Littelfuse 0326020.H

Cross Number:

Item Description: FUSE CERAMIC 20A 250VAC 3AB 3AG

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12 - 22 $1.93980
23 - 34 $1.69497
35 - 45 $1.63847
46 + $1.46897



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Littelfuse
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Technical Document


DISCLAIMER: The information provided herein is solely for informational purposes. Customers must be aware of the suitability of this product for their application, and consider that variable factors such as Manufacturer, Product Category, Date Codes, Pictures and Descriptions may differ from available inventory.

© 2012 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: December 6, 2012
Axial Lead & Cartridge Fuses
325/326 Series
3AB > Time Lag > 325/326 Series
Please refer to www.littelfuse.com/series/325.html
or /326.html for current information.
325/326 Series Lead-Free 3AB, Slo-Blo
®
Fuse
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.
Agency Approvals
Agency Agency File Number Ampere Range
E10480 250mA - 10A
E10480 12A - 30A
LR 29862 250mA - 30A
PS
E
NBK 030805-
E10480A-F/
NBK 260106-
JP1021A/B
1A - 30A
SU05001-5010
SU05001-5011
SU05001-5012
SU05001-7005
2.5A - 3.2A/
7A - 20A
10mA - 30A
Features
Applications
Electrical Characteristics for Series
% of Ampere
Rating
Ampere Rating Opening Time
100% 100mA – 30A 4 hours, Minimum
135% 100mA – 30A 1 hour, Maximum
200%
100mA – 3.2A 5 sec., Min., 30 sec., Max.
4A – 30A 5 sec., Min., 60 sec., Max.
In accordance with UL
Standard 248-14
Available in cartridge
and axial lead format
and with various forming
dimensions
RoHS compliant and
Lead-free
Used as supplementary protection in appliance or
utilization equipment to provide individual protection for
components or internal circuits.
PS
E
Description
© 2012 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: December 6, 2012
Axial Lead & Cartridge Fuses
325/326 Series
3AB > Time Lag > 325/326 Series
Please refer to www.littelfuse.com/series/325.html
or /326.html for current information.
325/326 Series
Amp Code
Ampere
Rating
(A)
Voltage
Rating
(V)
Interrupting
Rating
Nominal Cold
Resistance
(Ohms)
Nominal
Melting
I
2
t (A
2
sec)
Agency Approvals
PS
E
.010 0.01 250
100A@250Vac
3324.8000 0.00148 x
.031 0.031 250 332.5000 0.0110 x
.062 0.062 250 91.7000 0.0276 x
.100 0.1 250 33.5500 0.0870 x
.125 0.125 250 22.4500 0.100 x
.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
100A@250Vac
10KA@125Vac
10KA@125Vdc
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 7.00 x x x
.800 0.8 250 0.5725 8.20 x x x
001. 1 250 0.3890 16.3 x x x x
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 xxxx
02.8 2.8 250 0.0695 170.0 x xxxx
003. 3 250 0.0605 200.0 x xxxx
03.2 3.2 250
100A@250Vac
10KA@125Vac
0.0539 214.0 x xxxx
004. 4 250
400A@250Vac
10KA@125Vac
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
007. 7 250 0.0227 47.3 x xxxx
008. 8 250 0.0193 67.1 x xxxx
010. 10 250 0.0132 137 x xxxx
012. 12 250
400A@250Vac
10KA@125Vac
600A@125Vdc
0.0067 129 x x x x x
012.* 12 250
1500A@250Vac
0.0011 445 x x x
015. 15 250
400A@250Vac
10KA@125Vac
600A@125Vdc
0.0050 245 x x x x x
015.* 15 250
1500A@250Vac
0.0083 760 x x x
020.
20
250
400A@250Vac
10KA@125Vac
600A@125Vdc
0.0034 575 x x x x x
020.*
20
250
1500A@250Vac
0.0042 2500
xx x
025.
25
250
400A@250Vac
10KA@60Vdc
600A@125Vdc
0.0024 1030 x x x x
030. 30 250 0.0019 1690 x x x x
Electrical Characteristic Specifications by Item
*Higher i
2
t version available. Please add suffix “D” to part numbers. For instance, 0325020.MXDP, 0326020.MXDP
I
2
t test at 10x rated current.
© 2012 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: December 6, 2012
Axial Lead & Cartridge Fuses
325/326 Series
3AB > Time Lag > 325/326 Series
Please refer to www.littelfuse.com/series/325.html
or /326.html for current information.
Average Time Current Curves
1000
100
10
1
0.1
0.01
10
CURRENT IN AMPERES
TIME IN SECONDS
100 10000.1 10.05
5.0A
4.0A
3.5A
3.0A
2.5A
2.0A
1.5A
1.0A
.750A
.500A
.375A
20.0A
15.0A
12.0A
10.0A
8.0A
7.0A
6.25A
30.0A
25.0A
Temperature Rerating Curve
Soldering Parameters - Wave Soldering
Dwell Time
0
20
40
60
80
100
120
140
160
180
200
220
240
260
280
300
0
10
20
30
40
50
60
70
80
90
100
110
120
130
140
150
160
170
180
190
200
210
220
230
240
Time (Seconds)
Temperature (°C) - Measured on bottom side of board
Cooling Time
Preheat Time
Wave Parameter Lead-Free Recommendation
Preheat:
(Depends on Flux Activation Temperature)
(Typical Industry Recommendation)
Temperature Minimum:
100
° C
Temperature Maximum:
150
° C
Preheat Time: 60-180 seconds
Solder Pot Temperature:
260
° C Maximum
Solder Dwell Time: 2-5 seconds
Recommended Hand-Solder Parameters:
Solder Iron Temperature: 350° C +/- 5°C
Heating Time: 5 seconds max.
Note: These devices are not recommended for IR or
Convection Reflow process.
Recommended Process Parameters:
12NEXT

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