BU Series
Common Mode Chokes

• Models for power circuits and signal line applications
• Significant noise attenuation over a wide range of frequencies
• Compact size and light weight
• Independent windings allow use in high-voltage signal lines
• RoHS-compliant. Tin-silver over copper terminations.

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Signal Line Applications
	BU9S-153R15BL	71 @ 210 kHz	190 – 230 kHz	5.0	0.15
	BU9S-7020R3BL	66 @ 330 kHz	300 – 360 kHz	2.5	0.30
Power Circuit Applications
	BU16-4530R5BL	285 @ 150 kHz	140 – 160 kHz	2.3	0.50
	BU16-2530R7BL	120 @ 200 kHz	160 – 220 kHz	1.3	0.70
	BU16-1031R0BL	60 @ 320 kHz	260 – 390 kHz	0.5	1.00
	BU16-4021R5BL	20 @ 470 kHz	360 – 600 kHz	0.3	1.50
	BU16-2022R0BL	11 @ 690 kHz	450 – 900 kHz	0.2	2.00
	BU15-4530R4BL	400 @ 220 kHz	210 - 230 kHz	3.0	0.40
	BU15-1430R7BL	115 @ 470 kHz	400 – 650 kHz	1.0	0.70
	BU15-7521R0BL	60 @ 600 kHz	420 – 720 kHz	0.6	1.00
	BU15-4421R3BL	36 @ 670 kHz	430 – 1000 kHz	0.3	1.30
	BU15-2721R6BL	20 @ 1000 kHz	510 – 1400 kHz	0.2	1.60
	BU10-1811R2BL	3.9 @ 1800 kHz	1000 – 3200 kHz	0.20	1.20
	BU10-1311R6BL	2.2 @ 2200 kHz	800 – 5000 kHz	0.12	1.60
	BU10-1012R2BL	1.6 @ 3100 kHz	1300 – 8900 kHz	0.08	2.20
	BU10-6003R0BL	1.0 @ 3000 kHz	800 – 10000 kHz	0.04	3.00
	BU9-103R25BL	60 @ 220 kHz	200 – 240 kHz	3.5	0.25
	BU9-2820R5BL	53 @ 410 kHz	310 – 430 kHz	1.0	0.50
	BU9-1320R7BL	52 @ 660 kHz	600 – 700 kHz	0.5	0.70
	BU9-6011R0BL	36 @ 1300 kHz	1200 – 1400 kHz	0.2	1.00
	BU9-2011R6BL	5.4 @ 1500 kHz	900 – 2100 kHz	0.1	1.60