Axial Lead & Cartridge Fuses
5×20 mm > Medium-Acting > 234 Series
234 Series, 5×20 mm, Medium-Acting Fuse
Description
RoHS
Pb
PS
E
5×20mm medium-acting glass/ceramic body cartridge fuse
designed to UL specification.
Features
• Designed to UL/CSA/
ANCE 248-1 and 248-14
Standards
• Available in cartridge and
axial lead format
Applications
Agency Approvals
Agency
Agency File Number
Ampere Range
• Glass body for 1-3.5A,
Ceramic body for 4-10A
• RoHS compliant and
lead-free
Used as supplementary protection in appliance or
utilization equipment to provide individual protection for
components or internal circuits.
Additional Information
PS
E
Cartridge:
NBK040609-JP1021A
NBK040609-JP1021C
Leaded:
NBK040609-JP1021B
NBK040609-JP1021D
N/A
SU05001-3001
SU05001-4001
SU05001-2016
E10480
29862
1A - 5A
6A - 10A
1A - 5A
6A - 10A
1A - 10A
1A - 3.15A
3.5A
4A - 10A
1A - 10A
1A - 10A
Datasheet
Resources
Samples
Accessories
For recommended fuse accessories for this product series,
see ‘Recommended
Accessories’
section.
Electrical Characteristics for Series
% of Ampere
Rating
100%
135%
200%
Ampere
Rating
1 – 3.5
4 – 10
1 – 3.5
4 – 10
1 – 3.5
4 – 10
Opening Time
4 hours, Minimum
1 hour, Minimum
3 sec., Min; 1 hr. Max
3 sec., Min; 1 hr. Max
400ms., Min; 2.25 sec. Max
400ms., Min; 4 sec. Max
Electrical Characteristic Specification by Item
Ampere
Rating
(A)
1
1.25
1.6
2
2.5
3
3.15
3.5
4
5
6
6.3
8
10
Voltage
Rating
(V)
250
250
250
250
250
250
250
250
250
250
250
250
250
250
Interrupting
Rating
Nominal Cold
Resistance
(Ohms)
0.1750
0.1262
0.0884
0.0684
0.0521
0.0431
0.0380
0.0322
0.0304
0.0214
0.0194
0.0168
0.0144
0.0107
Nominal Melting
I
2
t (A
2
sec)
1.97500
2.06000
6.14000
9.97000
17
.04500
26.2400
29.79500
36.27500
10.37000
20.64500
33.01500
37
.68500
80.67500
51.40000
x
x
x
x
x
x
x
x
x
x
x
x
x
x
Agency Approvals
PS
E
Amp Code
001.
1.25
01.6
002.
02.5
003.
3.15
03.5
004.
005.
006.
06.3
008.
010.
100A @ 250 VAC
10000A @ 125 VAC
200A @ 250 VAC
10000A @ 125 VAC
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
© 2016 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: 06/06/16
Application testing is strongly recommended.
Axial Lead & Cartridge Fuses
5×20 mm > Medium-Acting > 234 Series
Temperature Re-rating Curve
Average Time Current Curves
1.25A
1.6A
2A
2.5A
3A
3.15A
3.5A
4A
5A
6A
6.3A
8A
10A
1A
10000
1000
100
TIME IN SECONDS
10
1
0.1
Note:
Rerating depicted in this curve is in addition to the standard derating of 25% for
continuous operation.
0.01
0.001
1
10
100
CURRENT IN AMPERES
1000
Soldering Parameters - Wave Soldering
300
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
Recommended Process Parameters:
Wave Parameter
Preheat:
(Depends on Flux Activation Temperature)
(Typical Industry Recommendation)
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:
Preheat Time
Dwell Time
Cooling Time
Time (Seconds)
Solder Iron Temperature: 350°C +/- 5°C
Heating Time: 5 seconds max.
Note: These devices are not recommended for IR or
Convection Reflow process.
© 2016 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: 06/06/16
Axial Lead & Cartridge Fuses
5×20 mm > Medium-Acting > 234 Series
Product Characteristics
Body: Glass(1A-3.5A), Ceramic(4A-10A)
Cap: Nickel–plated brass
Leads: Tin–plated Copper
Filter: Sand (4A – 10A)
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 (V=5, H=100, M=1000 pcs/
pkg) or on Tape/Reel (MRET1=1000 pcs/reel)
Operating
Temperature
Thermal Shock
Vibration
Humidity
Salt Spray
–55ºC to +125ºC
MIL
-STD-202, Method 107 Test Condition B:
,
(5 cycles –65ºC to +125ºC)
MIL
-STD-202 Method 201
MIL
-STD-202, Method 103, Test Condition A.
high RH (95%) and elevated temp (40ºC) for
240 hours
MIL
-STD-202, Method 101, Test Condition B
Materials
Terminal
Strength
Solderability
Product
Marking
Packaging
Dimensions
20+0.5
Part Numbering System
0234 xxxx M X P
5.2+0.1
-0.2
0234
000P
5.1+0.6
5.1+0.6
Series
Amp Code
5.5±0.3
0234
000XEP
40±1.0
21.5±1.0
Refer to Amp Code column of
Electrical Characteristics Table
Quantity Code
0.65±0.05*
All dimensions in mm
M = 1000
Packaging Code
X = Filler
Notes:
* Ratings above 6.3A have 0.8±0.05 diameter lead.
Lead-free
Packaging
Packaging Option
234 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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