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

MINIATURE FUSES
5x20 mm / No. 181 ^{IEC 60127-2/V, 250 V, T Specifications}
This product is not recommended
for new designs. Please refer to
Littelfuse No. 215.
Time-Current Characteristic
Time Lag (T)
Standard
IEC 60127-2/V
Approvals
VDE
SEMKO
cULus Recognized
BSI
SEV
METI-PSE
CCC
Packaging
000: Bulk (1000 pcs.)
002: Bulk (20x10 pcs.)
043: With mounted holders - Tape/Reel (1250 pcs.)
on request*
*approvals pending for Pb-free fuse with
holders
Materials
Tube:
End Caps:
Optional holders:
Ceramic
Nickel-plated brass
Nickel-plated caps
Tin-plated copper wires
Dimensions (mm)
Features
High breaking capacity
Direct solderable or plug-in versions
Internationally approved
Worldwide availability
WebLinks
Further info see:
Operating Temperature
-40 ºC to +85 ºC (consider de-rating)
Climatic Category
-40 ºC / +85 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 %
Optional holders*
www.wickmanngroup.com
Further application info see fuseology:
www.wickmanngroup.com/download/
fuseology.pdf
Vibration Resistance
24 cycles at 15 min. each (EN 60068-2-6)
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)
only 1.25 up to 10.0 A
Marking
, T, Current Rating, H, 250 V, Approvals
Limits for Pre-arcing Time
Rated Current
125 ... 800 mA / 8 ... 10 A
1.00 A ... 3.15 A
4.00 mA ... 6.30 A
1.5 x I_N
> 1h
> 1h
> 1h
2.1 x I_N
< 30 min
< 30 min
< 30 min
2.75 x I_N
--
1 s ... 80 s
1 s ... 80 s
4 x I_N
60 ms ... 5 s
95 ms ... 5s
150 ms ... 5 s
10 x I_N
10 ms ... 100 ms
10 ms ... 100 ms
20 ms ... 100 ms
Unit Weight
1.2g (approx.)
2.2g (with mounted holders)
Permissible continuous operating current is ≤ 100 % at ambient temperature of 23 ºC (73.4 ºF).
Rated
Current
Amp
Code
Voltage
Rating
Breaking
Capacity
Voltage Drop Power Dissipation Melting Integral
1.0 x I_N
max. (mV)
1.5 x I_N
max. (W)
10 x I_N
min. (A²s)
Approvals
125 mA
0125
160 mA
0160
200 mA
0200
250 mA
0250
315 mA
0315
400 mA
0400
500 mA
0500
630 mA
0630
800 mA
0800
1.00 A
1100
250 V
250 V
250 V
250 V
250 V
250 V
250 V
250 V
250 V
250 V
2000
1550
1300
1000
900
800
650
1500 A / 250 V AC
50-60 Hz
550
450
cos ϕ = 0.7-0.8
250
0.5
0.025
pp •
•
0.6
0.035
pp •
•
0.6
0.084
pp •
•
0.7
0.11
pp •
•
0.8
0.19
pp •
•
0.9
0.34
pp •
•
1.0
0.56
pp •
•
1.1
0.77
pp •
•
1.2
1.6
pp •
•
1.4
1.0
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1.25 A
1125
250 V
1.60 A
1160
250 V
190
0.65
2.2
160
0.67
5.34
2.00 A
1200
2.50
3.15
A
A
1
1250
1315
4.00 A ¹
1400
5.00 A ¹
1500
6.30 A ¹
1630
250 V
250 V
250 V
250 V
250 V
250 V
160
0.86
8.64
180
0.95
19.5
180
1.12
34
96
1.37
77.9
95
1.5
77
90
1.6
115
8.00 A ¹
1800
10.00 A¹
2100
250 V
250 V
90
3.6
77
90
4.0
180
1 _{Depending on the application and mounting, the fuse heating at max. ambient temperature in a closed fuseholder should be considered.}
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p=pending
Order
Information
Qty.
Order-
Series Amp Code Packaging
Number
181
Specifications are subject
to change without notice
WebSite
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