BU9-103R25BL Datasheet, PDF (3/6 Pages) Coilcraft lnc. – Common Mode Chokes

Document 260-3
Common Mode Chokes - BU9S, BU9HS Series
Part number
BU9S-153R15BL
BU9S-7020R3BL
BU9HS-153R15BL
BU9HS-7020R3BL
Impedance max
(kOhms)
71 @ 210 kHz
66 @ 330 kHz
71 @ 210 kHz
66 @ 330 kHz
Frequency range
@ 75% of
impedance max
190 – 230 kHz
300 – 360 kHz
190 – 230 kHz
300 – 360 kHz
DCR¹
(Ohms)
5.0
2.5
5.0
2.5
Current
max (Aac)
0.15
0.30
0.15
0.30
Inductance²
L1, L2
min (mH)
15.0
7.0
15.0
7.0
1. DCR is per winding
2. Inductance tested at 1 kHz, 1 Vrms, 0 Adc on an Agilent/HP 4284A LCR-meter or equivalent.
3. 1000 Vrms typical isolation between windings.
4. Electrical specifications at 25°C.
Inductance difference
L1 - L2
max (µH)
300
200
300
200
Typical Attenuation
Typical Impedance
BU9S
0.43
11,0
max
Dot
indicates
pin 1
0.69 _max
17,5
BU9HS
01.56,15 _max
0.69 _max
17,5
0.157 ±0.04
4,0 ±1,0
0.67
17,0
max
2
1
0.276 ±0.02
7,0 ±0,5
0.00,264_Æ
2
3
0.276 ±0.02
7,0 ±0,5
1
4
0.31 ±0.02
8,0 ±0,5
Recommended
Board Layout
0.040
1,0
Æ
1
4
0.31 ±0.02
8,0 ±0,5
1
4
2
3
1
4
2
3
0.157 ±0.04
4,0 ±1,0
0.49
12,5
max
2
1
0.276 ±0.02
7,0 ±0,5
0.43
11,0
max
1
4
Dot
indicates
pin 1 0.31 ±0.02
8,0 ±0,5
0.00,264_Æ
1
4
2
3
0.276 ±0.02
7,0 ±0,5
1
4
0.31 ±0.02
2
3
8,0 ±0,5
Recommended
0.040
1,0
Æ
Board Layout
1
4
2
3
© Coilcraft, Inc. 2009
Specifications subject to change without notice.
Please check our website for latest information.
Document 260-3 Revised 09/09/09