document 260-1 specifications subject to change without notice. document 260-1 revised 4/19/02 common mode chokes - bu series these low cost, high efficiency choke coils are designed to virtually eliminate line conducted common mode noise. the bu9s and bu9hs families are ideal for signal line applications; the others can be used in switching power supplies and power supply circuits. all provide signifi- cant attenuation of common mode noise across a broad range of frequencies. for height-restricted applications, the bu9 and bu9s filters are available in a horizontal configuration, which reduces their height to under half an inch (12.5 mm). for free evaluation samples, contact coilcraft or request them on-line at www.coilcraft.com.
document 260-2 common mode chokes - bu9, bu9h series frequency range inductance 1 inductance difference impedance max @ 75% of dcr current l1, l2 l1 - l2 part number (kohms) impedance max (ohms) max (aac) min (mh) max (h) bu9-103r25b 60 @ 220 khz 200 ? 240 khz 3.5 0.25 10.0 200 bu9-2820r5b 53 @ 410 khz 310 ? 430 khz 1.0 0.50 2.8 50 bu9-1320r7b 52 @ 660 khz 600 ? 700 khz 0.5 0.70 1.3 50 bu9-6011r0b 36 @ 1300 khz 1200 ? 1400 khz 0.2 1.00 0.6 25 bu9-2011r6b 5.4 @ 1500 khz 900 ? 2100 khz 0.1 1.60 0.2 25 bu9h-103r25b 60 @ 220 khz 200 ? 240 khz 3.5 0.25 10.0 200 bu9h-2820r5b 53 @ 410 khz 310 ? 430 khz 1.0 0.50 2.8 50 bu9h-1320r7b 52 @ 660 khz 600 ? 700 khz 0.5 0.70 1.3 50 bu9h-6011r0b 36 @ 1300 khz 1200 ? 1400 khz 0.2 1.00 0.6 25 bu9h-2011r6b 5.4 @ 1500 khz 900 ? 2100 khz 0.1 1.60 0.2 25 1. inductance tested @ 1 khz, 1 vrms, and measured on agilent/hp4284a lcr-meter or equivalent. 2. operating temperature range ? 25c to +80c. 3. electrical specifications at 25c. typical response typical impedance bu9 bu9h specifications subject to change without notice. document 260-2 revised 9/16/02
document 260-3 common mode chokes - bu9s, bu9hs series frequency range inductance 1 inductance difference impedance max @ 75% of dcr current l1, l2 l1 - l2 part number (kohms) impedance max (ohms) max (aac) min (mh) max (h) bu9s-153r15b 71 @ 210 khz 190 ? 230 khz 5.0 0.15 15.0 300 bu9s-7020r3b 66 @ 330 khz 300 ? 360 khz 2.5 0.30 7.0 200 bu9hs-153r15b 71 @ 210 khz 190 ? 230 khz 5.0 0.15 15.0 300 bu9hs-7020r3b 66 @ 330 khz 300 ? 360 khz 2.5 0.30 7.0 200 1. inductance tested @ 1 khz, 1 vrms, and measured on agilent/hp4284a lcr-meter or equivalent. 2. operating temperature range ? 25c to +80c. 3. electrical specifications at 25c. typical response typical impedance bu9s bu9hs specifications subject to change without notice. document 260-3 revised 9/16/02
common mode chokes - bu10 series document 260-4 specifications subject to change without notice. document 260-4 revised 9/16/02 frequency range inductance 1 inductance difference impedance max @ 75% of dcr current l1, l2 l1 - l2 part number (kohms) impedance max (ohms) max (aac) min (mh) max (h) bu10-1811r2b 3.9 @ 1.8 mhz 1000 ? 3200 khz 0.20 1.20 0.18 30 BU10-1311R6B 2.2 @ 2.2 mhz 800 ? 2000 khz 0.12 1.60 0.13 20 bu10-1012r2b 1.6 @ 3.1 mhz 1300 ? 8900 khz 0.08 2.20 0.10 15 bu10-6003r0b 1.0 @ 3.0 mhz 800 ? 10000 khz 0.04 3.00 0.06 10 1. inductance tested @ 1 khz, 1 vrms, and measured on agilent/hp4284a lcr-meter or equivalent. 2. operating temperature range ? 25c to +80c. 3. electrical specifications at 25c. typical response typical impedance
common mode chokes - bu15 series document 260-5 specifications subject to change without notice. document 260-5 revised 9/16/02 frequency range inductance 1 inductance difference impedance max @ 75% of dcr current l1, l2 l1 - l2 part number (kohms) impedance max (ohms) max (aac) min (mh) max (h) bu15-4530r4b 400 @ 230 khz 140 ? 160 khz 3.0 0.40 45.0 300 bu15-1430r7b 115 @ 470 khz 400 ? 650 khz 1.0 0.70 14.0 300 bu15-7521r0b 60 @ 600 khz 420 ? 720 khz 0.6 1.00 7.5 150 bu15-4421r3b 36 @ 670 khz 430 ? 1000 khz 0.3 1.30 4.4 100 bu15-2721r6b 20 @ 1000 khz 510 ? 1400 khz 0.2 1.60 2.7 60 1. inductance tested @ 1 khz, 1 vrms, and measured on agilent/hp4284a lcr-meter or equivalent. 2. operating temperature range ? 25c to +80c. 3. electrical specifications at 25c. typical response typical impedance
common mode chokes - bu16 series document 260-6 specifications subject to change without notice. document 260-6 revised 9/16/02 frequency range inductance 1 inductance difference impedance max @ 75% of dcr current l1, l2 l1 - l2 part number (kohms) impedance max (ohms) max (aac) min (mh) max (h) bu16-4530r5b 285 @ 150 khz 140 ? 160 khz 2.3 0.50 45.0 900 bu16-2530r7b 120 @ 200 khz 160 ? 220 khz 1.3 0.70 25.0 500 bu16-1031r0b 60 @ 320 khz 260 ? 390 khz 0.5 1.00 10.0 200 bu16-4021r5b 20 @ 470 khz 360 ? 600 khz 0.3 1.50 4.0 80 bu16-2022r0b 11 @ 690 khz 450 ? 900 khz 0.2 2.00 2.0 50 1. inductance tested @ 1 khz, 1 vrms, and measured on agilent/hp4284a lcr-meter or equivalent. 2. operating temperature range ? 25c to +80c. 3. electrical specifications at 25c. typical response typical impedance
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