S
URFACE
M
OUNT
F
USES
SM250V / SM350V
No. 462
Lead Free
IEC 60127-4,
250 V / 350 V AC/DC, T
T ime-Current
Time Lag (T)
Specifications
Packaging
DR:
Blister Tape (1500 pcs.) reel diameter 330 mm
plastic UL 94 V-O
Wire
copper alloy, tin plated
Characteristic
Materials
Standard
IEC 60127-4/2
UL 248-14
VDE
UL
PSE JET
Housing:
Element:
Terminals:
Temperature
Operating Temperature
Climatic Category
Stock Conditions
Approvals
-40 °C to +85 °C (consider derating)
-40 ºC / +85 ºC / 21 days
(IEC 60068-1, -2-1, -2-2, -2-78)
+10 ºC to +60 ºC
relative humidity
≤
75 % yearly average,
without dew, maximum value for 30 days-95 %
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
235 ºC, 5 s. (IEC 60068-2-58)
260 ºC, 10 s. (IEC 60068-2-58)
Conducting path - 0.1 mm
2
Thickness - 0.035 mm
Dimensions (mm)
Features
Heat resistant plastic housing, UL 94 V-O
For line or low voltage applications
Low voltage drop
Internationally approved
High pulse resistance
Lead-free
V ibration Resistance
Solderability
Pad Layout
acc. to IEC 60127-4
Soldering Heat Resistance
Minimum Cross Section, Copper
Mounting
Marking
, T, Current Rating, L, 250V,
Avoid circuit traces below the fuse
Limits for Pre-arcing Time
Rated Current
500mA...5.00 A
Unit Weight
2.0 x I
N
< 2 min
1.25 x I
N
>1h
10 x I
N
10 ms ... 100 ms
0.4 g
*
Approvals
PSE JET
cURus
Permissible continuous operating current is
≤
8 0 % at ambient temperature of 23 ºC (73.4 ºF).
Rated
Voltage
Breaking
Voltage Drop
Power Dissipation
Melting Integral
Current
Rating
Capacity
1.0 x I
N
1.25 x I
N
10 x I
N
max. (mV)
max. (mW)
min. (A
2
s) 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
11.00
17.60
30.00
0.43
0.80
1.40
2.70
5.20
9.70
5.44
8.00
14.00
21.00
40.00
VDE
100 A / 350 V AC/DC *
150 A / 250 V AC/DC
50-60Hz
cos
ϕ
= 1.0
150 A / 250 V AC/DC
•
•
•
•
•
•
•
•
•
•
•
UL
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
* 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
011906
Qty.
Order-
Number
Series
462
Amp Rating
Packaging
Specifications are subject
to change without notice
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.
S
URFACE
M
OUNT
F
USES
SM250V / No. 462
00
0,0
10
,00
10
0
0
1,0
0
10
0
I-t Characteristics
(Min-Max Limit)
IEC 60127-4
Time (sec.)
10
1
0.1
1
0.0
01
0.0
1
1.5
2
I
Fault
/ I
Rated
3
4
5
6
7 8 9 10
15
Contact Littelfuse for individual I-t curves
011906
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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