191 Datasheet, PDF (1/2 Pages) Littelfuse – MINIATURE FUSES - 5x20 mm

MINIATURE FUSES
5x20 mm / No. 191
This product is not recommended
for new designs. Please refer to
Littelfuse No. 235.
Dimensions (mm)
UL 248-14, 250 V, F
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
Optional Holders
Limits for Pre-arcing Time
Rated Current 1.35 x I_N
250 mA ... 7.00 A
<1h
2.0 x I_N
< 120 s
2.0 x I_N
<5s
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
Operating Temperature
-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)
Permissible continuous operating current is ≤ 75 % at ambient temperature of 23 ºC (73.4 ºF).
Rated
Amp
Voltage
Breaking Voltage Drop Power Dissipation Melting Integral
Current
Code
Rating
Capacity
1.0 x I_N
max. (mV)
1.0 x I_N
max. (W)
10 x I_N
max. (A²s)
250 mA
0250
300 mA
0300
350 mA
0350
400 mA
0400
500 mA
0500
600 mA
0600
700 mA
0700
800 mA
0800
1.00 A
1100
1.25 A
1125
1.60 A
1160
2.00 A
1200
2.50 A
1250
3.00 A
1300
3.50 A
1350
4.00 A
1400
5.00 A
1500
6.00 A
1600
7.00 A
1700
250 V
350
250 V
300
250 V
300
250 V
250 V
250 V
35 A / 250 V AC
10 kA / 125 V AC
50-60 Hz
cos ϕ = 0.7-0.8
280
250
230
250 V
210
250 V
200
250 V
180
250 V
170
250 V _{100 A / 250 V AC}
150
250 V _{10 kA / 125 V AC}
130
250 V
50-60 Hz
120
250 V
cos ϕ = 0.7-0.8
115
250 V
110
125 V
125 V
125 V
125 V
10 kA / 125 V AC
50-60 Hz
cos ϕ = 0.7-0.8
105
100
95
90
0.3
0.024
0.3
0.047
0.4
0.081
0.4
0.11
0.4
0.24
0.5
0.38
0.5
0.54
0.6
0.6
0.6
1.7
0.7
2.8
0.8
5.4
0.9
11
1.0
13
1.1
21
1.3
32
1.3
40
1.4
69
1.4
120
1.4
180
Approvals
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Order
Information
Qty.
Order-
Series Amp Code Packaging
Number
191
Specifications are subject
to change without notice
WebSite
Europe Tel: [phone] Americas Tel: [phone]
Asia Tel: [phone]
China Tel: [phone]
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