BU9-103R25BL Datasheet, PDF (2/6 Pages) Coilcraft lnc. – Common Mode Chokes

Document 260-2
Common Mode Chokes - BU9, BU9H Series
Part number
BU9-103R25BL
BU9-2820R5BL
BU9-1320R7BL
BU9-6011R0BL
BU9-2011R6BL
BU9H-103R25BL
BU9H-2820R5BL
BU9H-1320R7BL
BU9H-6011R0BL
BU9H-2011R6BL
Impedance max
(kOhms)
60 @ 220 kHz
53 @ 410 kHz
52 @ 660 kHz
36 @ 1300 kHz
5.4 @ 1500 kHz
60 @ 220 kHz
53 @ 410 kHz
52 @ 660 kHz
36 @ 1300 kHz
5.4 @ 1500 kHz
Frequency range
@ 75% of
impedance max
200 – 240 kHz
310 – 430 kHz
600 – 700 kHz
1200 – 1400 kHz
900 – 2100 kHz
200 – 240 kHz
310 – 430 kHz
600 – 700 kHz
1200 – 1400 kHz
900 – 2100 kHz
DCR¹
(Ohms)
3.5
1.0
0.5
0.2
0.1
3.5
1.0
0.5
0.2
0.1
Current
max (Aac)
0.25
0.50
0.70
1.00
1.60
0.25
0.50
0.70
1.00
1.60
Inductance²
L1, L2
min (mH)
10.0
2.8
1.3
0.6
0.2
10.0
2.8
1.3
0.6
0.2
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)
200
50
50
25
25
200
50
50
25
25
Typical Attenuation
Typical Impedance
BU9
0.43
11,0
max
Dot
indicates
pin 1
0.69 _max
17,5
BU9H
0.61
15,5
max
0.69 _max
17,5
0.157 ±0.04
4,0 ±1,0
2
1
0.276 ±0.02
7,0 ±0,5
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
0.67
17,0
max
1
4
0.31 ±0.02
8,0 ±0,5
1
4
0.00,264_Æ
2
3
1
2
2
1
0.276 ±0.02
7,0 ±0,5
0.43
11,0
max
0.157 ±0.04
4,0 ±1,0
Dot
indicates
pin 1
1
4
0.31 ±0.02
8,0 ±0,5
0.49
12,5
max
0.024
0,6
Æ
1
4
2
3
0.276 ±0.02
7,0 ±0,5
1
4
0.31 ±0.02
8,0 ±0,5
0.040
1,0
Æ
2
3
Recommended
Board Layout
1
2
4
3
4
3
Specifications subject to change without notice.
Please check our website for latest information.
Document 260-2 Revised 09/09/09
© Coilcraft, Inc. 2009