www.littelfuse.com
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 1200 500 V 800 3.0 0.35
2.50 A 1250 500 V 800 3.0 0.44
3.15 A 1315 500 V 800 3.0 0.75
4.00 A 1400 500 V 700 3.6 1.6
5.00 A 1500 500 V 600 3.6 2.5
6.30 A 1630 500 V 600 3.6 5
8.00 A 1800 500 V 600 5.2 10
10.00 A 2100 500 V 500 5.2 20
12.50 A 2125 500 V 500 6.3 38
16.00 A 2160 500 V 480 6.3 68
1000A / 500VAC
50-60Hz
cos
ϕ
= 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.
MM
MM
M
INIAINIA
INIAINIA
INIA
TURETURE
TURETURE
TURE
F F
F F
F
USESUSES
USESUSES
USES
Dimensions (mm)Dimensions (mm)
Dimensions (mm)Dimensions (mm)
Dimensions (mm)
Permissible continuous operating current is Permissible continuous operating current is
Permissible continuous operating current is Permissible continuous operating current is
Permissible continuous operating current is
≤≤
≤≤
≤
80 80
80 80
80
% at ambient temperature of 23ºC (73.4ºF).% at ambient temperature of 23ºC (73.4ºF).
% at ambient temperature of 23ºC (73.4ºF).% at ambient temperature of 23ºC (73.4ºF).
% at ambient temperature of 23ºC (73.4ºF).
SpecificationsSpecifications
SpecificationsSpecifications
Specifications
PackagingPackaging
PackagingPackaging
Packaging
002: Pack (100 pcs.)
MaterialsMaterials
MaterialsMaterials
Materials
Tube: Ceramic
End Caps: Nickel-plated brass
Operating TOperating T
Operating TOperating T
Operating T
emperatureemperature
emperatureemperature
emperature
-25 ºC to +70 ºC (consider de-rating)
Climatic CategoryClimatic Category
Climatic CategoryClimatic Category
Climatic Category
-25 ºC/+70 ºC/21 days (EN 60068-1..3)
Stock ConditionsStock Conditions
Stock ConditionsStock Conditions
Stock Conditions
+10 ºC to +60 ºC
relative humidity ≤ 75 % yearly average,
without dew, maximum value for 30 days-95 %
Vibration ResistanceVibration Resistance
Vibration ResistanceVibration Resistance
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
MarkingMarking
MarkingMarking
Marking
, FF, Current Rating, 500 V
Unit WeightUnit Weight
Unit WeightUnit Weight
Unit Weight
2.5 g (approx.)
OrderOrder
OrderOrder
Order
Qty.Qty.
Qty.Qty.
Qty.
Order-Order-
Order-Order-
Order-
SeriesSeries
SeriesSeries
Series
Amp Code PackagingAmp Code Packaging
Amp Code PackagingAmp Code Packaging
Amp Code Packaging
InformationInformation
InformationInformation
Information
Number Number
Number Number
Number
231
Special TSpecial T
Special TSpecial T
Special T
ype, 500 Vype, 500 V
ype, 500 Vype, 500 V
ype, 500 V
, FF, FF
, FF, FF
, FF
TT
TT
T
ime-Current Characteristicime-Current Characteristic
ime-Current Characteristicime-Current Characteristic
ime-Current Characteristic
Very Quick Acting (FF)
StandardStandard
StandardStandard
Standard
None
ApprovalsApprovals
ApprovalsApprovals
Approvals
None
FeaturesFeatures
FeaturesFeatures
Features
Designed for semiconductor protection
For high voltage applications
High breaking capacity
Pluggable into clips or shocksafe holders
6.3x32 mm / No.
231231
231231
231
LeadfreeLeadfree
LeadfreeLeadfree
Leadfree
Limits for Pre-arcing TimeLimits for Pre-arcing Time
Limits for Pre-arcing TimeLimits for Pre-arcing Time
Limits for Pre-arcing Time
Rated Current 1.0 x I
N
1.5 x I
N
2.75 x I
N
4 x I
N
10 x I
N
2.00 A ... 16.00 A > 1 h < 30 min 2 ms ... 100 ms 1 ms ... 25 ms < 3 ms
Rated Amp Voltage Breaking Voltage Drop Power Dissipation Melting Integral Approvals
Current Code Rating Capacity 1.0 x I
N
1.0 x I
N
10 x I
N
max. (mV) max. (W) max. (A
2
s)
1
16.00 A: 0.9 x I
N
> 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
