
0 5 0 9 1 2
WebSite
www.wickmanngroup.com E-mail: sales@wickmann.com
Europe
Tel: +49 2302 662-107
Americas
Tel: +1 404 699-7820
E-mail: service@wickmannusa.com
Asia
Tel: +852 26 14-1108
E-mail: sales@wickmann.com.hk
China
Tel: +86 21 6432 5146
E-mail: sales@wickmann.cn
250 mA
300 mA
350 mA
400 mA
500 mA
600 mA
700 mA
800 mA
1.00 A
1.25 A
1.60 A
2.00 A
2.50 A
3.00 A
3.50 A
4.00 A
5.00 A
6.00 A
7.00 A
0250
0300
0350
0400
0500
0600
0700
0800
1100
1125
1160
1200
1250
1300
1350
1400
1500
1600
1700
250 V
250 V
250 V
250 V
250 V
250 V
250 V
250 V
250 V
250 V
250 V
250 V
250 V
250 V
250 V
125 V
125 V
125 V
125 V
350
300
300
280
250
230
210
200
180
170
150
130
120
115
110
105
100
95
90
0.3
0.3
0.4
0.4
0.4
0.5
0.5
0.6
0.6
0.7
0.8
0.9
1.0
1.1
1.3
1.3
1.4
1.4
1.4
0.024
0.047
0.081
0.11
0.24
0.38
0.54
0.6
1.7
2.8
5.4
11
13
21
32
40
69
120
180
U
c
M
P
35 A / 250 V AC
10 kA / 125 V AC
50-60 Hz
cos
= 0.7-0.8
100 A / 250 V AC
10 kA / 125 V AC
50-60 Hz
cos
= 0.7-0.8
10 kA / 125 V AC
50-60 Hz
cos
= 0.7-0.8
M
INIATURE
5x20 mm / No. 191
This product is not recommended
for new designs. Please refer to
Littelfuse No. 235.
F
USES
Dimensions (mm)
Limits for Pre-arcing Time
Rated Current
Permissible continuous operating current is
≤
Rated
Amp
Current
Code
75 % at ambient temperature of 23 oC (73.4 oF).
Breaking
Voltage Drop Power Dissipation Melting Integral
Capacity
1.0 x I
max. (mV)
Specifications
Packaging
000:
Bulk (1000 pcs.)
002:
Bulk (20x10 pcs.)
043:
With mounted holders - Tape/Reel (1250 pcs.)
on request
Materials
Tube:
End Caps:
Optional Holders:
Glass
Nickel-plated brass
Nickel-plated caps
Tin-plated copper wires
-25 oC to +70 oC (consider de-rating)
Climatic Category
-25 oC / +70 oC / 21 days
(IEC 60068-1,-2-1,-2-2,-2-78)
Stock Conditions
+10 oC to +60 oC
relative humidity
≤
75 % yearly average,
without dew, maximum value for 30 days-95 %
Vibration Resistance
24 cycles at 15 min. each (EN 60068-6)
10 - 60 Hz at 0.75 mm amplitude
60 - 2000 Hz at 10 g acceleration
Solderability
260 oC,
≤
3 s (Wave)
350 oC,
≤
1 s (Soldering iron)
Soldering Heat Resistance
260 oC, 10 s (IEC 60068-2-20)
Marking
, Current Rating, 250 V AC, 191, Approvals
Unit Weight
1.0 g (approx.)
1.9 g (with mounted holders)
Operating T
Order
Information
Qty.
Order-
Number 191
Series
Amp Code Packaging
UL 248-14, 250 V
Time-Current Characteristic
Quick Acting (F)
Standard
UL 248-14
CSA C22.2 No. 248.14
Approvals
UL Listed
cUL Listed
METI-PSE
Features
Visual fault indication
Direct solderable or plug-in versions
Internationally approved
Worldwide availability
WebLinks
Further info see:
www.wickmanngroup.com
Further application info see fuseology:
www.wickmanngroup.com/download/
fuseology.pdf
, F
1.35 x I
N
< 1 h
2.0 x I
N
< 120 s
2.0 x I
N
< 5 s
250 mA ... 7.00 A
Voltage
Rating
Approvals
1.0 x I
max. (W)
10 x I
max. (A
2
s)
Specifications are subject
to change without notice
Optional Holders