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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

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

bST-110AV, ST-110BV

17 max.

ø0.6

8.0±0.5

11max.

7.0±0.5

7.0

7.0

bST-110AH, ST-110BH

17 max.

ø0.6

8.0±0.5

15.5 max.

7.0±0.5

Circuit diagram

Circuit diagram

Shape and Dimensions/Circuit Diagram

Noise Filters for Telephone Sets

ST-110AV, 110AH, 110BV, 110BH

[RoHS Compliant]

Noise Filters for Telephone Sets

ST-110AV, 110AH, 110BV, 110BH

[RoHS Compliant]

0.1

1

10

100

1000

110BH BV

110AH AV

Frequency (MHz)

0.01

0.1

1

10

500

Impedance vs. Frequency

ST-110AV

0.5 to 7

27 (at 0.5 MHz)

50

300

3

–20 to +75

AM band

ST-110AH

0.5 to 7

27 (at 0.5 MHz)

50

300

3

–20 to +75

AM band

ST-110BV

0.5 to 7

150 (Resonant)

50

150

7.5

–20 to +75

AM band

ST-110BH

0.5 to 7

150 (Resonant)

50

150

7.5

–20 to +75

AM band

Frequency range

Impedance

Rated voltage

Rated current

DC resistance

Operatings

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)

[mm]

DIP Type

Common Mode for Telephone Sets