RTO20 查看數據表（PDF） - Vishay Semiconductors
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RTO20 Datasheet PDF : 5 Pages
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OVERLOADS
In any case the applied voltage must be lower than the
maximum overload voltage of 750 V.
The values indicated on the graph below are applicable to
resistors in air or mounted onto a heatsink.
MARKING
Model, style, resistance value (in ), tolerance (in %),
manufacturing date, Vishay Sfernice trademark.
ENERGY CURVE
100
10
1
0.1
0.01
0.001
10-7
10-6
10-5
10-4
10-3
10-2
10-1
OVERLOAD DURATION IN s
POWER CURVE
100 000
RTO 20
Vishay Sfernice
POWER RATING
The temperature of the heatsink should be maintained within
the limits specified.
To improve the thermal conductivity, surfaces in contact
should be coated with a silicone grease and the torque
applied on the screw for tightening should be around 1 Nm.
Spring clip can also be used to mount the component on an
heatsink (ex: Kunze, clip KU4-498).
120
100
75
50
25
0
0
20
40
60
80 100 120 140 155
HEATSINK TEMPERATURE IN °C
PACKAGING
Tube of 50 units
10 000
1000
100
10-7
10-6
10-5
10-4
10-3
10-2
10-1
OVERLOAD DURATION IN s
Revision: 16-Nov-17
3
Document Number: 50005
For technical questions, contact: sferfixedresistors@vishay.com
THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT
ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT www.vishay.com/doc?91000
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