On-Board Type (DC) EMI Suppression Filters (EMIFILr)

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C31E.pdf
08.9.1
DLM2HG Series
(1) (3) (5)
DLM2HG Series is a high quality noise suppression
filter for headphone lines of high quality digital
music equipment.
0.3±0.2
2.5±0.2
■ Features
1. Low distortion in audio signal, low crosstalk
2. Effective in noise suppression both of common mode
and of differential mode
3. Small size, low profile, SMD 2.5x2.0x1.2mm
DLM2HG Series
(2) (4) (6)
2.0±0.2
1.2±0.2
■ Applications
1. Headphone lines of digital music equipment such as
DVDs, MD players
2. Headphone lines of Note-PCs, PDAs
0.4±0.2 0.8±0.1
(in mm)
Part Number
Common Mode Impedance
(at 100MHz/20 degree C)
(ohm)
Rated Current
(mA)
Rated Voltage
(Vdc)
Insulation Resistance
(min.)
(M ohm)
Withstand Voltage
(Vdc)
DC Resistance
(ohm)
DLM2HGN601SZ3 600 ±25% 100 16 100 100 0.40 max.
Operating Temperature Range: -40°C to 85°C
3
■ Equivalent Circuit
■ Impedance - Frequency
10000
(1)
(3)
(5)
Differential Mode
1000
Impedance (Ω)
100
Common Mode
10
(2)
(4)
(6)
No polarity.
1
1 10 100
Frequency (MHz)
1000 10000
132