DIP Type
Common Mode for Telephone Sets
Noise Filters for Telephone Sets
ST-110AV, 110AH, 110BV, 110BH
[RoHS Compliant]
[RoHS Compliant]
Model
Frequency range
(MHz)
ST-110AV
ST-110AH
ST-110BV
ST-110BH
Impedance
(k⏲) min.
0.5 to 7
0.5 to 7
0.5 to 7
0.5 to 7
Rated voltage
DC (V)
Rated current
(mA)
DC resistance
(⏲/Line) max.
50
50
50
50
300
300
150
150
3
3
7.5
7.5
27 (at 0.5 MHz)
27 (at 0.5 MHz)
150 (Resonant)
150 (Resonant)
• Withstanding voltage: 500VDC (one minute, between lines)
Operatings
temperature range
(˚C)
–20 to +75
–20 to +75
–20 to +75
–20 to +75
Remarks
AM band
AM band
AM band
AM band
• Insulation resistance: more than 10M⏲ (250VDC,between lines)
Shape and Dimensions/Circuit Diagram
bST-110AV, ST-110BV
17 max.
bST-110AH, ST-110BH
11max.
17 max.
15.5 max.
8.0
4.0 min. 12 max.
ø0.6
4.0 min.
ø0.6
Circuit diagram
8.0
17 max.
Circuit diagram
7.0
8.0±0.5
7.0
7.0±0.5
8.0±0.5
Installation Examples
[mm]
7.0±0.5
Design Examples
Installation position
Telephone set
Rosette
ᕃInstallation at rosette or circuit input/output
Terminal
(facsimile, card reader, etc.)
Telephone line
Telephone
ST, LFT, HFT
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
ᕄInsertion in Driver/ Receive
circuit in telephone
Line terminal unit
L1
Installed filter LFT
HFT
Drv.
Circuit
L2
Telephone
Rec.
Impedance vs. Frequency
Impedance (k⏲)
1000
100
10
110BH BV
110AH AV
1
0.1
0.01
0.1
1
10
500
Frequency (MHz)
DC Line Filters VOL.08
●All specifications in this catalog and production status of products are subject to change without notice. Prior to the purchase, please contact NEC TOKIN for updated product data.
●Please request for a specification sheet for detailed product data prior to the purchase.
●Before using the product in this catalog, please read "Precautions" and other safety precautions listed in the printed version catalog.
2008.03.06 P0913MCDF10VOL08E
