Circuit Protection – Mouser Japan

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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: 308

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RoHS Compliant

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Part #

ESD Protection Diodes / TVS Diodes 3.3V Diode Array

SP4042-02UTG
Littelfuse
1: ¥762.4
5,900In Stock
6,000Expected 11/23/2026

Mfr. Part #
SP4042-02UTG

Mouser Part #
576-SP4042-02UTG

Littelfuse

ESD Protection Diodes / TVS Diodes 3.3V Diode Array

Learn More

Datasheet

5,900In Stock

6,000Expected 11/23/2026

Cut Tape

¥762.4

¥415.3

¥368.7

¥318.9

¥294

Reel

¥244.2

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

ESD Protection Diodes / TVS Diodes 1.5pF 30kV

SP4044-04ATG
Littelfuse
1: ¥210.9
8,651In Stock

Mfr. Part #
SP4044-04ATG

Mouser Part #
576-SP4044-04ATG

Littelfuse

ESD Protection Diodes / TVS Diodes 1.5pF 30kV

Learn More

Datasheet

8,651In Stock

Cut Tape

¥210.9

¥145.2

¥119.4

¥99

View

Reel

¥69.6

MouseReel Available

Min.: 1
Mult.: 1

: 4,000

ESD Protection Diodes / TVS Diodes 1.5pF 30kV

SP4045-04ATG
Littelfuse
1: ¥204.3
14,222In Stock

Mfr. Part #
SP4045-04ATG

Mouser Part #
576-SP4045-04ATG

Littelfuse

ESD Protection Diodes / TVS Diodes 1.5pF 30kV

Learn More

Datasheet

14,222In Stock

Cut Tape

¥204.3

¥136.2

¥110.6

¥92.2

Reel

¥64.1

View

MouseReel Available

Min.: 1
Mult.: 1

: 4,000

ESD Protection Diodes / TVS Diodes 8 Ch 30kV 2.5V 4.4pF

SP4060-08ATG
Littelfuse
1: ¥338.8
3,698In Stock

Mfr. Part #
SP4060-08ATG

Mouser Part #
576-SP4060-08ATG

Littelfuse

ESD Protection Diodes / TVS Diodes 8 Ch 30kV 2.5V 4.4pF

Learn More

Datasheet

3,698In Stock

Cut Tape

¥338.8

¥176.1

¥134.2

¥114.1

¥106.5

Reel

¥102.2

MouseReel Available

Min.: 1
Mult.: 1

: 4,000

ESD Protection Diodes / TVS Diodes .3pF 10KV 18V 0201 Flipchip

SP3118-01WTG
Littelfuse
1: ¥94.7
8,091In Stock

Mfr. Part #
SP3118-01WTG

Mouser Part #
576-SP3118-01WTG

Littelfuse

ESD Protection Diodes / TVS Diodes .3pF 10KV 18V 0201 Flipchip

Learn More

Datasheet

8,091In Stock

Cut Tape

¥94.7

¥47.2

¥37.5

¥29.9

View

Reel

¥18.1

MouseReel Available

Min.: 1
Mult.: 1

: 10,000

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

CG5230MS
Littelfuse
1: ¥682.7
353In Stock

Mfr. Part #
CG5230MS

Mouser Part #
576-CG5230MS

Littelfuse

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

Datasheet

353In Stock

Cut Tape

¥682.7

¥446.8

¥332.2

¥295.7

Reel

¥252.5

¥237.5

MouseReel Available

Min.: 1
Mult.: 1

: 900

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors STANDARD 350V NOM

CG5350L
Littelfuse
1: ¥481.7
808In Stock

Mfr. Part #
CG5350L

Mouser Part #
576-CG5350L

Littelfuse

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors STANDARD 350V NOM

Datasheet

808In Stock

Cut Tape

¥481.7

¥368.7

¥305.6

¥282.4

Reel

¥260.8

Min.: 1
Mult.: 1

: 1,000

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

CG590LS
Littelfuse
1: ¥415.3
668In Stock

Mfr. Part #
CG590LS

Mouser Part #
576-CG590LS

Littelfuse

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

Datasheet

668In Stock

Cut Tape

¥415.3

¥318.9

¥264.1

¥245.8

Reel

¥220.9

Min.: 1
Mult.: 1

: 900

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors STANDARD 90V MS

CG590MS
Littelfuse
1: ¥433.5
266In Stock
900Expected 12/24/2026

Mfr. Part #
CG590MS

Mouser Part #
576-CG590MS

Littelfuse

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors STANDARD 90V MS

Datasheet

266In Stock

900Expected 12/24/2026

Cut Tape

¥433.5

¥332.2

¥279

¥260.8

Reel

¥260.8

MouseReel Available

Min.: 1
Mult.: 1

: 900

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 400-600V 2A GDT T/R 2 Term

SG500Q
Littelfuse
1: ¥225.9
3,830In Stock

Mfr. Part #
SG500Q

Mouser Part #
576-SG500Q

Littelfuse

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 400-600V 2A GDT T/R 2 Term

Datasheet

3,830In Stock

Cut Tape

¥225.9

¥172.7

¥143.2

¥134.9

¥123.7

Reel

¥118.9

MouseReel Available

Min.: 1
Mult.: 1

: 2,000

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 450-750V 2A GDT T/R 2 Term

SG600Q
Littelfuse
1: ¥250.8
1,294In Stock

Mfr. Part #
SG600Q

Mouser Part #
576-SG600Q

Littelfuse

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 450-750V 2A GDT T/R 2 Term

Datasheet

1,294In Stock

Cut Tape

¥250.8

¥165.6

¥138

¥132.5

¥120.1

Reel

¥118.9

MouseReel Available

Min.: 1
Mult.: 1

: 2,000

ESD Protection Diodes / TVS Diodes 5V 1uA 8kV BIDIRECTIONAL

SP3021-01ETG
Littelfuse
1: ¥89.7
12,050In Stock
10,000Expected 1/12/2027

Mfr. Part #
SP3021-01ETG

Mouser Part #
576-SP3021-01ETG

Littelfuse

ESD Protection Diodes / TVS Diodes 5V 1uA 8kV BIDIRECTIONAL

Learn More

Datasheet

12,050In Stock

10,000Expected 1/12/2027

Cut Tape

¥89.7

¥41.2

¥36.2

¥27.1

View

Reel

¥19.8

MouseReel Available

Min.: 1
Mult.: 1

: 10,000

ESD Protection Diodes / TVS Diodes 1 Ch 22kV 8.2V .3pF UNI 0201 DFN

SP3530-01UTG
Littelfuse
1: ¥38.2
13,730In Stock

Mfr. Part #
SP3530-01UTG

Mouser Part #
576-SP3530-01UTG

Littelfuse

ESD Protection Diodes / TVS Diodes 1 Ch 22kV 8.2V .3pF UNI 0201 DFN

Learn More

Datasheet

13,730In Stock

Cut Tape

¥38.2

¥17.9

¥14.6

¥11.8

View

Reel

¥7.6

MouseReel Available

Min.: 1
Mult.: 1

: 15,000

ESD Protection Diodes / TVS Diodes 2.5pF 25A BI for Surge Protection

SP4021-01FTG-C
Littelfuse
1: ¥127.9
648In Stock
270,000On Order

Mfr. Part #
SP4021-01FTG-C

Mouser Part #
576-SP4021-01FTG-C

Littelfuse

ESD Protection Diodes / TVS Diodes 2.5pF 25A BI for Surge Protection

Learn More

Datasheet

648In Stock

270,000On Order

Cut Tape

¥127.9

¥73.3

¥64.8

¥51.2

¥48.5

Reel

¥36.7

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

ESD Protection Diodes / TVS Diodes 1.3pF 12A UNIDIRECTIONAL

SP4023-01FTG
Littelfuse
1: ¥142.8
2,196In Stock
3,000Expected 4/28/2027

Mfr. Part #
SP4023-01FTG

Mouser Part #
576-SP4023-01FTG

Littelfuse

ESD Protection Diodes / TVS Diodes 1.3pF 12A UNIDIRECTIONAL

Learn More

Datasheet

2,196In Stock

3,000Expected 4/28/2027

Cut Tape

¥142.8

¥74.6

¥57

¥43.5

Reel

¥27.6

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

ESD Protection Diodes / TVS Diodes 1.3pF 12A BIDIRECTIONAL

SP4023-01FTG-C
Littelfuse
1: ¥156.1
2,426In Stock
63,000On Order

Mfr. Part #
SP4023-01FTG-C

Mouser Part #
576-SP4023-01FTG-C

Littelfuse

ESD Protection Diodes / TVS Diodes 1.3pF 12A BIDIRECTIONAL

Learn More

Datasheet

2,426In Stock

63,000On Order

Cut Tape

¥156.1

¥81.7

¥62.8

¥44.8

¥40.4

Reel

¥31.4

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

ESD Protection Diodes / TVS Diodes ESD 6V UNI

SRV05-4HTG-D
Littelfuse
1: ¥250.8
422In Stock
123,000On Order

Mfr. Part #
SRV05-4HTG-D

Mouser Part #
576-SRV05-4HTG-D

Littelfuse

ESD Protection Diodes / TVS Diodes ESD 6V UNI

Learn More

Datasheet

422In Stock

123,000On Order

Cut Tape

¥250.8

¥133.9

¥104.8

¥77.2

¥71.9

Reel

¥56.6

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

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

04611.25ER16
Littelfuse
1: ¥257.5
916In Stock

Mfr. Part #
04611.25ER16

Mouser Part #
576-04611.25ER16

Littelfuse

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

Learn More

Datasheet

916In Stock

Cut Tape

¥257.5

¥230.9

¥215.9

¥179.4

View

Reel

¥109

MouseReel Available

Min.: 1
Mult.: 1

: 2,500

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 52-98V 2A GDT T/R 2 Term

SG75
Littelfuse
1: ¥237.5
26,255On Order

Mfr. Part #
SG75

Mouser Part #
576-SG75

Littelfuse

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 52-98V 2A GDT T/R 2 Term

Learn More

Datasheet

26,255On Order

Cut Tape

¥237.5

¥181

¥150.2

¥138.4

¥123.4

Reel

¥118.9

MouseReel Available

Min.: 1
Mult.: 1

: 2,000

ESD Protection Diodes / TVS Diodes 5V 1uA 10kV UNIDIRECTIONAL

SP3031-01ETG
Littelfuse
1: ¥53.2
146,555On Order

Mfr. Part #
SP3031-01ETG

Mouser Part #
576-SP3031-01ETG

Littelfuse

ESD Protection Diodes / TVS Diodes 5V 1uA 10kV UNIDIRECTIONAL

Datasheet

146,555On Order

Cut Tape

¥53.2

¥23.6

¥20.6

¥18.4

Reel

¥18.4

MouseReel Available

Min.: 1
Mult.: 1

: 10,000

ESD Protection Diodes / TVS Diodes 4CH 20A 3.3V 3.5pF Lightning Protection

SP3304NUTG
Littelfuse
1: ¥337.2
21,000On Order

Mfr. Part #
SP3304NUTG

Mouser Part #
576-SP3304NUTG

Littelfuse

ESD Protection Diodes / TVS Diodes 4CH 20A 3.3V 3.5pF Lightning Protection

Learn More

Datasheet

21,000On Order

Cut Tape

¥337.2

¥161.8

¥144.7

¥123.1

Reel

¥123.1

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

ESD Protection Diodes / TVS Diodes 2.5pF 30A for Surge Protection

SP4020-01FTG
Littelfuse
1: ¥174.4
209,781On Order

Mfr. Part #
SP4020-01FTG

Mouser Part #
576-SP4020-01FTG

Littelfuse

ESD Protection Diodes / TVS Diodes 2.5pF 30A for Surge Protection

Learn More

Datasheet

209,781On Order

Cut Tape

¥174.4

¥95.2

¥70.9

¥54.6

Reel

¥38.2

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

ESD Protection Diodes / TVS Diodes 2.5pF 30A BI for Surge Protection

SP4020-01FTG-C
Littelfuse
1: ¥186
68,532On Order

Mfr. Part #
SP4020-01FTG-C

Mouser Part #
576-SP4020-01FTG-C

Littelfuse

ESD Protection Diodes / TVS Diodes 2.5pF 30A BI for Surge Protection

Learn More

Datasheet

68,532On Order

Cut Tape

¥186

¥95.3

¥76.4

¥59

Reel

¥40.4

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

ESD Protection Diodes / TVS Diodes 2.5pF 25A for Surge Protection

SP4021-01FTG
Littelfuse
1: ¥161.1
99,820On Order

Mfr. Part #
SP4021-01FTG

Mouser Part #
576-SP4021-01FTG

Littelfuse

ESD Protection Diodes / TVS Diodes 2.5pF 25A for Surge Protection

Learn More

Datasheet

99,820On Order

Cut Tape

¥161.1

¥84.2

¥65.4

¥50.3

Reel

¥33.1

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 105-195V 2A GDT T/R 2 Term

SG150
Littelfuse
1: ¥237.5
3,982Expected 11/24/2026

Mfr. Part #
SG150

Mouser Part #
576-SG150

Littelfuse

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 105-195V 2A GDT T/R 2 Term

Learn More

Datasheet

3,982Expected 11/24/2026

Cut Tape

¥237.5

¥181

¥150.2

¥138.4

¥123.4

Reel

¥118.9

MouseReel Available

Min.: 1
Mult.: 1

: 2,000