BU9-103R25BL Datasheet, PDF (5/6 Pages) Coilcraft lnc. – Common Mode Chokes

Document 260-5
Common Mode Chokes - BU15 Series
Part number
BU15-4530R4BL
BU15-1430R7BL
BU15-7521R0BL
BU15-4421R3BL
BU15-2721R6BL
Impedance max
(kOhms)
400 @ 230 kHz
115 @ 470 kHz
60 @ 600 kHz
36 @ 670 kHz
20 @ 1000 kHz
Frequency range
@ 75% of
impedance max
140 – 160 kHz
400 – 650 kHz
420 – 720 kHz
430 – 1000 kHz
510 – 1400 kHz
DCR¹
(Ohms)
3.0
1.0
0.6
0.3
0.2
Current
max (Aac)
0.40
0.70
1.00
1.30
1.60
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.
Inductance²
L1, L2
min (mH)
45.0
14.0
7.5
4.4
2.7
Inductance difference
L1 - L2
max (µH)
300
300
150
100
60
Typical Attenuation
Typical Impedance
0.75
19,0
max
Dot
indicates
pin 1
0.91
23,0
max
0.177 ±0.04
4,5 ±1,0
1.08
27,5
max
0.028
0,7
Æ
2
1
0.40 ±0.02
10,0 ±0,5
1
2
4
3
1
4
0.51 ±0.02
13,0 ±0,5
1
4
2
3
Recommended
Board Layout
2
3
0.40 ±0.02
10,0 ±0,5
1
4
0.51 ±0.02
13,0 ±0,5
0.047
1,2
Æ
© Coilcraft, Inc. 2009
Specifications subject to change without notice.
Please check our website for latest information.
Document 260-5 Revised 09/09/09