Attenuates 12 or 16 kHz signals to telco equipment by more than 25 dB. 12 or 16 kHz Tax Pulse Filter Use two F-3501 inductors, one in a parallel LC configuration followed by one in a series configuration, to provide more than 40 dB attenuation of tax pulse signals. Electrical Specifications at 25O C P/N F-3501 Section (Pins) Inductance +5% (mH) D.C. Resistance Max. (Ω) D.C. Current Max. (mA) Dielectric Min. (VAC) Attenuates 12kHz or 16 kHz L1 (1-2) 1.44 2.30 90 1250 16 kHz, Parallel L1 with C=68 nF L2 (1-6) 2.58 3.25 70 1250 12 kHz, Parallel L2 with C=68 nF L3 (1-5) 4.52 6.35 90 1250 16 kHz, Series L3 with C=22 nF L4 (1-4) 7.96 10.7 70 1250 12 kHz, Series L4 with C=22 nF 1. Tested at 10KHz and 100 mVRMS 1 L1 Schematic Diagram for P/N F-3501 L2 L3 2 } 6 L4 5 Optional use as Dual 4 P/N F-3501 Thru-hole Package P/N F-3501G Surface Mount Package .370 (9.40) MAX. .375 (9.53) MAX. .465 (11.81) MAX. .375 (9.53) MAX. .394 (10.00) MAX. .025 (0.64) .34 (8.6) .110 (2.79) MIN. .098 (2.49) 6 .024 (0.61) 5 .098 (2.50) .080 (2.03) 2 .028 (0.70) .505 (12.83) .490 (12.45) .039 (0.99) .525 (13.34) 4 Surface Mount version Available on Tape & Reel Bottom View 1 .375 (9.53) MAX. 3 6 5 4 1 Suggested Pad Layout .100 (2.54) TYP. 2 3 .050 (1.27) TYP. .075 (1.905) TYP. Specifications subject to change without notice. Rhombus Industries Inc. For other values & Custom Designs, contact factory. 20 TAXFILT2 - 10/98 15801 Chemical Lane, Huntington Beach, CA 92649-1595 Tel: (714) 898-0960 • Fax: (714) 896-0971 Attenuates 12 or 16 kHz signals to telco equipment by more than 25 dB. 12 or 16 kHz Tax Pulse Filter Use two F-3504 inductors, one in a parallel LC configuration followed by one in a series configuration, to provide more than 40 dB attenuation of tax pulse signals. Electrical Specifications at 25O C Inductance +5% (mH) P/N F-3504 Section (Pins) D.C. Resistance Max. (Ω) D.C. Current Max. (mA) Dielectric Min. (VAC) Attenuates 12kHz or 16 kHz L1 (1-3) 1.44 2.30 90 1250 16 kHz, Parallel L1 with C=68 nF L2 (1-10) 2.58 3.25 70 1250 12 kHz, Parallel L2 with C=68 nF L3 (1-8) 4.52 6.35 90 1250 16 kHz, Series L3 with C=22 nF L4 (1-6) 7.96 10.7 70 1250 12 kHz, Series L4 with C=22 nF 1. Tested at 10KHz and 100 mVRMS .590 (15.19) } .590 (15.19) .307 (7.80) .120 (3.05) MIN. .147 (3.75) TYP. 2 3 1 L1 .540 (13.75) Pin Diameter is 0.024 (0.6) Bottom View 1 Optional use as Dual Schematic Diagram P/N F-3504 4 P/N F-3504 EFD-15 Thru-hole Package L2 L3 L4 3 10 8 6 6 5 .876 (22.25) 2 10 Suggested Pad Layout 9 4 7 .088 (2.24) TYP. 6 .045 (1.14) TYP. .620 (15.75) MAX. P/N F-3504GCP EFD-15 Surface Mount with Pick-&-Place Cap 1 P/N F-3504G EFD-15 Surface Mount Package 5 1 5 Physical Dimensions in Inches (mm) .098 (2.5) TYP. 8 6 10 3 EFD-15 SMD 10 1 6 7 .620 (15.75) MAX. .330 (8.38) MAX. 5 8 .700 (17.8) MAX. .685 (17.4) MAX. .016 (0.4) .335 (8.50) MAX. .709 (18.0) .028 (0.7) .098 (2.5) Specifications subject to change without notice. Rhombus Industries Inc. .016 (0.4) .709 (18.0) .028 (0.7) .850 (21.6) For other values & Custom Designs, contact factory. 21 .098 (2.5) .850 (21.6) TAXFILT2 - 10/98 15801 Chemical Lane, Huntington Beach, CA 92649-1595 Tel: (714) 898-0960 • Fax: (714) 896-0971