VR37 Ver la hoja de datos (PDF) - Vishay Semiconductors
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VR37 Datasheet PDF : 6 Pages
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VR37
High Ohmic/High Voltage Resistors Vishay BCcomponents
The power that the resistor can dissipate depends on the operating
temperature.
Pmax
(%Prated)
100
50
20
V^ max
(kV)
10
8
6
0
−55
0
50 70 100
155
Tamb (°C)
4
10−2
10−1
1
10
102
Rn
(MΩ)
Maximum dissipation (Pmax) in percentage of rated power
as a function of the ambient temperature (Tamb).
Derating
Maximum allowed peak pulse voltage in accordance with
“IEC 60065 chapter 14.1”; 50 discharges from a 1 nF capacitor
charged to Vmax ; 12 discharges/minute (drift ∆R/R ≤ 2 %).
Pulse Loading Capability
80
∆T
(K)
60
40
20
50
∆T
(K)
40
30
20
10
5 mm
10 mm
15 mm
0
0
0.4
0.8 P (W) 1.2
Hot-spot temperature rise (∆T) as a function of dissipated power.
Application Information
0
0
0.4
0.8 P (W) 1.2
Temperature rise (∆T) at the lead end (soldering
point) as a function of dissipated power at various
lead lengths after mounting.
Document Number: 28733
Revision: 24-Feb-04
For technical questions contact: ff3dresistors@vishay.com
www.vishay.com
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