Axial Lead and Cartridge Fuses Datasheet
477 Series
5×20 mm, Time-Lag Fuse
Electrical Characteristic
MaxVoltage
Rating (V)
Nominal Cold
Resistance
(Milli-ohms)
Nominal
Melting
Agency Approvals
Amp
Code
Amp
Rating
Interrupting Rating
PS
E
I2t (A2 sec.)†
AC
DC
.500
.800
001.
002.
3.15
004.
005.
06.3
008.
010.
012.
0.5
0.8
1
2
3.15
4
5
6.3
8
10
12
500
500
500
500
500
500
500
500
500
500
500
400
400
400
400
400
400
400
400
400
400
400
1055.900
430.000
139.400
55.200
27.700
17.200
13.700
10.970
8.305
0.300
0.909
1.800
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
-
-
x*
x*
x*
x*
x*
x*
x*
x
x**
x**
x**
x**
x**
x**
x**
x**
x**
-
-
-
-
-
-
-
-
-
-
-
-
x
-
x
-
-
-
-
-
-
100A@500VAC
1500A@400VDC
x
x
x
x
x
x
x
x
x
9.120
50.109
52.480
76.500
121.451
203.520
509.000
576.000
100A@500VAC
500A@400VDC
x
x
x
4.950
4.730
x
x
-
100A@500VAC
400A@400VDC
016.
16
500
400
3.100
1331.200
x
x
x
x
-
x***
-
Notes:
*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.
Temperature Re-rating Curve
AverageTime Current Curves
© 2023 Littelfuse, Inc.
Specifications are subject to change without notice.
2
Revised: GD. 07/04/23