Document 260-2
Common Mode Chokes - BU9, BU9H Series
Frequency range
Inductance1 Inductance difference
Impedance max
(kOhms)
@ 75% of
DCR
Current
L1,L2
L1 - L2
max (µH)
Part number
impedance max
(Ohms)
max (Aac)
min (mH)
BU9-103
BU9-282
BU9-132
BU9-601
BU9-201
60 @ 220 kHz
53 @ 410 kHz
52 @ 660 kHz
36 @ 1300 kHz
5.4 @ 1500 kHz
200 – 240 kHz
310 – 430 kHz
600 – 700 kHz
1200 – 1400 kHz
900 – 2100 kHz
3.5
1.0
0.5
0.2
0.1
0.25
0.50
0.70
1.00
1.60
10.0
2.8
1.3
0.6
0.2
200
50
50
25
25
BU9H-103
BU9H-282
BU9H-132
BU9H-601
BU9H-201
60 @ 220 kHz
53 @ 410 kHz
52 @ 660 kHz
36 @ 1300 kHz
5.4 @ 1500 kHz
200 – 240 kHz
310 – 430 kHz
600 – 700 kHz
1200 – 1400 kHz
900 – 2100 kHz
3.5
1.0
0.5
0.2
0.1
0.25
0.50
0.70
1.00
1.60
10.0
2.8
1.3
0.6
0.2
200
50
50
25
25
1. Inductance tested @ 1 kHz, 1 Vrms, and measured on Agilent/HP4284A LCR-meter or equivalent.
2. Operating temperature range −25°C to +80°C.
3. Electrical specifications at 25°C.
Typical Response
Typical Impedance
BU9
BU9H
Specifications subject to change without notice. Document 260-2 Revised 7/29/02