
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
250mA
300mA
350mA
400mA
500mA
600mA
700mA
800mA
1.00A
1.25A
1.60A
2.00A
2.50A
3.00A
3.50A
4.00A
5.00A
6.00A
7.00A
0250
0300
0350
0400
0500
0600
0700
0800
1100
1125
1160
1200
1250
1300
1350
1400
1500
1600
1700
250V
250V
250V
250V
250V
250V
250V
250V
250V
250V
250V
250V
250V
250V
250V
125V
125V
125V
125V
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
0.019
0.038
0.065
0.092
0.19
0.31
0.43
0.48
1.3
2.2
4.3
8.6
10
17
26
32
55
96
140
35A / 250VAC
10kA / 125VAC
50-60Hz
cos
= 0.7-0.8
100A / 250VAC
10kA / 125VAC
50-60Hz
cos
= 0.7-0.8
10kA / 125VAC
50-60Hz
cos
= 0.7-0.8
C
U
c
M
M
INIATURE
5x20mm / No. 197
This product is not recommended
for new designs. Please refer to
Littelfuse No. 233/234.
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 23oC (73.4oF).
Breaking
Voltage Drop Power Dissipation Melting Integral
Capacity
1.0 x I
1.0 x I
max. (mV)
Specifications
Packaging
000: Bulk (1000 pcs.)
002: Bulk (20x10 pcs.)
043: With mounted holder - Tape/Reel (1250 pcs.)
on request
Materials
Tube:
End Caps:
Optional Holders:
Glass
Nickel-plated brass
Nickel-plated caps
Tin-plated copper wires
-25oC to +70oC (consider de-rating)
Climatic Category
-25oC/+70oC/21 days (EN 60068-1..3)
Stock Conditions
+10oC to +60oC
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 - 60Hz at 0.75mm amplitude
60 - 2000Hz at 10g acceleration
Solderability
260oC,
≤
3 sec. (Wave)
350oC,
≤
1 sec. (Hand)
Soldering Heat Resistance
260oC, 10 sec. (IEC 60068-2-20)
Marking
, Current Rating, 250VAC, 197, Approvals
Unit Weight
1.0g (approx.)
1.9g (with leads)
Operating T
Order
Information
Qty.
Order-
Number
Series
Amp Code Packaging
UL 248-14, 250V
Time-Current Characteristic
Medium Time Lag (M)
Standard
UL 248-14
CSA C22.2 No. 248.14
Approvals
CSA certified
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
, M
1.35 x I
Rated
< 1h
2.0 x I
Rated
< 120s
250mA ... 7.00A
Voltage
Rating
Approvals
10 x I
typ. (A
2
s)
max. (W)
Specifications are subject
to change without notice
Optional Holders