Техническая Спецификация для Royalohm Carbon film resistor 68 kΩ axial lead 0207 0.25 W CFR0W4J0683A50 1 pc(s) CFR0W4J0683A20
Модели
CFR0W4J0683A20
CONFIDENTIAL DOCUMENT
1. Scope:
This specification for approval relates to Carbon Film Fixed Resistors manufactured by
ROYALOHM 's specifications.
2. Type designation:
The type designation shall be in the following form :
(Ex.)
CR
1/4W
J
100KΩ
Type
Power Rating
Resistance
Nominal
Tolerance
Resistance
3. Ratings:
Ratings shall be shown in the table 1.
Table 1
Type
Rated Power
Max. Working Voltage
Max. Overload Voltage
Dielectric Withstanding Voltage
Rated Ambient Temp.
Operating Temp.Range.
Resistance Tolerance
Resistance Range
Rated Power
Max. Working Voltage
Max. Overload Voltage
Dielectric Withstanding Voltage
Rated Ambient Temp.
Operating Temp.Range.
Resistance Tolerance
Resistance Range
3.1 Power rating:
Resistors shall have a power rating based on continuous full load operation at an
ambient temperature of 70 ℃. For temperature in excess of 70 ℃ , the load shall be
derated as shown in the figure 1.
derated as shown in the figure 1.
3.2 Voltage rating:
Resistors shall have a rated direct-current (DC) continuous working voltage or an approximate
sine-wave root-mean-square (RMS) alternating-current (AC) continuous working voltage at commercial-
line frequency and waveform curresponding to the power rating , as determined from the
following formula :
line frequency and waveform curresponding to the power rating , as determined from the
following formula :
RCWV =
√
P x R
Were : RCWV = Rated DC or RMS AC continuous working voltage at commercial-line frequency and
waveform (volt)
P = Power Rating (watt)
R = Nominal Resistance (ohm)
R = Nominal Resistance (ohm)
250 V
500 V
500 V
1Ω ~ 10MΩ
Customer: CONRAD
Part No.: CFR0W4JxxxxA10
± 5 %
500 V
70 ℃
-55℃~+155℃
CR
0.25W at 70℃
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2013/12/13--Version: 1