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M INIATURE F USES
5x25mm/ No. 321
Dimensions
25 ±0,5
Kappe mit Kennmelder
cap with indicator
Limits for Pre-arcing Time
Indicator, 250V
T ime-Current Characteristic
Mittetr?ge (M)
Standard
DIN 41577, T.2
Approvals
None
Specifications
Packaging
002: Pack (100 pcs.)
Materials
Tube: Ceramic
End Caps: Nickel-plated brass
Operating Temperature
-25oC to +70oC (consider de-rating)
Climatic Category
-25oC/+70oC/21 days (EN 60068-1..3)
Stock Conditions
+10oC to +60oC
relative humidity ≤ 75% yearly average,
without dew
Vibration Resistance
24 cycles at 15 min. each (EN 60068-2-6)
10 - 60Hz at 0.75mm amplitude
60 - 2000Hz at 10g acceleration
Marking
, M, Current Rating, 250V, C
Rated Current
1.5 x I Rated
2.1 x I Rated 2.75 x I Rated
4 x I Rated
10 x I Rated
80mA ... 100mA
125 mA ... 630 mA
>1h
<2min
-
40ms ... 500ms
60ms ... 2s
> 5ms
Rated Amp Voltage Breaking Voltage Drop Power Dissipation Melting Integral
Current Code Rating Capacity 1.0 x I Rated 1.5 x I Rated 10 x I Rated
Permissible continuous operating current is ≤ 80% at ambient temperature of 23oC (73.4oF).
max. (mV) max. (W) min. (A 2 s)
color of indicator
250V1
250V 1
80mA
100mA
125mA
160mA
200mA
250mA
315mA
400mA
500mA
630mA
0080
0100
0125
0160
0200
0250
0315
0400
0500
0630
250V1
250V1
250V1
250V1
250V1
250V1
250V1
1
250V
80A @ 250 V AC
50Hz
cos ? = 1.0
520
500
500
480
400
500
470
400
400
380
on request
0.015
0.030
0.053
0.11
0.23
0.38
0.53
0.75
1.5
2.3
grey
red
velvet
orange
blue
yellow
black
brown
white
green
1
operating voltage ≥ 10 V
Note: 1.00 means the number one with two decimal places. 1,000 means the number one thousand.
Order
Information
Qty.
Order-
Number
Series
321
Amp Code
Packaging
Specifications are subject
to change without notice
012006
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.
www.littelfuse.com
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