Circuit Protection – Mouser Canada

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Ethernet ESD, Lightning, & Power Fault Protection

Littelfuse Ethernet/PoE ESD, EFT, Lightning, and Power Fault Protection ensures that the power fault overcurrent can be protected with Telelink fuses. The Ethernet Power Fault Protection includes the SMCJ and SP40 TVS Diode, SP3, SRV05xx, LC03xx, and SP40xx Diode Array, and the 0461xxx Fuse series. Littelfuse Ethernet/PoE ESD, EFT, Lightning, and Power Fault Protection products meet various applicable standards.

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Types of Circuit Protection

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Results: 326

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RoHS Compliant

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Part #

Surface Mount Fuses TELECOM NANO2 250V 16mm TAPE 1.25A

04611.25ER16
Littelfuse
1: $2.40
1,015In Stock

Mfr. Part #
04611.25ER16

Mouser Part #
576-04611.25ER16

Surface Mount Fuses TELECOM NANO2 250V 16mm TAPE 1.25A

Datasheet

1,015In Stock

Cut Tape

$2.40

$2.15

$2.02

$1.67

View

Reel

$1.02

MouseReel Available

Min.: 1
Mult.: 1

Reel: 2,500

ESD Protection Diodes / TVS Diodes ESD 6V UNI

SRV05-4HTG-D
Littelfuse
1: $1.84
60,897Expected 2026-04-08

Mfr. Part #
SRV05-4HTG-D

Mouser Part #
576-SRV05-4HTG-D

ESD Protection Diodes / TVS Diodes ESD 6V UNI

Datasheet

60,897Expected 2026-04-08

Cut Tape

$1.84

$1.24

$0.823

$0.64

Reel

$0.502

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

ESD Protection Diodes / TVS Diodes 3.3V Diode Array

SP4042-02UTG
Littelfuse
1: $2.54
6,000On Order

Mfr. Part #
SP4042-02UTG

Mouser Part #
576-SP4042-02UTG

ESD Protection Diodes / TVS Diodes 3.3V Diode Array

Datasheet

6,000On Order

Cut Tape

$2.54

$2.26

Reel

$2.20

$2.17

Quote

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors GP S.A. STAN 90V

CG590LS
Littelfuse
1: $4.25
899Expected 2026-04-03

Mfr. Part #
CG590LS

Mouser Part #
576-CG590LS

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors GP S.A. STAN 90V

Datasheet

899Expected 2026-04-03

Cut Tape

$4.25

$3.16

$2.71

$2.68

Reel

$1.91

View

Min.: 1
Mult.: 1

Reel: 900

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 263-437V 2A GDT T/R 2 Term

SG350
Littelfuse
1: $2.23
2,000Expected 2026-05-21

Mfr. Part #
SG350

Mouser Part #
576-SG350

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 263-437V 2A GDT T/R 2 Term

Datasheet

2,000Expected 2026-05-21

Cut Tape

$2.23

$2.00

$1.88

$1.54

View

Reel

$1.01

MouseReel Available

Min.: 1
Mult.: 1

Reel: 2,000

Fuse Kits & Assortments Emergency Diagnostic MINI

00940461ZP
Littelfuse
1: $33.45
455Factory Stock Available

Mfr. Part #
00940461ZP

Mouser Part #
576-00940461ZP

Fuse Kits & Assortments Emergency Diagnostic MINI

Datasheet

455Factory Stock Available

More Info Available

$33.45

$30.43

$27.90

$24.09

View

Min.: 1
Mult.: 1

No

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors S.A.STANDARD.90V WITH FAILSAFE

CG5350LF
Littelfuse
350: $4.45
Non-Stocked Lead-Time 12 Weeks

Mfr. Part #
CG5350LF

Mouser Part #
576-CG5350LF

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors S.A.STANDARD.90V WITH FAILSAFE

Datasheet

Non-Stocked Lead-Time 12 Weeks

Reel

$4.45

$4.36

$4.25

$4.19

Min.: 350
Mult.: 350

Reel: 350

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors S.A.FORMED.90V WITH FAILSAFE

CG5350LNF
Littelfuse
500: $3.74
Non-Stocked Lead-Time 12 Weeks

Mfr. Part #
CG5350LNF

Mouser Part #
576-CG5350LNF

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors S.A.FORMED.90V WITH FAILSAFE

Datasheet

Non-Stocked Lead-Time 12 Weeks

Reel

$3.74

Min.: 500
Mult.: 500

Reel: 500

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 350V Standard GP Nominal

CG5350LSTR
Littelfuse
900: $5.52
Non-Stocked Lead-Time 12 Weeks

Mfr. Part #
CG5350LSTR

Mouser Part #
576-CG5350LSTR

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 350V Standard GP Nominal

Datasheet

Non-Stocked Lead-Time 12 Weeks

Reel

$5.52

Min.: 900
Mult.: 900

Reel: 900

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors GP BIPOLAR SURGE ARRESTOR MS

CG5350MS
Littelfuse
900: $2.20
Non-Stocked Lead-Time 12 Weeks

Mfr. Part #
CG5350MS

Mouser Part #
576-CG5350MS

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors GP BIPOLAR SURGE ARRESTOR MS

Datasheet

Non-Stocked Lead-Time 12 Weeks

Reel

$2.20

Min.: 900
Mult.: 900

Reel: 900

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors S.A. STAN .470V W/ FAILSAFE

CG5470LNF
Littelfuse
500: $2.87
Non-Stocked Lead-Time 12 Weeks

Mfr. Part #
CG5470LNF

Mouser Part #
576-CG5470LNF

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors S.A. STAN .470V W/ FAILSAFE

Datasheet

Non-Stocked Lead-Time 12 Weeks

$2.87

Min.: 500
Mult.: 500

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors S.A.STANDARD LEADED.470V NOMINAL SMT

CG5470LS
Littelfuse
900: $5.52
Non-Stocked Lead-Time 12 Weeks

Mfr. Part #
CG5470LS

Mouser Part #
576-CG5470LS

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors S.A.STANDARD LEADED.470V NOMINAL SMT

Datasheet

Non-Stocked Lead-Time 12 Weeks

Reel

$5.52

Min.: 900
Mult.: 900

Reel: 900

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors GP S.A. STANDARD 600V NOMINAL SMT

CG5600LS
Littelfuse
900: $1.88
Non-Stocked Lead-Time 12 Weeks

Mfr. Part #
CG5600LS

Mouser Part #
576-CG5600LS

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors GP S.A. STANDARD 600V NOMINAL SMT

Datasheet

Non-Stocked Lead-Time 12 Weeks

Reel

$1.88

Min.: 900
Mult.: 900

Reel: 900

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 145V SMD Ultra Low 0.3pF

CG6145SM
Littelfuse
2,000: $1.83
Non-Stocked Lead-Time 12 Weeks

Mfr. Part #
CG6145SM

Mouser Part #
576-CG6145SM

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 145V SMD Ultra Low 0.3pF

Datasheet

Non-Stocked Lead-Time 12 Weeks

Reel

$1.83

Min.: 2,000
Mult.: 2,000

Reel: 2,000

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 250V SMD Ultra Low 0.3pF

CG6250SM
Littelfuse
2,000: $1.83
Non-Stocked Lead-Time 12 Weeks

Mfr. Part #
CG6250SM

Mouser Part #
576-CG6250SM

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 250V SMD Ultra Low 0.3pF

Datasheet

Non-Stocked Lead-Time 12 Weeks

Reel

$1.83

Min.: 2,000
Mult.: 2,000

Reel: 2,000

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 300V SMD Ultra Low 0.3pF

CG6300SM
Littelfuse
1: $3.08
Non-Stocked Lead-Time 12 Weeks

Mfr. Part #
CG6300SM

Mouser Part #
576-CG6300SM

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 300V SMD Ultra Low 0.3pF

Datasheet

Non-Stocked Lead-Time 12 Weeks

Cut Tape

$3.08

$2.68

$2.67

$2.29

View

Reel

$1.83

MouseReel Available

Min.: 1
Mult.: 1

Reel: 2,000

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 350V SMD Ultra Low 0.3pF

CG6350SM
Littelfuse
2,000: $1.83
Non-Stocked Lead-Time 12 Weeks

Mfr. Part #
CG6350SM

Mouser Part #
576-CG6350SM

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 350V SMD Ultra Low 0.3pF

Datasheet

Non-Stocked Lead-Time 12 Weeks

Reel

$1.83

Min.: 2,000
Mult.: 2,000

Reel: 2,000

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 400V SMD Ultra Low 0.3pF

CG6400SM
Littelfuse
2,000: $1.83
Non-Stocked Lead-Time 12 Weeks

Mfr. Part #
CG6400SM

Mouser Part #
576-CG6400SM

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 400V SMD Ultra Low 0.3pF

Datasheet

Non-Stocked Lead-Time 12 Weeks

Reel

$1.83

Min.: 2,000
Mult.: 2,000

Reel: 2,000

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 470V SMD Ultra Low 0.3pF

CG6470SM
Littelfuse
2,000: $1.83
Non-Stocked Lead-Time 12 Weeks

Mfr. Part #
CG6470SM

Mouser Part #
576-CG6470SM

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 470V SMD Ultra Low 0.3pF

Datasheet

Non-Stocked Lead-Time 12 Weeks

Reel

$1.83

Min.: 2,000
Mult.: 2,000

Reel: 2,000

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 600V SMD Ultra Low 0.3pF

CG6600SM
Littelfuse
1: $3.21
Non-Stocked Lead-Time 12 Weeks

Mfr. Part #
CG6600SM

Mouser Part #
576-CG6600SM

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 600V SMD Ultra Low 0.3pF

Datasheet

Non-Stocked Lead-Time 12 Weeks

Cut Tape

$3.21

$2.76

$2.56

$2.17

View

Reel

$1.83

MouseReel Available

Min.: 1
Mult.: 1

Reel: 2,000

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 210-390V GDT T/R 2 Term

SG300Q
Littelfuse
2,000: $1.01
Non-Stocked Lead-Time 12 Weeks

Mfr. Part #
SG300Q

Mouser Part #
576-SG300Q

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 210-390V GDT T/R 2 Term

Datasheet

Non-Stocked Lead-Time 12 Weeks

Reel

$1.01

Min.: 2,000
Mult.: 2,000

Reel: 2,000

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 315-525V GDT T/R 2 Term

SG420Q
Littelfuse
2,000: $0.882
Non-Stocked Lead-Time 12 Weeks

Mfr. Part #
SG420Q

Mouser Part #
576-SG420Q

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 315-525V GDT T/R 2 Term

Datasheet

Non-Stocked Lead-Time 12 Weeks

Reel

$0.882

Min.: 2,000
Mult.: 2,000

Reel: 2,000

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 370-550V 1A GDT T/R 2 Term

SG450Q
Littelfuse
2,000: $1.01
Non-Stocked Lead-Time 12 Weeks

Mfr. Part #
SG450Q

Mouser Part #
576-SG450Q

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 370-550V 1A GDT T/R 2 Term

Datasheet

Non-Stocked Lead-Time 12 Weeks

Reel

$1.01

Min.: 2,000
Mult.: 2,000

Reel: 2,000

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 500V

SG500
Littelfuse
2,000: $1.05
Non-Stocked Lead-Time 12 Weeks

Mfr. Part #
SG500

Mouser Part #
576-SG500

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 500V

Datasheet

Non-Stocked Lead-Time 12 Weeks

Reel

$1.05

Min.: 2,000
Mult.: 2,000

Reel: 2,000

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 600V

SG600
Littelfuse
2,000: $1.01
Non-Stocked Lead-Time 12 Weeks

Mfr. Part #
SG600

Mouser Part #
576-SG600

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 600V

Datasheet

Non-Stocked Lead-Time 12 Weeks

Reel

$1.01

Min.: 2,000
Mult.: 2,000

Reel: 2,000