1.25 A Fuses 748

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Part RoHS Manufacturer Circuit Protection Type Mounting Feature Rated AC Voltage Rated DC Voltage Rated Current Terminal Shape Nominal Joule Integral Minimum Operating Temperature Terminal Finish Rated Breaking Capacity Manufacturer Series Trip Time/Delay Additional Features Pre Arcing Rating (A2/s) Packing Method Body Length/Diameter Body Width Fuse Class JESD-609 Code Rated Voltage Resistance Minimum Pre Arcing Time Fuse Size Built-in Features Dimensions Body Height Reference Standard Maximum Operating Temperature Blow Characteristic

04661.25NRHF

Littelfuse

Electric Fuse

Surface Mount

63 V

63 V

1.25 A

Wraparound

64 mJ

-55 °C (-67 °F)

Matte Tin Over Nickel

50 A

200 ms

0.064

Tape And Reel

0.125 in (3.175 mm)

0.06 in (1.524 mm)

Supplemental

e3

63 V

1206

0.125 x 0.06 x 0.023 in (3.18 x 1.52 x 0.58 mm)

0.023 in (0.584 mm)

CE; CSA; TUV; UL

90 °C (194 °F)

Fast

FNQ-R-1-1/4

Eaton Corporation

Electric Fuse

Inline/Holder

600 V

1.25 A

End Cap

Nickel

200 kA

Box

0.406 in (10.3 mm)

CC

600 V

0.406 x 1.5 in (10.3 x 38.1 mm)

1.5 in (38.1 mm)

CE; CSA; UL

Time Delay

04611.25ER

Littelfuse

Electric Fuse

Surface Mount

600 V

80 V

1.25 A

Wraparound

16.5 J

-55 °C (-67 °F)

Silver

60 A

1 s

Rated Breaking Capacity at 80 VDC: 100 A

16.5

Tape And Reel

0.398 in (10.1 mm)

0.123 in (3.12 mm)

e4

600 V

4012

0.398 x 0.123 x 0.123 in (10.1 x 3.12 x 3.12 mm)

0.123 in (3.12 mm)

CSA; UL

125 °C (257 °F)

Slow

04661.25NR

Littelfuse

Electric Fuse

Surface Mount

63 V

63 V

1.25 A

End Cap

64 mJ

-55 °C (-67 °F)

Matte Tin Over Nickel

50 A

Rated Breaking Capacity at 63 VDC: 50 A

Tape And Reel

0.125 in (3.18 mm)

0.06 in (1.52 mm)

e3

0.125 x 0.06 x 0.023 in (3.18 x 1.52 x 0.58 mm)

0.023 in (0.58 mm)

CSA; UL

90 °C (194 °F)

Very Fast

7100.1016.13

Schurter Ag

Electric Fuse

Through Hole Mount

250 V

1.25 A

Pin Wire

3 J

-40 °C (-40 °F)

Tin

50 A

Bulk

0.453 in (11.5 mm)

0.197 in (5 mm)

e3

250 V

10 ms

0.453 x 0.197 in (11.5 x 5 mm)

0.453 x 0.197 x 0.315 in (11.5 x 5 x 8 mm)

0.315 in (8 mm)

CUL; UL

85 °C (185 °F)

Time Lag

LP-CC-1-1/4

Eaton Corporation

Electric Fuse

Inline/Holder

600 V

300 V

1.25 A

End Cap

200 kA

Rated Breaking Capacity at 300 VDC: 20000 A

Box

0.394 in (10 mm)

0.406 x 1.5 in (10.3 x 38.1 mm)

1.496 in (38 mm)

CE; CSA; UL

Time Delay

0ACJ-1250-TE

Bel Fuse

Electric Fuse

Surface Mount

350 V

600 V

1.25 A

Wraparound

950 mJ

-40 °C (-40 °F)

100 A

2 m

Tape And Reel, 13 inch

0.52 in (13.2 mm)

0.199 in (5.05 mm)

0.199 in (5.05 mm)

AEC-Q200; CUL; UL

125 °C (257 °F)

04511.25MRL

Littelfuse

Electric Fuse

Surface Mount

125 V

125 V

1.25 A

Wraparound

664 mJ

-55 °C (-67 °F)

Gold

50 A

5 s

Tape And Reel

0.24 in (6.1 mm)

0.106 in (2.69 mm)

e4

125 V

Nano

0.24 x 0.106 x 0.106 in (6.1 x 2.69 x 2.69 mm)

0.106 in (2.69 mm)

CE; CSA; CUL; PSE; TUV; UL

125 °C (257 °F)

Very Fast

JTD1.25ID

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

1.25 A

End Cap

200 kA

Rated Breaking Capacity at 300 VDC: 20000 A

Bulk

0.811 in (20.6 mm)

Indicator

0.811 x 2.252 in (20.6 x 57.2 mm)

2.252 in (57.2 mm)

CSA; UL

Time Delay

0697-1250-01

Bel Fuse

Electric Fuse

Through Hole Mount

250 V

1.25 A

Pin Wire

9 J

-55 °C (-67 °F)

Matte Tin

35 A

Bulk

0.329 in (8.35 mm)

0.157 in (4 mm)

e3

250 V

20 ms

Micro

0.329 x 0.157 x 0.303 in (8.35 x 4 x 7.7 mm)

0.303 in (7.7 mm)

CCC; CUL; PSE; SEMKO; UL; VDE

125 °C (257 °F)

Time Lag

0001.1005

Schurter Ag

Electric Fuse

Inline/Holder

250 V

1.25 A

End Cap

538 mJ

-55 °C (-67 °F)

Nickel

1.5 kA

Box

0.787 in (20 mm)

20 ms

0.197 x 0.787 in (5 x 20 mm)

0.205 x 0.787 in (5.2 x 20 mm)

0.205 in (5.2 mm)

CCC; CUL; KTL; METI; UL; VDE

125 °C (257 °F)

Very Fast

02161.25MXEP

Littelfuse

Electric Fuse

Through Hole Mount

250 V

1.25 A

Pin Wire

180 mJ

-55 °C (-67 °F)

Tin

1.5 kA

20 ms

0.48

Bulk

0.228 in (5.8 mm)

e3

250 V

0.197 x 0.787 in (5 x 20 mm)

0.228 x 0.886 in (5.8 x 22.5 mm)

0.886 in (22.5 mm)

CCC; CE; CSA; IEC; KC; PSE; SEMKO; SEV; UL; VDE

125 °C (257 °F)

Fast

02511.25MXL

Littelfuse

Electric Fuse

Through Hole Mount

125 V

125 V

1.25 A

Pin Wire

390 mJ

-55 °C (-67 °F)

Matte Tin

50 A

1 s

Pre Arcing Time: Open within 1 s at 200% Rated Current

Bulk

0.11 in (2.8 mm)

e3

Pico

0.11 x 0.28 in (2.8 x 7.11 mm)

0.28 in (7.11 mm)

CSA; CUL; PSE; UL

125 °C (257 °F)

Very Fast

1206SFS125F/63-2

TE Connectivity

Electric Fuse

Surface Mount

63 V

1.25 A

Wraparound

220 mJ

50 A

1206SFS125F/63-2

UL

125 °C (257 °F)

Slow

3413.0116.22

Schurter Ag

Electric Fuse

Surface Mount

32 V

63 V

1.25 A

Wraparound

69 mJ

-55 °C (-67 °F)

Gold Nickel

50 A

0.12

Tape And Reel, 7 inch

0.126 in (3.2 mm)

0.063 in (1.6 mm)

e4

60 s

1206

0.126 x 0.063 x 0.024 in (3.2 x 1.6 x 0.6 mm)

0.024 in (0.6 mm)

CUL, UL

90 °C (194 °F)

Very Fast

02511.25MAT1L

Littelfuse

Electric Fuse

Through Hole Mount

125 V

125 V

1.25 A

Pin Wire

390 mJ

-55 °C (-67 °F)

Tin

50 A

1 s

Rated Breaking Capacity at 125 VDC: 300 A

Ammo Pack

0.11 in (2.8 mm)

e3

Pico

0.11 x 0.28 in (2.8 x 7.11 mm)

0.28 in (7.11 mm)

CSA; PSE; UL

125 °C (257 °F)

Very Fast

3403.0275.23

Schurter Ag

Electric Fuse

Surface Mount

277 V

250 V

1.25 A

Wraparound

4.05 J

-55 °C (-67 °F)

Nickel/Tin

1.5 kA

Tape And Reel, 13 inch

0.606 in (15.4 mm)

0.211 in (5.35 mm)

e2

10 ms

0.209 x 0.63 in (5.3 x 16 mm)

0.606 x 0.211 x 0.211 in (15.4 x 5.35 x 5.35 mm)

0.211 in (5.35 mm)

CUL, UL, VDE

125 °C (257 °F)

Time Lag

02151.25MXP

Littelfuse

Electric Fuse

Inline/Holder

250 V

250 V

1.25 A

End Cap

3.2 J

-55 °C (-67 °F)

Nickel

1.5 kA

10 ms

Pre Arcing Time: Open within 10 ms at 1000% Rated Current

3.2

Bulk

0.205 in (5.2 mm)

250 V

0.197 x 0.787 in (5 x 20 mm)

0.205 x 0.787 in (5.2 x 20 mm)

0.787 in (20 mm)

CCC; CE; CSA; IEC; KC; PSE; SEMKO; SEV; UL; VDE

125 °C (257 °F)

Time Lag

0697-1250-02

Bel Fuse

Electric Fuse

Through Hole Mount

250 V

1.25 A

Pin Wire

9 J

-55 °C (-67 °F)

Matte Tin

35 A

Ammo Pack

0.329 in (8.35 mm)

0.157 in (4 mm)

e3

250 V

20 ms

Micro

0.329 x 0.157 x 0.303 in (8.35 x 4 x 7.7 mm)

0.303 in (7.7 mm)

CCC; CUL; PSE; SEMKO; UL; VDE

125 °C (257 °F)

Time Lag

3AB1.25-R

Bel Fuse

Electric Fuse

Inline/Holder

250 V

1.25 A

End Cap

2.5 J

-55 °C (-67 °F)

Nickel

100 A

Bulk

0.25 in (6.35 mm)

250 V

0.236 x 1.26 in (6 x 32 mm)

0.25 x 1.252 in (6.35 x 31.8 mm)

1.252 in (31.8 mm)

CSA; CUL; PSE; UL

125 °C (257 °F)

Fast

TR2/C515-1.25-R

Eaton Corporation

Electric Fuse

Through Hole Mount

250 V

1.25 A

Pin Wire

22.961 J

-55 °C (-67 °F)

Tin

100 A

3 s

Pre Arcing Time: Open within 3 s at 200% Rated Current

Tape And Reel

0.217 in (5.5 mm)

e3

250 V

3 s

0.197 x 0.591 in (5 x 15 mm)

0.217 x 0.598 in (5.5 x 15.2 mm)

0.598 in (15.2 mm)

CSA, UL

85 °C (185 °F)

Time Delay

C310T-1.25-R-TR1

Eaton Corporation

Electric Fuse

Through Hole Mount

250 V

1.25 A

Pin Wire

12.54 J

Tin/Copper

35 A

12.54

Tape And Reel

0.157 in (4 mm)

e2

250 V

0.157 x 0.453 in (4 x 11.5 mm)

0.453 in (11.5 mm)

IEC; UL

Time Delay

C515S-1.25-R

Eaton Corporation

Electric Fuse

Through Hole Mount

250 V

1.25 A

Pin Wire

22.961 J

100 A

Pre Arcing Time: Open within 3 s at 200% Rated Current

0.217 in (5.5 mm)

250 V

0.197 x 0.591 in (5 x 15 mm)

0.217 x 0.598 in (5.5 x 15.2 mm)

0.598 in (15.2 mm)

CSA; UL

Time Delay

F11095-000

TE Connectivity

Electric Fuse

Surface Mount

63 V

1.25 A

Wraparound

220 mJ

50 A

UL

125 °C (257 °F)

Slow

FNA-1-1/4

Eaton Corporation

Electric Fuse

Inline/Holder

250 V

1.25 A

End Cap

200 A

0.406 in (10.31 mm)

250 V

0.406 x 1.5 in (10.31 x 38.1 mm)

1.5 in (38.1 mm)

CSA, UL

Time Lag

MFU1206FF01250P100

Vishay Intertechnology

Electric Fuse

Surface Mount

63 V

1.25 A

Wraparound

4.1 mJ

15 °C (59 °F)

Tin with Nickel barrier

50 A

Tape And Reel

0.126 in (3.2 mm)

0.063 in (1.6 mm)

e3

0.126 x 0.063 x 0.022 in (3.2 x 1.6 x 0.55 mm)

0.022 in (0.55 mm)

UL; UMF

35 °C (95 °F)

Very Fast

MFU1206FF01250PW00

Vishay Intertechnology

Electric Fuse

Surface Mount

63 V

1.25 A

Wraparound

4.1 mJ

15 °C (59 °F)

Tin Over Nickel

50 A

Tape And Reel

0.126 in (3.2 mm)

0.063 in (1.6 mm)

e3

0.126 x 0.063 x 0.022 in (3.2 x 1.6 x 0.55 mm)

0.022 in (0.55 mm)

UL; UMF

35 °C (95 °F)

Very Fast

0001.2505

Schurter Ag

Electric Fuse

Inline/Holder

250 V

300 V

1.25 A

End Cap

1.86 J

-55 °C (-67 °F)

Nickel

1.5 kA

Rated Breaking Capacity at 300 VDC: 1500 A

1.86

Box

0.205 in (5.2 mm)

10 ms

0.197 x 0.787 in (5 x 20 mm)

0.205 x 0.787 in (5.2 x 20 mm)

0.787 in (20 mm)

CCC; CUL; KTL; METI; UL; VDE

125 °C (257 °F)

Time Lag

01571.25DR

Littelfuse

Electric Fuse

Surface Mount

125 V

125 V

1.25 A

Wraparound

664 mJ

-55 °C (-67 °F)

Silver

50 A

5 s

Tape And Reel

0.24 in (6.1 mm)

0.106 in (2.69 mm)

e4

Nano

0.24 x 0.106 x 0.106 in (6.1 x 2.69 x 2.69 mm)

0.106 in (2.69 mm)

PSE; UL

125 °C (257 °F)

Very Fast

0679H1250-05

Bel Fuse

Electric Fuse

Surface Mount

350 V

72 V

1.25 A

Wraparound

210 mJ

-55 °C (-67 °F)

Silver

50 A

5 s

Rated Breaking Capacity at 72 VDC: 100 A

0.22

Tape And Reel, 13 inch

0.24 in (6.1 mm)

0.1 in (2.54 mm)

e4

72 V

10 ms

2410

0.24 x 0.1 x 0.1 in (6.1 x 2.54 x 2.54 mm)

0.1 in (2.54 mm)

AEC-Q200; TUV; CUL; UL

125 °C (257 °F)

Very Fast

3404.0010.11

Schurter Ag

Electric Fuse

Surface Mount

125 V

125 V

1.25 A

Wraparound

140 mJ

-40 °C (-40 °F)

Tin

100 A

0.14

Bulk

0.291 in (7.4 mm)

0.122 in (3.1 mm)

e3

10 ms

0.291 x 0.122 in (7.4 x 3.1 mm)

0.291 x 0.122 x 0.102 in (7.4 x 3.1 x 2.6 mm)

0.102 in (2.6 mm)

CUL; UL

125 °C (257 °F)

Very Fast

3404.0010.22

Schurter Ag

Electric Fuse

Surface Mount

125 V

125 V

1.25 A

Wraparound

140 mJ

-40 °C (-40 °F)

Tin

100 A

0.14

Tape And Reel, 7 inch

0.291 in (7.4 mm)

0.122 in (3.1 mm)

e3

10 ms

0.291 x 0.122 in (7.4 x 3.1 mm)

0.291 x 0.122 x 0.102 in (7.4 x 3.1 x 2.6 mm)

0.102 in (2.6 mm)

CUL; UL

125 °C (257 °F)

Very Fast

UMTS1.25

Bel Fuse

Electric Fuse

Surface Mount

250 V

1.25 A

Wraparound

7 J

-55 °C (-67 °F)

Gold with Nickel barrier

150 A

0.476 in (12.1 mm)

0.175 in (4.45 mm)

e4

4818

0.476 x 0.175 x 0.175 in (12.1 x 4.45 x 4.45 mm)

0.175 in (4.45 mm)

UL

125 °C (257 °F)

Time Lag

0034.3118

Schurter Ag

Electric Fuse

Inline/Holder

250 V

1.25 A

End Cap

5.5 J

-55 °C (-67 °F)

Nickel

35 A

Box

0.205 in (5.2 mm)

20 ms

0.197 x 0.787 in (5 x 20 mm)

0.205 x 0.787 in (5.2 x 20 mm)

0.787 in (20 mm)

CCC; CUL; METI; UL; VDE

125 °C (257 °F)

Time Lag

0034.3118.TR

Schurter Ag

Electric Fuse

Through Hole Mount

250 V

1.25 A

Pin Wire

5.5 J

-55 °C (-67 °F)

Tin

35 A

Tape And Reel, 13 inch

0.213 in (5.4 mm)

e3

20 ms

0.213 x 0.886 in (5.4 x 22.5 mm)

0.213 x 0.886 in (5.4 x 22.5 mm)

0.886 in (22.5 mm)

CUL; UL

125 °C (257 °F)

Time Lag

04481.25MR

Littelfuse

Electric Fuse

Surface Mount

125 V

125 V

1.25 A

Wraparound

900 mJ

-55 °C (-67 °F)

Gold

50 A

5 s

0.9

Tape And Reel

0.24 in (6.1 mm)

0.106 in (2.69 mm)

e4

125 V

Nano

0.24 x 0.106 x 0.106 in (6.1 x 2.69 x 2.69 mm)

0.106 in (2.69 mm)

CSA; PSE; UL

125 °C (257 °F)

Very Fast

0678H1250-02

Bel Fuse

Electric Fuse

Surface Mount

250 V

125 V

1.25 A

Wraparound

400 mJ

-55 °C (-67 °F)

300 A

1 m

Rated Breaking Capacity at 125 VDC: 2000 A

Tape And Reel, 13 inch

0.386 in (9.8 mm)

0.12 in (3.05 mm)

250 V

3912

0.12 in (3.05 mm)

AEC-Q200; CUL; CE; UL

125 °C (257 °F)

0692-1250-05

Bel Fuse

Electric Fuse

Through Hole Mount

250 V

1.25 A

Pin Wire

9 J

-55 °C (-67 °F)

Matte Tin

35 A

Box; Bulk

0.329 in (8.35 mm)

e3

250 V

20 ms

Micro

0.329 x 0.303 in (8.35 x 7.7 mm)

0.303 in (7.7 mm)

CCC; CE; CSA; IEC; SEMKO; UL; VDE

125 °C (257 °F)

Time Lag

0JTD1.25T

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

1.25 A

End Cap

200 kA

Rated Breaking Capacity at 300 VDC: 20000 A

Bulk

0.811 in (20.6 mm)

2.252 in (57.2 mm)

CSA; UL

Time Delay

3405.0167.11

Schurter Ag

Electric Fuse

Surface Mount

250 V

125 V

1.25 A

Wraparound

1 J

-55 °C (-67 °F)

Tin

100 A

Bulk

0.398 in (10.1 mm)

0.118 in (3 mm)

e3

1 ms

0.118 x 0.398 in (3 x 10.1 mm)

0.398 x 0.118 x 0.118 in (10.1 x 3 x 3 mm)

0.118 in (3 mm)

CUL; IEC 60127-4; UL; VDE

125 °C (257 °F)

Very Fast

3413.0217.11

Schurter Ag

Electric Fuse

Surface Mount

32 V

63 V

1.25 A

Wraparound

280 mJ

-55 °C (-67 °F)

Nickel Gold

63 A

0.31

Tape

0.126 in (3.2 mm)

0.063 in (1.6 mm)

e4

1 ms

1206

0.126 x 0.063 x 0.024 in (3.2 x 1.6 x 0.6 mm)

0.024 in (0.6 mm)

CUL; UL; VDE

90 °C (194 °F)

Very Fast

5ST1.25-R

Bel Fuse

Electric Fuse

Inline/Holder

250 V

1.25 A

End Cap

4.1 J

-55 °C (-67 °F)

Nickel

35 A

Bulk; Tape And Reel

0.201 in (5.1 mm)

250 V

0.197 x 0.787 in (5 x 20 mm)

0.201 x 0.787 in (5.1 x 20 mm)

0.787 in (20 mm)

CCC; CE; CSA; SEMKO; UL; VDE

125 °C (257 °F)

Time Lag

FNQ-1-1/4

Eaton Corporation

Electric Fuse

1.25 A

End Cap

10 kA

0.41 in (10.41 mm)

500 V

0.41 x 1.5 in (10.41 x 38.1 mm)

1.5 in (38.1 mm)

CSA, UL

Time Lag

JTD1.25

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

1.25 A

End Cap

200 kA

Rated Breaking Capacity at 300 VDC: 20000 A

Bulk

0.811 in (20.6 mm)

2.252 in (57.2 mm)

CSA; UL

Time Delay

KLDR1.25TXP

Littelfuse

Electric Fuse

Inline/Holder

600 V

300 V

1.25 A

End Cap

436.7 mJ

Nickel

200 kA

12 s

Rated Breaking Capacity at 300 VDC: 20000 A

Bulk

0.406 in (10.3 mm)

0.406 x 1.5 in (10.3 x 38.1 mm)

1.5 in (38.1 mm)

CE; CSA; UL

Time Delay

02181.25MXP

Littelfuse

Electric Fuse

Inline/Holder

250 V

1.25 A

End Cap

12.65 J

-55 °C (-67 °F)

Nickel

35 A

20 ms

Bulk

0.205 in (5.2 mm)

0.197 x 0.787 in (5 x 20 mm)

0.205 x 0.787 in (5.2 x 20 mm)

0.787 in (20 mm)

CCC; CE; CSA; KC; PSE; SEMKO; SEV; UL; VDE

125 °C (257 °F)

Time Lag

0678H1250-22

Bel Fuse

Electric Fuse

Surface Mount

250 V

125 V

1.25 A

Wraparound

400 mJ

-55 °C (-67 °F)

Palladium

300 A

1 m

Rated Breaking Capacity at 125 VDC: 2000 A

Tape And Reel, 13 inch

0.386 in (9.8 mm)

0.12 in (3.05 mm)

e4

250 V

3912

0.12 in (3.05 mm)

AEC-Q200; CUL; CE; UL

125 °C (257 °F)

3403.0117.11

Schurter Ag

Electric Fuse

Surface Mount

250 V

125 V

1.25 A

Wraparound

1.67 J

-40 °C (-40 °F)

Tin

100 A

Bulk

0.433 in (11 mm)

0.181 in (4.6 mm)

e3

5 ms

0.433 x 0.181 in (11 x 4.6 mm)

0.433 x 0.181 x 0.154 in (11 x 4.6 x 3.9 mm)

0.154 in (3.9 mm)

CUL, UL

125 °C (257 °F)

Time Lag

Fuses

A fuse is an electrical safety device that is designed to protect an electrical circuit from damage caused by overcurrent. Fuses are commonly used in residential, commercial, and industrial electrical systems, and they are an important safety device that helps prevent electrical fires, equipment damage, and personal injury.

A fuse typically consists of a metal wire or filament that is enclosed in a fuse body, which is designed to protect the wire from damage. The fuse is connected in series with the electrical circuit, and when the current flowing through the circuit exceeds a preset level, the wire in the fuse will melt or blow, which opens the circuit and prevents further damage to the electrical system.

Fuses are available in a variety of types and sizes, and they can be classified based on their current rating, voltage rating, and speed of operation. Some common types of fuses include cartridge fuses, blade fuses, and plug fuses.

In addition to protecting electrical systems from overcurrent, fuses can also be used to protect electrical equipment and machinery from damage caused by short circuits or other types of electrical faults. They are a cost-effective and reliable method of electrical protection, and they are widely used in a variety of electrical applications.