BU9-103R25BL_13 Datasheet, PDF (5/6 Pages) Coilcraft lnc. – Common Mode Chokes

Document 260-5
Common Mode Chokes - BU15 Series


Impedance max
Part number
(kOhms)
Frequency range
@ 75% of
  _DCR1
Current
impedance max
(Ohms) max (Aac)
BU15-4530R4BL 400 @ 230 kHz   140 – 160 kHz
3.0
0.40
BU15-1430R7BL 115 @ 470 kHz   400 – 650 kHz
1.0
0.70
BU15-7521R0BL
60 @ 600 kHz   420 – 720 kHz
0.6
1.00
BU15-4421R3BL
36 @ 670 kHz   430 – 1000 kHz
0.3
1.30
BU15-2721R6BL
20 @ 1000 kHz   510 – 1400 kHz
0.2
1.60
1. DCR is per winding
2. Inductance tested at 1 kHz, 1Vrms, 0 Adc on an Agilent/HP 4284A LCR-meter or equivalent.
3. 1000Vrms 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
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
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Document 260-5  Revised 08/06/13
© Coilcraft Inc. 2013
This product may not be used in medical or high
risk applications without prior Coilcraft approval.
Specification subject to change without notice.
Please check web site for latest information.