Axial Lead & Cartridge Fuses
5×20 mm > Medium-Acting > 234 Series
234 Series,
5 x 20 mm, Medium-Acting Fuse
PS
E
Description
5x20mm medium-acting glass/ceramic body cartridge fuse
designed to UL specification.
Features
ANCE 248 Standard
and axial lead format
lead-free
Agency Approvals
Agency
Agency File Number
Ampere Range
Ceramic body for
4-10A
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%
1A – 10A
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
PS
E
Cartridge Certificates:
NBK290502-E10480 C
NBK280602-E10480 E
NBK280602-E10480 G
Leaded Certificates:
NBK290502-E10480 H
NBK280602-E10480 F
NBK280602-E10480 H
Certificates:
SU05001 – 3001
SU05001 – 4001
SU05001 – 2016
Listed File:
E10480
Guide:
JDYX
File:
029862
Certificate Class:
LR1422-01
1A – 3.5A
4A & 5A
6A – 10A
1A – 3.5A
4A & 5A
6A – 10A
1A – 3.15A
3.5A
4A – 10A
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
3.39000
6.14000
9.97000
17
.04500
26.2400
29.79500
36.27500
10.37000
20.64500
33.01500
37
.68500
80.67500
129.02500
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
© 2009 Littelfuse, Inc.
Specifications are subject to change without notice.
Please refer to www.littelfuse.com/series/234.html for current information.
301
Revised: January 7, 2009
234 Series
234 Series
Introduction to & Cartridge Fuses
Axial Lead Circuit Protection
Transientology
5×20 mm > Medium-Acting > 234 Series
Temperature Rerating Curve
Average Time Current Curves
1.25A
1.6A
2A
2.5A
3A
3.15A
3.5A
4A
5A
6A
6.3A
8A
10A
10000
1000
100
TIME IN SECONDS
10
1
0.1
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)
1A
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
Time
(Seconds)
Preheat
Time
Dwell
Time
Cooling
Time
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.
234 Series
302
Revised: January 7, 2009
© 2009 Littelfuse, Inc.
Specifications are subject to change without notice.
Please refer to www.littelfuse.com/series/234.html for current information.
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-202G, Method 211A, Test
Condition A
Reference IEC 60127 Second Edition
2003-01 Annex A
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-202G, Method 107G, Test
Condition B: (5 cycles –65ºC to
+125ºC)
MIL
-STD-202F Method 201A
MIL
-STD-202G, Method 103B, Test
Condition A. high RH (95%) and
elevated temp (40ºC) for 240 hours
MIL
-STD-202G, Method 101D, 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
5.8 MAX
0234
000XEP
40
22.5 MAX
Refer to Amp Code column of
Electrical Characteristics
Table
Quantity Code
0.65*
All dimensions in mm
M = 1000
Packaging Code
X = Filler
Notes:
* Ratings above 6.3A
have 0.8 mm dia lead
Lead-free
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=52mm (2.062”)
© 2009 Littelfuse, Inc.
Specifications are subject to change without notice.
Please refer to www.littelfuse.com/series/234.html for current information.
303
Revised: January 7, 2009
234 Series
234 Series
Packaging
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