232 Series Datasheet by Littelfuse Inc.

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© 2019 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: 08/21/19
Axial Lead & Cartridge Fuses
5×20 mm > Medium-Acting > 232 Series
Agency Agency File Number Ampere Range
PS
E
Cartridge:
NBK180509-JP1021 A/C
NBK020609-JP1021 A/C
Leaded:
NBK180509-JP1021 B/D
NBK020609-JP1021 B/D
1A – 5A
6.3A – 10A
1A – 5A
6.3A – 10A
SU05001-2015 1A – 10A
N/A 1A – 10A
232 Series, 5×20 mm, Medium-Acting Fuse
Agency Approvals
Features
Electrical Characteristics for Series
Available in cartridge and
axial lead format
RoHS compliant and
lead-free
Approved to DENAN’s
Appendix 3
% of Ampere Rating Opening Time
130% 1 hour, Minimum
160% 1 hour, Maximum
200% 2 minutes, Maximum
Applications
RoHS
Pb
Electrical Characteristic Specifications 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
0 01. 1 125/250
10 kA @ 125VAC
0.0923 1.37300 x x x
1.25 1.25 125/250 0.0685 4.11000 x x x
01.6 1.6 125/250 0.0537 6.96000 x x x
002. 2 125/250 0.0370 8.25000 x x x
02.5 2.5 125/250 0.0291 13.87500 x x x
003. 3 125/250 0.0226 17.19000 x x x
3.15 3.15 125/250 0.0215 21.9500 x x x
004. 4 125/250 0.0174 37.73000 x x x
005. 5 125/250 0.0134 56.72000 x x x
06.3 6.3 125/250
300A @ 125VAC
0.0102 151.54000 x x x
008.* 8 125/250 0.0076 182.58000 x x x
010.* 10 125/250 0.0059 290.66500 x x x
The 232 Series Fuse is a 5x20mm, medium-acting, glass
body cartridge fuse. It is specifically designed to meet
the requirements of Appendix 3 of DENAN Technical
Requirements & Enforcement Regulations (METI).
Used as supplementary protection in appliance or
utilization equipment to provide individual protection for
components or internal circuits.
PS
E
Description
To order 125Vac rated, please add part no. suffix
* Interrupting Rating for 8A & 10A is 100A@250Vac
Application testing is strongly recommended.
Additional Information
Datasheet Samples
Resources Accessories
For recommended fuse accessories for this product series,
see ‘Recommended Accessories’ section.
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© 2019 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: 08/21/19
Axial Lead & Cartridge Fuses
5×20 mm > Medium-Acting > 232 Series
Average Time Current CurvesTemperature Re-rating Curve
0.001
0.01
0.1
11010
01
000
1
10
10 0
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: (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:
Note:
Rerating depicted in this curve is in addition to the standard derating of 25% for
continuous operation.
Packaging
Packaging Option Packaging Specification Quantity Quantity & Packaging Code Taping Width
232 Series
Bulk N/A 1000 MX N/A
Bulk N/A 1000 MXE N/A
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© 2019 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: 08/21/19
Axial Lead & Cartridge Fuses
5×20 mm > Medium-Acting > 232 Series
Materials
Body: Glass
Cap: Nickel–plated brass
Leads: Tin–plated Copper
Terminal Strength MIL-STD-202, Method 211.
Test Condition A
Solderability MIL-STD-202 Method 208
Product Marking
Cap 1: Brand log, current and voltage ratings, and
agency approval
Cap 2: Blank
Packaging Available in Bulk (M=1000 pcs/pkg) or on Tape/
Reel (MRET1=1000 pcs/reel)
Product Characteristics
Operating
Temperature –60ºC to +125ºC
Thermal Shock MIL-STD-202, Method 107, Test Condition B: (5
cycles –65OC + 125OC)
Vibration MIL-STD-202, Method 201
Humidity
MIL-STD-202, Method 103, Test Condition A high
RH (95%) and elevated temperature (40O C) for 240
hours.
Salt Spray MIL-STD-202, Method 101, Test Condition B
0232 000P
0232 000 XEP
20+0.5
5.1+0.6
5.2+0.1
-0.2
5.1+0.6
0.65±0.05*
40±1.0 21.5±1.0
5.5±0.3
All dimensions in mm
Notes:
* Ratings above 6.3A have 0.8±0.05 diameter lead.
Dimensions Part Numbering System
0232 MX125 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
Recommended Accessories
Accessory
Type Series Description
Max
Application
Voltage
Max
Application
Amperage
Holder
345_ISF Panel Mount Shock-Safe Fuseholder
250
10
345 Shock-Safe Fuseholder with PC Mount, Solder Mount and Panel Mount options 20
830 PC Mount Shock-Safe Miniature Fuseholder 16
Block
520 Metric OMNI-BLOK® Fuse Block 10
646 PC Mount Miniature Fuse Block 6.3
658 Surface Mount Miniature Fuse Block 10
Clip
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.

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