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© 2017 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: 03/03/17
Axial Lead & Cartridge Fuses
3AB > Fast-Acting > 505 Series
Packaging
Option
Packaging
Specification
Quantity
Quantity &
Packaging
Code
Reel
Size
505 Series
Bulk N/A 1000 MX N/A
Bulk N/A 1000 MXE N/A
Bulk N/A 1000 MX52LE N/A
Packaging
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
0505 xxxx MX E
Series
Quantity Code
M = 1000
Amp Code
Refer to Amp Code column of
Electrical Characteristics Table
Option Codes
E : Axial Leaded
52LE : 52mm length
Others : special options.
Please call
Littelfuse for detail.
Lead-Free
Packaging Code
X = Filler
P
Part Numbering System
505 000P Series
(cartridge)
505 000P Series
(axial leaded)
6.35±0.3
(.25")
32.72±1.12
(1.288")
31.75±1.12
(1.25")
6.985±0.3
(.275")
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
Dimensions
Measurements displayed in millimeters (inches)
Recommended Accessories
Accessory
Type
Series Description
Max
Application
Voltage
Max
Application
Amperage
Holder
150322 In-Line Fuseholder 500 15
Block
354 Low Profile OMNI-BLOK
®
Fuse Block
600
30
359 High Current Screw Terminal Fuse Block 30
Clip
122 High Current Traditional PC Board Fuse Clip 1000 30
101 Rivet/Eyelet Type Fuse Clip 1000 15
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.