SURFACE MOUNT FUSES
Specifications
IEC 60127-4,
250 V / 350 V AC/DC, T
Time-Current Characteristic
Time Lag (T)
SM250V / SM350V
No. 462
Packaging
DR: Blister Tape (1500 pcs.) reel diameter 330 mm
Materials
Housing:
Element:
Lead Free
plastic UL 94 V-O
Wire
Standard
IEC 60127-4/2
UL 248-14
Terminals: copper alloy, tin plated
Operating Temperature
-40 °C to +85 °C (consider derating)
Approvals
VDE
UL
Climatic Category
-40 ºC / +85 ºC / 21 days
(IEC 60068-1, -2-1, -2-2, -2-78)
PSE JET
Dimensions (mm)
Stock Conditions
Features
+10 ºC to +60 ºC
Heat resistant plastic housing, UL 94 V-O
For line or low voltage applications
Low voltage drop
relative humidity ≤ 75 % yearly average,
without dew, maximum value for 30 days-95 %
Vibration Resistance
Internationally approved
High pulse resistance
Lead-free
24 cycles of 15 min. each (EN 60068-2-6)
10 - 60 Hz at 0.75 mm amplitude
60 - 2000 Hz at 10 g acceleration
Solderability
235 ºC, 5 s. (IEC 60068-2-58)
Soldering Heat Resistance
260 ºC, 10 s. (IEC 60068-2-58)
Pad Layout acc. to IEC 60127-4
Minimum Cross Section, Copper
2
Conducting path - 0.1 mm
Thickness - 0.035 mm
Mounting
Avoid circuit traces below the fuse
Marking
, T, Current Rating, L, 250V,
Unit Weight
0.4 g
Limits for Pre-arcing Time
Rated Current 1.25 x IN
2.0 x IN
< 2 min
10 x IN
*
500mA...5.00 A
> 1 h
10 ms ... 100 ms
Permissible continuous operating current is ≤ 80 % at ambient temperature of 23 ºC (73.4 ºF).
Rated
Voltage
Rating
Breaking
Capacity
Voltage Drop
1.0 x IN
Power Dissipation
1.25 x IN
Melting Integral
10 x IN
Approvals
Current
max. (mV)
max. (mW)
min. (A2s) typ.
500 mA
630 mA
800 mA
1.00 A
1.25 A
1.60 A
2.00 A
2.50 A
3.15 A
4.00 A
5.00 A
250 V
250 V
250 V
250 V
250 V
250 V
250 V
250 V
250 V
250 V
250 V
160
160
160
140
130
130
120
120
110
110
110
200
200
250
250
250
280
300
450
600
800
1000
0.33
0.60
1.05
2.00
4.00
7.00
4.00
6.25
0.43
0.80
1.40
2.70
5.20
9.70
5.44
8.00
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100 A / 350 V AC/DC *
150 A / 250 V AC/DC
50-60Hz
cos ϕ = 1.0
11.00
17.60
30.00
14.00
21.00
40.00
150 A / 250 V AC/DC
* 100 A / 350 V AC/DC according to UL Recognition
Note: 1.00 means the number one with two decimal places. 1,000 means the number one thousand.
Order
Information
Qty.
Order-
Number
Series
462
Amp Rating
Packaging
Specifications are subject
to change without notice
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.
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011906