Surface mount fuses, Ceramic fuse > 440 series – Littelfuse 440 Series User Manual
Page 3
© 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
001.
H
1.25
J
01.5
K
1.75
L
002.
N
02.5
O
003.
P
03.5
R
004.
S
005.
T
007.
W
008.
X