Surface Mount Fuses
EBF Fuse Fast-Acting > 446/447 Series
446/447 Series EBF Fuse Fast-Acting
RoHS
Pb
Description
The 446 and 447 series are circuit-board mountable,
flat profile, fast-acting fuses designed for protection of
electronic ballasts and power inverter applications. The
446 series is designed with leads for surface mount
applications, and the 447 series is designed with leads for
through-hole applications.
These fuses are 100% lead-free and meet the
requirements of the RoHS directive.
Note:
Tan version available
Agency Approvals
Agency
Features
Agency File Number
Ampere Range
E71611
2–10 A
29862
2–10 A
• RoHS compliant and
100% lead-free
• Recognized to UL/CSA/
NMX 248-1
• Ideal for use in electronic
lighting ballast, power
supply and power
inverter applications
• Color code on housing
CC version for easy
amperage identification
and application
• Rated for use in 125,
250, 277, and 350 VAC
circuits
Electrical Characteristics for Series
% of Ampere Rating
Opening Time
100%
4 hours, Minimum
200%
0.15 sec. Min.; 5 sec. Max.
• Based on the proven
reliability of the
automotive MINI® Fuse;
available from 2 through
10 amperes
Additional Information
Datasheet
446 Series
Resources
446 Series
Samples
446 Series
Datasheet
447 Series
Resources
447 Series
Samples
447 Series
Electrical Specifications by Item
Ampere Rating
(A)
Amp Code
Max
Voltage Rating
(V)
Interrupting
Rating
Nominal Cold
Resistance (Ohms)
Nominal Melting
I2t (A2sec)
Agency Approvals
2.00
002.
350
0.0563
2.8
x
x
3.00
003.
350
0.0336
9.4
x
x
4.00
004.
350
0.0237
17
x
x
5.00
005.
350
0.0178
25
x
x
7.50
07.5
350
0.0110
68
x
x
10.0
010.
350
0.0073
93
x
x
100A @ 350VAC
50A @ 125VDC
450 @ 60VDC
© 2021 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: 06/11/21
Surface Mount Fuses
EBF Fuse Fast-Acting > 446/447 Series
Average Time Current Curves
2A
3A
4A
5A
7.5A
10A
Temperature Re-rating Curve
1000
TIME IN SECONDS
100
10
1
0.1
Note:
1. Re-rating depicted in this curve is in addition to the standard re-rating
of 25% for continuous operation.
0.01
0.1
1
Soldering Parameters
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
10
CURRENT IN AMPERES
100
1000
Part Numbering System for Tan color
Surface Mount Fuses:
Through Hole Fuses:
0446 002. ZRP
Series
Amp Code
Quantity Code
0447 002. YXP
Series
Amp Code
Quantity Code
YXP = 4000
ZRP = 800
Dimensions
Reference Dimensions
(Inches)
PATA
6 04 6
LF
02
350V
Packaging
Recommended
Pad Layout
1.44
(.057")
4.03
(.159")
3.81
(.150")
447 10.11
Mounting
(.398")
Holes
5.91
(.233")
8.81
(.347")
10.92
(.430")
1.52
(.060")
1.27
(.050") Dia
Packaging
Option
Packaging
Specification
24mm Tape
and Reel
446 Series
EIA RS-481-1
800
IEC 60286-3
447 Series
Bulk Pack
–
Quantity
4000
Quantity &
Packaging Code
ZRP
YXP
8.76
(.345")
1.50 (.059") MAX
5.59
(.220")
(.295")
7.49
3.2
(.126")
Part Numbering System for Color Code
3.2 (.126")
(.032")
0.81
0.81
(.032")
For 447 dimensions, please contact Littelfuse for specifications.
Product Characteristics
Cleaning
Body: Plastic Body – Terminations: Tin plated
Zinc, Ni barrier
No-cleaning process recommended
Operating Temperature
–60 OC to 125 OC
Materials
Surface Mount Fuses:
Change the suffix to ZCCRP
Through Hole Fuses:
Change the suffix to YCCP
Current Rating
(Amp)
Housing Color
2
Gray
3
Violet
4
Pink
5
Tan
7.5
Brown
10
Red
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.
© 2021 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: 06/11/21
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