293
© 2009 Littelfuse, Inc.
Specications are subject to change without notice.
Axial Lead & Cartridge Fuses
235 Series
5×20 mm > Fast-Acting > 235 Series
Please refer to www.littelfuse.com/series/235.html for current information.
235 Series
Agency Approvals
Features
Applications
Agency Agency File Number Ampere Range
PS
E
Cartridge Certicates:
NBK290502-E10480 G
NBK290502-E10480 I
Leaded Certicates:
NBK290502-E10480 H
NBK290502-E10480 J
1A – 5A
6A & 7A
1A – 5A
6A & 7A
Certicates:
SU05001 – 3007
SU05001 – 2002
SU05001 – 2003
100mA – 400mA
500mA – 3A
4A – 6A
Listed File:
E10480
Guide No:
JDYX
100mA - 7A
File No:
029862
Certicate Class No:
LR1422-01
100mA – 3A
4A – 6A
100mA – 7A
t %FTJHOFEUP6-$4"
"/$&4UBOEBSE
t "WBJMBCMFJODBSUSJEHF
BOEBYJBMMFBEGPSNBU
t 3P)4DPNQMJBOUBOE
MFBEGSFF
Electrical Characteristics for Series
% of Ampere
Rating Ampere Rating Opening Time
100%
100mA – 7A
IPVST.JOJNVN
135% IPVS.BYJNVN
200% TFDPOET.BYJNVN
YNNGBTUBDUJOHHMBTTCPEZDBSUSJEHFGVTFEFTJHOFEUP
6-TQFDJåDBUJPO
6TFEBTTVQQMFNFOUBSZQSPUFDUJPOJOBQQMJBODFPS
VUJMJ[BUJPOFRVJQNFOUUPQSPWJEFJOEJWJEVBMQSPUFDUJPOGPS
DPNQPOFOUTPSJOUFSOBMDJSDVJUT
235 Series, 5 x 20 mm, Fast-Acting Fuse PS
E
Description
Revised: September 9, 2010
Introduction to Circuit Protection
Introduction to Circuit Protection
Transientology
294 © 2009 Littelfuse, Inc.
Specications are subject to change without notice.
Axial Lead & Cartridge Fuses
235 Series
5×20 mm > Fast-Acting > 235 Series
Please refer to www.littelfuse.com/series/235.html for current information.
Amp Code Amp Rating
(A)
Voltage
Rating
(V)
Interrupting
Rating
Nominal Cold
Resistance
(Ohms)
Nominal
Melting
I2t
(A2 sec)
Agency Approvals
PS
E
  250
35A@250Vac,
10000A@125Vac
  Y Y Y Y
  250   Y Y Y Y
  250   Y Y Y Y
  250   Y Y Y Y
  250   Y Y Y Y
  250   Y Y Y Y
  250   Y Y Y Y
  250   Y Y Y Y
  250   Y Y Y Y
  250   Y Y Y Y
 1 250
100A@250Vac,
10000A@125Vac
  YYYYY
  250   YYYYY
  250   YYYYY
 2 250   YYYYY
  250   YYYYY
 3 250   YYYYY
  250   Y Y Y
 4125
10000@125Vac
  YYYYY
 5125 YYYYY
 6125   YYYYY
 7125   Y Y Y
Electrical Characteristic Specications by Item
Average Time Current Curves
Temperature Rerating Curve
100
10
1
0.1
0.1 1 10 100 1000
0.01
1000
10000
TIME IN SECONDS
CURRENT IN AMPERES
0.100A
0.125A
0.200A
0.250A
0.300A
0.400A
0.500A
0.600A
0.700A
0.800A
1A
1.25A
1.6A
2A
2.5A
3A
4A
5A
6A
1MFBTFDPOUBDU-JUUFMGVTFGPSEFUBJMTPO5$DVSWFGPS"SBUJOH
295
© 2009 Littelfuse, Inc.
Specications are subject to change without notice.
Axial Lead & Cartridge Fuses
235 Series
5×20 mm > Fast-Acting > 235 Series
Please refer to www.littelfuse.com/series/235.html for current information.
235 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MPHPDVSSFOUBOEWPMUBHF
SBUJOH
$BQ4FSJFTBOEBHFODZBQQSPWBM
NBSLJOHT
Packaging "WBJMBCMFJO#VML.QDTQLHPSPO
5BQF3FFM.3&5QDTSFFM
Product Characteristics
Operating Temperature –55ºC to +125ºC
Thermal Shock
.*-45%(.FUIPE(5FTU
$POEJUJPO#DZDMFToOC +
125O$
Vibration .*-45%(.FUIPE"
Humidity
.*-45%(.FUIPE#5FTU
$POEJUJPO"IJHI3)BOE
FMFWBUFEUFNQFSBUVSFO $GPS
hours
Salt Spray .*-45%(.FUIPE%5FTU
$POEJUJPO#
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:
Introduction to Circuit Protection
Introduction to Circuit Protection
Transientology
296 © 2009 Littelfuse, Inc.
Specications are subject to change without notice.
Axial Lead & Cartridge Fuses
235 Series
5×20 mm > Fast-Acting > 235 Series
Please refer to www.littelfuse.com/series/235.html for current information.
Dimensions
Packaging
0235000P
0235.400 XEP
0235.100 XEP
to
0.65
40
20+0.5
22.5 MAX
5.1+0.6
5.2+0.1
-0.2
5.1+0.6
6.0 MAX
0235006.XEP
0235.500 XEP
to
0.65*
40 22.5 MAX 5.8 MAX
All dimensions in mm
Notes:
* Ratings above 6.3A
ø0.8 mm dia lead
Part Numbering System
0235 M X E Pxxxx
Lead-free
Packaging Code
Quantity Code
Amp Code
Series
X  Filler
Option Code
E  "YJBM-FBEFE
M  1000
3FGFSUP"NQ$PEFDPMVNOPG
&MFDUSJDBM$IBSBDUFSJTUJDT5BCMF
Packaging Option Packaging Specication Quantity Quantity &
Packaging Code Taping Width
235 Series
#VML /" 1000 MX /"
#VML /" 1000 MXE /"
3FFMBOE5BQF EIA 296-E 1000 .3&5 5NNw
#VML /" 1000 MXB /"
#VML /" 100 HX /"
#VML /" 100 HXE /"