Surface Mount
Ferrite Inductors
Features
ꢀ
Multilayer design
ꢀ
Available in standard EIA/EIAJ chip sizes
(0603/1608, 0805/2012, 1206/3216, etc.)
ꢀ
Excellent solderability is achieved from a nickel
barrier with a solder overplate
W
ꢀ
ꢀ
ꢀ
Small footprint compared to wire wound inductors
Prevents crosstalk with closed magnetic circuit
L
Broad range of inductance values available from
47 nH to 4,700 nH
H
ꢀ
ꢀ
ꢀ
ꢀ
High Q characteristics
Parts are suitable for flow or re-flow soldering
Available in tape and reel for easy placement
Provides high reliability in a temperature range
of -25°C to +85°C over a wide range of humidity
ꢀ
Prevents electromagnetic interference to signals
in high density circuits
B
Applications
ꢀ
Telecommunications equipment (cellular phones,
cordless phones, faxes and ISDN’s)
ꢀ
ꢀ
Personal computers including disc drives, CD-ROM, etc.
Digital audio/visual equipment (TV, HDTV, VTR, DVD,
CATV tuners, etc.)
ꢀ
ꢀ
Measuring equipment
Most consumer electronics
Part Numbering System
Example: FIN-0805-C470M3
FIN
-
0805
-
C
470
M
3
Series
Part Size
Material
Characteristic
Inductance L (nH)
Tolerance Code
M = ±20%
Packaging
Ferrite
INductor
EIA Size
(Length x Width)
47(0)
7 = 7 inch reel
3 = 13 inch reel
B = Bulk
Determined
by the desired
electrical
(0) = the # of zeros
that will follow the first
two digits
K = ±10%
J = ±5%
characteristic
Example: 47(0)
= 47 followed by 0 zeros
= 47 nH
Land Patterns and Soldering
Temperature Profiles
Packaging Specifications
and Storage Requirements
ꢀ
ꢀ
See page 33.
See page 34.
SPECTRUM CONTROL INC.
•
8031 Avonia Rd. • Fairview, PA 16415
•
Phone: 814-835-1650
•
Fax: 814-835-1651 • Website: www.spectrumcontrol.com
24
SPECTRUM CONTROL GmbH
•
Hansastrasse 6 • 91126 Schwabach, Germany • Phone: (49)-9122-795-0 • Fax: (49)-9122-795-58