Brochure

© 2017 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: 03/03/17
Axial Lead & Cartridge Fuses
5×20 mm > Audio & Medical > 285 Series
Average Time Current CurvesTemperature Re-rating Curve
Amp Code
Amp
Rating
(A)
Voltage
Rating
(V)
Interrupting
Rating
Nominal Cold
Resistance
(Ohms)
Nominal
Melting
I
2
t (A
2
Sec.)
Nominal
Voltage Drop
at Rated
Current (mV)
Nominal
Power
Dissipation
at Rated
Current (W)
Agency
Approvals
.125 0.125 250
1500A @
250VAC
13.1240 0.028 2600 1. 6
.315 0.315 250 0.9275 0.625 110 0 1. 6
.500 0.5 250 1.1215 0.3 850 1. 6
001 1 250 0.1455 1. 6 350 2.5 x
01. 6 1. 6 250 0.0706 7.168 200 2.5 x
002 2 250 0.0546 10.8 190 2.5 x
02.5 2.5 250 0.0384 25.625 180 2.5 x
3.15 3.15 250 0.0269 51.597 140 4 x
005 5 250 0.0141 70 100 4 x
06.3 6.3 250 0.0107 130.977 100 4 x
008 8 250 0.0089 224 10 0 4 x
010 10 250 0.0065 361 100 4 x
015 15 250 500A @ 250VAC 0.0031 1305 100 4 x
020 20 250 400A @ 250VAC 0.0024 3225.6 100 4 x
Electrical Characteristics Specification by Item
PS
E
Time (seconds)
285.125 28501.6 285002. 28502.5 2853.15 285005. 28506.3. 285010. 285008. 285015. 285020. 285.315 285.500 285001.
Amps
0.01 0.1 1 10 100 1000
10000
1000
100
10
1
0.1
0.01
0.001
-60˚C
140
120
100
80
60
40
20
-76˚F
-40˚C
-40˚F
-20˚C
-4˚F
0˚C
32˚F
20˚C
68˚F
40˚C
-104˚F
60˚C
140˚F
80˚C
176˚F
100˚C
212˚F
120˚C
248˚F
AMBIENT TEMPERATURE
PERCENT OF RATING
25˚C
Note:
Rerating depicted in this curve is in addition to the standard derating of 25% for
continuous operation.