LITTELFUSE 321

MINIA
TURE FUSES
INIATURE
5x25mm
5x25mm/ No. 321
Indicator
Indicator,, 250V
Specifications
Time-Current
Packaging
Mitteträge (M)
Characteristic
002: Pack (100 pcs.)
Standard
Materials
DIN 41577, T.2
Tube:
End Caps:
Approvals
None
Ceramic
Nickel-plated brass
Operating TTemperature
emperature
-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
Ø5,2 +0,1
- 0,2
Dimensions
Vibration Resistance
24 cycles at 15 min. each (EN 60068-6)
10 - 60Hz at 0.75mm amplitude
60 - 2000Hz at 10g acceleration
25±0,5
Marking
Kappe mit Kennmelder
cap with indicator
, M, Current Rating, 250V, C
Limits for Pre-arcing Time
Rated Current
80mA ... 100mA
125 mA ... 630 mA
1.5 x IRated
>1h
2.1 x IRated 2.75 x IRated
<2min
-
4 x IRated
10 x IRated
40ms ... 500ms
60ms ... 2s
> 5ms
Permissible continuous operating current is ≤ 80
% at ambient temperature of 23ºC (73.4ºF).
80%
Rated
Amp
Voltage
Breaking Voltage Drop Power Dissipation Melting Integral
Current
Code
Rating
Capacity
1.0 x IRated
1.5 x IRated
10 x IRated
max. (mV)
max. (W)
min. (A2s)
80mA
100mA
125mA
160mA
200mA
250mA
315mA
400mA
500mA
630mA
1
250V1
250V1
250V1
250V1
250V1
250V1
250V1
250V1
1
250V1
250V
0080
0100
0125
0160
0200
0250
0315
0400
0500
0630
80A
50Hz
cos ϕ=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
color of indicator
grey
red
velvet
orange
blue
yellow
black
brown
white
green
operating voltage ≥ 10 V
Note: 1.00 means the number one with two decimal places. 1,000 means the number one thousand.
Order
Information
050914
Qty.
OrderNumber
Series
321
Amp Code
Packaging
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.
Specifications are subject
to change without notice
WebSite www.littelfuse.com
MINIA
TURE FUSES
INIATURE
Time (sec.)
5x25mm
5x25mm/ No. 321
I Fault / I Rated
Contact Littelfuse for individual I-t curves
050914
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.
WebSite www.littelfuse.com