Littelfuse 677 User Manual

Axial Lead and Cartridge Fuses

Ceramic Body

3.6 x 10 mm Slo-Blo

• Meets the requirements of IEC 60127-3, Standard Sheet 4.

• Slo-Blo, ceramic body fuse in a compact package.

• This space saving fuse is ideally suited for lighting, power supply, and
adapter applications.

ELECTRICAL CHARACTERISTICS:

% of Ampere Opening

Rating Time

150% 60 minutes, Minimum
210% 2 minutes, Maximum
275% 400 msec., Min.; 10 sec. Max.
400% 150 msec., Min.; .3 sec. Max.

1000% 20 msec., Min.; 150 msec Max.

®

Fuse 677 Series

V

D E

®

®

AGENCY APPROVALS:

Recognized under the Components Program of Underwriters
Laboratories and recognized by CSA from 0.250 through 6.3 Amps.
VDE approved from 0.250 through 6.3 Amps.
CQC approved from 0.250 through 6.3 Amps.

INTERRUPTING RATING:

35A or 10 x rated current, whichever is greater @ 250V AC

PACKAGING OPTIONS:

Please refer to the following suffixes when ordering:

Bulk (1000 pieces): Add MXE suffix to the catalog part number.
Tape and Reel (1500 pieces): Add DRT4 suffix to the catalog
part number.

TAPE AND REEL SPECIFICATIONS:

Per EIA-296 with 10mm pitch and 56.5mm inside tape spacing.

ORDERING INFORMATION:

Catalog Ampere Voltage Nominal Nominal
Number Rating Rating Resistance Melting i2t

Cold mOhms A2Sec.

0677.250 .250 250 0.630 0.312

0677.315 .315 250 0.460 0.422

0677.400 .400 250 0.360 0.755

0677.500 .500 250 0.310 1.32

0677.630 .630 250 0.178 2.55

0677.800 .800 250 0.125 3.25
0677 001. 1.00 250 0.092 6.95
0677 1.25 1.25 250 0.065 12.1
0677 01.6 1.60 250 0.048 18.2

0677 002. 2.00 250 0.035 20.8
0677 02.5 2.50 250 0.028 32.5
0677 3.15 3.15 250 0.020 40.8
0677 004. 4.00 250 0.016 95.0
0677 005. 5.00 250 0.014 140
0677 06.3 6.30 250 0.009 240

3.9 (.153")

Axial Lead Material: Solder coated copper.

1000

100

10

1

0.1

TIME IN SECONDS

677 000 Series

(.433")

250mA

315mA

400mA

800mA

1.6A

2A

1A

1.25A

500mA

630mA

11.0

3.15A

2.5A

0.6 (.024") ( 0.250 -4A)

0.8 (.031") (5 -6.3A)

6.3A

4A

5A

30.0

(1.181") TYP.

0.01

0.1

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1

CURRENT IN AMPERES

10 100

1000

Revised June 4, 2013