Crystal Filter Fundamental 45MHz-Series MCF n Features l Compact and light. l Structure highly resistant to vibration and shock. Pb Free n Specifications Model Passband Stop Nominal Insertion loss Guaranteed Number width bandwidth Ripple frequency (insertion attenuation of poles (dB) (MHz) attenuation) (dB) (f0-910kHz) (dB) (dB) (kHz) (dB) (kHz) Terminating impedance (Ω//pF) Operating Package temperature range type (°C) 45S7.5AA 45 2 3 ±3.75 10 ±12.5 1.0 2.0 65 200//4 –20 to +70 D-361-A 45S7.5BF 45 4 3 ±3.75 25 ±12.5 1.0 4.0 80 350//6.5 Cc=18 –20 to +70 D-361-B 45S15A 45 2 3 ±7.5 18 ±30 1.0 2.0 60 470//6 –20 to +70 D-361-A 45S15BU 45 4 3 ±7.5 25 ±22 1.0 4.0 80 650//3 Cc=9 –20 to +70 D-361-B 45S30AJ 45 2 3 ±15 15 ±50 1.0 2.0 40 1.2k//1.5 –20 to +70 D-361-A 45S30BN 45 4 3 ±15 35 ±50 1.0 4.0 80 800//1.8 Cc=6.5 –20 to +70 D-361-B *Products with a “4” pole have pairs of two elements. n Dimensions n List of Codes for Placing an Order D-361-A to B (NR-2D(3)Type) mm Connecting mark MCF 2.2±0.2 4.7max 6.9±0.2 18.0min R//C 0.35±0.05 3.75 ±0.2 7.9max 3.2max MCF Cc R//C Model Code for placing an order 45S7.5AA 45S7.5AA-45M-MN15-210 45S7.5BF 45S7.5BF-45M-MN15-384 45S15A 45S15A-45M-MN15-229 45S15BU 45S15BU-45M-MN15-239 45S30AJ 45S30AJ-45M-MN15-237 45S30BN 45S30BN-45M-MN15-236 D-361-B uses pairs of two D-361-A’s Make sure to use a coupling capacitor (Cc) for D-361-B as shown in the figure. (The values of a capacitor (C) and Cc include stray capacitance.) n Characteristics Model : 45S15BU Model : 45S30BN 10 10 20 20 (A) 30 30 (A) 40 40 50 50 60 60 ATT.(dB) 70 (A) –40 –30 –20 –10 (B) –1.00 –0.75 –0.50 –0.25 (B) 70 ATT.(dB) 80 90 100 0 0 45MHz 10 0.25 20 0.50 30 0.75 40 (kHz) 1.00 (MHz) (A) (B) –80 –60 –40 –20 –1.00 –0.75 –0.50 –0.25 (B) 80 0 0 90 20 0.25 40 0.50 60 0.75 80 (kHz) 1.00 (MHz) 45MHz cf19_071102_45MCF_e1