RTOP100(2004) Ver la hoja de datos (PDF) - Vishay Semiconductors
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RTOP100
(Rev.:2004)
(Rev.:2004)
Vishay Semiconductors
RTOP100 Datasheet PDF : 4 Pages
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RTOP
Vishay Sfernice
Power Resistors for Mounting onto a Heatsink
Thick Film Technology
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
10
1
0.1
0.01
1.10-7 1.10-6
1.10-5
1.10-4
1.10-3
1.10-2
1.10-1
1
OVERLOAD DURATION IN SECONDS
POWER RATING CHART
RTOP
DRTOP
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 DEGREES CELSIUS
MARKING
Series, style, ohmic value (in ), tolerance (in %), manufacturing date, VISHAY trade mark.
ORDERING INFORMATION
RTOP
200
3.2
± 1%
±%
V
R1 T1 R2
MODEL STYLE
OHMIC VALUE
ABSOLUTE TOLERANCE PER RESISTOR CONNECTIONS
RTOP
100
DRTOP
50
Optional
± 1%
± 2%
±5%
± 10 %
To be precise
for each
resistor
V: Screw
VS: RTOP Shunt
CUSTOM DESIGN
Optional
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30
For technical questions, contact sfer@vishay.com
Document Number: 50045
Revision 14-Jan-05
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