Surface Mount Fuses
Ceramic Fuse > 437 Series
Product Characteristics
Body:
Advanced Ceramic
Terminations:
Ag / Ni / Sn (100% Lead-free)
Element Cover Coating:
Lead-free Glass
Moisture Resistance
Thermal Shock
Mechanical Shock
Vibration
Vibration,
High Frequency
Dissolution of
Metallization
Terminal Strength
MIL
-STD-202, Method 106G
MIL
-STD-202, Method 107G,
Condition B
MIL
-STD-202, Method 213B,
Condition A
MIL
-STD-202, Method 201A
MIL
-STD-202, Method 204D,
Condition D
IPC/EIC/JEDEC J-STD-002B,
Condition D
Materials
Moisture
IPC/JEDEC J-STD-020C, Level 1
Sensitivity Level
Solderability
Humidity Test
Resistance to
Solder Heat
IPC/EIC/JEDEC J-STD-002B, Condition B
MIL-STD-202, Method 103B, Conditions D
MIL-STD-202, Method 210F
, Condition B
Dimensions
1.000
[0.039]
3.200 ± 0.1778
[0.126 ± 0.007]
Part Marking System
Amp code
.250
.375
.500
.750
001.
1.25
01.5
1.75
0.8179 +0.046 / -0.076
[0.0332 +0.0018 / -0.003]
marking code
D
E
F
g
H
J
k
L
N
o
P
R
S
T
W
X
1.63 +0.10 / -0.2
[0.064 +0.004 / -0.008]
N
2
002.
02.5
003.
03.5
004.
005.
007
.
008.
0.520 ± 0.200
[0.020 ± 0.08]
1.000
[0.039]
1.500
[0.059]
Part Numbering System
0437 008. W R
1.800
[0.071]
SERIES
PACkINg CoDE
AMP CoDE
R = Reel Pack
3.500
[0.138]
quANTITy CoDE
W = 3000 pcs
Packaging
packaging Option
8mm Tape and Reel
© 2009 Littelfuse, Inc.
Specifications are subject to change without notice.
Please refer to www.littelfuse.com/series/437.html for current information.
packaging Specification
EIA-481, IEC 60286, Part 3
Quantity
3000
Quantity &
packaging code
WR
437 Series
19
437 Series
IEC 60127-4
LITTELFUSE [ LITTELFUSE ]
