RFI suppression Chokes EV/EH series Common-mode Suppression Chokes
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Rated currents up to 5A Broadband attenuation characteristics n Low magnetic leakage flux n UL rated materials n RoHS compliant
Technical specifications
Maximum continuous operating voltage: Operating frequency: Rated currents: Overcurrent: High potential test voltage winding-to-winding @ 25°C: Temperature range (operation and storage): Flammability corresponding to: Test conditions Measuring frequency: Resistance: Electrical characteristics: 250VAC @ 50°C dc to 400Hz @ 50°C 0.3 to 5A 1.5x Inominal for 1 minute, once per hour 3000VAC, 60 sec, guaranteed 2000V, 50Hz, 2 sec, factory test -25°C to +100°C (25/100/21) UL 94V-0
Typical electrical schematic
1 2
4
3
10kHz; 5mA < 16μH; 500μA > 16μH < 160μH; 50μA > 160μH > 16mH; 50mV > 16mH < 160mH Inductance tolerance ±30% Tolerance max. ±15% @ 25°C; ≤ 20mΩ, 1A; > 20mΩ ≤ 200mΩ, 100mA; > 200mΩ ≤ 2V, 10mA @ 25°C ±2°C
Features and benefits 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.
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Typical applications
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Rated currents up to 5A. Compact and light weight. Low magnetic leakage flux. Sectional winding. Standard foot print. Broad range of available inductances and
Input filters for switch mode power
supplies
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Filters to reduce leaking noise TVs, VCRs, multimedia and audio
equipment
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Office automation, communications and
current ratings.
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other electronic devices
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Custom-specific versions. Schaffner offers you also EMI measure-
Electric ballast AC/AC converters
ment service to verify that your design will pass the required safety standards.
Free Datasheet http://www.datasheet-pdf.com/
> Components > EV/EH series
Choke selection table
EV choke EH choke EV 20-0.3-02-33M EH 20-0.3-02-33M EV 20-0.5-02-18M EH 20-0.5-02-18M EV 20-0.8-02-5M6 EH 20-0.8-02-5M6 EV 20-1.0-02-3M9 EH 20-1.0-02-3M9 EV 20-1.2-02-3M3 EH 20-1.2-02-3M3 EV 20-1.5-02-1M8 EH 20-1.5-02-1M8 EV 20-2.0-02-0M8 EH 20-2.0-02-0M8 EV 24-0.5-02-44M EH 24-0.5-02-44M EV 24-0.8-02-18M EH 24-0.8-02-18M EV 24-1.0-02-10M EH 24-1.0-02-10M EV 24-1.5-02-4M5 EH 24-1.5-02-4M5 EV 24-2.0-02-2M5 EH 24-2.0-02-2M5 EV 24-3.0-02-1M2 EH 24-3.0-02-1M2 EV 24-4.0-02-0M5 EH 24-4.0-02-0M5 EV 28-1.0-02-36M EH 28-1.0-02-36M EV 28-1.5-02-20M EH 28-1.5-02-20M EV 28-2.0-02-11M EH 28-2.0-02-11M EV 28-3.0-02-5M0 EH 28-3.0-02-5M0 EV 28-4.0-02-2M3 EH 28-4.0-02-2M3 EV 28-5.0-02-1M1 EH 28-5.0-02-1M1 EV 35-1.0-02-90M EH 35-1.0-02-90M EV 35-2.0-02-20M EH 35-2.0-02-20M EV 35-3.0-02-10M EH 35-3.0-02-10M EV 35-4.0-02-5M0 EH 35-4.0-02-5M0 EV 35-5.0-02-3M6 EH 35-5.0-02-3M6
All wires rated 130°C or higher.
L nominal (±30%)
DC resistance R
Rated current I (50°C)
Weight
[mH] [mΩ] 33 1780 18 725 5.6 245 3.9 168 3.3 127 1.8 72 0.82 38 44 1250 18 438 10 244 4.5 116 2.5 62 1.2 29 0.5 16 36 591 20 282 11 162 5 79 2.3 40 1.1 27 90 628 20 150 10 72 5 53 3.6 33
[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 1.5 2.0 3.0 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 31 31 70 70 70 70 70
Typical choke attenuation Per CISPR 17; 50Ω/50Ω asym EV/EH 20 types EV/EH 24 types EV/EH 28 types EV/EH 35 types
Free Datasheet http://www.datasheet-pdf.com/
> Components > EV/EH series
Mechanical data EV 20
1 4
EV 24 and 28
1 B 4
B
2
A
3
2
A
3
C
C
D F E E G F
D G
EV 35
1 4
EH 20 to 35
1 4
B B 2 A 3
2
A
3
C C
F
E
D G F
E D G
Dimensions
EV 20 EV 24 EV 28 EV 35 EH 20 EH 24 EH 28 EH35 Tolerances
A B C D E F G
21 24.6 29.2 36 21 24 28 36 ±1 16 17.4 21 24.5 21 24 28 36 ±1 25* 29.1 34.7 42.7 17.8 20 22.9 27.7 ±1 4 4 4 4 4 4 4 4 ±1 Ø0.8 Ø0.8 Ø0.8 Ø1.2 Ø0.8 Ø0.8 Ø0.8 Ø1.0 ±0.1 13 13 13 21 13 21 24 30 ±0.5 10 10 10 15 10 15 20 25 ±0.5
All dimensions in mm; 1 inch = 25.4mm * Tolarance is +1/-2mm
Your local partner: To find your local partner within Schaffner’s global network, please go to www.schaffner.com
June 2011
Free Datasheet http://www.datasheet-pdf.com/
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