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SBT-0180W Datasheet(PDF) 24 Page - NEC

Part No. SBT-0180W
Description  DC Line Fileters
Download  45 Pages
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Maker  NEC [NEC]
Homepage  http://www.nec.com/
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SBT-0180W Datasheet(HTML) 24 Page - NEC

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24
DC Line Filters VOL.10
●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.
9634DCLVOL10E1106E2
13 max.
*11max.
*12 max. with ST-104A4
2.54±0.5 3
Circuit diagram
1
2
3
4
5
6
7
8
Bottom view
3.5±1.0
Shape and Dimensions/Circuit Diagram
Noise Filters for Telephone Sets
ST-104A4, 204A Series
[RoHS Compliant]
Noise Filters for Telephone Sets
ST-104A4, 204A Series
[RoHS Compliant]
0.01
0.1
1
10
100
104A4
204A3
204A4
204A1
Frequency (MHz)
10
1
0.1
100
500
Impedance vs. Frequency
ST-104A4
0.5 to 7
3.0 (at 0.5 MHz)
50
500
0.36
–20 to +75
AM band
ST-204A1
7 to 100
0.25 (at 10 MHz)
50
500
0.10
–20 to +75
FM band
ST-204A3
7 to 40
1.0 (at 7 MHz)
50
500
0.17
–20 to +75
FM band
ST-204A4
7 to 40
0.6 (at 7 MHz) REF
50
500
0.12
–20 to +75
FM band
Frequency range
Impedance
Rated voltage
Rated current
DC resistance
Operating
Model
temperature range
Remarks
(MHz)
(k ) min.
DC (V)
(mA)
( /Line) max.
(˚C)
• Withstanding voltage: 500VDC (one minute, between lines)
• Insulation resistance: more than 10M
(250VDC, between lines)
Telephone set
Terminal
(facsimile, card reader, etc.)
Installed filter
ST-201
ST-201A
ST-202
ST-202A
ST-202S
SZ-03
ST-101
ST-101A
ST-101F2
ST-101F4
ST-110AH
ST-110AV
ST-110BH
ST-110BV
ST-104A4
ST-204A1
ST-204A3
ST-204A4
Rosette
Installed filter
Installation position
Telephone line
Line terminal unit
LFT
HFT
Installation Examples
Insertion in Driver/ Receive
circuit in telephone
Telephone
Drv.
Rec.
Installation at rosette or circuit input/output
ST, LFT, HFT
Circuit
L2
L1
Telephone
Design Examples
[mm]
DIP Type
Common Mode for Telephone Sets


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