477 Series Datasheet by Littelfuse Inc.

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© 2020 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: BA.09/16/20
5×20 mm > Time-Lag > 477 Series
Axial Lead & Cartridge Fuses
477 Series, 5×20 mm, Time-Lag Fuse RoHS
Pb
PS
E
Features
Applications
Agency Approvals
Agency Agency File Number Ampere Range
PS
E
Cartridge:
NBK040609-JP1021A
NBK040609-JP1021C
NBK100408-JP1021A
Leaded:
NBK040609-JP1021B
NBK040609-JP1021D
NBK100408-JP1021B
1A – 5A
6.3A – 12A
16A
1A – 5A
6.3A – 12A
16A
1620077 0.500A – 8A
E10480 0.500A - 16A
40025413 1A, 3.15A
J50248089 10A, 12A, 16A
N/A 0.500A – 16A
Electrical Characteristics for Series
% of Ampere
Rating Ampere Rating Opening Time
150%
.5 - .8 60 minutes, Minimum
1 - 3.15 60 minutes, Minimum
4 - 6.3 60 minutes, Minimum
8 - 16 30 minutes, Minimum
210%
.5 - .8 30 minutes, Maximum
1 - 3.15 30 minutes, Maximum
4 - 6.3 30 minutes, Maximum
8 - 16 30 minutes, Maximum
275%
.5 - .8 .25 sec., Min.; 80 sec. Max.
1 - 3.15 .75 sec., Min.; 80 sec. Max.
4 - 6.3 .75 sec., Min.; 80 sec. Max.
8 - 16 .75 sec., Min.; 80 sec. Max.
400%
.5 - .8 .05 sec., Min.; 5 sec. Max.
1 - 3.15 .095 sec., Min.; 5 sec. Max.
4 - 6.3 .15 sec., Min.; 5 sec. Max.
8 - 16 .15 sec., Min.; 5 sec. Max.
1000%
.5 - .8 .005 sec., Min.; .15 sec. Max.
1 - 3.15 .01 sec., Min.; .15 sec. Max.
4 - 6.3 .01 sec., Min.; .15 sec. Max.
8 - 16 .01 sec., Min.; .15 sec. Max.
High energy and power efficient applications.
400Vdc/500Vac rated, 5x20mm, time-lag, surge withstand
ceramic body cartridge fuse.
Designed to International
(IEC) Standard for use
globally.
Follow the IEC 60127-2,
Sheet 5 specification for
time-lag fuses
Available in cartridge and
axial lead form
RoHS compliant and
lead-free
Description
Additional Information
Datasheet Samples
Resources
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© 2020 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: BA.09/16/20
5×20 mm > Time-Lag > 477 Series
Axial Lead & Cartridge Fuses
Average Time Current CurvesTemperature Re-rating Curve
0.500A
0.800A
1A
2A
3.15A
4A
5A
6.3A
8A
10A
12A
16A
Amp
Code
Amp
Rating
Max Voltage
Rating (V) Interrupting Rating
Nominal Cold
Resistance
(Milli-ohms)
Nominal
Melting
I2t (A2 sec.)
Agency Approvals
PS
E
AC DC
.500 0.5 500 400
100A@500VAC
1500A@400VDC
1055.900 0.300 - x* x** - -
.800 0.8 500 400 430.000 0.909 - x* x** - -
0 01. 1 500 400 139.400 1.800 x x* x** - x
002. 2 500 400 55.200 9.120 x x* x** - -
3.15 3.15 500 400 27.700 50.109 x x* x** - x
004. 4 500 400
100A@500VAC
500A@400VDC
17.200 52.480 x x* x** - -
005. 5 500 400 13.700 76.500 x x* x** - -
06.3 6.3 500 400 10.970 121.451 x x x** - -
008. 8 500 400 8.305 203.520 x x x** - -
010. 10 500 400 4.950 509.000 x x - x -
012. 12 500 400 4.730 576.000 x x - x -
016. 16 500 400 100A@500VAC
400A@400VDC 3.100 1331.200 x x - x*** -
Electrical Characteristic
*100A @ 600Vac also available. Add suffix "MXE6P". Example: 0477004.MXE6P.
**Semko approval for 100A@500Vac and 200A@400Vdc.
***100A@ 500Vac and 300A@400Vdc for 16A
I2t test at 10x rated current.
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© 2020 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: BA.09/16/20
5×20 mm > Time-Lag > 477 Series
Axial Lead & Cartridge Fuses
Dimensions Part Numbering System
40±1.0
40±1.0
Notes:
* Ratings above 5A 1.0±0.05 diameter lead.
All dimensions in mm
21.5±1.0
21.5±1.0
0.65±0.05*
0.65±0.05*
5.5±0.3
5.6±0.4
0477000XP
0477.500XEP
to
0477.800XEP
0477001.XEP
to
0477016.XEP
0477 xxxx M X E P
Series
Amp Code
Quantity Code
Packing Code
Option Code
Lead-Free
Refer to Amp Code Column of
Electral Characteristics Table
M = 1000
X = Filler
E: Axial Lead
Others: Special Options
Please Call Littelfuse for detail.
Soldering Parameters - Wave Soldering
Dwell Time
0
20
40
60
80
100
120
140
160
180
200
220
240
260
280
300
0
10
20
30
40
50
60
70
80
90
100
110
120
130
140
150
160
170
180
190
200
210
220
230
240
Time (Seconds)
Temperature (°C) - Measured on bottom side of board
Cooling Time
Preheat Time
Wave Parameter Lead-Free Recommendation
Preheat:
(Depends on Flux Activation Temperature) (Typical Industry Recommendation)
Temperature Minimum: 100°C
Temperature Maximum: 150°C
Preheat Time: 60-180 seconds
Solder Pot Temperature: 260°C Maximum
Solder Dwell Time: 2-5 seconds
Recommended Hand-Solder Parameters:
Solder Iron Temperature: 350°C +/- 5°C
Heating Time: 5 seconds max.
Note: These devices are not recommended for IR or Convection Reflow process.
Recommended Process Parameters:
Materials
Body: Ceramic
Cap: Nickel–plated Brass
Leads: Tin–plated Copper
Terminal Strength MIL-STD-202, Method 211, Test Condition A
Solderability MIL-STD-202 Method 208
Product Marking Cap 1: Brand logo, current and voltage ratings
Cap 2: Series and agency approval markings
Packaging Available in Bulk (M=1000 pcs/pkg)
Product Characteristics
Operating Temperature –55ºC to +125ºC
Thermal Shock MIL-STD-202, Method 107, Test Condition B (5
cycles, –65ºC to +125ºC)
Vibration MIL-STD-202, Method 201
Humidity
MIL-STD-202, Method 103, Test Condition A
(High RH (95%) and elevated temp (40ºC) for
240 hours)
Salt Spray MIL-STD-202, Method 101, Test Condition B
Packaging
Packaging Option Packaging Specification Quantity Quantity &
Packaging Code Reel Size
477 Series
Bulk N/A 1000 MX N/A
Bulk N/A 1000 MXE N/A
Reel and Tape N/A 1000 MRET1 T1=53mm (2.087”)
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.

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