255
© 2009 Littelfuse, Inc.
Specications are subject to change without notice.
Axial Lead & Cartridge Fuses
2AG > Fast Acting > 224/225 Series
224/225 Series
Please refer to www.littelfuse.com/series/224.html
or /225.html for current information.
224/225 Series
224/225 Series Lead-Free 2AG, Fast-Acting
The 2AG Fast-Acting Fuses are available in cartridge
form or with axial leads. 2AG Fuses provide the same
performance characteristics as their 3AG counterpart, while
occupying one-third the space. Sleeved fuses are available.
Agency Approvals
Agency Agency File Number Ampere Range
E10480 375mA - 3.5A
E10480 4A - 10A
LR 29862 375mA - 10A
PS
E
NBK200405-E10480
NBK060405-E10480
Cartridge: 1A - 10A
Pigtail: 1A - 10A
375mA - 10A
Features
Electrical Characteristics for Series
t *OBDDPSEBODF
with underwriter’s
Laboratories Standard
UL 248-14
t "WBJMBCMFJODBSUSJEHF
and axial lead form and
with various forming
dimensions
t 3P)4DPNQMJBOUBOE
Lead-free
Applications
% of Ampere
Rating Opening Time
100% 4 hours, Minimum
135% 1 hour, Maximum
200% 1 sec., Maximum
Amp
Code
Ampere
Rating
(A)
Voltage
Rating
(V)
Interrupting
Rating
Nominal
Cold
Resistance
(Ohms)
Nominal
Melting
I2t (A2 sec)
Agency Approvals
®
PS
E
.375 0.375 250
35A@250Vac
10KA@125Vac
10KA@125Vdc
0.3950 0.171 x x x
.500 0.5 250 0.2650 0.365 x x x
.750 0.75 250 0.1520 1.050 x x x
001. 1 250 0.1027 2.220 x x x x
01.5 1.5 250 0.0712 0.800 x x x x
002. 2 250 100A@250Vac
10KA@125Vac
10KA@125Vdc
0.0497 1.500 x x x x
02.5 2.5 250 0.0372 2.680 x x x x
003. 3 250 0.0317 4.620 x x x x
03.5 3.5 250 0.0265 6.700 x x x x
004. 4 125 100A@250Vac
500A@125Vac
0.0240 9.400 xxxx
005.5125 0.018617.0 xxxx
005. 5 250 0.0186 17.0 x x x
006. 6 125
500A@125Vac
0.0154 22.1 xxxx
007. 7 125 0.0130 40.0 xxxx
008. 8 125 0.0107 56.0 xxxx
010. 10125 0.0075116.0 xxxx
Electrical Characteristic Specications by Item
Used as supplementary protection in appliance or
utilization equipment to provide individual protection for
components or internal circuits.
PS
E
Description
* 10A with 500A @ 125 Vdc internal breaking capacity testing.
Revised: March 2, 2011
Introduction to Circuit Protection
Introduction to Circuit Protection
Transientology
256 © 2009 Littelfuse, Inc.
Specications are subject to change without notice.
Axial Lead & Cartridge Fuses
2AG > Fast Acting > 224/225 Series
224/225 Series
Please refer to www.littelfuse.com/series/224.html
or /225.html for current information.
Average Time Current CurvesTemperature Rerating Curve
100
10
1
0.1
0.01
0.001
0.1 1 10 100 1000
.375A
.500A
.750A
1.00A
1.50A
2.00A
2.50A
3A
4A
5A
6A
7A
8A
10A
TIME IN SECONDS
CURRENT IN AMPERES
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) 5ZQJDBM*OEVTUSZ3FDPNNFOEBUJPO
Temperature Minimum: 10 0° 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:
4PMEFS*SPO5FNQFSBUVSF¡$¡$
)FBUJOH5JNFTFDPOETNBY
Note: These devices are not recommended for IR or
Convection Reow process.
Recommended Process Parameters:
257
© 2009 Littelfuse, Inc.
Specications are subject to change without notice.
Axial Lead & Cartridge Fuses
2AG > Fast Acting > 224/225 Series
224/225 Series
Please refer to www.littelfuse.com/series/224.html
or /225.html for current information.
224/225 Series
Product Characteristics
Dimensions
Materials
Body : Glass
Cap : Nickel–plated brass
Leads: Tin–plated Copper
Terminal Strength .*-45%'.FUIPE"
Test Condition A
Solderability 3FGFSFODF*&$4FDPOE&EJUJPO
2003-01 Annex A
Product Marking
Cap1 : Brand logo, current and Voltage
Ratings
Cap2 : Series and Agency approval Mark
Operating
Temperature:
o$UP$
Thermal
Shock:
.*-45%'.FUIPE(5FTU$POEJUJPO#
$ZDMFT$UP$
Vibration .*-45%'.FUIPE"
Humidity .*-45%'.FUIPE#5FTU$POEJUJPO"
)JHI3)BOEFMFWBUFEUFNQ$GPS
240 hours
Salt Spray .*-45%'.FUIPE%5FTU$POEJUJPO#
225 000P Series 224 000P Series
4.5
(.177")
14.48
(.57")
14.48
(.57")
4.7 (.184") .635
(.025")
38.1
(1.50") TYP.
Part Numbering System
0224 M X Pxxxx
Lead-free
Packaging Code
Quantity Code
Amp Code
Series
X = Filler
M = 1000
Refer to Amp Code column of
Electrical Characteristics Table
Note: The ratings from 4A to 10A with MXUP in
the sufx
Introduction to Circuit Protection
Introduction to Circuit Protection
Transientology
258 © 2009 Littelfuse, Inc.
Specications are subject to change without notice.
Axial Lead & Cartridge Fuses
2AG > Fast Acting > 224/225 Series
224/225 Series
Please refer to www.littelfuse.com/series/224.html
or /225.html for current information.
Packaging
Packaging Option Packaging Specication Quantity Quantity &
Packaging Code Taping Width
224 Series
Bulk /" 1000 MX /"
Bulk /" 100 )9 /"
Reel and Tape &*"& 1500 DRT1 T1=52mm (2.062”)
225 Series
Bulk /" 1000 MX /"
Bulk /" 100 )9 /"