Surface Mount Fuses
FLAT-PAK® Slo-Blo® Fuse > 203 Series
203 Series Fuse
Description
Fast-Acting (202 Series) and Slo-Blo(R) (Series 203) Fuse
versions of the Flat-Pak® Fuse designs are available. Both
designs are available in either a gull-wing surface mount
package or a DIP configuration for through-hole mounting.
These fuse designs feature a 250 VAC rating in a low
profile, rectangular package.
Agency Approvals
Additional Information
Agency
Agency File Number
Ampere Range
0.250A - 5A
E10480
29862
Datasheet
Resources
Samples
0.250A - 5A
Electrical Characteristics for Series
% of Ampere Rating
OpeningTime
4 hours, Minimum
1 second, Min; 30 seconds Max.
100%
200%
Electrical Specifications by Item
Max
Voltage Rating
(V)
Agency Approvals
Ampere Rating
(A)
Interrupting
Rating
Nominal Cold
Resistance (Ohms)
Nominal Melting
Amp Code
I2t (A2sec)
0.25
0.50
0.75
1.00
1.50
2.00
2.50
3.00
4.00
5.00
.250
.500
.750
001.
01.5
250
250
250
250
250
250
250
250
250
250
1.320
0.433
0.0126
0.112
0.462
0.328
0.850
1.70
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
0.158
0.0755
0.0399
0.0337
0.0243
0.0197
0.0148
0.0120
50A@250VAC
002.
02.5
003.
004.
005.
2.87
4.40
11.66
14.7
© 2019 Littelfuse, Inc.
Specifications are subject to change without notice. ASpppelcicifiactiaotniotnestainreg sisusbtjreocntgtolycrheacnogmemweinthdoeudt. notice.
Revised: 07/30/19