OWICM1909-
Toroid power Common Mode Choke
Ole Wolff Elektronik A/S, Roedengvej 14, 4180 Sorø
T: +45 5783 3830 | sales@owolff.com
T: +45 5783 3830 | sales@owolff.com
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Description
SMD CMC, wires bifilar or separate wound in toroid core and assembled into case.
SMD CMC, wires bifilar or separate wound in toroid core and assembled into case.
Features
• High rated Current
• Low height
• Wire wound constructure CMC
• Great EMI suppression effect
• High Impedance
• Separate winding or Bifilar winding are flexible
• RoHS and REACH compliant
• High rated Current
• Low height
• Wire wound constructure CMC
• Great EMI suppression effect
• High Impedance
• Separate winding or Bifilar winding are flexible
• RoHS and REACH compliant
Applications
• Preventive measure against common mode noise
• Radiation emissions from powerlines or similar
• Great for high Current circuits: Eg. Car, wireless charging, and power device design
• Industrial applications
• Signal and sensor lines
• Suppression for CMC
• Preventive measure against common mode noise
• Radiation emissions from powerlines or similar
• Great for high Current circuits: Eg. Car, wireless charging, and power device design
• Industrial applications
• Signal and sensor lines
• Suppression for CMC
| Test Voltage | 0.25V |
| Parameters Test Temp | 25°C |
| Operation Temp (Including temperature Rise) | -20°C to +105°C |
| Storage Temp | 0~40°C |
| Storage Humidity | <70% RH |
| Resistance to Soldering Heat | 260°C for 10 sec |
| Rated Current | 1.40 - 12.00A |
| Temperature Rise | 40°C Typ. at Rated Current |
All in series
Product ID
Inductance
DCR [mohm]
Isat [A]
Test condition
Frequency range
Irms [A]
Custom 1
Custom 2
Samples
Inductors:
L tol note:
Shape and dimensions [mm]
A
B
C
D
E
F
G
H
I
J
Shape
A:
19.56
A tol:
Max.
B:
17.30
B tol:
Max.
C:
10.50
C tol:
Max.
D:
11.30
D tol:
Ref
E:
16.51
E tol:
Ref
F:
F tol:
G:
G tol:
H:
H tol:
I:
I tol:
J:
J tol:
Shape:
Square
a
b
c
d
aa
1.52
aa tol
Ref
bb
4.45
bb tol
Ref
cc
11.30
cc tol
Ref
dd
16.50
dd tol
Max.
Dimension remarks:
Recommended dimension, a,b,c,d for PCB pad
Dimensions Image: 
PAD Image: 
Schematic Image: 