Approval sheet
QUICK REFERENCE DATA
Item
Series No.
General Specification
WW12M
WW12N
Size code
1206 ( 3216 )
Resistance Tolerance
Resistance Value
5%; 1%
0.003, 0.004, 0.005, 0.006, 0.007, 0.008, 0.009,0.010,
0.012,0.015, 0.018, 0.020, 0.025, 0.030
TCR (ppm/C)
003,0.004 70 ppm/C
0.005~0.030 50 ppm/C
Max. dissipation at Tamb=70C
1/2W
1 W
10.0A
(111mV)
22.4A
14.1A
(173mV)
31.6A
Max.Working Current (Voltage)*
Max.Overload Current (Voltage)*
(250mV)
(387mV)
Operation temperature
Note :
-55 ~ +170’C
1.
This is the maximum voltage that may be continuously supplied to the resistor element, see “IEC publication
60115-8”
2.
Max. Operation Voltage : So called RCWV (Rated Continuous Working Voltage) is determined by
or Max. RCWV listed above, whichever is lower.
RCWV RatedPower ResistanceValue
MECHANICAL DATA
Symbol
Dimensions (mm)
3.100.20
L
W
T
1.650.20
0.600.20
A
0.600.20
Recommend Solder Pad Dimensions:
Strongly suggest use recommend solder pad to design your circuits
Symbol
Dimensions (mm)
1.8mm
W
D
L
1.3mm
4.7mm
Page 3 of 8
ASC_WW12M_J-WW12N_J_AUTO_V07
Dec - 2023