High Power Low Resistance Chip Resistors
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Dimensions
L
c
W
t
d
Unit : mm
Model No.
WLCR32
WLCR50
WLCR64
L
3.20±0.15
5.00±0.20
6.30±0.20
W
1.60±0.15
2.50±0.20
3.20±0.20
c
0.30±0.20
0.50±0.20
0.50±0.20
d
0.50±0.20
0.60±0.20
0.90±0.20
t
0.55
＋0.15/-0.05
0.56±0.15
0.56±0.15
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Structure
③ ④ ⑤
②
⑥
Symbol
①
②
③
④
⑤
⑥
①
Material List
Ceramic Substrate
Conductor
Resistor
Over coat
Marking
Side Electrode
Power rating (%)
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Surface Temperature
For resistors operated in ambient temperature above70
℃,
power rating must be derated in accordance with the
100
80
60
40
20
0
-55℃
0℃
70℃
155℃
derating curve.
Ambient Temperature(℃)
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Surface Temperature
Surface temperature rise is shown in this figure.
150
WLCR64
WLCR50
WLCR32
Surface temperature (℃)
100
Condition : Measured by soldering on glass
cloth base material epoxy resin (t=1.6mm).
50
0
50
100
200
300
Power rating (%)
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Packaging
Refer "Dimension, Packaging, etc."
HOKURIKU
Specifications are subject to change without notice
2
HOKURIKU [ HOKURIKU ELECTRIC INDUSTRY CO.,LTD ]
