Axial Lead and Cartridge Fuses Datasheet
477 Series
5×20 mm, Time-Lag Fuse
PS
RoHS Pb
E
Description
400Vdc/500Vac rated, 5x20mm, time-lag, surge withstand
ceramic body cartridge fuse.
Features & Benefits
■ Designed to International
(IEC) Standard for use
globally.
■ Available in cartridge and axial
lead form
■ RoHS compliant and lead-free
■ Follow the IEC 60127-2, Sheet
5 specification for time-lag
fuses
Applications
High energy and power efficient applications.
Additional Information
Electrical Characteristics for Series
% of Ampere
Ampere Rating
OpeningTime
Rating
Resources
Accessories
Samples
.5 - .8
1 - 3.15
4 - 6.3
8 - 16
60 minutes, Minimum
60 minutes, Minimum
150%
60 minutes, Minimum
Agency Approvals
30 minutes, Minimum
Agency
Agency File Number
Ampere Range
.5 - .8
30 minutes, Maximum
Cartridge:
1 - 3.15
4 - 6.3
8 - 16
30 minutes, Maximum
NBK040609-JP1021A
NBK040609-JP1021C
NBK100408-JP1021A
Leaded:
1A – 5A
6.3A – 12A
16A
210%
275%
400%
1000%
30 minutes, Maximum
PS
E
30 minutes, Maximum
.5 - .8
.25 sec., Min.; 80 sec. Max.
.75 sec., Min.; 80 sec. Max.
.75 sec., Min.; 80 sec. Max.
.75 sec., Min.; 80 sec. Max.
.05 sec., Min.; 5 sec. Max.
.095 sec., Min.; 5 sec. Max.
.15 sec., Min.; 5 sec. Max.
.15 sec., Min.; 5 sec. Max.
.005 sec., Min.; .15 sec. Max.
.01 sec., Min.; .15 sec. Max.
.01 sec., Min.; .15 sec. Max.
.01 sec., Min.; .15 sec. Max.
NBK040609-JP1021B
NBK040609-JP1021D
NBK100408-JP1021B
1A – 5A
6.3A – 12A
16A
0.50A – 8A
0.50A - 16A
1A, 3.15A
1 - 3.15
4 - 6.3
8 - 16
1620077
E10480
40025413
J50248089
N/A
.5 - .8
1 - 3.15
4 - 6.3
8 - 16
10A, 12A, 16A
0.50A – 16A
0.50A - 16A
N/A
.5 - .8
1 - 3.15
4 - 6.3
8 - 16
© 2023 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: GD. 07/04/23
1