Datasheet

3
Fuses
UMF 250
https://www.schurter.com /PG01_2
Circuit Protection
Derating Curves
Percentage of Rating [%]
140
130
120
110
100
90
80
70
60
50
40
-60 -40 -20 0 20 40 60 80 100 120 140 160
23
Ambient Temperature [°C]
Pre-Arcing Time
Rated Current In 1.0 x In min. 1.25 x In min. 2.0 x In max. 10.0 x In min. 10.0 x In max.
0.5 A - 8 A - 60 min 120 s 1 ms 10 ms
10 A - 15 A 4 h - 120 s 1 ms 10 ms
Time-Current-Curves
Time in Seconds
1
10
0.1
0.0001
0.001
0.01
100
1000
10000
0.1 101100
1000
500 mA
630 mA
800 mA
1 A
1.25 A
1.6 A
2 A
2.5 A
3.15 A
4 A
5 A
6.3 A
8 A
10 A
15 A
Current in Amperes
All Variants
Rated Current
[A]
Rated Voltage
[VAC]
Rated Voltage
[VDC]
Breaking
Capacity
Voltage Drop 1.0
I
n
max. [mV]
Voltage Drop 1.0
I
n
typ. [mV]
Power Dissipa-
tion 1.25 I
n
max
[mW]
Melting I²t 10.0
I
n
typ. [A²s]
Order Number
0.5 250 125 1) 600 430 500 0.042
l l l
3405.0163.11
0.5 250 125 1) 600 430 500 0.042
l l l
3405.0163.24
0.63 250 125 1) 500 350 500 0.092
l l l
3405.0164.11
0.63 250 125 1) 500 350 500 0.092
l l l
3405.0164.24
0.8 250 125 1) 400 300 500 0.21
l l l
3405.0165.11
0.8 250 125 1) 400 300 500 0.21
l l l
3405.0165.24
1 250 125 1) 300 250 500 0.4
l l l
3405.0166.11