197 Datasheet, PDF (1/2 Pages) Littelfuse – MINIATURE FUSES - 5x20mm

MINIATURE FUSES
5x20mm / No. 197
This product is not recommended
for new designs. Please refer to
Littelfuse No. 233/234.
Dimensions (mm)
Optional Holders
Limits for Pre-arcing Time
Rated Current
250mA ... 7.00A
1.35 x I_Rated 2.0 x I_Rated
< 1h
< 120s
UL 248-14, 250V, M
Specifications
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
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
Operating Temperature
-25ºC to +70ºC (consider de-rating)
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
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)
Permissible continuous operating current is ≤ 75% at ambient temperature of 23ºC (73.4ºF).
Rated
Amp
Voltage Breaking Voltage Drop Power Dissipation
Current
Code
Rating
Capacity 1.0 x I_Rated
max. (mV)
1.0 x I_Rated
max. (W)
250mA
0250
250V
350
0.3
300mA
0300
250V
300
0.3
350mA
0350
250V
300
0.4
400mA
0400
500mA
0500
600mA
0600
250V
250V
250V
35A / 250VAC
10kA / 125VAC
50-60Hz
cos ϕ = 0.7-0.8
280
250
230
0.4
0.4
0.5
700mA
0700
250V
210
0.5
800mA
0800
250V
200
0.6
1.00A
1100
250V
180
0.6
1.25A
1125
250V
170
0.7
1.60A
1160
250V
100A / 250VAC
150
0.8
2.00A
1200
250V
10kA / 125VAC
130
0.9
2.50A
1250
250V
50-60Hz
120
1.0
3.00A
1300
250V
cos ϕ = 0.7-0.8
115
1.1
3.50A
1350
250V
110
1.3
4.00A
5.00A
6.00A
7.00A
1400
1500
1600
1700
125V
125V
125V
125V
10kA / 125VAC
50-60Hz
cos ϕ = 0.7-0.8
105
100
95
90
1.3
1.4
1.4
1.4
Melting Integral
10 x I_Rated
typ. (A²s)
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
Approvals
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Order
Information
Qty.
Order-
Series Amp Code Packaging
Number
197
Specifications are subject
to change without notice
WebSite
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