Axial Lead & Cartridge Fuses
520 mm > Slo-Blo Fuse > 239 Series
PS
RoHS
Pb E
239 Series, 520 mm, Slo-Blo Fuse
Description
520mm Slo-Blo glass body cartridge fuse designed to
UL specification.
Features
Designed to UL/CSA/ RoHS compliant and
ANCE 248-1 and 248-14 lead-free
Standards
Available in cartridge and
axial lead format
Agency Approvals
Applications
Agency Agency File Number Ampere Range
Used as supplementary protection in appliance or
Cartridge:
utilization equipment to provide individual protection for
NBK030609-JP1021A 1A 3.5A
components or internal circuits.
NBK190609-JP1021A 4A 5A
NBK030609-JP1021B 7A
PS
E
Leaded:
NBK030609-JP1021C 1A 3.5A Electrical Characteristics for Series
NBK190609-JP1021B 4A 5A
NBK030609-JP1021D 7A
% of Ampere Ampere
Opening Time
Rating Ratings
SU05001 2004A
0.200A 3.15A
SU05001 2014A
100% 4 hours, Minimum
4A 7A
135% All Ratings 1 hour, Maximum
E10480 0.080A 7A
200% 2 minutes, Maximum
0.200A 3.15A
29862
4A 7A
Additional Information
N/A 0.080A 7A
Datasheet Resources
Samples Accessories
For recommended fuse accessories for this product series,
see Recommended Accessories section.
2017 Littelfuse, Inc.
Application testing is strongly recommended. Specifications are subject to change without notice.
Revised: 01/31/17Axial Lead & Cartridge Fuses
520 mm > Slo-Blo Fuse > 239 Series
Electrical Characteristic Specification by Item
Agency Approvals
Voltage Nominal Cold Nominal
Amp Rating Interrupting
Amp Code Rating Resistance Melting
(A) Rating PS
2 2
(V) (Ohms) I t (A sec)
E
.080 0.08 250 28.1750 0.02500 x x
.100 0.1 250 17.3425 0.05500 x x
.125 0.125 250 11.6000 0.08500 x x
.150 0.15 250 8.1000 0.13000 x x
.200 0.2 250 3.8725 0.16500 x x x x
.250 0.25 250 3.0700 0.34000 x x x x
.300 0.3 250 35A @ 250 VAC 2.3000 0.61500 x x x x
10kA @ 125 VAC
.400 0.4 250 1.4750 2.02000 x x x x
.500 0.5 250 0.9090 1.98500 x x x x
.600 0.6 250 0.6990 2.41500 x x x x
.700 0.7 250 0.5375 4.12000 x x x x
.750 0.75 250 0.4710 5.42500 x x x x
.800 0.8 250 0.4155 7.56500 x x x x
001. 1 250 0.2965 11.29500 x x x x x
1.25 1.25 250 0.1980 19.52500 x x x x x
01.6 1.6 250 0.1205 30.43000 x x x x x
002. 2 250 0.0943 50.58500 x x x x x
02.5 2.5 250 0.0583 79.70500 x x x x x
10kA @ 125 VAC
003. 3 250 100A @ 250 VAC 0.04877 129.51000 x x x x x
3.15 3.15 250 0.0414 128.05000 x x x x x
03.2 3.2 250 0.0385 128.05000 x x x
03.5 3.5 250 0.0370 128.05000 x x x
004. 4 125 0.0312 270.703 x x x x x
005. 5 125 10kA @ 125 VAC 0.0199 302.836 x x x x x
007. 7 125 0.0114 305.758 x x x x x
2017 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: 01/31/17