LSR37 Datasheet, PDF (3/8 Pages) List of Unclassifed Manufacturers – Low ohmic surge resistor

BCcomponents
Low ohmic surge resistor
Product specification
LSR37
FUNCTIONAL DESCRIPTION
Product characterization
Standard values of rated resistance (nominal resistance) are taken from the E12 series with a tolerance of 10% or 20%.The
values of the E12 series are in accordance with “IEC publication 60063”.
The limiting voltage DC is not applicable, because the maximum rated voltage for the maximum R_n-value of 10 kΩ at
P_n = 0.5 W is only 70.7 V.
The maximum permissible hot-spot temperature is 155 °C.
Limiting values
TYPE
LIMITING VOLTAGE⁽¹⁾
(V)
LIMITING POWER
(W)
LSR37
V = P_n × R
0.5
Note
1. The maximum voltage that may be continuously applied to the resistor element, see “IEC publication 60115-1”.
DERATING
The power that the resistor can dissipate depends on the operating temperature; see Fig.1.
P_max
(%P_rated)
100
CCB412
50
0
−55
0
50 70 100
155
T_amb (°C)
Fig.1 Maximum dissipation (P_max) in percentage of rated power
as a function of the ambient temperature (T_amb).
2002 Sep 26
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