SEF-2012

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 (Φ178㎜ [ 7 inches ]) L : Tape & Reel (Φ254㎜ [ 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 C₁ C2 L L W T C1 unit : mm(inches) C2 0.4±0.2 [.016±.008] SEF-2012- 2.0±0.2 1.25±0.2 0.8±0.2 0.3±0.2 〔.079±.008〕 〔.049±.008〕 〔.031±.008〕 [.012±.008] Electrical Parameters P art 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 Ω M ax. 300 mA max. 10 Vdc max. D C Resistance R ated Current R ated 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.