Axial Lead & Cartridge Fuses
5×20 mm > Fast-Acting > 235 Series
235 Series, 5×20 mm, Fast-Acting Fuse
RoHS
Pb
PS
E
Description
5×20mm fast-acting glass body cartridge fuse designed to
UL specification.
Features
• Designed to UL/CSA/
ANCE 248 Standard
• RoHS compliant and
lead-free
• Available in cartridge and
axial lead format
Applications
Agency Approvals
Agency
PS
E
Agency File Number
Cartridge:
NBK030609-JP1021A
NBK190609-JP1021A
NBK030609-JP1021B
Leaded:
NBK030609-JP1021C
NBK190609-JP1021B
NBK030609-JP1021D
SU05001 – 3007
SU05001 – 2002
SU05001 – 2003
Ampere Range
1A - 3.5A
4A -5A
6A -7A
1A - 3.5A
4A -5A
6A -7A
0.100A – 0.400A
0.500A – 3A
4A – 6A
Used as supplementary protection in appliance or
utilization equipment to provide individual protection for
components or internal circuits.
Electrical Characteristics for Series
% of Ampere
Rating
Ampere Rating
100%
135%
4 hours, Minimum
0.100A – 7A
200%
E10480
0.100A - 7A
29862
0.100A - 7A
N/A
0.100A – 7A
Opening Time
1 hour, Maximum
5 seconds, Maximum
Additional Information
Datasheet
Resources
Samples
Accessories
For recommended fuse accessories for this product series,
see ‘Recommended Accessories’ section.
© 2019 Littelfuse, Inc.
Specifications are subject to change without notice. Application testing is strongly recommended.
Revised: 02/05/19
Axial Lead & Cartridge Fuses
5×20 mm > Fast-Acting > 235 Series
Electrical Characteristic Specifications by Item
Agency Approvals
.100
0.1
250
8.4000
Nominal
Melting
I2t
(A2 sec)
0.00127
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
1.075
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
001.
1
250
0.1530
0.46750
x
x
x
x
x
1.25
1.25
250
0.1055
1.08500
x
x
x
x
x
0.0758
2.02500
x
x
x
x
x
0.0603
2.64500
x
x
x
x
x
0.0437
5.44500
x
x
x
x
x
x
x
x
Amp Rating
Amp Code
(A)
Voltage
Rating
(V)
Interrupting
Rating
35A @ 250VAC
10kA @ 125VAC
Nominal Cold
Resistance
(Ohms)
PS
E
01.6
1.6
250
002.
2
250
02.5
2.5
250
003.
3
250
0.0347
8.39500
x
x
03.5
3.5
250
0.0331
17.14000
x
x
100A @ 250VAC
10kA @ 125VAC
x
x
004.
4
125
0.0246
17.14000
x
x
x
x
x
005.
5
125
0.0184
27.41000
x
x
x
x
x
006.
6
125
0.0148
47.32500
x
x
x
x
x
007.
7
125
0.0157
64.81500
x
x
Average Time Current Curves
0.100A
0.125A
Temperature Re-rating Curve
x
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
10kA @ 125VAC
10000
TIME IN SECONDS
1000
100
10
1
0.1
Note:
Rerating depicted in this curve is in addition to the standard derating of 25% for
continuous operation.
0.01
0.1
1
10
100
1000
CURRENT IN AMPERES
Please contact Littelfuse for details on T-C curve for 7A rating
© 2019 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: 02/05/19
Axial Lead & Cartridge Fuses
5×20 mm > Fast-Acting > 235 Series
Soldering Parameters - Wave Soldering
Recommended Process Parameters:
280
Wave Parameter
260
Lead-Free Recommendation
240
Preheat:
220
(Depends on Flux Activation Temperature)
200
180
160
140
120
100
80
60
40
(Typical Industry Recommendation)
Temperature Minimum:
100°C
Temperature Maximum:
Preheat Time:
150°C
60-180 seconds
Solder Pot Temperature:
260°C Maximum
Solder Dwell Time:
2-5 seconds
Recommended Hand-Solder Parameters:
Time (Seconds)
Cooling Time
Preheat Time
Dwell Time
240
230
220
210
200
190
180
170
160
150
140
130
120
110
90
100
80
70
60
50
40
30
0
0
20
20
10
Temperature (°C) - Measured on bottom side of board
300
Solder Iron Temperature: 350°C +/- 5°C
Heating Time: 5 seconds max.
Note: These devices are not recommended for IR or
Convection Reflow process.
Product Characteristics
Materials
Body: Glass
Cap: Nickel–plated brass
Leads: Tin–plated Copper
Operating Temperature
–55ºC to +125ºC
Terminal Strength
MIL-STD-202, Method 211 .
Test Condition A
Thermal Shock
MIL-STD-202, Method 107, Test
Condition B: (5 cycles –65OC +
125OC)
Solderability
MIL-STD-202 Method 208
Vibration
MIL-STD-202, Method 201
Product Marking
Cap 1: Brand logo, current and voltage
rating
Cap 2: Series and agency approval
markings
Humidity
MIL-STD-202, Method 103, Test
Condition A high RH (95%) and
elevated temperature (40O C) for 240
hours
Packaging
Available in Bulk (M=1000 pcs/pkg) or on
Tape/Reel (MRET1=1000 pcs/reel)
Salt Spray
MIL-STD-202, Method 101, Test
Condition B
© 2019 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: 02/05/19
Axial Lead & Cartridge Fuses
5×20 mm > Fast-Acting > 235 Series
Dimensions
Part Numbering System
0235 xxxx M X E P
20+0.5
5.2+0.1
-0.2
0235000P
5.1+0.6
Series
Amp Code
5.1+0.6
Refer to Amp Code column of
Electrical Characteristics Table
Quantity Code
5.6±0.4
21.5±1.0
40±1.0
0235.100 XEP
to
0235.400 XEP
M = 1000
Packaging Code
X = Filler
0.65±0.05
Option Code
E = Axial Leaded
Lead-free
5.5±0.3
21.5±1.0
40±1.0
0235.500 XEP
to
0235006.XEP
0.65±0.05*
All dimensions in mm
Notes:
* Ratings above 6.3A have 0.8±0.05 diameter lead.
Packaging
Packaging Option
Packaging Specification
Quantity
Quantity &
Packaging Code
Taping Width
N/A
N/A
EIA 296-E
1000
1000
1000
MX
MXE
MRET1
N/A
N/A
T1=53mm (2.087”)
235 Series
Bulk
Bulk
Reel and Tape
Recommended Accessories
Accessory
Type
Holder
Block
Clip
Series
Max
Application
Voltage
Description
Max
Application
Amperage
345_ISF
Panel Mount Shock-Safe Fuseholder
10
345
Shock-Safe Fuseholder with PC Mount, Solder Mount and Panel Mount options
20
830
PC Mount Shock-Safe Miniature Fuseholder
16
520
Metric OMNI-BLOK® Fuse Block
10
646
PC Mount Miniature Fuse Block
250
6.3
658
Surface Mount Miniature Fuse Block
10
520_W
PC Mount Miniature Fuse Clip
6.3
111
PC Board Mount Fuse Clip
10
445
PC Board Mount Fuse Clip
10
Notes:
1. Do not use in applications above rating.
2. Please refer to fuseholder data sheet for specific re-rating information.
3. Please contact factory for applications greater than the max voltage and amperage shown.
Disclaimer Notice - Information furnished is believed to be accurate and reliable. However, users should independently evaluate the suitability of and test each
product selected for their own applications. Littelfuse products are not designed for, and may not be used in, all applications. Read complete Disclaimer Notice at:
www.littelfuse.com/disclaimer-electronics.
© 2019 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: 02/05/19
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