Revised: January 7, 2009
293
© 2009 Littelfuse, Inc.
Specifications 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 Certificates:
NBK290502-E10480 G
NBK290502-E10480 I
Leaded Certificates:
NBK290502-E10480 H
NBK290502-E10480 J
1A – 5A
6A & 7A
1A – 5A
6A & 7A
Certificates:
SU05001 – 3007
SU05001 – 2002
SU05001 – 2003
100mA – 400mA
500mA – 3A
4A – 6A
Listed File:
E10480
Guide No:
JDYX
100mA - 7A
File No:
029862
Certificate Class No:
LR1422-01
100mA – 3A
4A – 6A
100mA – 7A
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ANCE 248 Standard
t "WBJMBCMFJODBSUSJEHF
and axial lead format
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lead-free
Electrical Characteristics for Series
% of Ampere
Rating Ampere Rating Opening Time
100%
100mA – 7A
4 hours, Minimum
135% 1 hour, Maximum
200% 5 seconds, Maximum
5x20mm fast-acting glass body cartridge fuse designed to
UL specification.
Used as supplementary protection in appliance or
utilization equipment to provide individual protection for
components or internal circuits.
235 Series, 5 x 20 mm, Fast-Acting Fuse PS
E
Description
Revised: January 7, 2009
Introduction to Circuit Protection
Introduction to Circuit Protection
Transientology
294 © 2009 Littelfuse, Inc.
Specifications 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
.100 0.1 250
35A@250Vac,
10000A@125Vac
8.4000 0.00312 x x x x
.125 0.125 250 5.7500 0.00273 x x x x
.200 0.2 250 3.1500 0.00867 x x x x
.250 0.25 250 2.2500 0.01660 x x x x
.300 0.3 250 1.6000 0.03215 x x x x
.400 0.4 250 1.750 0.05845 x x x x
.500 0.5 250 0.4265 0.06915 x x x x
.600 0.6 250 0.3195 0.11200 x x x x
.700 0.7 250 0.2625 0.15600 x x x x
.800 0.8 250 0.1920 0.25300 x x x x
001. 1 250
100A@250Vac,
10000A@125Vac
0.1530 0.46750 xxxxx
1.25 1.25 250 0.1055 1.08500 xxxxx
01.6 1.6 250 0.0758 2.02500 xxxxx
002. 2 250 0.0603 2.64500 xxxxx
02.5 2.5 250 0.0437 5.44500 xxxxx
003. 3 250 0.0347 8.39500 xxxxx
03.5 3.5 250 0.0331 17.14000 x x x
004. 4 125
10000@125Vac
0.0246 17.14000 xxxxx
005. 5 125 0.0184 27.41000 xxxxx
006. 6 125 0.0148 47.32500 xxxxx
007. 7 125 0.0157 64.81500 x x x
Electrical Characteristic Specifications 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
Please contact Littelfuse for details on T-C curve for 7A rating
Revised: January 7, 2009
295
© 2009 Littelfuse, Inc.
Specifications 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
Body: Glass
Cap: Nickel–plated brass
Leads: Tin–plated Copper
Terminal Strength MIL-STD-202G, Method 211A.
Test Condition A
Solderability Reference IEC 60127 Second Edition
2003-01 Annex A
Product Marking
Cap 1: Brand logo, current and voltage
rating
Cap 2: Series and agency approval
markings
Packaging Available in Bulk (M=1000 pcs/pkg) or on
Tape/Reel (MRET1=1000 pcs/reel)
Product Characteristics
Operating Temperature –55ºC to +125ºC
Thermal Shock
MIL-STD-202G, Method 107G, Test
Condition B: (5 cycles –65OC +
125OC)
Vibration MIL-STD-202G, Method 201A
Humidity
MIL-STD-202G, Method 103B, Test
Condition A high RH (95%) and
elevated temperature (40O C) for 240
hours
Salt Spray MIL-STD-202G, Method 101D, Test
Condition B
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:
Revised: January 7, 2009
Introduction to Circuit Protection
Introduction to Circuit Protection
Transientology
296 © 2009 Littelfuse, Inc.
Specifications 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
Packaging Option Packaging Specification Quantity Quantity &
Packaging Code Taping Width
235 Series
Bulk N/A 1000 MX N/A
Bulk N/A 1000 MXB N/A
Reel and Tape EIA 296-E 1000 MRET1 T1=52mm (2.062”)
Part Numbering System
0235 M X E Pxxxx
Lead-free
Packaging Code
Quantity Code
Amp Code
Series
X = Filler
Option Code
E = Axial Leaded
M = 1000
Refer to Amp Code column of
Electrical Characteristics Table