䂓Constructions
䂓Features
䂓Applications
䂓Model Designation
䂓Rating
High Power Chip Resistors
Symbol
Material List
㽲
㽳
㽴
㽵
㽶
3216 5025
1206 2010
㽲㩷Model No.
Symbol Tolerance(%) Packaging
WCR32
F㫧 B
WCR50 V Paper taping(WCR32)
J㫧 5
E
Embossed taping(WCR50)
㽴㩷Tolerance 㽵Packaging
WCR32
WCR32
100
100
J
J
V
V
ԘModel No.
㽳Resistance
㽴Tolerance
㽵Packaging
WCR50WCR32
Electrode
㽳㩷 Resistance
3 or 4 digit
47㱅ψ 4
0㱅ψ 000
70
1k㱅ψ102
1.02k㱅ψ1021
Operating Temp. Range: 䋺 -55㷄䌾+155㷄
T
ޓ
10m䌾91m
0.1䌾1M
WCR32 0.50
J(㫧5%)
F(㫧1%)
J(㫧5%)
㫧200
10m䌾91m
0.1䌾1M
WCR50 1.00
J(㫧5%)
F(㫧1%)
J(㫧5%)
㫧200
200 400
200 400
Bulk
0㱅type
WCR32
WCR50
Rated Current Resistance
(A) 䋨㱅䋩
2.0 Max. 50m㱅
䊶 Wide terminal made higher reliability of solder joint, compared to conventional chip resistor.
䊶 Wide terminal made possible high power handling. (Rated power, WCR50 : 1W, WCR32 : 0.5W)
䊶 High joint strengh against heat shock.
䊶 Resistance ranging 10m㱅䌾1M㱅.
䊶 Automotive electronics such as E.C.U. ,etc.
䊶 Circuits requiring high resistance to vibration.
䊶 For current detection.
Specifications are subject to change without notice.
HOKURIKU
Model No.
Size Code
mm
Inch
Size Code
Marking
Alumina Substrate
Resistive Film
Over coat
(Resistance) (Marking)
0㱅type is no marking
Symbol
Rated Wattage
Resistance Range .C.R.
㧔 W 㧕䋨ppm/㷄)
Model No.
Model No.
Tolerance
㧔%) E-24,E-96 Series
Standard䋨㱅䋩
Max.Working
Voltage (V)
Max. Overload
Voltage (V)
䂓Dimensions
䂓Power rating
䂓Surface temperature
䂓Packaging
2
㩿mm)
Model No.
LWc d t
WC R 3 2 3 . 2 0 㫧0.15 1.60㫧0.15 0.30㫧0.20 0.50㫧0.20 0.55
䋫0.15/-0.05
WC R 5 0 5 . 0 0 㫧0.20 2.50㫧0.20 0.50㫧0.20 0.60㫧0.20 0.56㫧0.15
100
0
80
60
40
20
-55㷄0㷄70㷄155㷄
Power rating (%)
Ambient Temperature (㷄)
For resistors operated in ambient temperature
abobe 70㷄, power rating must be derated
in accordance with the derating curve.
150
100
50
0100 200 30050
Power rating (%)
Surface temperature (㷄)
WCR50
WCR32
Surface temperature rise is shown in this figure.
Condition: : Measured by soldering on glass
cloth base material epoxy resin (t=1.6mm).
Refer "Dimension, Packaging, etc."
Specifications are subject to change without notice.
HOKURIKU
High Power Chip Resistors
L
c
d
W
t
