
Introduction to Circuit Protection
Introduction to Circuit Protection
Transientology
52
2009 Littelfuse, Inc.
Specifications are subject to change without notice.
Surface Mount Fuses
448 Series
NANO2 > Very Fast-Acting > 448 Series
Please refer to www.littelfuse.com/series/448.html for current information.
Materials
Product Marking
Operating
Temperature
-55o
o
Moisture Sensitivity
Level
Solderability
Insulation
Resistance (after
Opening)
Thermal Shock
o
125o
Mechanical Shock
sawtooth wave 6ms duration, 3
Vibration
Moisture Resistance
Salt Spray
Resistance to Soldering
Heat
o
Product Characteristics
F
7 A
6.86
(.270")
3.15
(.124")
2.95
(.116")
1.96
(.077")
2.69
(.106")
2.69
(.106")
1.45
(.057")
6.10
(.240")
Recommended pad layout
Dimensions
Packaging
Part Numbering System
Packaging Option
Packaging Specification
Quantity
Quantity &
Packaging Code
12mm Tape and Reel
1000
MR
0448 001. M R
SERIES
AMP Code*
QUANTITY Code
PACKAGING Code
Refer to Electrical
Characteristics table
M = 1000 pcs
R =Tape and Reel
*Example:
1.5 amp product is 044801.5MR