FUSES
/ SICHERUNGEN
Non resettable fuses
ts
OMT 250
Surface
Mount Fuses
Type OMT 250
time-lag T
available in lead-free
NEW
version
directly solderable on
printed circuit boards
1000
100
10
1
1:1
Pre-arcing time in seconds t
s
0,1
0.01
50
75
100
Solder pads
0.001
1
2
3
4
5
6
8 10
n
Standards
UL 248-14
CSA C22.2 No. 248.14
Multiple of rated current I
n
Pre-arcing time/current
characteristic (at T
a
23 °C)
Rated
current I
n
Approvals, Patents
UL
CSA
2 · I
n
3 · I
n
8 · I
n
n · I
n
1,0 · I
n
*
Patents in U.S. (No. 4,851,806) and in further countries
min.
0,75 – 5 A
4h
min.
1s
max.
60 s
min.
100 ms
max.
3s
min.
5 ms
max.
50 ms
*
Non fusing current I
nf
Order No.
/
Breaking capacity
/
Rated current I
n
Rated voltage U
n
/
Nenn-
spannung U
n
Voltage drop
/
at
/ bei
I
n
typ.
mV
107
92
89
74
69
68
62
60
60
57
Sustained
power dissipation
/
at
/ bei
4 · I
n
typ.
mW
80
92
111
111
138
170
186
210
240
285
Pre-arcing
l
2
t
at8
· I
n
typ.
A
2
s
3 · 10
-1
7 · 10
-1
1,0
2,0
4,0
7,0
12,0
19,0
23,0
37,0
Approvals
3403.0129.XX 750 mA / 250 V
3403.0116.XX 1
A / 250 V
3403.0117.XX 1,25 A / 250 V
3403.0130.XX 1,5
A / 250 V
3403.0119.XX 2
A / 250 V
3403 0120.XX 2,5
A / 125 V
3403.0131.XX 3
A / 125 V
3403.0132.XX 3,5
A / 125 V
3403.0122.XX 4
A / 125 V
3403.0123.XX 5
A / 125 V
*3403.0022.XX
Packaging index
100 A / 250 V AC
p.f. /
cos 1
50 A/250 V AC
100 A / 125 V AC
p.f. /
cos 1
•
•
•
•
•
•
•
•
•
•
Additional technical data and packaging see page 60
CSA
•
•
•
•
•
•
•
•
•
•
UL
www.schurter.com
59
FUSES
/ SICHERUNGEN
Non resettable fuses
Technical data and
packaging
Types OMF 63
OMF 125
OMT 125
OMF 250
OMT 250
Additional technical data
Ambient temperature max. T
a
Permissible continuous operating
current at 23 °C
/
Zulässiger Dauerstrom bei 23 °C
– 40 °C
to
+ 85 °C
OMF 63
OMF 125
OMT 125
OMF 250
OMT 250
OMF 63, OMF 125, OMT 125, OMF 250, OMT 250
}
}
0,7
0,8
I
n
I
n
}
Shift of the rated current at ambient air temperatures
> 23 °C see diagramm on page 204
Resistance to vibration
/
Frequency 10 ÷ 2000 Hz, cross-over frequency 60 Hz
< 60 Hz constant Amplitude of 0,75 mm
> 60 Hz constant acceleration of 100 m/s
2
(10 g); OMF 250, OMT 250: 196 m/s
2
(20 g)
according to IEC 60068-2-6, Test Fc
Resistance to shock
Climatic category
Solderability (Reflow- and Wave soldering)
Soldering heat resistance
Fuse-link temperature rise
≤
75 K (UL/CSA)
/
Temperaturerhöhungen am
Si-Einsatz
≤
75 K (UL/CSA)
Storage temperature max.
Materials
Housing
Terminals
/
981 m/s
2
(100 g), 6 ms, IEC 60068-2-27 test Ea
GPF
according to
DIN 40040
235 °C / 2 sec. IEC 60068-2-58 /
test
Td
260 °C / 10 sec. IEC 60068-2-58 /
test
Td
trackwidth for:
Leiterbahnbreite für:
40 °C / 70%
r. H
Temperature resistant plastic, flammability class UL 94V-0
Brass, tin plated
I
n
≤
5 A:
I
n
6,3/7A
I
n
8/10A
≤
5 mm
≥
5 mm
≥
10 mm
Net weight pieces %
/
Nettogewicht % Stück
Packaging
Bag or tape
/ Beutel oder Gurt
OMF 63
and
OMT 125: 10 g
OMF 250 / OMT 250: 35 g
Type
/ Typ
OMF 63
3402.XXXX.11
3402.XXXX.22
3402.XXXX.24
Bag of 100 pieces
/ lose Beutel geschüttet à 100 Stück
Taped and reeled 750 pieces
/ Blistergurt à 750 Stück auf Rolle
Taped and reeled 2000 pieces
/ Blistergurt à 2000 Stück auf Rolle
Taped and reeled 3000 pieces
/ Blistergurt à 3000 Stück auf Rolle
Blistertape and reel
according to IEC 286-3
Types
/ Typen
OMF 125 / OMT 125
3404.XXXX.11
3404.XXXX.22
Types
OMF 250 / OMT 250
3403.XXXX.11
3403.XXXX.24
3404.XXXX.24
Types
/
Typen
E
Dimensions
in mm
A
B
8
8
8
8
8
16
16
16
24
24
OMF 63
OMF 125
OMT 125
OMF 250
OMT 250
C
D
E
(max.) (max.) (750) (2000) (3000)
18,4
22,4
180
330
18,4
22,4
180
330
18,4
22,4
180
330
26,4
30,4
330
26,4
30,4
330
60
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Microcontroller MCU
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