Axial Lead & Cartridge Fuses Datasheet
505 Series
Lead-free 3AB, Fast-Acting Fuse
RoHS
Pb
Description
The 505 Series is a 500VAC/VDC rated ceramic fuse with a
20,000A interrupting rating in a compact 6.3 x 32mm package.
Suitable for circuit protection in high energy applications.
Features
■ Available in cartridge and axial
lead form and with various
lead forming dimensions.
Agency Approvals
Agency
■ Compact form factor of
6.3mm x 32mm
■ RoHS compliant and Leadfree
■ Recognized to UL/CSA/NMX
248-1 and UL/CSA/NMX
248-14
■ Interrupting rating of 20,000
Amperes
■ Conforms to EN 60127-1 and
EN 60127-7
Applications
Agency File Number
Ampere Range
E10480
10A - 30A
1620079
10A - 12A
T5026910801
15A - 30A
N/A
10A - 30A
■ Uninterruptible Power
Supplies (UPS)
■ Three-Phase Power Supplies
Additional Information
Electrical Characteristics for Series
% of Ampere
Rating
Ampere Rating
150%
200%
Resources
Opening Time
30 minutes, Maximum
10A - 30A
Accessories
Samples
For recommended fuse accessories for this product series, see ‘Recommended Accessories’ section.
30 minutes, Maximum
300%
10 seconds, Maximum
Electrical Characteristic Specifications by Item
Amp Code
Ampere
Rating
(A)
Voltage
Rating
(V)
010.
10
450
010.*
10
500
012.
12
450
015.
016.
020.
025.
030.
15
16
20
25
30
500
500
500
500
500
Interrupting
Rating
20kA@450VAC
1000A@250VDC
200A@500VAC
200A@500VDC
20kA@450VAC
1000A@250VDC
50kA@500VAC
20kA@500VDC
30kA@500VAC
20kA@500VDC
Agency Approvals
Nominal Cold
Nominal Melting
Resistance (Ohms)
I2t (A2 sec)
0.0167
91
x
x
-
x
0.0167
91
x
-
-
x
0.0117
192
x
x
-
x
0.0073
0.0073
0.0056
0.0048
0.0038
68
68
140
210
280
x
x
x
x
x
-
x
x
x
x
x
x
x
x
x
x
Notes:
1. 20kA @ 500VAC and 20kA @ 500VDC interrupting rating available for TUV certification of 15A - 30A
2. *200A @ 500VAC and 200A @ 500VDC interrupting rating available for 10A. Add suffix “500”. Example: 0505010.MX500P, and 0505010.MXE500P”
1
© 2021 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: GD. 02/10/21
Axial Lead & Cartridge Fuses Datasheet
505 Series
Lead-free 3AB, Fast-Acting Fuse
Average Time Current Curves
10A
12A
15A
16A
20A
25A
30A
Temperature Re-rating Curve
10000
1000
TIME IN SECONDS
100
10
1
0.1
Note:
Rerating depicted in this curve is in addition to the standard derating of 25% for continuous operation.
0.01
0.001
0.01
0.1
1
10
100
1000
CURRENT IN AMPERES
Soldering Parameters - Wave Soldering
Recommended Process Parameters:
300
Wave Parameter
260
Preheat:
240
(Depends on Flux Activation Temperature)
220
200
180
160
140
120
100
80
60
Lead-Free Recommendation
(Typical Industry Recommendation)
Temperature Minimum:
100° C
Temperature Maximum:
150°C
Preheat Time:
60-180 seconds
Solder Pot Temperature:
270°C
Solder Dwell Time:
10 seconds Maximum
40
20
Recommended Hand-Solder Parameters:
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
280
Solder Iron Temperature: 350°C +/- 5°C
Heating Time: 5 seconds max.
Time (Seconds)
Cooling Time
Preheat Time
Dwell Time
Note: These devices are not recommended for IR or Convection Reflow process.
2
© 2021 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: GD. 02/10/21
Axial Lead & Cartridge Fuses Datasheet
505 Series
Lead-free 3AB, Fast-Acting Fuse
Product Characteristics
Materials
Body : Ceramic
Cap : Nickel–plated brass
Leads : Tin-plated Copper
Terminal Strength
MIL-STD-202, Method 211,
Test Condition A
Solderability
MIL-STD-202, Method 208
Product Marking
Cap1 : Brand logo, current and voltage
ratings
Cap2 : Series and agency approval marks
Dimensions
–55ºC to 125ºC.
Thermal
Shock:
MIL-STD-202, Method 107, Test Condition B
(5 Cycles -65ºC to +125ºC).
Vibration
MIL-STD-202, Method 201
Humidity
MIL-STD-202, Method 103, Test Condition A:
High relative humidity (95%) and elevated temp
(40ºC) for 240 hours
Salt Spray
MIL-STD-202, Method 101, Test Condition B
Part Numbering System
Measurements displayed in millimeters (inches)
505 000P Series
(cartridge)
Operating
Temperature:
505 000P Series
(axial leaded)
6.35±0.3
(.25")
0505 xxxx M X E P
Series
6.985±0.3
(.275")
31.75±1.12
(1.25")
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
(10A - 16A)
1.02±0.06 (.040") for
(20A - 30A)
Axial Lead Length:
38.1±3.15 (1.50") TYP.
52±1 (2.0") for long lead
Axial Lead Material:
Tin-coated copper
Packaging
Packaging
Option
Packaging
Specification
Bulk
N/A
Quantity
Quantity &
Packaging
Code
Reel
Size
MX
N/A
M = 1000
Packaging Code
X = Filler
Option Codes
E : Axial Leaded
52LE : 52mm length
Others : special options.
Please call Littelfuse for detail.
Blank : Cartridge
505 Series
1000
Quantity Code
Lead-Free
Bulk
N/A
1000
MXE
N/A
Bulk
N/A
1000
MX52LE
N/A
Tube
N/A
1500
DXT
N/A
Recommended Accessories
Description
Max
Application
Voltage
150322
In-Line Fuseholder
500
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
Accessory
Type
Series
Holder
Block
Clip
600
Max
Application
Amperage
15
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: www.littelfuse.com/disclaimer-electronics.
© 2021 Littelfuse, Inc.
3
Specifications are subject to change without notice.
Revised: GD. 02/10/21
Mouser Electronics
Authorized Distributor
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0505016.MXP 0505010.MXP 0505025.MXEP 0505015.MXEP 0505030.MXP 050512.5MXEP 0505025.MXP
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