BU9 BU9H BU9S BU9HS BU10 BU15 BU16 common mode chokes for signal line and power applications

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Application Notes

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Designer's Kits

BU Series
Power Line Common Mode Chokes

Significant noise attenuation over a wide range of frequencies

Compact size and light weight

Independent windings allow use in high-voltage signal lines

1000 Vrms, one minute isolation (hipot) between windings

Refer to Designing Common Mode Filters for design guidance.

RoHS-compliant. Tin-silver over copper terminations.

SPECIFICATIONS

Part number
Click for camples

Common mode
peak impedance
(kOhms)

Inductance1
min (mH)

DCR max2
(Ohms)

Isolation3
(Vrms)

Current
max (A)

BU16-4530R5BL

269.6 @ 130 kHz

2.3

1000

0.50

BU16-2530R7BL

208.3 @ 190 kHz

1.3

1000

0.70

BU16-1031R0BL

57.14 @ 310 kHz

0.5

1000

1.00

BU16-4021R5BL

26.26 @ 470 kHz

4.0

0.3

1000

1.50

BU16-2022R0BL

14.47 @ 720 kHz

2.0

0.2

1000

2.00

BU15-4530R4BL

398.7 @ 130 kHz

3.0

1000

0.40

BU15-1430R7BL

70.58 @ 240 kHz

1.0

1000

0.70

BU15-7521R0BL

43.05 @ 340 kHz

7.5

0.6

1000

1.00

BU15-4421R3BL

41.14 @ 510 kHz

4.4

0.3

1000

1.30

BU15-2721R6BL

32.22 @ 620 kHz

2.7

0.2

1000

1.60

BU10-1811R2BL

5.27 @ 1200 kHz

0.18

0.20

1000

1.20

BU10-1311R6BL

3.60 @ 1200 kHz

0.13

0.12

1000

1.60

BU10-1012R2BL

1.88 @ 1500 kHz

0.10

0.08

1000

2.20

BU10-6003R0BL

1.15 @ 2100 kHz

0.06

0.04

1000

3.00

BU9-103R25BL

123.5 @ 250 kHz

3.5

1000

0.25

BU9-2820R5BL

25.12 @ 660 kHz

2.8

1.0

1000

0.50

BU9-1320R7BL

17.33 @ 910 kHz

1.3

0.5

1000

0.70

BU9-6011R0BL

5.43 @ 2100 kHz

0.6

0.2

1000

1.00

BU9-2011R6BL

3.62 @ 4000 kHz

0.2

0.1

1000

1.60

BU9H-103R25BL

148.2 @ 230 kHz

3.5

1000

0.25

BU9H-2820R5BL

29.76 @ 600 kHz

2.8

1.0

1000

0.50

BU9H-1320R7BL

12.31 @ 980 kHz

1.3

0.5

1000

0.70

BU9H-6011R0BL

5.47 @ 2000 kHz

0.6

0.2

1000

1.00

BU9H-2011R6BL

4.43 @ 2700 kHz

0.2

0.1

1000

1.60

BU9S-153R15BL

105.7 @ 200 kHz

5.0

1000

0.15

BU9S-7020R3BL

59.8 @ 370 kHz

7.0

2.5

1000

0.30

BU9HS-153R15BL

146.5 @ 220 kHz

5.0

1000

0.15

BU9HS-7020R3BL

61.9 @ 380 kHz

7.0

2.5

1000

0.30

Inductance tested at 1 kHz, 1 Vrms, and it is measured on Agilent/HP 4263B LCR meter or equivalent.

DCR is per winding measured at 25°C. For other operating temperatures, use this DCR at Temperature calculator.

Interwinding isolation (hipot) tested for one minute.

Operating temperature range −40°C to +125°C

Electrical specifications at 25°C.

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BU Series Power Line Common Mode Chokes

SPECIFICATIONS

BU Series
Power Line Common Mode Chokes