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311 Datasheet(PDF) 1 Page - Littelfuse

Part No. 311
Description  MINIATURE FUSES - 5x20 mm
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Maker  LITTELFUSE [Littelfuse]
Homepage  http://www.littelfuse.com
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WebSite 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.
050930
800 mA
0800
250 V2
400
1.0
1 A
1100
250 V2
350
1.2
1.25 A
1125
250 V2
310
1.7
1.6 A
1160
250 V2
480
2.5
2 A
1200
250 V2
360
4.5
2.5 A
1250
250 V2
300
8.2
4 A
1400
250 V2
180
30.0
6.3 A
1630
250 V2
160
94.0
1500 A @ 250 V AC
50 Hz
cos ϕ = 0.7
1
Ausf. / type: 800mA ... 4A
Ausf. / type: 6,3A
Kappe mit Kennmelder
cap with indicator
20±0,5
20±0,5
M
M
M
M
MINIA
INIA
INIA
INIA
INIATURE
TURE
TURE
TURE
TURE
FFFFFUSES
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 23
% at ambient temperature of 23
% at ambient temperature of 23
% at ambient temperature of 23
% at ambient temperature of 23 ºC (73.4
ºC (73.4
ºC (73.4
ºC (73.4
ºC (73.4 ºF).
ºF).
ºF).
ºF).
ºF).
Specifications
Specifications
Specifications
Specifications
Specifications
Packaging
Packaging
Packaging
Packaging
Packaging
002: Pack (20 x 10 pcs.)
Materials
Materials
Materials
Materials
Materials
Tube:
Ceramic
End Caps: Nickel-plated brass
Operating T
Operating T
Operating T
Operating T
Operating Temperature
emperature
emperature
emperature
emperature
-40 ºC to +85 ºC (consider de-rating)
Climatic Category
Climatic Category
Climatic Category
Climatic Category
Climatic Category
-40 ºC / +85 ºC / 21 days
(IEC 60068-1,-2-1,-2-2,-2-78)
Stock Conditions
Stock Conditions
Stock Conditions
Stock Conditions
Stock Conditions
+10 ºC to +60 ºC
relative humidity ≤ 75 % yearly average,
without dew
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
Marking
Marking
Marking
Marking
Marking
, M, Current Rating, 250 V, G
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
311
Indicator
Indicator
Indicator
Indicator
Indicator, 250 V
, 250 V
, 250 V
, 250 V
, 250 V
TTTTTime-Current Characteristic
ime-Current Characteristic
ime-Current Characteristic
ime-Current Characteristic
ime-Current Characteristic
Mittelträge (M)
Standard
Standard
Standard
Standard
Standard
DIN 41577, T.2
Approvals
Approvals
Approvals
Approvals
Approvals
None
5x20 mm
5x20 mm
5x20 mm
5x20 mm
5x20 mm/ No. 311
311
311
311
311
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
Amp
Voltage
Breaking
Voltage Drop Power Dissipation Melting Integral
Approvals
Current
Code
Rating
Capacity
1.0 x I
N
1.5 x I
N
10 x I
N
max. (mV)
max. (W)
min. (A2s)
1 without gauge stud
2 operating voltage ≥ 10 V
None
Rated Current
1.5 x I
N
2.1 x I
N
2.75 x I
N
4 x I
N
10 x I
N
800 mA ... 6.30 A
> 1 h
< 30 min
-
60 ms ... 2 s
5 ms ... 70 ms
on request
Note: 1.00 means the number one with two decimal places. 1,000 means the number one thousand.




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