Axial Lead & Cartridge Fuses
3AG > Slo-Blo® Fuse > 313/315 Series
313/315 Series Lead-Free 3AG, Slo-Blo® Fuse
RoHS Pb
PS
E
Description
The 3AG Slo-Blo® fuse solves a broad range of application
requirements while offering reliable performance and costeffective circuit protection.
The fuse catalog number with the suffix “ID” instantly
identifies itself upon opening by showing a discoloration
of its glass body. Guesswork and time consuming circuit
testing are eliminated. This unique design offers the same
quality performance characteristics as the standard 3AG
Slo-Blo® Fuse design.
Features
Agency Approvals
Agency
PS
E
Agency File Number
Ampere Range
E10480
0.010A - 10A**
29862
0.010A - 10A**/15A**
E10480
10A - 30A
313 Series (Cartridge):
NBK060618-E10480A
NBK060618-E10480C
315 Series (Leaded):
NBK060618-E10480B
NBK060618-E10480D
SU05001-6004
SU05001-5007
SU05001-5008
SU05001-5009
1-5A
6.25- 10A**
N/A
• Conforms to UL/CSA/
NMX 248-1 and UL/CSA/
NMX 248-14
• RoHS compliant and
Lead-free
• Conforms to DENAN’s
Appendix 3
• Available in cartridge
and axial lead format
and with various forming
dimensions
1-5A
6.25-10A**
Applications
2.25-2.5A
2.8A - 3.2A
4A - 6.3A
7A-8A
Used as supplementary protection in appliance or
utilization equipment to provide individual protection for
components or internal circuits.
0.010A - 10A**
** See note under Electrical Characteristics by item
Electrical Characteristics by Series
Additional Information
Datasheet
313 Series
Resources
313 Series
Samples
313 Series
% of Ampere Rating
Ampere Rating
Opening Time
100%
10mA – 30A
4 hours, Minimum
135%
10mA – 30A
1 hour, Maximum
10mA – 15A
5 sec., Min.,30 sec., Max
20A – 30A
5 sec., Min.,60 sec Max
200%
Accessories
313 & 315 Series
Datasheet
315 Series
Resources
315 Series
Samples
315 Series
For recommended fuse accessories for this product series, see ‘Recommended Accessories’
section.
© 2020 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: GD. 11/05/20
Axial Lead & Cartridge Fuses
3AG > Slo-Blo® Fuse > 313/315 Series
Electrical Characteristic Specifications by Item
Amp
Code
Ampere
Rating
(A)
Voltage
Rating
(V)
.010
.031
.040
.062
.100
.125
.150
.175
.187
.200
.250
.300
.375
.400
.500*
.600
.700
.750
.800
001.*
01.2
1.25
01.5*
01.6
01.8
002.*
2.25
02.5
02.8
003.*
03.2
004.*
005.*
6.25*
06.3
007.*
008.*
010.**
010.*
012.
015.
020.
025.
030.
0.01
0.031
0.04
0.062
0.1
0.125
0.15
0.175
0.187
0.2
0.25
0.3
0.375
0.4
0.5
0.6
0.7
0.75
0.8
1
1.2
1.25
1.5
1.6
1.8
2
2.25
2.5
2.8
3
3.2
4
5
6.25
6.3
7
8
10
10
12
15
20
25
30
250
250
250
250
250
250
250
250
250
250
250
250
250
250
250
250
250
250
250
250
250
250
250
250
250
250
250
250
250
250
250
250
250
250
250
250
250
250
32
32
32
32
32
32
Interrupting
Rating
35A@250Vac
10KA@125Vac
100A@250Vac
10KA@125Vac
200A@250Vac
10KA@125Vac
300A@32Vac
Agency Approvals
Nominal Cold Nominal
Resistance
Melting
(Ohms)
I2t (A2 sec)
4300.0000
430.0000
300.0000
120.0000
43.0000
30.0000
20.0000
8.6700
8.0100
6.5900
4.2700
3.1350
2.0950
1.8750
1.2600
0.9120
0.7000
0.6215
0.5540
0.3750
0.2780
0.2600
0.1910
0.1710
0.1410
0.1169
0.0968
0.0811
0.0675
0.0593
0.0529
0.0311
0.0214
0.0154
0.0154
0.0128
0.0111
0.0083
0.0083
0.0065
0.0050
0.0022
0.0017
0.0012
0.000121
0.00303
0.00630
0.0210
0.0850
0.152
0.270
0.177
0.230
0.270
0.385
0.730
1.23
1.35
2.55
4.00
5.90
7.16
8.00
14.0
21.5
24.0
38.0
49.6
92.0
77.0
121
199
269
200
209
76.1
276
388
388
547
701
1285
1285
1200
2650
9560
16500
26900
PS
E
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* For 313series, these ratings available with an indicating option. Add the “ID” designation to the series number. i.e. 313.500ID.
** The 10A is designed for special voltage requirement. Available as 250Vac rated and the part number is 0313010.MX250P
© 2020 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: GD. 11/05/20
Axial Lead & Cartridge Fuses
3AG > Slo-Blo® Fuse > 313/315 Series
Average Time Current Curves
1/16A
1/10A
15/100A
.175A
1/4A
3/8A
1/2A
3/4A
1A
1 1/2A
2A
3A
4A
5A
7A
8A
10A
12A
15A
20A
25A
30A
Temperature Re-rating Curve
1000
A
B
100
TIME IN SECONDS
B
A
10
1
A - For 313/315 Series, from 10mA to 150mA
B - For all other ampere ratings of 313/315 series
Note:
Rerating depicted in this curve is in addition to the standard derating of 25% for continuous operation.
0.1
0.01
0.05 0.1
1
10
CURRENT IN AMPERES
100
1000
Soldering Parameters - Wave Soldering
Recommended Process Parameters:
300
Wave Parameter
280
Lead-Free Recommendation
Preheat:
240
(Depends on Flux Activation Temperature) (Typical Industry Recommendation)
220
200
180
160
140
120
100
80
Temperature Minimum:
100°C
Temperature Maximum:
150°C
Preheat Time:
60-180 seconds
Solder Pot Temperature:
260°C Maximum
Solder Dwell Time:
2-5 seconds
Recommended Hand-Solder Parameters:
60
Solder Iron Temperature: 350°C +/- 5°C
Heating Time: 5 seconds max.
40
20
Note: These devices are not recommended for IR or Convection Reflow process.
240
230
220
210
200
190
180
170
160
150
140
130
120
110
90
100
80
70
60
50
40
30
20
10
0
0
Temperature (°C) - Measured on bottom side of board
260
Time (Seconds)
Cooling Time
Preheat Time
Dwell Time
Packaging
Packaging Option
Packaging Specification
Quantity
Quantity &
Packaging Code
Taping Width
313 Series
Bulk
N/A
1000
MX
N/A
Bulk
N/A
100
HX
N/A
315 Series
Bulk
N/A
1000
MX
N/A
Bulk
N/A
100
HX
N/A
Bulk
N/A
1000
MXB
N/A
© 2020 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: GD. 11/05/20
Axial Lead & Cartridge Fuses
3AG > Slo-Blo® Fuse > 313/315 Series
Product Characteristics
Body: Glass
Cap: Nickel–plated brass
Leads: Tin–plated Copper
MIL-STD-202, Method 211, Test Condition A
Materials
Terminal Strength
Operating Temperature
Thermal Shock
MIL-STD-202 method 208
Cap1: Brand logo, current and voltage ratings
Cap2: Series and agency approval marks
Solderability
Product Marking
Vibration
Humidity
Salt Spray
–60ºC to +125ºC*
MIL-STD-202, Method 107, Test Condition B: (5
cycles -65°C to +125°C)
MIL-STD-202, Method 201
MIL-STD-202, Method 103, Test Condition A:
High RH (95%) and Elevated temperature (40°C)
for 240 hours
MIL- STD-202, Method 101, Test Condition B
* See Temperature Re-rating Curve
Dimensions
Part Numbering System
313 000P Series
(cartridge)
315 000P Series
(axial leaded)
6.35±0.3
(.25")
0313 xxxx M X P
Series
6.985±0.3
(.275")
31.75±1.12
(1.25")
313=Cartridge
315=Axial Leaded
Amp Code
Refer to Amp Code column of
Electrical Characteristics Table
32.72±1.12
(1.288")
Axial Lead Diameter:
0.81±0.05 (.032") for
(0.01A - 15A)
1.02±0.06 (.040") for
(20A - 30A)
Quantity Code
Axial Lead Length:
38.1±3.15 (1.50") TYP.
Axial Lead Material:
Tin-coated copper
Measurements displayed in millimeters (inches)
M = 1000
Packaging Code
X = Filler
Lead-free
Recommended Accessories
Accessory
Type
Holder
Block
Clip
Series
Description
Max Application Max Application
Voltage
Amperage
32
20
155100
Twist-Lock In-Line Fuseholder
342
Traditional Panel Mount Fuseholder
250
20
346
Panel Mount Flip-Top Shock-Safe Fuseholder
250
15
345
Shock-Safe Fuseholder with PC Mount, Solder Mount and Panel Mount options
250
354
Low Profile OMNI-BLOK® Fuse Block
359
High Current Screw Terminal Fuse Block
122
High Current Traditional PC Board Fuse Clip
1000
30
101
Rivet/Eyelet Type Fuse Clip
1000
15
600
16
30
30
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.
Disclaimer Notice - Information furnished is believed to be accurate and reliable. However, users should independently evaluate the suitability of and test each product selected for their own applications. Littelfuse products are
not designed for, and may not be used in, all applications. Read complete Disclaimer Notice at https://www.littelfuse.com/legal/disclaimers/product-disclaimer.aspx.
© 2020 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: GD. 11/05/20
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