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| Multilayer Chip LC Filters ----SEF-2012 Features 1. Effective for suppressing noise in high speed digital signal line. 2. Terminal electrode has excellent solder heat resistance for soldering. 3. Lead Free (RoHS Compliance). PAGE 1/2 Applications 1. High resolution video signal lines. 2. EMI countermeasure for clock signal lines. 3. RF module of telecommunication products. Ordering Information SEF - 2012 (1) (2) 220 (3) - J (4) T (5) (4) Termination J : Nickel barrier (5) Packaging B : Bulk package T : Tape & Reel (178 [ 7 inches ]) L : Tape & Reel (254 [ 10 inches ]) (1) Series SEF : Chip EMI filter (2) Dimensions First two digits : length() Last two digits : width() (3) Normal capacitance First two digits are capacitance value. Last digit is the number of zeros following. Shape and Dimensions Type T W C C2 L L W T C1 unit : mm(inches) C2 0.40.2 [.016.008] SEF-2012- 2.00.2 1.250.2 0.80.2 0.30.2 .079.008 .049.008 .031.008 [.012.008] Electrical Parameters Part No. SEF-2012-050 SEF-2012-080 SEF-2012-220 SEF-2012-330 SEF-2012-151 SEF-2012-221 SEF-2012-471 Capacitance 5pF(+50/-20)% 8pF(+50/-20)% 22pF(+50/-20)% 33pF(+50/-20)% 150pF(+50/-20)% 220pF(+50/-20)% 470pF(+50/-20)% Cut-off Frequency 600MHz 350MHz 150MHz 100MHz 40MHz 25MHz 15MHz 200 m Max. 300 mA max. 10 Vdc max. DC Resistance Rated Current Rated Voltage *All specifications are subject to change without notice. Multilayer Chip LC Filters ----SEF-2012 Electrical Characteristic Curves PAGE 2/2 Attenuation Measuring Circuit Equivalent circuit *All specifications are subject to change without notice. |
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