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© 2017 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: 03/03/17
Surface Mount Fuses
EBF Fuse Fast-Acting > 446/447 Series
Materials
Body: Plastic Body – Terminations: Tin-Lead
(95/5) plated Zn, Ni barrier
Cleaning No-cleaning process recommended
Operating
Temperature
–40
O
C to 125
O
C
Product Characteristics
Dimensions
Packaging
Part Numbering System
PA
T
A
6
0
4
6
02
LF
350V
10.92
(.430")
8.76
(.345")
(.032")
0.81
(.295")
7.49
1.50 (.059") MAX
3.2 (.126")
0.81
(.032")
3.2
(.126")
5.59
(.220")
3.81
(.150")
1.52
(.060")
1.44
(.057")
5.91
(.233")
8.81
(.347")
4.03
(.159")
1.27
(.050") Dia
10.11
(.398")
Reference Dimensions
(Inches)
Recommended
Pad Layout
447 Mounting
Holes
Average Time Current Curves
1000
100
10
1
0.1
0.01
10001001010.1
2A 3A 4A 5A 7 1/2A 10A
TIME IN SECONDS
CURRENT IN AMPERES
Soldering Parameters
Temperature Re-rating Curve
Note:
1. Re-rating depicted in this curve is in addition to the standard re-rating of 25% for
continuous operation.
For 447 dimensions, please contact Littelfuse for specifications.
446 Series:
Reflow Solder — 235°C, 5 seconds maximum.
No-clean process recommended.
Wave Solder — Not recommended.
Non-plated terminal surfaces may not meet
MIL-STD-202, Method 208.
447 Series:
Contact Littelfuse for soldering parameters.
Inside terminal face of each lead is non-plated zinc.
Non-plated zinc terminal faces may not meet MIL-STD-202,
method 208. To ensure that the fuse is acceptable for the
application, appropriate application testing should be performed.
Packaging
Option
Packaging
Specification
Quantity
Quantity &
Packaging Code
446 Series
24mm Tape
and Reel
EIA RS-481-1
(IEC 286, part 3)
800 ZRP
447 Series
Bulk Pack – 4000 YXP
0446 002. ZRP
Series
Amp Code
Quantity Code
ZRP = 800
0447 002. YXP
Series
Amp Code
Quantity Code
YXP = 4000
Surface Mount Fuses: Through Hole Fuses:
Disclaimer Notice - 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.