2/9 No.EE21-KHDC000-02
KYOCERA CORPORATION
EMI FILTER SPECIFICATION
1. Apply
This specification applies to Kyocera chip EMI filter KNH21 Series.
2. Nomenclature
KNH 21 C104 DA 3T S
Termination ( S : STD)
Packaging (3T: 3,000pcs Tape & Reel )
Application (DA : Digital Circuit in General)
Capacitance (C104 : 100nF)
Size code (21 : 2.0*1.2 mm )
Series ( KNH : High current type )
3. Performance / Requirement
3 – 1 Standard requirement
A: Insulation resistance Min. 500 (M ohm)
B: Operating temperature -40 to 85 (deg.)
3 – 2 Electrical characteristics
Capacitance Direct - current
( +50 / -20 % )
Rated
current
Rated
voltage
resistance
Parts Number
( pF ) ( A ) ( V ) (Ohm)
KNH21C221DA3TS 220 1.0 50 Max. 0.08
KNH21C471DA3TS 470 1.0 50 Max. 0.08
KNH21C473DA3TS 47,000 2.0 50 Max. 0.02
KNH21C104DA3TS 100,000 2.0 25 Max. 0.02
KNH21C105DA3TS 1,000,000 4.0 10 Max. 0.02
KNH21C475DA3TS 4,700,000 4.0 6.3 Max. 0.02
KNH21C106DA3TS 10,000,000 6.0 6.3 Max. 0.01
3 – 3 Frequency Characteristics
-90
-80
-70
-60
-50
-40
-30
-20
-10
0
10
1 10 100 1,000 10,000
Frequency (MHz)
Attenuation (dB)
KNH21C473DA
KNH21C104DA
KNH21C105DA
KNH21C475DA
KNH21C221DA
KNH21C471DA
KNH21C106DA
