Axial Lead & Cartridge Fuses
5×20 mm > Time Lag > 239 Series
239 Series,
5 x 20 mm, Slo-Blo
®
Fuse
PS
E
Description
Features
Agency Approvals
Agency
Agency File Number
Ampere Range
Applications
PS
E
80mA – 7A
© 2009 Littelfuse, Inc.
Specifications are subject to change without notice.
Please refer to www.littelfuse.com/series/239.html for current information.
305
Revised: September 9, 2010
239 Series
239 Series
Cartridge Certificates:
NBK290502-E10480 G
NBK280602-E10480 C
NBK290502-E10480 I
Leaded Certificates:
NBK290502-E10480 H
NBK280602-E10480 D
NBK290502-E10480 J
Certificates:
SU05001 – 2004A
SU05001 – 2014A
Listed File:
E10480
Guide:
JDYX
File:
029862
Certificates Class:
LR1422-01
1A – 3.5A
4A & 5A
7A
1A – 3.15A
4A & 5A
7A
200mA – 3.15A
4A – 7A
80mA – 7A
Electrical Characteristics for Series
% of Ampere
Rating
100%
135%
200%
Ampere
Ratings
Opening Time
200mA – 3.15A
4A – 7A
Introduction to & Cartridge Fuses
Axial Lead Circuit Protection
Transientology
5×20 mm > Time Lag > 239 Series
Electrical Characteristic Specification by Item
Voltage
Rating
(V)
250
250
250
250
250
250
250
250
250
250
250
250
250
250
250
250
250
250
250
250
250
250
125
125
125
Nominal Cold
Resistance
(Ohms)
28.1750
17
.3425
11.6000
8.1000
3.8725
3.0700
2.3000
1.4750
0.9090
0.6990
0.5375
0.4710
0.4155
0.2965
0.1980
0.1205
0.0943
0.0583
0.04877
0.0414
0.0385
0.0370
0.0312
0.0199
0.0114
Nominal
Melting
2
I t (A
2
sec)
0.02500
0.05500
0.08500
0.13000
0.16500
0.34000
0.61500
1.49000
1.98500
2.41500
4.12000
5.42500
7
.56500
11.29500
19.52500
30.43000
50.58500
79.70500
129.51000
128.05000
128.05000
128.05000
270.703
302.836
305.758
Agency Approvals
PS
E
Amp Code
.080
.100
.125
.150
.200
.250
.300
.400
.500
.600
.700
.750
.800
001.
1.25
01.6
002.
02.5
003.
3.15
03.2
03.5
004.
005.
007.
Amp Rating
(A)
0.08
0.1
0.125
0.15
0.2
0.25
0.3
0.4
0.5
0.6
0.7
0.75
0.8
1
1.25
1.6
2
2.5
3
3.15
3.2
3.5
4
5
7
Interrupting
Rating
35A @ 125 VAC
35A @ 125 VAC
10000A @ 125 VAC
10000A @ 125 VAC
100A @ 250 VAC
10000A @ 125 VAC
239 Series
306
© 2009 Littelfuse, Inc.
Specifications are subject to change without notice.
Please refer to www.littelfuse.com/series/239.html for current information.
Axial Lead & Cartridge Fuses
5×20 mm > Time Lag > 239 Series
Temperature Rerating Curve
Average Time Current Curves
0.200A
0.250A
0.300A
0.400A
0.500A
0.600A
0.700A
0.750A
0.800A
1A
1.25A
1.6A
2A
2.5A
3A
3.15A
4A
5A
7A
10000
1000
100
TIME IN SECONDS
10
1
0.1
0.01
0.001
0.01
1
10
CURRENT IN AMPERES
100
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:
100
°
C
150
°
C
Solder Pot Temperature:
Solder Dwell Time:
260
°
Lead-Free Recommendation
Time (Seconds)
Preheat Time
Dwell Time
Cooling Time
Recommended Hand-Solder Parameters:
Note: These devices are not recommended for IR or
Convection Reflow process.
© 2009 Littelfuse, Inc.
Specifications are subject to change without notice.
Please refer to www.littelfuse.com/series/239.html for current information.
307
239 Series
239 Series
Introduction to & Cartridge Fuses
Axial Lead Circuit Protection
Transientology
5×20 mm > Time Lag > 239 Series
Product Characteristics
Materials
Terminal Strength
Solderability
Operating Temperature
Thermal Shock
Vibration
Humidity
Product Marking
Salt Spray
Dimensions
20+0.5
Part Numbering System
0239 xxxx M X P
5.2+0.1
-0.2
0239
000P
5.1+0.6
5.1+0.6
Series
Amp Code
5.8 MAX
0239
000XEP
40
22.5 MAX
Refer to Amp Code column of
Electrical Characteristics Table
Quantity Code
M = 1000
0.65*
Packaging Code
All dimensions in mm
Notes:
* Ratings above 6.3A
have 0.8 mm dia lead
X = Filler
Lead-free
Packaging
Packaging Option
239 Series
1000
1000
1000
1000
100
100
Packaging Specification
Quantity
Quantity &
Packaging Code
Taping Width
EIA 296-E
HX
HXE
239 Series
308
© 2009 Littelfuse, Inc.
Specifications are subject to change without notice.
Please refer to www.littelfuse.com/series/239.html for current information.
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