Axial Lead & Cartridge Fuses
5×20 mm > Fast-Acting > 235 Series
235 Series, 5×20 mm, Fast-Acting Fuse
Description
RoHS
Pb
PS
E
5×20mm fast-acting glass body cartridge fuse designed to
UL specification.
Features
• Designed to UL/CSA/
ANCE 248 Standard
• Available in cartridge and
axial lead format
Agency Approvals
Agency
Agency File Number
Ampere Range
• RoHS compliant and
lead-free
Applications
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
100%
135%
200%
0.100A – 7A
Ampere Rating
Opening Time
4 hours, Minimum
1 hour, Maximum
5 seconds, Maximum
PS
E
Cartridge:
NBK030609-JP1021A
NBK190609-JP1021A
NBK030609-JP1021B
Leaded:
NBK030609-JP1021C
NBK190609-JP1021B
NBK030609-JP1021D
SU05001 – 3007
SU05001 – 2002
SU05001 – 2003
E10480
1-3.5A
4-5A
6-7A
1-3.5A
4-5A
6-7A
0.100A – 0.400A
0.500A – 3A
4A – 6A
0.100A - 7A
29862
N/A
0.100A – 3A
4A – 6A
0.100A – 7A
Additional Information
Datasheet
Resources
Samples
Accessories
For recommended fuse accessories for this product series,
see ‘Recommended
Accessories’
section.
© 2016 Littelfuse, Inc.
Application testing is strongly recommended. Specifications are subject to change without notice.
Revised: 06/06/16
Axial Lead & Cartridge Fuses
5×20 mm > Fast-Acting > 235 Series
Electrical Characteristic Specifications by Item
Amp Rating
Amp Code
(A)
.100
.125
.200
.250
.300
.400
.500
.600
.700
.800
001.
1.25
01.6
002.
02.5
003.
03.5
004.
005.
006.
007.
0.1
0.125
0.2
0.25
0.3
0.4
0.5
0.6
0.7
0.8
1
1.25
1.6
2
2.5
3
3.5
4
5
6
7
Voltage
Rating
(V)
250
250
250
250
250
250
250
250
250
250
250
250
250
250
250
250
250
125
125
125
125
10kA @ 125VAC
100A @ 250VAC
10kA @ 125VAC
35A @ 250VAC
10kA @ 125VAC
Interrupting
Rating
Nominal Cold
Resistance
(Ohms)
8.4000
5.7500
3.1500
2.2500
1.6000
1.075
0.4265
0.3195
0.2625
0.1920
0.1530
0.1055
0.0758
0.0603
0.0437
0.0347
0.0331
0.0246
0.0184
0.0148
0.0157
Nominal
Melting
I
2
t
2
sec)
(A
0.00127
0.00273
0.00867
0.01660
0.03215
0.05845
0.06915
0.11200
0.15600
0.25300
0.46750
1.08500
2.02500
2.64500
5.44500
8.39500
17
.14000
17
.14000
27
.41000
47
.32500
64.81500
Agency Approvals
PS
E
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
Temperature Re-rating Curve
Average Time Current Curves
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
10000
1000
TIME IN SECONDS
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
CURRENT IN AMPERES
100
1000
Please contact Littelfuse for details on T-C curve for 7A rating
© 2016 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: 06/06/16
Axial Lead & Cartridge Fuses
5×20 mm > Fast-Acting > 235 Series
Soldering Parameters - Wave Soldering
300
Recommended Process Parameters:
Wave Parameter
Preheat:
(Depends on Flux Activation Temperature)
(Typical Industry Recommendation)
Temperature (°C) - Measured on bottom side of board
280
260
240
220
200
180
160
140
120
100
80
60
40
20
100
110
120
130
140
150
160
170
180
190
200
210
220
230
240
10
20
30
40
50
60
70
80
90
0
0
Lead-Free Recommendation
Temperature Minimum:
Temperature Maximum:
Preheat Time:
Solder Pot Temperature:
Solder Dwell Time:
100
°
C
150
°
C
60-180 seconds
260
°
C Maximum
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.
Time (Seconds)
Preheat Time
Dwell Time
Cooling Time
Product Characteristics
Materials
Terminal Strength
Solderability
Product Marking
Body: Glass
Cap: Nickel–plated brass
Leads: Tin–plated Copper
MIL-STD-202, Method 211 .
Test Condition A
MIL-STD-202 Method 208
Cap 1: Brand logo, current and voltage
rating
Cap 2: Series and agency approval
markings
Available in Bulk (M=1000 pcs/pkg) or on
Tape/Reel (MRET1=1000 pcs/reel)
Operating Temperature
Thermal Shock
Vibration
Humidity
–55ºC to +125ºC
MIL
-STD-202, Method 107 Test
,
Condition B: (5 cycles –65
O
C +
125
O
C)
MIL
-STD-202, Method 201
MIL
-STD-202, Method 103, Test
Condition A high RH (95%) and
elevated temperature (40
O
C) for 240
hours
MIL
-STD-202, Method 101, Test
Condition B
Packaging
Salt Spray
© 2016 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: 06/06/16
Axial Lead & Cartridge Fuses
5×20 mm > Fast-Acting > 235 Series
Dimensions
20+0.5
Part Numbering System
0235 xxxx M X E P
5.2+0.1
-0.2
0235000P
5.1+0.6
5.1+0.6
Series
Amp Code
Refer to Amp Code column of
Electrical Characteristics Table
0235.100 XEP
to
0235.400 XEP
40±1.0
21.5±1.0
5.6±0.4
Quantity Code
M = 1000
Packaging Code
0.65±0.05
X = Filler
Option Code
E = Axial Leaded
0235.500 XEP
to
0235006.XEP
40±1.0
21.5±1.0
5.5±0.3
Lead-free
0.65±0.05*
All dimensions in mm
Notes:
* Ratings above 6.3A have 0.8±0.05 diameter lead.
Packaging
Packaging Option
235 Series
Bulk
Bulk
Reel and Tape
Packaging Specification
N/A
N/A
EIA 296-E
Quantity
1000
1000
1000
Quantity &
Packaging Code
MX
MXE
MRET1
Taping Width
N/A
N/A
T1=53mm (2.087”)
Recommended Accessories
Accessory
Type
Series
345_ISF
Holder
345
830
520
Block
646
658
520_W
Clip
111
445
Description
Panel Mount Shock-Safe Fuseholder
Shock-Safe Fuseholder with PC Mount, Solder Mount and Panel Mount options
PC Mount Shock-Safe Miniature Fuseholder
Metric OMNI-BLOK® Fuse Block
PC Mount Miniature Fuse Block
Surface Mount Miniature Fuse Block
PC Mount Miniature Fuse Clip
PC Board Mount Fuse Clip
PC Board Mount Fuse Clip
250
Max
Application
Voltage
Max
Application
Amperage
10
20
16
10
6.3
10
6.3
10
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.
© 2016 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: 06/06/16
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