Datasheet

5 Reliability Performance Test
5.1 Electrical Performance Test
No short or burned on the
appearance
.
Applied 500VAC for 1 minute, and Limit surge current 50
mA (max.)
Refer to JIS-C5201-1 4.7
Dielectric
Withstand
Voltage
≧10
9
Ω
Put the resistor in the fixture, add 100 VDC in + ,- terminal
for 60secs then measured the insulation resistance
between electrodes and insulating enclosure or between
electrodes and base material.
Refer to JIS-C5201-1 4.6
Insulation
Resistance
No evidence of mechanical
damage.
≦± 0.5%
≦± 2.0% (4527-3W &4527-5W)
Applied Overload for 5 seconds and release the load for
about 30 minutes ,
then measure its resistance variance
rate. (Overload condition refer to below)
3 times of rated power
LR4527-5W
3 times of rated power
LR4527-3W
4 times of rated power
LR2728-4W
3 times of rated power
LR2728-3.5W
3 times of rated power
LR2728-3W
4 times of rated power
LR2725-4W
3 times of rated power
LR2512-3W
5 times of rated power
LR2512-2W
5 times of rated power
LR2512-1.5W
5 times of rated power
LR2512-1W
4 times of rated power
LR2010-1W
4 times of rated power
LR1206-1W
4 times of rated power
LR1206-0.5W
OverloadType
Refer to JIS-C5201-1 4.13
Short Time
Overload
Refer to Paragraph 3. general
specifications
TCR（ppm/℃）＝ × 10
6
（R2－R1）
R1（T2－T1）
R1: Resistance at room temperature
R2: Resistance at +150℃
T1: Room temperature
T2: Temperature at +150℃
Refer to JIS-C5201-1 4.8
Temperature
Coefficient of
Resistance
SpecificationsConditionsItem
5
/
13
Page No.
2011
/
10
/
19
Released Date
IE-SP-022
Document No.
Metal Alloy Low-Resistance
Resistor Specifications
RALEC
旺 詮
Do not copy without permission
Issue Dep. DATA Center.
Series No.
60
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PLS NOTE THE VERSION STATED.
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