RTOP Ver la hoja de datos (PDF) - Vishay Semiconductors
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RTOP Datasheet PDF : 8 Pages
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www.vishay.com
OVERLOADS
The applied power is 2.5 x rated power for 5 s with a max.
voltage of 2 x nominal voltage.
Accidental overload: The values indicated in the graph
below are applicable to resistors in air or mounted onto a
heatsink.
In case of multi-resistor devices, (DRTOP, TROP and QROP)
the results apply to each resistor value in the device.
ENERGY CURVE
1000
100
RTOP
10
DRTOP
1
0.1
0.01
10-7 10-6 10-5 10-4 10-3 10-2 10-1 100
OVERLOAD DURATION IN s
POWER CURVE
1 000 000
100 000
10 000
1000
DRTOP
RTOP
100
10-7 10-6 10-5 10-4 10-3 10-2 10-1 100
OVERLOAD DURATION IN s
MARKING
Series, style, ohmic value (in), tolerance (in %),
manufacturing date, Vishay Sfernice trademark.
RTOP
Vishay Sfernice
POWER RATING
The temperature of the heater should be maintained in the
limit specified. To improve the thermal conductivity,
surfaces in contact should be laid on with a silicon grease
and the torque applied on the screw for tightening should be
around 2 Nm.
100
80
60
40
20
0
0
20
40
60
80
100 120 140
HEATSINK TEMPERATURE IN °C
PACKAGING
Box of 10 units
Revision: 06-Apr-18
4
Document Number: 50045
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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