RR00-1097
Specification for
Chip resistor RR1220 series
0
8/14
6.3 Endurance
6.3.1 Rapid change of temperature
Method;
The resistor shall be subjected to 5 continuous cycles, each as shown in the figure below.
１
Minimum operating temperature
±３
deg C 30 min
２
Standard atmospheric conditions 2
∼
3 min
３
Maximum operating temperature
±２
deg C 30 min
４
Standard atmospheric conditions 2
∼
3 min
For other procedures, refer to IEC 60115-1, Sub-clause 4.19.
Specification;
Change in resistance :
±(
0.5%+0.05
Ω)
Without mechanical damage such as breaks and distinct damage in appearance.
Marking shall be legible.
6.3.2 Endurance
(
Damp heat with load
)
Method;
The specimen shall be placed in the test chamber at a temperature 40
±
2deg C and a relative humidity
90 to 95 %, and then subjected to a voltage cycle consisting of rated d.c. voltage application of 1 hr 30
min and rest of 30 min repeatedly for 1000 +48/0 hrs.
However the applied voltage shall not exceed the limited element voltage.
For other procedures, refer to IEC 60115-1, Sub-clause 4.24.
Specification;
Change in resistance :
±(
0.5%+0.05
Ω)
Without mechanical damage such as breaks and distinct damage in appearance.
Marking shall be legible.
6.3.3 Endurance
(
rated load
)
Method;
The specimen shall be placed in the test chamber at 70
±
2deg C, and then subjected to a voltage cycle
consisting of rated d.c. voltage application of 1 hr 30 min and rest of 30 min repeatedly for 1000 +48/0
hrs.
However the applied voltage shall not exceed the limited element voltage.
For other procedures, refer to IEC 60115-1, Sub-clause 4.25.
Specification;
Change in resistance :
±(
0.5%+0.05
Ω)
Without mechanical damage such as breaks and distinct damage in appearance.
Marking shall be legible.
