Axial Lead & Cartridge Fuses
3AB > 504 Series Fuse
Product Characteristics
Body : Ceramic
Cap : Nickel–plated brass
Leads :Tin-plated Copper
Operating
Temperature:
–55ºC to 125ºC.
Materials
Thermal
Shock:
MIL-STD-202, Method 107, Test Condition B
MIL-STD-202, Method 201
MIL-STD-202, Method 211,
Test Condition A
Terminal Strength
Solderability
Vibration
Humidity
MIL-STD-202 Method 208
MIL-STD-202, Method 103, Test Condition A:
High relative humidity (95%) and elevated temp
(40ºC) for 240 hours
Cap1 : Brand logo, current and voltage
ratings
Cap2 : Series and agency approval marks
Product Marking
Salt Spray
MIL-STD-202, Method 101, Test Condition B
Part Numbering System
Dimensions
Measurements displayed in millimeters (inches)
0504XXX.M X E P
504 000P Series
504 000P Series
(axial leaded)
Series
(cartridge)
Amp Code
Refer to Amp Code column of
Electrical Characteristics Table
6.35±0.3
(.25")
6.985±0.3
(.275")
3±.75±±.±2
(±.25")
Quantity Code
32.72±±.±2
(±.288")
M = 1000
Axial Lead Diameter: Axial Lead Length:
Packaging Code
X = Filler
1.20 0.05 (.047ꢀ)
39.1 1 (1.54ꢀ)TYP.
52 1 (2.0ꢀ) for long lead
Option Codes
Axial Lead Material:
Tin-coated copper
Blank: Cartridge Type Fuse
E : Axial Leaded Fuse
52LE: 52mm length
Lead-Free
Packaging
Quantity & Packaging
Code
Packaging Option
504 Series
Packaging Specification
Quantity
Reel Size
Bulk
Bulk
Bulk
N/A
N/A
N/A
1000
1000
1000
MX
MXE
N/A
N/A
N/A
MX52LE
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.
© 2019 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: 01/15/19
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