Littelfuse 233 Series User Manual
Axial lead & cartridge fuses
© 2013 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: 12/19/13
Axial Lead & Cartridge Fuses
5×20 mm > Medium-Acting > 233 Series
Agency Approvals
Features
Applications
Agency
Agency File Number
Ampere Range
PS
E
Cartridge Certificates:
NBK190609-JP1021A
NBK030609-JP1021B
Leaded Certificates:
NBK190609-JP1021B
NBK030609-JP1021D
1A – 5A
6A – 10A
1A – 5A
6A – 10A
Certificates:
SU05001 – 2010
1A – 6.5A
Listed File:
E10480
Guide:
JDYX
1A – 10A
Fle:
029862
Acc. Class:
LR1422-01
1A – 6A
8A – 10A
1A – 10A
Electrical Characteristics for Series
% of Ampere
Rating
Ampere
Rating
Opening Time
100%
1A – 3.5A
4 hours, Minimum
4A – 7A
1 hour, Minimum
8A – 10A
1 hour, Minimum
135%
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.
200%
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.
• Desinged to UL/CSA/
ANCE 248 Standard
• Available in cartridge and
axial lead format
• RoHS compliant and
lead-free
Amp Code
Amp
Rating
(A)
Voltage
Rating
(V)
Interrupting
Rating
Nominal Cold
Resistance
(Ohms)
Nominal melting
I
2
t
(A
2
sec)
Agency Approvals
PS
E
001.
1
125
10,000A @ 125 VAC
0.1750
1.97500
x
x
x
x
x
1.25
1.25
125
0.1263
3.39000
x
x
x
x
x
01.6
1.6
125
0.0880
6.14000
x
x
x
x
x
002.
2
125
0.0684
9.97000
x
x
x
x
x
02.5
2.5
125
0.0521
17.04500
x
x
x
x
x
003.
3
125
0.0431
26.24000
x
x
x
x
x
3.15
3.15
125
0.0380
29.79500
x
x
x
x
x
03.5
3.5
125
0.0322
36.27500
x
x
x
x
x
004.
4
125
0.0293
51.61000
x
x
x
x
x
005.
5
125
0.0217
89.97500
x
x
x
x
x
006.
6
125
0.0179
131.45500
x
x
x
x
x
06.3
6.3
125
0.0166
151.90500
x
x
x
x
x
007.
7
125
0.0137
157.31000
x
x
x
008.
8
125
0.0084
169.43500
x
x
x
x
010.
10
125
0.0066
274.11500
x
x
x
x
Electrical Characteristic Specifications by Item
5×20mm medium–acting glass body fuse designed to UL
specification.
Used as supplementary protection in appliance or
utilization equipment to provide individual protection for
components or internal circuits.
233 Series, 5×20 mm, Medium-Acting Fuse
PS
E
Description