Littelfuse 231 - Manual

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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.
M M M M M
INIA INIA INIA INIA INIATURE TURE TURE TURE TURE
F F F F F
USES USES USES USES 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).
Specifications Specifications Specifications Specifications Specifications
Packaging Packaging Packaging Packaging Packaging
002: Pack (100 pcs.)
M a t e r i a l s M a t e r i a l s M a t e r i a l s M a t e r i a l s M a t e r i a l s
Tube: Ceramic
End Caps: Nickel-plated brass
Operating T Operating T Operating T Operating T Operating Temperature emperature emperature emperature emperature
-25 ºC to +70 ºC (consider de-rating)
Climatic Category Climatic Category Climatic Category Climatic Category Climatic Category
-25 ºC/+70 ºC/21 days (EN 60068-1..3)
Stock Conditions Stock Conditions Stock Conditions Stock Conditions Stock Conditions
+10 ºC to +60 ºC
relative humidity ≤ 75 % yearly average,
without dew, maximum value for 30 days-95 %
Vibration Resistance Vibration Resistance Vibration Resistance Vibration 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
M a r k i n g M a r k i n g M a r k i n g M a r k i n g M a r k i n g
, FF, Current Rating, 500 V
Unit Weight Unit Weight Unit Weight Unit Weight Unit Weight
2.5 g (approx.)
Order Order Order Order Order Qty. Qty. Qty. Qty. Qty. Order- Order- Order- Order- Order- Series Series Series Series Series Amp Code Packaging Amp Code Packaging Amp Code Packaging Amp Code Packaging Amp Code Packaging
Information Information Information Information Information Number Number Number Number Number 231
Special T Special T Special T Special T Special Type, 500 V ype, 500 V ype, 500 V ype, 500 V ype, 500 V, FF , FF , FF , FF , FF
TTTTTime-Current Characteristic ime-Current Characteristic ime-Current Characteristic ime-Current Characteristic ime-Current Characteristic
Very Quick Acting (FF)
Standard Standard Standard Standard Standard
None
Approvals Approvals Approvals Approvals Approvals
None
Features Features Features Features Features
Designed for semiconductor protection
For high voltage applications
High breaking capacity
Pluggable into clips or shocksafe holders
6.3x32 mm / No. 231 231 231 231 231
Leadfree Leadfree Leadfree Leadfree Leadfree
Limits for Pre-arcing Time Limits for Pre-arcing Time Limits for Pre-arcing Time Limits 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