COMMON MODE CHOKES
ET28

POWER MAGNETICS (OLD) | Back

COMMON MODE CHOKES ET28
ET28H Series

 POWER MAGNETICS (OLD) | Back

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  • For noise suppresion in SMPS.
  • Double square closed magnetic path circuit for
    minimal flux leakage.
  • Small size & high impedance at high frequencies.
  • Construction provides 3 mm creepage between coils.
  • Dielectric strength of 1800 Vrms between windings.
STANDARD Z RANGE - ET28 5K
FALCO PART NUMBER RoHS Part Number L (mH)1
MIN		 Freq.
(KHz)		 LL(mH)2
MAX		 DCR (W)
MAX		 I rms (Amp)3
MAX		 SRF(KHz)
typ.
 ET2814 68.00 1.0 1800.0 2.088 0.50 175.0

MEDIUM Z RANGE - ET28 7K
FALCO PART NUMBER RoHS Part Number L (mH)1
MIN		 Freq.
(KHz)		 LL(mH)2
MAX		 DCR (W)
MAX		 I rms (Amp)3
MAX		 SRF(KHz)
typ.
 ET2801 20.00 10.0 --- 0.41 1.50 320.0

HIGH Z RANGE - ET28 10K
FALCO PART NUMBER RoHS Part Number L (mH)1
MIN		 Freq.
(KHz)		 LL(mH)2
MAX		 DCR (W)
MAX		 I rms (Amp)3
MAX 		SRF(KHz)
typ.
 ET2804 1.00 10.0 24.2 0.029 3.40 ---
 ET2805 1.50 10.0 33.0 0.035 3.10 ---
 ET2806 2.70 10.0 55.0 0.048 2.60 ---
 ET2807 3.30 10.0 66.8 0.056 2.50 ---
 ET2808 4.70 10.0 103.2 0.089 2.00 ---
 ET2809 8.20 10.0 174.0 0.144 1.70 ---
 ET2803 10.50 10.0 200.0 0.150 2.80 680.0
 ET2802 18.00 10.0 300.0 0.360 1.30 350.0
 ET2811 22.00 10.0 238.0 0.285 1.00 533.0
 ET2812 39.00 10.0 790.0 0.600 0.70 ---
 ET2813 68.00 10.0 1374.0 0.998 0.50 ---


1.Inductance L tested at 0.25 V. *Tested at 0.1 V.
2.LL tested at 10 KHz & 0.25 V.
3.Temperature rise is 45°C Typ at rated current.
4.Operating Temp. range -25°C to +115°C.
5.L and DCR tested at Ta= 25°C.

COMMON MODE CHOKES ET28
ET28V Series

 POWER MAGNETICS (OLD) | Back

PDF File PDF File
  • For noise suppresion in SMPS.
  • Double square closed magnetic path circuit for minimal flux leakage.
  • Small size&high impedanceat high frequencies.
  • Construction provides 3 mm creepage between coils.
  • Dielectric strength of 2400 Vrms between windings.

MEDIUM Z RANGE - ET28 7K
FALCO PART
NUMBER		 RoHS Part Number L (mH)1
MIN		 Freq.
(KHz)		 DCR (W) MAX I rms (Amp)2
MAX		 SRF(KHz)
typ.
 ET2815 20.00 1.0 0.410 1.5 350



1.Inductance L tested at 1.0V.
2.LL tested at 1KHz & 1.0V.
3.Temperature rise is 45°C Typ at Irms.
4.Operating Temp. range -25°C to +105°C.
5.L and DCR tested at Ta= 25°C.