Littelfuse 325 User Manual
Axial Lead & Cartridge Fuses
3AB > Time Lag > 325/326 Series
325/326 Series Lead-Free 3AB, Slo-Blo® Fuse
PS
E
Description
The 3AB Slo-Blo® Fuse with ceramic body construction
permits higher interrupting ratings and voltage ratings.
Ideal for applications where high current loads are
expected.
Features
Agency Approvals
Agency Agency File Number Ampere Range
E10480 250mA - 10A
E10480 12A - 30A
LR 29862 250mA - 30A
NBK 030805-
PS
E
E10480A-F/
NBK 260106JP1021A/B
SU05001-5010
SU05001-5011
SU05001-5012
SU05001-7005
1A - 30A
2.5A - 3.2A/
7A - 20A
10mA - 30A
• InaccordancewithUL
Standard 248-14
• RoHScompliantand
Lead-free
• Availableincartridge
and axial lead format
and with various forming
dimensions
Applications
Used as supplementary protection in appliance or
utilization equipment to provide individual protection for
components or internal circuits.
Electrical Characteristics for Series
% of Ampere
Rating
100% 100mA – 30A 4 hours, Minimum
135% 100mA – 30A 1 hour, Maximum
200%
Ampere Rating Opening Time
100mA – 3.2A 5 sec., Min., 30 sec., Max.
4A – 30A 5 sec., Min., 60 sec., Max.
Additional Information
© 2013 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: 12/19/13
Datasheet
325 Series
Datasheet
326 Series
Resources
325 Series
Resources
326 Series
Samples
325 Series
Samples
326 Series
Axial Lead & Cartridge Fuses
3AB > Time Lag > 325/326 Series
Electrical Characteristic Specifications by Item
Amp Code
Rating
(A)
.010 0.01 250
Ampere
Voltage
Rating
(V)
Interrupting
Rating
Nominal Cold
Resistance
(Ohms)
Nominal
Melting
2
t (A2 sec)
I
PS
E
3324.8000 0.00148 x
Agency Approvals
.031 0.031 250 332.5000 0. 0110 x
.062 0.062 250 91.7000 0.0276 x
.10 0 0.1 250 33.5500 0.0870 x
.125 0.125 250 22.4500 0.100 x
100A@250Vac
.150 0.15 250 15.4500 0.143 x
.175 0.175 250 8.9200 0.220 x
.187 0.187 250 7.7250 0.230 x
.200 0.2 250 6.7700 0.213 x
.250 0.25 250
4.4300 0.432 x x x
.300 0.3 250 3.2200 0.690 x x x
.375 0.375 250 2.1550 1.20 x x x
.400 0.4 250 1.9350 1.33 x x x
.500 0.5 250 1.3000 2.50 x x x
.600 0.6 250 0.9495 3.90 x x x
.700 0.7 250 0.7215 6.42 x x x
.750 0.75 250 0.6410 7. 0 0 x x x
.800 0.8 250 0.5725 8.20 x x x
0 01. 1 250 0.3890 16.3 x x x x
100A@250Vac
10KA@125Vac
10KA@125Vdc
01. 2 1. 2 250 0.2860 22.0 x x x x
1.25 1.25 250 0.2680 24.0 x x x x
01. 5 1. 5 250 0.1975 40.1 x x x x
01. 6 1. 6 250 0.1760 45.0 x x x x
002. 2 250 0.1210 80.0 x x x x
02.5 2.5 250 0.0835 136.0 x x x x x
02.8 2.8 250 0.0695 170.0 x x x x x
003. 3 250 0.0605 200.0 x x x x x
03.2 3.2 250
004. 4 250
100A@250Vac
10KA@125Vac
0.0539 214.0 x x x x x
0.0761 9.71 x x x x
005. 5 250 0.0522 25.0 x x x x
6.25 6.25 250 0.0346 60.4 x x x x
0 0 7. 7 250 0.0227 47.3 x x x x x
400A@250Vac
10KA@125Vac
008. 8 250 0.0193 67.1 x x x x x
010. 10 250 0.0132 137 x x x x x
400A@250Vac
012. 12 250
012.* 12 250
015. 15 250
015.* 15 250
020.
020.*
025.**
025.
20
20
25
25
250
250
250
250
030. 30 250 0.0019 1690 x x x x
*Higher i2t version available. Please add suffix “D” to part numbers. For instance, 0325020.MXDP, 0326020.MXDP
2
t test at 10× rated current.
I
2
t version available. Please add suffix “W” to part numbers. For instance, 0325025.MXWP
**Higher I
10KA@125Vac
600A@125Vdc
1500A@250Vac
400A@250Vac
10KA@125Vac
600A@125Vdc
1500A@250Vac
400A@250Vac
10KA@125Vac
600A@125Vdc
1500A@250Vac
1500A@250Vac
400A@250Vac
10KA@60Vdc
600A@125Vdc
0.0067 129 x x x x x
0.0011 445 x x x
0.0050 245 x x x x x
0.0083 760 x x x
0.0034 575 x x x x x
0.0042 2500
0.0032 4682
x x x
x x
0.0024 1030 x x x x
Specifications are subject to change without notice.
© 2013 Littelfuse, Inc.
Revised: 12/19/13
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