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RTOP Datasheet(PDF) 4 Page - Vishay Siliconix

Part No. RTOP
Description  Power Resistors for Mounting onto a Heatsink Thick Film Technology
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Maker  VISHAY [Vishay Siliconix]
Homepage  http://www.vishay.com
Logo VISHAY - Vishay Siliconix

RTOP Datasheet(HTML) 4 Page - Vishay Siliconix

  RTOP Datasheet HTML 1Page - Vishay Siliconix RTOP Datasheet HTML 2Page - Vishay Siliconix RTOP Datasheet HTML 3Page - Vishay Siliconix RTOP Datasheet HTML 4Page - Vishay Siliconix  
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Document Number: 50045
Revision 14-Jan-05
www.vishay.com
30
RTOP
Vishay Sfernice
For technical questions, contact sfer@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.
POWER RATING CHART
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.
MARKING
Series, style, ohmic value (in ), tolerance (in %), manufacturing date, VISHAY trade mark.
0
20
40
60
80
100
120
140
HEATSINK TEMPERATURE IN DEGREES CELSIUS
ENERGY CURVE
ORDERING INFORMATION
RTOP
200
3.2
± 1%
± %
V
R1
T1
R2
MODEL
STYLE
OHMIC VALUE
CONNECTIONS
CUSTOM DESIGN
RTOP
100
Optional
To be precise
V: Screw
Optional
DRTOP
50
± 1%
for each
VS: RTOP Shunt
± 2%
resistor
± 5 %
± 10 %
ABSOLUTE TOLERANCE PER RESISTOR
Power Resistors for Mounting onto a Heatsink
Thick Film Technology
OVERLOAD DURATION IN SECONDS
1.10-7
1.10-6
1.10-5
1.10-4
1.10-3
1.10-2
1.10-1
1
RTOP
DRTOP
0.01
0.1
1
10
100
1000
0
20
40
60
80
100


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