
© 2013 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: 12/19/13
Surface Mount Fuses
Ceramic Fuse > 440 Series
Materials
Body: Advanced Ceramic
Terminations: Ag / Ni / Sn (100% Lead-free)
Element Cover Coating: Lead-free Glass
Moisture
Sensitivity Level
IPC/JEDEC J-STD-020C, Level 1
Solderability IPC/ECA/JEDEC J-STD-002B, Condition C
Humidity Test MIL-STD-202, Method 103B, Conditions D
Resistance to
Solder Heat
MIL-STD-202, Method 210F, Condition B
Product Characteristics
Moisture Resistance MIL-STD-202, Method 106G
Thermal Shock
MIL-STD-202, Method 107G,
Condition B
Mechanical Shock
MIL-STD-202, Method 213B,
Condition A
Vibration MIL-STD-202, Method 201A
Vibration,
High Frequency
MIL-STD-202, Method 204D,
Condition D
Dissolution of
Metallization
IPC/ECA/JEDEC J-STD-002C,
Condition D
Terminal Strength IEC 60127-4
Dimensions
3.200 ± .1778
[.126 ± .007]
1.000
[.039]
X
1.500
[.059]
1.800
[.071]
3.500
[.138]
1.000
[.039]
.8179 +.046/ -.076
[.0322 +.0018/ -.003]
0.520 ± .200
[.020 ± .008]
TERMINATION
1.63 + .10/ -.20
[.064 + .004/ -.008]
Packaging
Part Marking System
Packaging Option Packaging Specification Quantity
Quantity &
Packaging Code
8mm Tape and Reel EIA-481, IEC 60286, Part 3 3000 WR
Part Numbering System
0440 008. W R
SERIES
AMP CODE
QUANTITY CODE
W = 3000 pcs
PACKING CODE
R = Reel Pack
Amp Code Marking Code
.250 D
.375 E
.500 F
.750 G
0 01. H
1.25 J
01. 5 K
1.75 L
002. N
02.5 O
003. P
03.5 R
004. S
005. T
0 0 7. W
008. X
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