Littelfuse 677 Series User Manual
6 x 10 mm, Axial lead and cartridge fuses

Ceramic Body
Axial Lead and Cartridge Fuses
Revised June 4, 2013
w w w. l i t t e l f u s e . c o m
3.6 x 10 mm
Slo-Blo
®
Fuse 677 Series
• 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.
Catalog
Ampere
Voltage
Nominal
Nominal
Number
Rating
Rating
Resistance
Melting i
2
t
Cold mOhms
A
2
Sec.
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
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:
®
®
V
D
E
677 000 Series
3.9 (.153")
30.0
(1.181") TYP.
Axial Lead Material: Solder coated copper.
0.6 (.024") ( 0.250 -4A)
0.8 (.031") (5 -6.3A)
11.0
(.433")
TIME IN SECONDS
CURRENT IN AMPERES
0.01
0.1
0.1
1
1
10
100
10
100
1000
1000
250mA 315mA 400mA
1.6A 2A 2.5A 3.15A 4A 5A 6.3A
1A 1.25A
500mA
800mA
630mA