Datasheet - Littelfuse

Axial Lead & Cartridge Fuses
5×20 mm > Medium-Acting > 233 Series
233 Series, 5×20 mm, Medium-Acting Fuse
RoHS
PS
E
Pb
Description
5×20mm medium–acting glass body 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:
NBK190609-JP1021A
NBK030609-JP1021B
Leaded:
NBK190609-JP1021B
NBK030609-JP1021D
Ampere Range
1A – 5A
6A – 10A
1A – 5A
6A – 10A
N/A
1A – 10A
E10480
1A – 10A
SU05001 - 2010
1A – 6.5A
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%
1A – 6A
8A – 10A
29862
135%
200%
Ampere
Rating
Opening Time
1A – 3.5A
4 hours, Minimum
4A – 7A
1 hour, Minimum
8A – 10A
1 hour, Minimum
1A – 3.5A
15 sec., Min; 1500 sec., Max.
4A – 7A
15 sec., Min; 1500 sec., Max.
8A – 10A
3 sec., Min; 3600 sec., Max.
1A – 3.5A
.60 sec., Min; 3 sec., Max.
4A – 7A
.60 sec., Min; 3 sec., Max.
8A – 10A
0.4 sec., Min; 2.25 sec., Max.
Electrical Characteristic Specifications by Item
Amp Code
Amp
Rating
(A)
Voltage
Rating
(V)
001.
1.25
01.6
002.
02.5
003.
3.15
03.5
004.
005.
006.
06.3
007.
008.
010.
1
1.25
1.6
2
2.5
3
3.15
3.5
4
5
6
6.3
7
8
10
125
125
125
125
125
125
125
125
125
125
125
125
125
125
125
Interrupting
Rating
Nominal Cold
Resistance
(Ohms)
Nominal Melting
I2t
(A2 sec)
10,000A @ 125 VAC
0.1750
0.1263
0.0880
0.0684
0.0521
0.0431
0.0380
0.0322
0.0293
0.0217
0.0179
0.0166
0.0137
0.0084
0.0066
1.97500
3.39000
6.14000
9.97000
17.04500
26.24000
29.79500
36.27500
51.61000
89.97500
131.45500
151.90500
157.31000
169.43500
274.11500
© 2015 Littelfuse, Inc.
Specifications are subject to change without notice. Application testing is strongly recommended.
Revised: 07/29/15
Agency Approvals
PS
E
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Axial Lead & Cartridge Fuses
5×20 mm > Medium-Acting > 233 Series
Average Time Current Curves
1A
1.25A
1.6A
2A
2.5A
3A
3.15A
3.5A
4A
5A
6A
6.3A
7A
8A
10A
Temperature Re-rating Curve
10000
1000
TIME IN SECONDS
100
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
1000
CURRENT IN AMPERES
Soldering Parameters - Wave Soldering
Recommended Process Parameters:
280
Wave Parameter
260
240
220
Preheat:
200
(Depends on Flux Activation Temperature)
Lead-Free Recommendation
(Typical Industry Recommendation)
180
Temperature Minimum:
100°C
160
Temperature Maximum:
Preheat Time:
150°C
60-180 seconds
140
120
100
80
60
Solder Pot Temperature:
260°C Maximum
Solder Dwell Time:
2-5 seconds
40
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
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.
© 2015 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: 07/29/15
Axial Lead & Cartridge Fuses
5×20 mm > Medium-Acting > 233 Series
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 to
+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 temp (40ºC) for 240 hours
Salt Spray
Packaging
Available in Bulk (M=1000 pcs/pkg) or on
Tape/Reel (MRET1=1000 pcs/reel)
MIL-STD-202, Method 101, Test
Condition B
Dimensions
Part Numbering System
0233 xxxx M X P
0233 000P
20+0.5
Series
5.2+0.1
-0.2
5.1+0.6
Amp Code
Refer to Amp Code column of
Electrical Characteristics Table
5.1+0.6
Quantity Code
0233000XEP
40±1.0
M = 1000
5.5±0.3
21.5±1.0
Packaging Code
X = Filler
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
Packaging Specification
Quantity
Quantity &
Packaging Code
Taping Width
N/A
N/A
EIA 296-E
N/A
1000
1000
1000
1000
MX
MXE
MRET1
MXB
N/A
N/A
T1=53mm (2.087”)
N/A
233 Series
Bulk
Bulk
Reel and Tape
Bulk
Additional Information
Datasheet
© 2015 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: 07/29/15
Resources
Samples