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ST202A
DIP Type Common Mode for Telephone Sets Noise Filters for Telephone Sets ST-101A, 201A, 202A [RoHS Compliant] [RoHS Compliant] Frequency range (MHz) Model ST-101A ST-201A ST-202A Impedance (k⏲) min. Rated current (mA) DC resistance (m⏲/Line) max. 3 (at 0.5 MHz) 1.5 (at 7 MHz) 0.6 (at 100 MHz) 0.5 to 7 7 to 40 7 to 100 Rated voltage DC (V) 50 50 50 200 200 1000 250 150 50 • Withstanding voltage: 500VDC (one minute, between lines) Operating temperature range (˚C) –20 to +65 –20 to +65 –20 to +65 Remarks AM band FM band FM band • Insulation resistance: more than10M⏲ (100VDC, between lines) Shape and Dimensions/Circuit Diagram 16 max. 10.5 max. Circuit diagram ø0.7 ᕃ ᕄ ᕃ 7.62±0.5 ᕆ ᕃ ᕅ 4.0 ± 0.5 20 max. ᕄ ᕆ 5.08±0.5 [mm] Installation Examples 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⏲) 100 101A 10 1 201A 202A 0.1 0.01 0.1 1 10 100 500 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
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