FERRITE CERAMICS
DATA SH EET
Product specification
Supersedes data of 1998 Apr 07
File under Ferrite Ceramics, MA01
2000 Apr 20
EMI-suppression beads
Soft Ferrites
2000 Apr 20 2
Philips Components Product specification
Soft Ferrites EMI-suppression beads
EMI-SUPPRESSION BEADS
Colour marking: 4S2 has a flash of yellow paint.
Fig.1 EMI suppression bead.
For dimensions see Table 1.
handbook, halfpage
,,,,
,,,,
,,,,
d
D
L
MBA034
Table 1 Grades, parameters and type numbers; see Fig.1
Note
1. Typical values at 100 MHz, Zmin is −20%.
GRADE
Ztyp(Ω)(1) DIMENSIONS
(mm) TYPE NUMBERat frequency (MHz)
1 3 10 25 30 100 300 D d L
3S1 24 48 49 −39 33 29 3 ±0.1 0.7 +0.1 4 ±0.2 BD3/0.7/4-3S1
18 36 38 −30 25 23 3 ±0.1 1 +0.1/−0.05 4 ±0.2 BD3/1/4-3S1
41 90 91 −74 63 55 3 ±0.1 1 +0.1/−0.05 10 ±0.3 BD3/1/10-3S1
34 65 66 −53 45 40 5.1 −0.3 0.75 +0.1 4 ±0.2 BD5.1/0.8/4-3S1
16 28 40 −33 28 25 5.1 −0.3 1.5 +0.15 4 ±0.2 BD5.1/1.5/4-3S1
50 90 100 −80 69 60 5.1 −0.3 1.5 +0.15 10 ±0.3 BD5.1/1.5/10-3S1
13 23 30 −25 21 19 5.1 −0.3 2 +0.2 4 ±0.2 BD5.1/2/4-3S1
36 64 76 −61 53 46 5.1 −0.3 2 +0.2 10 ±0.3 BD5.1/2/10-3S1
4S2 72035 −54 69 76 1.9 +0.2 0.8 +0.2 9.75 −0.2 BD1.9/0.8/9.8-4S2
41123 −31 48 54 3 ±0.1 1 +0.1/−0.05 4 ±0.2 BD3/1/4-4S2
−−−27 −40 −3.5 ±0.2 1.3 ±0.1 3.25 ±0.25 BD3.5/1.3/3.3-4S2
−−−47 −60 −3.5 ±0.2 1.3 ±0.1 6 ±0.25 BD3.5/1.3/6-4S2
−−−89 −125 −3.5 ±0.2 1.3 ±0.1 12.7 ±0.35 BD3.5/1.3/13-4S2
15 50 94 −138 213 238 5.1 −0.3 0.75 +0.1 10 ±0.3 BD5.1/0.8/10-4S2
41325 −34 51 59 5.1 −0.3 1.5 +0.15 4 ±0.2 BD5.1/1.5/4-4S2
93156 −85 130 145 5.1 −0.3 1.5 +0.15 10 ±0.3 BD5.1/1.5/10-4S2
31019 −25 40 45 5.1 −0.3 2 +0.2 4 ±0.2 BD5.1/2/4-4S2
−−34 −−78 −5.1 −0.3 2 +0.2 7.1 ±0.2 BD5.1/2/7.1-4S2
81938 −64 100 111 5.1 −0.3 2 +0.2 10 ±0.3 BD5.1/2/10-4S2
−−−135 −200 −6.35 ±0.15 2.95 +0.45 25.4 ±0.75 BD6.4/3/25-4S2
−−−63 −92 −7.65 −0.25 2.25 +0.25 7.55 ±0.25 BD7.7/2.3/7.6-4S2
51325 −39 61 69 8 ±0.2 2 +0.2 4 ±0.2 BD8/2/4-4S2
31019 −28 43 48 8 ±0.2 3 +0.2 4 ±0.2 BD8/3/4-4S2
82550 −69 106 119 8 ±0.2 3 +0.2 10 ±0.3 BD8/3/10-4S2
2000 Apr 20 3
Philips Components Product specification
Soft Ferrites EMI-suppression beads
DATA SHEET STATUS DEFINITIONS
DISCLAIMER
Life support applications These products are not designed for use in life support appliances, devices, or systems
where malfunction of these products can reasonably be expected to result in personal injury. Philips Components
customers using or selling these products for use in such applications do so at their own risk and agree to fully indemnify
Philips Components for any damages resulting from such application.
PRODUCT STATUS DEFINITIONS
DATA SHEET STATUS PRODUCT
STATUS DEFINITIONS
Preliminary
specification Development This data sheet contains preliminary data. Philips Components reserves the
right to make changes at any time without notice in order to improve design
and supply the best possible product.
Product specification Production This data sheet contains final specifications. Philips Components reserves
the right to make changes at any time without notice in order to improve
design and supply the best possible product.
STATUS INDICATION DEFINITION
Prototype These are products that have been made as development samples for the purposes of
technical evaluation only. The data for these types is provisional and is subject to change.
Design-in These products are recommended for new designs.
Preferred These products are recommended for use in current designs and are available via our
sales channels.
Support These products are not recommended for new designs and may not be available through
all of our sales channels. Customers are advised to check for availability.
