289
© 2009 Littelfuse, Inc.
Specications are subject to change without notice.
Axial Lead & Cartridge Fuses
232 Series
5×20 mm > Medium-Acting > 232 Series
Please refer to www.littelfuse.com/series/232.html for current information.
232 Series
232 Series, 5 x 20 mm, Medium-Acting Fuse
Agency Approvals
Agency Agency File Number Ampere Range
PS
E
Cartridge Certicates:
NBK260202-E10480 B
NBK290502-E10480 D
Leaded Certicates:
NBK290502-E10480 B
NBK290502-E10480 F
1A – 5A
6.3A – 10A
1A – 5A
6.3A – 10A
Certicates:
SU05001-2015 1A – 10A
1A – 10A
Features
Electrical Characteristics for Series
t %FTJHOFEUP+BQBOFTF
4UBOEBSE+*4$
t "WBJMBCMFJODBSUSJEHF
BOEBYJBMMFBEGPSNBU
t 3P)4DPNQMJBOUBOE
MFBEGSFF
% of Ampere
Rating Opening Time
130% IPVS.JOJNVN
160% IPVS.BYJNVN
200% NJOVUFT.BYJNVN
Applications
Electrical Characteristic Specications by Item
Amp Code Amp Rating
(A)
Voltage
Rating
(V)
Interrupting
Rating
Nominal Cold
Resistance
(Ohms)
Nominal
Melting
I2t
(A2 sec)
Agency Approvals
PS
E
001. 1 125/250
"!7"$
0.0923  Y Y Y
1.25 1.25 125/250 0.0685 4.11000 YYY
01.6 1.6 125/250  6.96000 YYY
002. 2 125/250  8.25000 YYY
02.5 2.5 125/250 0.0291  Y Y Y
003. 3 125/250 0.0226  Y Y Y
3.15 3.15 125/250 0.0215 21.9500 YYY
004. 4 125/250   Y Y Y
005. 5 125/250 0.0134  Y Y Y
06.3 6.3 125/250
"!7"$
0.0102 90.41500 YYY
008.* 8 125/250  182.58000 YYY
010.* 10 125/250 0.0059 290.66500 YYY
YNNNFEJVNoBDUJOHHMBTTCPEZDBSUSJEHFGVTF
EFTJHOFEUP.FUJ#4UBOEBSE
6TFEBTTVQQMFNFOUBSZQSPUFDUJPOJOBQQMJBODFPS
VUJMJ[BUJPOFRVJQNFOUUPQSPWJEFJOEJWJEVBMQSPUFDUJPOGPS
DPNQPOFOUTPSJOUFSOBMDJSDVJUT
PS
E
Description
5PPSEFS7BDSBUFEQMFBTFBEEQBSUOPTVGGJY
*OUFSSVQUJOH3BUJOHGPS""JT"!7BD
Revised: September 9,2010
Introduction to Circuit Protection
Introduction to Circuit Protection
Transientology
290 © 2009 Littelfuse, Inc.
Specications are subject to change without notice.
Axial Lead & Cartridge Fuses
232 Series
5×20 mm > Medium-Acting > 232 Series
Please refer to www.littelfuse.com/series/232.html for current information.
Average Time Current CurvesTemperature Rerating Curve
0.001
0.01
0.1
110100 1000
1
10
100
1000
10000
CURRENT IN AMPERES
TIME IN SECONDS
1A
1.25A
1.6A
2A
2.5A
3A
3.15A
4A
6.3A
8A
10A
5A
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:
%FQFOETPO'MVY"DUJWBUJPO5FNQFSBUVSF 5ZQJDBM*OEVTUSZ3FDPNNFOEBUJPO
5FNQFSBUVSF.JOJNVN 100° C
5FNQFSBUVSF.BYJNVN 150° C
1SFIFBU5JNF TFDPOET
Solder Pot Temperature: 260° $.BYJNVN
Solder Dwell Time: TFDPOET
Recommended Hand-Solder Parameters:
4PMEFS*SPO5FNQFSBUVSF¡$¡$
)FBUJOH5JNFTFDPOETNBY
Note: These devices are not recommended for IR or
Convection Reow process.
Recommended Process Parameters:
291
© 2009 Littelfuse, Inc.
Specications are subject to change without notice.
Axial Lead & Cartridge Fuses
232 Series
5×20 mm > Medium-Acting > 232 Series
Please refer to www.littelfuse.com/series/232.html for current information.
232 Series
Materials
#PEZ(MBTT
$BQ/JDLFMoQMBUFECSBTT
-FBET5JOoQMBUFE$PQQFS
Terminal Strength .*-45%(.FUIPE"
5FTU$POEJUJPO"
Solderability 3FGFSFODF*&$4FDPOE&EJUJPO
"OOFY"
Product Marking
$BQ#SBOEMPHDVSSFOUBOEWPMUBHF
SBUJOHTBOEBHFODZBQQSPWBM
$BQ#MBOL
Packaging "WBJMBCMFJO#VML.QDTQLHPSPO
5BQF3FFM.3&5QDTSFFM
Product Characteristics
Operating Temperature o$UP$
Thermal Shock
.*-45%(.FUIPE(5FTU
$POEJUJPO#DZDMFToO$
125O$
Vibration .*-45%(.FUIPE"
Humidity
.*-45%(.FUIPE#5FTU
$POEJUJPO"IJHI3)BOE
FMFWBUFEUFNQFSBUVSFO $GPS
IPVST
Salt Spray .*-45%(.FUIPE%5FTU
$POEJUJPO#
0232 000P
0232 000 XEP
20+0.5
5.1+0.6
5.2+0.1
-0.2
5.1+0.6
0.65*
40 22.5 MAX 5.8 MAX
All dimensions in mm
Notes:
* Ratings above 6.3A
have 0.8 mm dia lead
Dimensions
Packaging
Packaging Option Packaging Specication Quantity Quantity &
Packaging Code Taping Width
232 Series
#VML N/A 1000 .9 N/A
#VML N/A 1000 .9& N/A
Part Numbering System
0232 M X 125 Pxxxx
Lead-free
Packaging Code
Quantity Code
Amp Code
Series
X = Filler
Under Option Code
125 = To order 125Vac rated fuse
Blank = 250Vac rated fuse
M = 1000
Refer to Amp Code column of
Electrical Characteristics Table
Introduction to Circuit Protection
Introduction to Circuit Protection
Transientology
292 © 2009 Littelfuse, Inc.
Specications are subject to change without notice.