Schaffner-EH28-3-0-02-5M0
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Common Mode Chokes EV/EH series
DATA
SHEET
Common-mode Suppression Chokes
Rated currents up to 5 A
Broadband attenuation characteristics
Low magnetic leakage flux
UL rated materials
Approvals & Compliances
RoHS compliant
Common-mode suppression chokes are mainly
used to filter noise on AC power lines. Noise on
commercial power lines could enter the
equipment and disturb the proper function. Noise
generated by the equipment for example from
switch mode power supplies need to be filtered
and the spread of such generated noise need to be
suppressed. Common-mode suppression chokes
together with line bypass capacitors building an
AC EMI suppression filter device.
Technical Specifications
Features and Benefits
Rated currents up to 5 A
250 VAC @ 50°C
Maximum continuous operating voltage
Operating frequency
Compact and light weight
Low magnetic leakage flux
Sectional winding
DC to 400 Hz
0.3 to 5 A
Rated currents
1.5x Inominal for 1 minute, once per hour
Overcurrent
Standard foot print
3000 VAC, 60 sec, guaranteed
2000 V, 50 Hz, 2 sec, factory test
winding-to-winding @ 25°C
Broad range of available inductances and current
ratings
-25°C to +100°C (25/100/21)
UL 94 V-0
Temperature range (operation and storage)
Flammability corresponding to
Measuring frequency
Custom-specific versions
Schaffner offers you also EMI measure- ment
service to verify that your design will pass the
required safety standards
10 kHz; 5 mA <16 μH
500 μA >16 μH <160 μH;
50 μA >160 μH >16 mH;
50 mV >16 mH <160 mH
Inductance tolerance
30ꢀ
Typical Applications
Tolerance max.
15ꢀ @ 25°C; ꢁ20 mꢂ, 1 A;
>20 mꢂ ꢁ200 mꢂ, 100 mA; >200 mꢂ ꢁ2 V, 10 mA
Resistance
Input filters for switch mode power supplies
Filters to reduce leaking noise
TVs, VCRs, multimedia and audio equipment
Office automation, communications and other
electronic devices
@ 25°C
2°C
Electrical characteristics
>5,000,000 hours
MTBF @ 40°C/230 V (Mil-HB-217F)
Electric ballast
AC/AC converters
Typical electrical schematic
2
Common Mode Chokes
Schaffner Group
D
A
TA
SHEET 11.
Oct 2022
Choke Selection Table
EH choke
Buy
(EH)
EV choke
Buy
(EV)
L nominal
(±±30)
[mH]
33
DC resistance
Rated current
Weight
R
[mΩ]
1780
725
245
168
127
72
I (53°C)
[A]
0.3
0.5
0.8
1.0
1.2
1.5
2.0
0.5
0.8
1.0
1.5
2.0
3.0
4.0
1.0
1.0
1.5
1.5
2.0
2.0
3.0
3.0
4.0
4.0
5.0
1.0
2.0
3.0
4.0
5.0
[g]
10
10
10
10
10
10
10
18
18
18
18
18
18
18
31
31
31
31
33
31
31
31
31
31
31
70
70
70
70
70
EV20-0.3-02-33M
EV20-0.5-02-18M
EV20-0.8-02-5M6
EV20-1.0-02-3M9
EV20-1.2-02-3M3
EV20-1.5-02-1M8
EV20-2.0-02-0M8
EV24-0.5-02-44M
EV24-0.8-02-18M
EV24-1.0-02-10M
EV24-1.5-02-4M5
EV24-2.0-02-2M5
EV24-3.0-02-1M2
EV24-4.0-02-0M5
EH20-0.3-02-33M
EH20-0.5-02-18M
EH20-0.8-02-5M6
EH20-1.0-02-3M9
EH20-1.2-02-3M3
EH20-1.5-02-1M8
EH20-2.0-02-0M8
EH24-0.5-02-44M
EH24-0.8-02-18M
EH24-1.0-02-10M
EH24-1.5-02-4M5
EH24-2.0-02-2M5
EH24-3.0-02-1M2
EH24-4.0-02-0M5
EH28-1.0-02-75M-X
EH28-1.0-02-36M
EH28-1.5-02-27M-X
EH28-1.5-02-20M
EH28-2.0-02-15M-X
EH28-2.0-02-11M
EH28-3.0-02-9M0-X
EH28-3.0-02-5M0
EH28-4.0-02-3M5-X
EH28-4.0-02-2M3
EH28-5.0-02-1M1
EH35-1.0-02-90M
EH35-2.0-02-20M
EH35-3.0-02-10M
EH35-4.0-02-5M0
EH35-5.0-02-3M6
18
5.6
3.9
3.3
1.8
0.82
44
38
1250
438
244
116
62
18
10
4.5
2.5
1.2
0.5
75
29
16
880
591
282
282
196
162
115
79
EV28-1.0-02-36M
EV28-1.5-02-27M-X
EV28-1.5-02-20M
36
27
20
15
EV28-2.0-02-11M
EV28-3.0-02-9M0-X
EV28-3.0-02-5M0
11
9
5
3.5
2.3
1.1
90
52
EV28-4.0-02-2M3
EV28-5.0-02-1M1
EV35-1.0-02-90M
EV35-2.0-02-20M
EV35-3.0-02-10M
EV35-4.0-02-5M0
EV35-5.0-02-3M6
40
27
628
150
72
20
10
5
53
3.6
33
All wires rated 130°C or higher.
Distribution Inventory
Up-to-date inventory levels for global distributors is available at
3
Common Mode Chokes
Schaffner Group
D
A
TA
SHEET 11.
Oct 2022
Typical Choke Attenuation
Per CISPR 17; 50 Ω/50 Ω asym
EV/EH 20 types
EV/EH 24 types
EV/EH 28 types
A = 44 mH; B = 18 mH; C = 10 mH
D = 5.5 mH; E = 2.5 mH; F = 1.2 mH
G = 0.5 mH
A = 33 mH; B = 18 mH; C = 5.6 mH
D = 3.9 mH; E = 3.3 mH; F = 1.8 mH
G = 0.8 mH
A = 36 mH; B = 20 mH; C = 11 mH
D = 5 mH; E = 2.3 mH; F = 1.1 mH
EV/EH 28 X types
EV/EH 35 types
A = 90 mH; B = 20 mH; C = 10 mH
D = 5 mH; E = 3.6 mH
A = 75 mH; B = 27 mH; C = 15 mH
D = 9 mH; E = 3.5 mH
4
Common Mode Chokes
Schaffner Group
D
A
TA
SHEET 11.
Oct 2022
Mechanical Data
EV 20
EV 35
EV 24 and 28
EH 20 to 35
Dimensions
EV 23
EV 24
24.6
17.4
29.1
4
EV 28
29.2
21
EV ±5
36
EH 23
21
EH 24
24
EH 28
28
EH±5
36
T
o
lerances
21
1
A
B
C
D
E
16
25.5
42.7
4
21
24
28
36
1
25*
4
34.7
4
17.8
4
20
22.9
4
27.7
4
1
4
1
Ø0.8
13
Ø0.8
13
Ø0.8
13
Ø1.2
21
Ø0.8
13
Ø0.8
21
Ø0.8
24
Ø1.0
30
0.1
0.5
0.5
F
10
10
10
15
10
15
20
25
G
All dimensions in mm; 1 inch = 25.4 mm
* Tolarance is +1/-2 mm
5
Common Mode Chokes
Schaffner Group
D
A
TA
SHEET 11.
Oct 2022
Headquarters, Global
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