Datasheet

© 2019 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: 10/14/19
Surface Mount Fuses
NANO
2®
> 250V > Slo-Blo
®
Fuse > 443 Series
Materials
Body: Ceramic
Cap: Silver Plated Brass
Product Marking
Body: Brand Logo, Current Rating
Rated Voltage, and
T - Characteristic “T”
Insulation Resistance
(after Opening)
MIL-STD-202, Method 302,
Test Condition A (10,000 ohms, Minimum)
Solderability MIL-STD-202, Method 208
Resistance to Soldering
Heat
MIL-STD-202, Method 210,
Test Condition B (10 sec at 260
o
C)
Moisture Sensitivity
Level
Level 1 J-STD-020
PCB Recommendation
for Thermal
Management
Min. copper layer thickness = 100um
Min. copper trace width = 10mm
Alternate methods of thermal management
may be used. In such cases, under normal
operations, the maximum temperature of the
fuse body should not exceed 80
O
C in a 25
O
C
ambient environment.
Product Characteristics
5A
3.05
(.12")
3.05
(.12")
10.08
(.397")
3.25
(.128")
3.43
(.135")
12.6
(.496")
6.10
(.240")
Recommended Pad Layout
1.70 typ
(.067")
AC250V
T
Dimensions
Packaging
Part Numbering System
Packaging Option Packaging Specification Quantity
Quantity &
Packaging Code
24mm Tape and Reel EIA-RS 481-2 (IEC 286, part 3) 1500 DR
Operating Temperature –55
O
C to 125
O
C
Thermal Shock
MIL-STD-202, Method 107,
Test Condition B (5 cycles -65
o
C
to +125
o
C)
Vibration
MIL-STD-202, Method 201
(10-55 Hz)
Moisture Resistance
MIL-STD-202, Method 106,
High Humidity (90-98%RH), Heat (65
o
C)
Salt Spray
MIL-STD-202, Method 101,
Test Condition B
Mechanical Shock
MIL-STD-202, Method 213,
Test Condition I (100 G’s peak for
6 milliseconds)
0443 .500 D R
Series
AMP Code
Quantity Code
Packaging Code
Refer to Electrical charac-
teristics table
D = 1500 pcs
R = Tape and Reel
Example:
1.5 amp product is 0443 01.5 D R
(0.5 amp product shown above).
Disclaimer Notice - Littelfuse products are not designed for, and shall not be used for, any purpose (including, without limitation, automotive, military, aerospace, medical, life-saving, life-sustaining or nuclear facility applications,
devices intended for surgical implant into the body, or any other application in which the failure or lack of desired operation of the product may result in personal injury, death, or property damage) other than those expressly set forth
in applicable Littelfuse product documentation. Warranties granted by Littelfuse shall be deemed void for products used for any purpose not expressly set forth in applicable Littelfuse documentation. Littelfuse shall not be liable
for any claims or damages arising out of products used in applications not expressly intended by Littelfuse as set forth in applicable Littelfuse documentation. The sale and use of Littelfuse products is subject to Littelfuse Terms and
Conditions of Sale, unless otherwise agreed by Littelfuse. Information furnished is believed to be accurate and reliable. However, users should independently evaluate the suitability of and test each product selected for their own
applications. Littelfuse products are not designed for, and may not be used in, all applications. Read complete Disclaimer Notice at www.littelfuse.com/disclaimer-electronics.