Fuse Datasheet
400M Series
0603 Low Resistance Fast Acting Fuse
RoHS Pb
Description
The 400M Series is an 0603 fast acting fuse that is best suited for
applications that require relatively low resistance. The part is 100%
Lead-free, RoHS compliant, and Halogen-free fuse. It is designed
to provide over-current protection to circuits that operate under
high operating temperatures of up to 150°C.
Features and Benefits
■ Operating temperature from -55˚C to 150˚C
■ 100% Lead-free, RoHS compliant, and Halogenfree
■ Suitable for both leaded and lead-free soldering
Applications
■ Burn-inTest
Additional Information
Electrical Characteristics
% of Ampere Rating
OpeningTime at 25ºC
100%
200%
4 Hours Minimum
Resources
Accessories
Samples
5 Seconds Maximum
Electrical Specifications by Item
Nominal
Melting I2t
(A2Sec.)2
NominalVoltage
Drop at Rated
Current (mV)
Nominal Power
Dissipation at Rated
Current (W)
Ampere
Rating (A)
Max.Voltage
Rating (V)
Interrupting
Rating
Nominal
Resistance (Ohms)1
Amp Code
0.5
1.5
0025
0026
5
5
0.325
0.095
0.00169
0.03
189
161
0.095
0.242
50A @ 5VDC
Notes:
1. Cold resistance measured at less than 10% of rated current at 23°C.
2. I2t values stated for 1msec opening time.
© 2021 Littelfuse, Inc.
Specifications are subject to change without notice.
6
Revised: GD. 11/04/21