311 Datasheet, PDF (1/2 Pages) Littelfuse – MINIATURE FUSES - 5x20 mm

MINIATURE FUSES
5x20 mm/ No. 311
Indicator, 250 V
Time-Current Characteristic
Mittelträge (M)
Standard
DIN 41577, T.2
Approvals
None
Dimensions (mm)
Ausf. / type: 800mA ... 4A
20±0,5
Ausf. / type: 6,3A
Kappe mit Kennmelder
cap with indicator
Specifications
Packaging
002: Pack (20 x 10 pcs.)
Materials
Tube:
Ceramic
End Caps: Nickel-plated brass
Operating Temperature
-40 ºC to +85 ºC (consider de-rating)
Climatic Category
-40 ºC / +85 ºC / 21 days
(IEC 60068-1,-2-1,-2-2,-2-78)
Stock Conditions
+10 ºC to +60 ºC
relative humidity ≤ 75 % yearly average,
without dew
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
, M, Current Rating, 250 V, G
20±0,5
Limits for Pre-arcing Time
Rated Current
800 mA ... 6.30 A
1.5 x I_N
>1h
2.1 x I_N
< 30 min
2.75 x I_N
-
4 x I_N
60 ms ... 2 s
10 x I_N
5 ms ... 70 ms
Permissible continuous operating current is ≤ 80 % at ambient temperature of 23 ºC (73.4 ºF).
Rated
Current
Amp
Code
Voltage
Rating
Breaking
Capacity
Voltage Drop Power Dissipation Melting Integral
1.0 x I_N
1.5 x I_N
10 x I_N
max. (mV)
max. (W)
min. (A²s)
800 mA
1A
1.25 A
1.6 A
2A
2.5 A
0800
1100
1125
1160
1200
1250
250
250
250
250
250
250
VVVVVV222222
1500 A @ 250 V AC
50 Hz
cos ϕ = 0.7
400
350
310
480
360
300
on request
1.0
1.2
1.7
2.5
4.5
8.2
4A
6.3 A ¹
1400
1630
250
250
VV22
180
160
30.0
94.0
1 _{without gauge stud}
2 _{operating voltage ≥ 10 V}
Approvals
None
Note: 1.00 means the number one with two decimal places. 1,000 means the number one thousand.
Order
Information
050930
Qty.
Order-
Series Amp Code Packaging
Number
311
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