STANDARD COMMON MODE INDUCTORS - THRU HOLE
CMF4HC
TRADITIONAL
Pb
CMF4HCLF
*
PART
NUMBER
CMF4-1003HC
CMF4-2503HC
CMF4-5003HC
CMF4-7503HC
CMF4-1004HC
CMF4-1704HC
CMF4-2504HC
CMF4-3304HC
CMF4-5004HC
CMF4-7504HC
CMF4-1005HC
COMPLIANT
RoHS
Wirewound, Horizontal Mount, Potted
L µH
@ 10 kHz
100
250
500
750
1000
1700
2500
3300
5000
7500
10000
DCR
OHMS
MAX
0.004
0.006
0.008
0.013
0.018
0.060
0.073
0.125
0.150
0.300
0.390
CURRENT
RATING
A DC
12
10
8.6
6.7
5.7
3.1
2.8
2.2
2.0
1.4
1.2
LEAKAGE
L µH
REF
1.7
3.5
5.5
7.6
10
20
25
40
49
77
91
INTERWINDING
CAPACITANCE
pF REF
8.8
12
15
22
20
18
23
25
30
30
32
All
part
numbers provide 30% tolerance on inductance
Custom designs are available to meet your specific requirements; please contact factory
*Add “LF” suffix for RoHS requirement. Example: CMF4-1003HCLF
Gowanda designates a component RoHS-compliant by adding “LF” (lead free) to the part number.
These LF components meet the ≤ .1% lead requirement and they are compatible with 260°C soldering processes.
TOP VIEW
1.10 ± 0.020
GOWANDA
(27.9 ± 0.508)
CMF4-XXXXHC
0.700
±
0.020
(17.8 ± 0.508)
0.240 (6.1) REF
1.10 ± 0.020
(27.9 ± 0.508)
TOP VIEW
1.10 ± 0.020
GOWANDA
(27.9 ± 0.508)
CMF4-XXXXHC
0.700
±
0.020
(17.8 ± 0.508)
0.240 (6.1) REF
1.10 ± 0.020
(27.9 ± 0.508)
BOTTOM VIEW
1
2
0.600 ± 0.010
(15.24 ± 0.254)
LEAD CENTERS
4
WINDING START IDENT
3
2
3
1
0.032 (0.813)
DIA TYP
4
WINDING START IDENT
SIDE VIEW
BOTTOM VIEW
1
2
0.600 ± 0.010
(15.24 ± 0.254)
LEAD CENTERS
4
3
SIDE VIEW
NOTES:
• Operating Temperature Range:
-55°C to +125°C
• Current Rating is based on a 50°C temperature
rise at an ambient temperature of 75°C
Note: Current is rated in both windings
0.032 (0.813)
• Dielectric Withstanding Voltage (DWV) is 1250
DIA TYP
Vrms
• Excellent electromagnetic shielding
4
• Leakage inductance is tested at pins 1-2 with
pins 3-4 shorted or at pins 3-4 with pins 1-2
shorted
• Inductance and DCR is for each side or single
winding
• Applications include reduction of AC line inter-
3
ference produced by switching power supplies
(the opposing magnetic fluxes in the core serve
to cancel in-phase noise signals appearing
across the AC line) and noise suppression of
DC circuits for switching regulators
PACKAGING SPECS:
Bulk only
1
1.0
±
0.010
(2.54
±
0.254)
LEAD CENTERS
2
in. (mm)
1.0
±
0.010
(2.54
±
0.254)
LEAD CENTERS
One Magnetics Pkwy, Gowanda, NY 14070 • (t) 716-532-2234 • (f) 716-532-2702 • sales@gowanda.com
www.gowanda.com
033014
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