EMI Filters KNH21 Series Features * 0805 Size. Rated current up to 2A. * Effective for filtering noise on power (Vcc) lines. How to Order Old P/N KNH 21 104 - 3 New P/N Applications KNH 21 C104 DA 3T * PCs, Laser Printers, Cellular Phone, Power/ Signal Lines for LCD Display, Office Equipments * AV Power Supply/ Signal Line, TV, VCR, etc. * High Current Signal Lines Series Size 21 Capacitance Capacitance RoHS Compliant Dimensions (Unit: mm) Part Number L 2.00.2 T 0.850.15 100,000pF 47,000pF 470pF 220pF Application DA Digital Circuit in General Packaging 3T T&R: 3000 pcs. (Std.) Temp. Coefficient of Capacitance 100,000pF 2.0A 25VDC 15% 47,000pF 2.0A 50VDC 15% 470pF 1.0A 50VDC 60ppm/ C 220pF 1.0A 50VDC 60ppm/ C W 1.250.2 G 0.400.30 Attenuation Characteristics Recommended Land Pattern (Unit: mm) Packaging Specification * Taping (3000/ reel) (Unit: mm) 1 <Electrical Characteristics> * Wide attenuation range including surrounding circuit. Test Circuit Attenuation Effect of Power Supply Noise 60 Spectrum attenuation (dBuV) 60 Original 55 50 45 Filter passed 40 35 30 25 125 225 325 425 525 625 725 825 925 FREQ. (MHz) Spectrum attenuation (dBuV) 3000 pcs. (Std.) Rated Voltage KNH21104 KNH21C104DA Old: KNH21473 New: KNH21C473DA Old: KNH21471 New: KNH21C471DA Old: KNH21221 New: KNH21C221DA CODE KNH21 CODE KNH21 3 C104 C473 C471 C221 Rated Current New: 2012 Capacitance (+50/ -20%) Old: Specifications 104 100,000pF 471 470pF 473 47,000pF 221 220pF Quantity per Reel Pb Free Original 55 50 Filter passed 45 40 35 30 25 125 225 325 425 525 625 725 825 925 FREQ. (MHz)