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| SH-101 Datasheet, PDF (22/45 Pages) NEC – DC Line Fileters | |||
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DIP Type
Common Mode for Telephone Sets
Noise Filters for Telephone Sets
ST-110AV, 110AH, 110BV, 110BH
[RoHS Compliant]
Model
Frequency range
(MHz)
Impedance
(kâ²) min.
Rated voltage
DC (V)
ST-110AV 0.5 to 7
27 (at 0.5 MHz)
50
ST-110AH 0.5 to 7
27 (at 0.5 MHz)
50
ST-110BV 0.5 to 7
150 (Resonant)
50
ST-110BH 0.5 to 7
150 (Resonant)
50
Rated current
(mA)
300
300
150
150
DC resistance
(â²/Line) max.
3
3
7.5
7.5
Operatings
temperature range
(ËC)
â20 to +75
â20 to +75
â20 to +75
â20 to +75
⢠Withstanding voltage: 500VDC (one minute, between lines) ⢠Insulation resistance: more than 10MⲠ(250VDC,between lines)
Remarks
AM band
AM band
AM band
AM band
Shape and Dimensions/Circuit Diagram
bST-110AV, ST-110BV
17 max.
11max.
Circuit diagram
bST-110AH, ST-110BH
17 max.
15.5 max.
Circuit diagram
ø0.6
7.0
8.0±0.5
7.0±0.5
ø0.6
8.0±0.5
7.0±0.5
7.0
[mm]
Installation Examples
Telephone set
Rosette
Installation position
Terminal
(facsimile, card reader, etc.)
Telephone line
Installed filter
ST-201 ST-101
ST-201A ST-101A
ST-202 ST-101F2
ST-202A ST-101F4
ST-202S ST-110AH
SZ-03 ST-110AV
ST-110BH
ST-110BV
ST-104A4
ST-204A1
ST-204A3
ST-204A4
Line terminal unit
Installed filter LFT
HFT
Design Examples
áInstallation at rosette or circuit input/output
ST, LFT, HFT
áInsertion in Driver/ Receive
circuit in telephone
Telephone
L1
Circuit
Drv.
Telephone
L2
Rec.
Impedance vs. Frequency
1000
100
110BH BV
10
110AH AV
1
0.1
0.01
0.1
1
10
500
Frequency (MHz)
DC Line Filters VOL.10
22
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