Circuit Protection – Mouser Singapore

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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: $2.15
1,015In Stock

Mfr. Part No.
04611.25ER16

Mouser Part No
576-04611.25ER16

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

Datasheet

1,015In Stock

Cut Tape

$2.15

$1.93

$1.81

$1.50

View

Reel

$0.912

MouseReel Available

Min.: 1
Mult.: 1

Reel: 2,500

ESD Protection Diodes / TVS Diodes ESD 6V UNI

SRV05-4HTG-D
Littelfuse
1: $1.65
60,897Expected 8/4/2026

Mfr. Part No.
SRV05-4HTG-D

Mouser Part No
576-SRV05-4HTG-D

ESD Protection Diodes / TVS Diodes ESD 6V UNI

Datasheet

60,897Expected 8/4/2026

Cut Tape

$1.65

$1.11

$0.738

$0.574

Reel

$0.45

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

ESD Protection Diodes / TVS Diodes 3.3V Diode Array

SP4042-02UTG
Littelfuse
1: $2.28
6,000On Order

Mfr. Part No.
SP4042-02UTG

Mouser Part No
576-SP4042-02UTG

ESD Protection Diodes / TVS Diodes 3.3V Diode Array

Datasheet

6,000On Order

Cut Tape

$2.28

$2.03

Reel

$1.97

$1.95

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: $3.81
899Expected 3/4/2026

Mfr. Part No.
CG590LS

Mouser Part No
576-CG590LS

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

Datasheet

899Expected 3/4/2026

Cut Tape

$3.81

$2.84

$2.43

$2.40

Reel

$1.71

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: $2.00
2,000Expected 21/5/2026

Mfr. Part No.
SG350

Mouser Part No
576-SG350

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

Datasheet

2,000Expected 21/5/2026

Cut Tape

$2.00

$1.79

$1.68

$1.38

View

Reel

$0.905

MouseReel Available

Min.: 1
Mult.: 1

Reel: 2,000

Fuse Kits & Assortments Emergency Diagnostic MINI

00940461ZP
Littelfuse
1: $30.00
455Factory Stock Available

Mfr. Part No.
00940461ZP

Mouser Part No
576-00940461ZP

Fuse Kits & Assortments Emergency Diagnostic MINI

Datasheet

455Factory Stock Available

More Info Available

$30.00

$27.29

$25.02

$21.60

View

Min.: 1
Mult.: 1

No

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

CG5350LF
Littelfuse
350: $3.99
Non-Stocked Lead-Time 12 Weeks

Mfr. Part No.
CG5350LF

Mouser Part No
576-CG5350LF

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

Datasheet

Non-Stocked Lead-Time 12 Weeks

Reel

$3.99

$3.91

$3.81

$3.75

Min.: 350
Mult.: 350

Reel: 350

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

CG5350LNF
Littelfuse
500: $3.35
Non-Stocked Lead-Time 12 Weeks

Mfr. Part No.
CG5350LNF

Mouser Part No
576-CG5350LNF

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

Datasheet

Non-Stocked Lead-Time 12 Weeks

Reel

$3.35

Min.: 500
Mult.: 500

Reel: 500

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

CG5350LSTR
Littelfuse
900: $4.95
Non-Stocked Lead-Time 12 Weeks

Mfr. Part No.
CG5350LSTR

Mouser Part No
576-CG5350LSTR

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

Datasheet

Non-Stocked Lead-Time 12 Weeks

Reel

$4.95

Min.: 900
Mult.: 900

Reel: 900

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

CG5350MS
Littelfuse
900: $1.97
Non-Stocked Lead-Time 12 Weeks

Mfr. Part No.
CG5350MS

Mouser Part No
576-CG5350MS

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

Datasheet

Non-Stocked Lead-Time 12 Weeks

Reel

$1.97

Min.: 900
Mult.: 900

Reel: 900

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

CG5470LNF
Littelfuse
500: $2.57
Non-Stocked Lead-Time 12 Weeks

Mfr. Part No.
CG5470LNF

Mouser Part No
576-CG5470LNF

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

Datasheet

Non-Stocked Lead-Time 12 Weeks

$2.57

Min.: 500
Mult.: 500

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

CG5470LS
Littelfuse
900: $4.95
Non-Stocked Lead-Time 12 Weeks

Mfr. Part No.
CG5470LS

Mouser Part No
576-CG5470LS

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

Datasheet

Non-Stocked Lead-Time 12 Weeks

Reel

$4.95

Min.: 900
Mult.: 900

Reel: 900

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

CG5600LS
Littelfuse
900: $1.68
Non-Stocked Lead-Time 12 Weeks

Mfr. Part No.
CG5600LS

Mouser Part No
576-CG5600LS

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

Datasheet

Non-Stocked Lead-Time 12 Weeks

Reel

$1.68

Min.: 900
Mult.: 900

Reel: 900

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

CG6145SM
Littelfuse
2,000: $1.64
Non-Stocked Lead-Time 12 Weeks

Mfr. Part No.
CG6145SM

Mouser Part No
576-CG6145SM

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

Datasheet

Non-Stocked Lead-Time 12 Weeks

Reel

$1.64

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: $1.64
Non-Stocked Lead-Time 12 Weeks

Mfr. Part No.
CG6250SM

Mouser Part No
576-CG6250SM

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

Datasheet

Non-Stocked Lead-Time 12 Weeks

Reel

$1.64

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: $2.77
Non-Stocked Lead-Time 12 Weeks

Mfr. Part No.
CG6300SM

Mouser Part No
576-CG6300SM

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

Datasheet

Non-Stocked Lead-Time 12 Weeks

Cut Tape

$2.77

$2.40

$2.39

$2.06

View

Reel

$1.64

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: $1.64
Non-Stocked Lead-Time 12 Weeks

Mfr. Part No.
CG6350SM

Mouser Part No
576-CG6350SM

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

Datasheet

Non-Stocked Lead-Time 12 Weeks

Reel

$1.64

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: $1.64
Non-Stocked Lead-Time 12 Weeks

Mfr. Part No.
CG6400SM

Mouser Part No
576-CG6400SM

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

Datasheet

Non-Stocked Lead-Time 12 Weeks

Reel

$1.64

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: $1.64
Non-Stocked Lead-Time 12 Weeks

Mfr. Part No.
CG6470SM

Mouser Part No
576-CG6470SM

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

Datasheet

Non-Stocked Lead-Time 12 Weeks

Reel

$1.64

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: $2.88
Non-Stocked Lead-Time 12 Weeks

Mfr. Part No.
CG6600SM

Mouser Part No
576-CG6600SM

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

Datasheet

Non-Stocked Lead-Time 12 Weeks

Cut Tape

$2.88

$2.47

$2.29

$1.95

View

Reel

$1.64

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: $0.905
Non-Stocked Lead-Time 12 Weeks

Mfr. Part No.
SG300Q

Mouser Part No
576-SG300Q

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

Datasheet

Non-Stocked Lead-Time 12 Weeks

Reel

$0.905

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: $0.791
Non-Stocked Lead-Time 12 Weeks

Mfr. Part No.
SG420Q

Mouser Part No
576-SG420Q

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

Datasheet

Non-Stocked Lead-Time 12 Weeks

Reel

$0.791

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: $0.905
Non-Stocked Lead-Time 12 Weeks

Mfr. Part No.
SG450Q

Mouser Part No
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

$0.905

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

Reel: 2,000

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 500V

SG500
Littelfuse
2,000: $0.945
Non-Stocked Lead-Time 12 Weeks

Mfr. Part No.
SG500

Mouser Part No
576-SG500

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 500V

Datasheet

Non-Stocked Lead-Time 12 Weeks

Reel

$0.945

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

Reel: 2,000

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 600V

SG600
Littelfuse
2,000: $0.905
Non-Stocked Lead-Time 12 Weeks

Mfr. Part No.
SG600

Mouser Part No
576-SG600

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 600V

Datasheet

Non-Stocked Lead-Time 12 Weeks

Reel

$0.905

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

Reel: 2,000