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231_1 Datasheet, PDF (1/2 Pages) Littelfuse – 6.3x32 mm MINIATURE FUSES
MINIATURE FUSES
6.3x32 mm / No. 231
Leadfree
Dimensions (mm)
Special Type, 500 V, FF
Time-Current Characteristic
Very Quick Acting (FF)
Standard
None
Approvals
None
Features
Designed for semiconductor protection
For high voltage applications
High breaking capacity
Pluggable into clips or shocksafe holders
∅ 6,3
32
Specifications
Packaging
002: Pack (100 pcs.)
Materials
Tube:
Ceramic
End Caps: Nickel-plated brass
Operating Temperature
-25 ºC to +70 ºC (consider de-rating)
Climatic Category
-25 ºC/+70 ºC/21 days (EN 60068-1..3)
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 60068-2-6)
10 - 60 Hz at 0.75 mm amplitude
60 - 2000 Hz at 10 g acceleration
Marking
, FF, Current Rating, 500 V
Unit Weight
2.5 g (approx.)
Limits for Pre-arcing Time
Rated Current 1.0 x IN 1 1.5 x IN
2.00 A ... 16.00 A
>1h
< 30 min
2.75 x IN
4 x IN
10 x IN
2 ms ... 100 ms 1 ms ... 25 ms < 3 ms
Permissible continuous operating current is ≤ 80% at ambient temperature of 23ºC (73.4ºF).
Rated
Amp
Voltage
Breaking Voltage Drop Power Dissipation Melting Integral
Current
Code
Rating
Capacity
1.0 x IN
max. (mV)
1.0 x IN
max. (W)
10 x IN
max. (A2s)
2.00 A
1200
2.50 A
1250
3.15 A
1315
4.00 A 2
1400
5.00 A 2
1500
6.30 A 2
1630
8.00 A 2
1800
10.00 A 2
2100
12.50 A 2
2125
16.00 A 1,2
2160
500 V
800
500 V
800
500 V
800
500 V
500 V
1000A / 500VAC
50-60Hz
700
600
500 V
cos ϕ = 1.0
600
500 V
600
500 V
500
500 V
500
500 V
480
3.0
0.35
3.0
0.44
3.0
0.75
3.6
1.6
3.6
2.5
3.6
5
5.2
10
5.2
20
6.3
38
6.3
68
1
2
16.00 A: 0.9 x
Depending on
IN >
the
1h
application
and
mounting,
the
fuse
heating
at
max.
ambient
temperature
in
a
closed
fuseholder
should
be
considered.
Note: 1.00 means the number one with two decimal places. 1,000 means the number one thousand.
Approvals
None
Order
Information
012006
Qty.
Order-
Series Amp Code Packaging
Number
231
In our continuing strategy to deliver unparalleled circuit protection solutions,
technical expertise and application leadership, we proudly introduce the
WICKMANN Group and its products to the Littelfuse portfolio.
Specifications are subject
to change without notice
www.littelfuse.com