0437004.WR Littelfuse Inc, 0437004.WR Datasheet - Page 3

• Manufacturer Part Number: 0437004.WR
• Description: FUSE 32V 4A FAST SMD 1206
• Manufacturer: Littelfuse Inc
• Series: 437r

Specifications of 0437004.WR

• Fuse Type: Fast Acting
• Voltage - Rated: 32VAC, 35VDC
• Current: 4A
• Package / Case: 1206 (3216 Metric)
• Size / Dimension: 0.126" L x 0.063" W x 0.032" H (3.20mm x 1.60mm x 0.82mm)
• Mounting Type: Surface Mount
• Operating Temperature: -55°C ~ 150°C
• Dc Cold Resistance: 0.022 Ohm
• Melting I²t: 1.024
• Voltage Rating Vac: 32V
• Voltage Rating Vdc: 32V
• Fuse Current: 4A
• Breaking Capacity: 50A @ 32VAC/VDC
• Blow Characteristic: Fast Acting
• Fuse Case Style: 1206
• External Width: 3.118mm
• External Depth: 1.67mm
• Rohs Compliant: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Color: -
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant, Lead free / RoHS Compliant
• Other names: 437004; F2889TR

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