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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.
012006
2.00 A
2.50 A
3.15 A
4.00 A
5.00 A
6.30 A
8.00 A
10.00 A
12.50 A
16.00 A
1200
1250
1315
1400
1500
1630
1800
2100
2125
2160
500 V
500 V
500 V
500 V
500 V
500 V
500 V
500 V
500 V
500 V
800
800
800
700
600
600
600
500
500
480
3.0
3.0
3.0
3.6
3.6
3.6
5.2
5.2
6.3
6.3
0.35
0.44
0.75
1.6
2.5
5
10
20
38
68
1000A / 500VAC
50-60Hz
cos
= 1.0
6,3
32
2
2
2
2
2
2
1,2
1
Note: 1.00 means the number one with two decimal places. 1,000 means the number
one thousand.
M
INIATURE
F
USES
Dimensions (mm)
Permissible continuous operating current is
≤
Rated
Amp
Current
Code
80% at ambient temperature of 23oC (73.4oF).
Breaking
Voltage Drop Power Dissipation Melting Integral
Capacity
1.0 x I
max. (mV)
Specifications
Packaging
002: Pack (100 pcs.)
Materials
Tube:
End Caps:
Operating emperature
-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.)
Ceramic
Nickel-plated brass
Order
Information
Qty.
Order-
Number 231
Series
Amp Code Packaging
Special ype, 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
6.3x32 mm / No. 231
Leadfree
Limits for Pre-arcing Time
Rated Current
1.0 x I
N
> 1 h
1.5 x I
N
< 30 min 2 ms ... 100 ms 1 ms ... 25 ms < 3 ms
2.75 x I
N
4 x I
N
10 x I
N
2.00 A ... 16.00 A
Voltage
Rating
Approvals
1.0 x I
max. (W)
10 x I
max. (A
2
s)
1 16.00 A: 0.9 x I
> 1 h
2
Depending on the application and mounting, the fuse heating at max. ambient temperature in a closed fuseholder should be considered.
None
Specifications are subject
to change without notice