Surface Acoustic Wave Filters PAFC Series Features How to Order PAFC 243 B * Small and low profile * Ceramic package type * Flat pass band characteristics * Low insertion loss * Circuit simplification Series Center Frequency Type Application * PHS RoHS Compliant Pb Free Dimensions (Unit : mm) 1.3 Tolerance: 0.1[mm] INPUT OUTPUT GROUND N.C. 3.8 0.7 Fig. B 0.8 0.5 3.8 1.27 1.27 0.5 Tolerance: 0.1[mm] INPUT OUTPUT GROUND 3.8 1.3 0.7 (Unit : mm) Fig. A 1.0 3.8 1.27 1.27 0.8 Test Circuit Fig. C 3.5pF 4.5pF IN OUT OUT 5pF 1:1 50 1.0pF 68nH 1.0pF 68nH 50 5pF 120nH 5pF 1:1 Fig. D OUT IN 50 150nH 5pF IN 50 Specifications Parts No. Nominal Center Group Delay Pass Band Stop Band Attenuation Ripple Operating Storage Dimen- Test Recommended Taping Frequency Insertion Time Width Loss (fn110kHz) Temperature Temperature sions Circuit LandPattern Dimensions fn600kHz fn1.2MHz fnfa MHz() (fn) (at 3dB) (fn110kHz) PAFC243B 243.95MHz 4.0dB max. 130kHz min. 30dB min.40dB min.60dB min. 1.5dB max.1.2s max. PAFC248C 248.45MHz 4.5dB max. 130kHz min. 30dB min.35dB min.60dB min. 1.5dB max.1.2s max. 10 to 60C 20 to 80C Fig. A Fig. C Fig. E Fig. G Fig. B Fig. D Fig. F Fig. G Note PAFC248C : fa21.5MHz PAFC243B : fa21.6MHz OUT 0.9 0.9 0.9 0.9 0.37 G G IN OUT 0.9 G Fig. F IN G 0.9 OUT Fig. E 1.3 1.8 1.3 0.9 0.37 0.37 IN (Unit : mm) 0.37 G 0.9 G (Unit : mm) 1.8 Recommended Land Pattern G: GROUND 1.3 0.9 0.9 1.3 G: GROUND Surface Acoustic Wave Filters PAFC Series Taping Dimensions (Unit : mm) Fig. G A E J H B Recommended Temperature Profile IR Reflow Temp.(C) Peak Temp. 235C5C 250 L 2 to 3sec. K C D 200 15010C 150 F G M 200C 40 sec. max. 100 50 B C D E F G H J K L 2.0 12.0 5.5 1.75 1.55 8.0 1.55 4.3 4.3 Characteristics PAFC248C (Pass Band Characteristics) Group delay time(1.0sec/Div) 0.0 Attenuation(dB) 50 60 70 Time PAFC248C (Spurious Characteristics) 10.0 40 60 to 120sec. 0.3 2.05 0 30 0 to 60sec. 0 10 20 20.0 30.0 40.0 50.0 60.0 70.0 80.0 80 90 247.450 90.0 248.450 249.450 Frequency(MHz) PAFC243B (Pass Band Characteristics) 100.0 223.450 0 0 10 10 20 30 40 50 60 70 233.450 243.450 253.450 Frequency(MHz) 263.450 273.450 PAFC243B (Spurious Characteristics) Group delay time(1.0sec/Div) Attenuation(dB) M Attenuation(dB) Dimen 4.0 -sion Attenuation(dB) Code A 20 30 40 50 60 70 80 80 90 242.95 243.95 Frequency(MHz) 244.95 90 223.95 233.95 243.95 Frequency(MHz) 253.95 263.95