Datasheet - Littelfuse

Axial Lead & Cartridge Fuses
3AB > Fast-Acting > 505 Series
505 Series, Lead-free 3AB, Fast-Acting Fuse
RoHS
Pb
Description
A 500VAC/VDC rated ceramic fuse with remarkable
interrupting rating in a compact 6.3 x 32mm package,
which is well suited for circuit protection in high energy
applications.
Features
• RoHS compliant and
Lead-free
• In accordance
with underwriter’s
Laboratories Standard
UL 248-14
Agency Approvals
Agency
• Available in cartridge and
axial lead form and with
various lead forming
dimensions.
Agency File Number
Ampere Range
E10480
10A - 30A
1312914
10A - 12A
Applications
N/A
10A - 30A
T5026910801
15 - 30A
• Uninterruptible Power
Supplies (UPS)
• Superior Interrupting
rating of 20,000
Amperes
• Compact form factor of
6.3mm x 32mm
• 3-Phase Power Supplies
Electrical Characteristic Specifications by Item
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
Amp Code
Interrupting
Rating
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[email protected]
[email protected]
Agency Approvals
Nominal Cold
Resistance
(Ohms)
Nominal
Melting
I2t (A2 sec)
0.0167
91
x
0.0167
91
x
0.0117
192
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
x
x
x
x
x
Notes:
1. [email protected]&[email protected] interrupting rating available for TUV certification of 15~30A
2. [email protected]&[email protected] interrupting rating available for 10A. Add suffix “500”. Example: 0505010.MX500P, and 0505010.MXE500P”
Electrical Characteristics for Series
% of Ampere
Rating
Ampere Rating
150%
200%
300%
Additional Information
Opening Time
30 minutes, Maximum
10 – 30
30 minutes, Maximum
Datasheet
Resources
Samples
10 sec., Maximum
© 2015 Littelfuse, Inc.
Application testing is strongly recommended. Specifications are subject to change without notice.
Revised: 07/27/15
Axial Lead & Cartridge Fuses
3AB > Fast-Acting > 505 Series
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
0.01
Note:
Rerating depicted in this curve is in addition to the standard derating of 25% for
continuous operation.
0.001
0.01
0.1
1
10
100
1000
CURRENT IN AMPERES
Soldering Parameters - Wave Soldering
Recommended Process Parameters:
Wave Parameter
280
Lead-Free Recommendation
Preheat:
260
240
(Depends on Flux Activation Temperature)
220
200
180
160
140
120
100
80
60
40
(Typical Industry Recommendation)
Temperature Minimum:
100° C
Temperature Maximum:
Preheat Time:
150°C
60-180 seconds
Solder Pot Temperature:
270°C
Solder Dwell Time:
10 seconds Maximum
Recommended Hand-Solder Parameters:
Time (Seconds)
Cooling Time
Preheat Time
Dwell Time
© 2015 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: 07/27/15
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
Solder Iron Temperature: 350°C +/- 5°C
Heating Time: 5 seconds max.
Note: These devices are not recommended for IR or
Convection Reflow process.
Axial Lead & Cartridge Fuses
3AB > Fast-Acting > 505 Series
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
Operating
Temperature:
–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
Dimensions
Measurements displayed in millimeters (inches)
505 000P Series
(cartridge)
0505 xxxx M X E P
505 000P Series
(axial leaded)
6.35±0.3
(.25")
Series
Amp Code
Refer to Amp Code column of
Electrical Characteristics Table
6.985±0.3
(.275")
31.75±1.12
(1.25")
Quantity Code
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)
M = 1000
Axial Lead Length:
38.1±3.15 (1.50") TYP.
52±1 (2.0") for long lead
Packaging Code
X = Filler
Option Codes
Axial Lead Material:
Tin-coated copper
E : Axial Leaded
52LE : 52mm length
Others : special options.
Please call
Littelfuse for detail.
Lead-Free
Packaging
Packaging Specification
Quantity
Quantity & Packaging
Code
Reel Size
Bulk
N/A
1000
MX
N/A
Bulk
N/A
1000
MXE
N/A
Bulk
N/A
1000
MX52LE
N/A
Packaging Option
505 Series
© 2015 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: 07/27/15