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PR01 Datasheet, PDF (4/13 Pages) Vishay Siliconix – Power Metal Film Resistors
Phoenix Passive Components
ELECTRICAL CHARACTERISTICS
DERATING
The power that the resistor can dissipate depends on the operating temperature.
Fig. 2. Maximum dissipation (Pmax) in percentage of rated power as a function of ambient temperature (Tamb)
APPLICATION INFORMATION
Hot spot
Solder spot
Fig. 3. φ 0.58 mm Cu – leads
Hot spot temperature rise (∆T) as a function
of dissipated power
Fig. 4. φ 0.58 mm Cu - leads
Minimum distance from resistor body to PCB =1mm
Temperature rise (∆T) at the lead end (solder spot)
as a function of dissipated power at various leads
lengths after mounting
PR01
 PHOENIX DO BRASIL LTDA
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Revision on 2003/12/21
Page 4 of 13