder, 3 Lead (Radial Bend)

Stock17,052

Axial Cylinder, 3 Lead (Radial Bend)

TRIGARD? 2026

350V

20000A (20kA)

±20%

3

Yes

Through Hole

Axial Cylinder, 3 Lead (Radial Bend)

GTCS25-471L-R05

Littelfuse Inc.

GDT 470V 15% 5KA SURFACE MOUNT

Package: 2-SMD Cylinder Square End

Stock20,184

2-SMD Cylinder Square End

GTC

470V

5000A (5kA)

±15%

1

No

Surface Mount

2-SMD Cylinder Square End

GTCS25-351M-R02

Littelfuse Inc.

GDT 350V 20% 2.5KA SURFACE MOUNT

Package: 2-SMD Cylinder Square End

Stock18,156

2-SMD Cylinder Square End

GT

350V

2500A (2.5kA)

±20%

2

No

Surface Mount

2-SMD Cylinder Square End

SL1021A420R

Littelfuse Inc.

GDT 420V 10KA THROUGH HOLE

Package: Axial Cylinder, 3 Lead (Radial Bend)

Stock7,140

Axial Cylinder, 3 Lead (Radial Bend)

SL1021A

420V

10000A (10kA)

-

3

No

Through Hole

Axial Cylinder, 3 Lead (Radial Bend)

SL1021A250R

Littelfuse Inc.

GDT 250V 10KA THROUGH HOLE

Package: Axial Cylinder, 3 Lead (Radial Bend)

Stock8,328

Axial Cylinder, 3 Lead (Radial Bend)

SL1021A

250V

10000A (10kA)

-

3

No

Through Hole

Axial Cylinder, 3 Lead (Radial Bend)

SL1021A600R

Littelfuse Inc.

GDT 600V 10KA THROUGH HOLE

Package: Axial Cylinder, 3 Lead (Radial Bend)

Stock8,136

Axial Cylinder, 3 Lead (Radial Bend)

SL1021A

600V

10000A (10kA)

-

3

No

Through Hole

Axial Cylinder, 3 Lead (Radial Bend)

SL1021A450R

Littelfuse Inc.

GDT 450V 10KA THROUGH HOLE

Package: Axial Cylinder, 3 Lead (Radial Bend)

Stock8,868

Axial Cylinder, 3 Lead (Radial Bend)

SL1021A

450V

10000A (10kA)

-

3

No

Through Hole

Axial Cylinder, 3 Lead (Radial Bend)

GTCA38-750M-R10

Littelfuse Inc.

GDT 75V 20% 10KA THROUGH HOLE

Package: Axial Cylinder, 3 Lead (Radial Bend)

Stock12,528

Axial Cylinder, 3 Lead (Radial Bend)

GT

75V

10000A (10kA)

±20%

3

No

Through Hole

Axial Cylinder, 3 Lead (Radial Bend)

GTCR38-471M-R10

Littelfuse Inc.

GDT 470V 20% 10KA THROUGH HOLE

Package: Radial Cylinder, 3 Lead

Stock20,964

Radial Cylinder, 3 Lead

GT

470V

10000A (10kA)

±20%

3

No

Through Hole

Radial Cylinder, 3 Lead

GTCA38-231M-R10

Littelfuse Inc.

GDT 230V 20% 10KA THROUGH HOLE

Package: Axial Cylinder, 3 Lead (Radial Bend)

Stock14,532

Axial Cylinder, 3 Lead (Radial Bend)

GT

230V

10000A (10kA)

±20%

3

No

Through Hole

Axial Cylinder, 3 Lead (Radial Bend)

GTCR38-151M-R10

Littelfuse Inc.

GDT 150V 20% 10KA THROUGH HOLE

Package: Radial Cylinder, 3 Lead

Stock19,824

Radial Cylinder, 3 Lead

GT

150V

10000A (10kA)

±20%

3

No

Through Hole

Radial Cylinder, 3 Lead

GTCA38-351M-R10

Littelfuse Inc.

GDT 350V 20% 10KA THROUGH HOLE

Package: Axial Cylinder, 3 Lead (Radial Bend)

Stock16,716

Axial Cylinder, 3 Lead (Radial Bend)

GT

350V

10000A (10kA)

±20%

3

No

Through Hole

Axial Cylinder, 3 Lead (Radial Bend)

GTCR38-501M-R10

Littelfuse Inc.

GDT 500V 20% 10KA THROUGH HOLE

Package: Radial Cylinder, 3 Lead

Stock23,004

Radial Cylinder, 3 Lead

GT

500V

10000A (10kA)

±20%

3

No

Through Hole

Radial Cylinder, 3 Lead

GTCR38-401M-R10

Littelfuse Inc.

GDT 400V 20% 10KA THROUGH HOLE

Package: Radial Cylinder, 3 Lead

Stock17,328

Radial Cylinder, 3 Lead

GT

400V

10000A (10kA)

±20%

3

No

Through Hole

Radial Cylinder, 3 Lead

GTCR38-351M-R10

Littelfuse Inc.

GDT 350V 20% 10KA THROUGH HOLE

Package: Radial Cylinder, 3 Lead

Stock16,764

Radial Cylinder, 3 Lead

GT

350V

10000A (10kA)

±20%

3

No

Through Hole

Radial Cylinder, 3 Lead

GTCA38-471M-R10

Littelfuse Inc.

GDT 470V 20% 10KA THROUGH HOLE

Package: Axial Cylinder, 3 Lead (Radial Bend)

Stock17,652

Axial Cylinder, 3 Lead (Radial Bend)

GTC

470V

10000A (10kA)

±20%

3

No

Through Hole

Axial Cylinder, 3 Lead (Radial Bend)

GTCR38-421L-R10

Littelfuse Inc.

GDT 420V 15% 10KA THROUGH HOLE

Package: Radial Cylinder, 3 Lead

Stock17,640

Radial Cylinder, 3 Lead

GT

420V

10000A (10kA)

±15%

3

No

Through Hole

Radial Cylinder, 3 Lead

GTCA38-261M-R10

Littelfuse Inc.

GDT 260V 20% 10KA THROUGH HOLE

Package: Axial Cylinder, 3 Lead (Radial Bend)

Stock20,088

Axial Cylinder, 3 Lead (Radial Bend)

GT

260V

10000A (10kA)

±20%

3

No

Through Hole

Axial Cylinder, 3 Lead (Radial Bend)

GTCR38-251M-R10

Littelfuse Inc.

GDT 350V 20% 10KA THROUGH HOLE

Package: Radial Cylinder, 3 Lead

Stock13,194

Radial Cylinder, 3 Lead

GT

350V

10000A (10kA)

±20%

3

No

Through Hole

Radial Cylinder, 3 Lead

GTCT35-401M-R05

Littelfuse Inc.

GDT 400V 20% 5KA THROUGH HOLE

Package: Axial Cylinder, 3 Lead (T-Shape)

Stock17,784

Axial Cylinder, 3 Lead (T-Shape)

GTC

400V

5000A (5kA)

±20%

3

No

Through Hole

Axial Cylinder, 3 Lead (T-Shape)

GTCT35-750M-R05

Littelfuse Inc.

GDT 75V 20% 5KA THROUGH HOLE

Package: Axial Cylinder, 3 Lead (T-Shape)

Stock18,996

Axial Cylinder, 3 Lead (T-Shape)

GTC

75V

5000A (5kA)

±20%

3

No

Through Hole

Axial Cylinder, 3 Lead (T-Shape)

GTCA35-421M-R05

Littelfuse Inc.

GDT 420V 20% 5KA THROUGH HOLE

Package: Axial Cylinder, 3 Lead (Radial Bend)

Stock12,348

Axial Cylinder, 3 Lead (Radial Bend)

GT

420V

5000A (5kA)

±20%

3

No

Through Hole

Axial Cylinder, 3 Lead (Radial Bend)

SL1411A470SM

Littelfuse Inc.

GDT 470V 10KA SURFACE MOUNT

Package: 2-SMD Cylinder Square End

Stock3,240

2-SMD Cylinder Square End

SL1411A

470V

10000A (10kA)

-

2

No

Surface Mount

2-SMD Cylinder Square End

Gas Discharge Tube Arresters (GDT)