Preliminary SF2235G • Low-loss SAW Filter • 2.5 x 2.0 x 1.0 mm Surface-mount Case • No Matching Circuit Required 1542.5 MHz SAW Filter Absolute Maximum Ratings Rating Value Units Maximum Input Power +5 dBm Maximum DC Voltage on any Non-ground Terminal 5 VDC Storage Temperature Range in Tape and Reel -40 to +85 Maximum Soldering Profile, 5 cycles maximum °C 265 °C for 10 s SM2520-5 Electrical Characteristics Characteristic Sym Nominal Operating Frequency Passband Insertion Loss, 1525 to 1560 MHz Amplitude Ripple, 1525 to 1560 MHz Attenuation Referenced to 0 dB: DC to 1480 MHz 1630 to 1660 MHz 1660 to 2050 MHz 2050 to 3500 MHz Source impedance, Single-ended Load impedance, Balanced Operating Temperature Range Notes Min fC IL 21 26 30 25 ZS ZL TA Case Style Typ 1542.5 2.1 0.9 Max MHz dB dBP-P 3.5 2.0 41 34 35 50 50 Ω 150 Ω || 33 nH -10 Units dB +75 °C SM2520-4 Lid Symbolization (3G = Filter ID, Y = year, W = week) 3G, YW Electrical Connections Connection Input, Single-ended Output, Balanced Ground Terminals 1 3, 4 All others CAUTION: Electrostatic Sensitive Device. Observe precautions for handling. Notes: 1. 2. US and international patents may apply. RFM, stylized RFM logo, and RF Monolithics, Inc. are registered trademarks of RF Monolithics, Inc. www.RFM.com E-mail: [email protected] ©2010 by RF Monolithics, Inc. Page 1 of 5 SF2235G - 6/8/10 Filter Amplitude Plots 0 -1 -2 -3 Att.(dB) -4 -5 -6 -7 -8 -9 -10 1492.5 1502.5 1512.5 1522.5 1532.5 1542.5 1552.5 1562.5 1572.5 1582.5 1592.5 Freq.(MHz) 0 -10 Att.(dB) -20 -30 -40 -50 -60 1342.5 1382.5 1422.5 1462.5 1502.5 1542.5 1582.5 1622.5 1662.5 1702.5 1742.5 Freq.(MHz) www.RFM.com E-mail: [email protected] ©2010 by RF Monolithics, Inc. Page 2 of 5 SF2235G - 6/8/10 0 -10 -20 Att.(dB) -30 -40 -50 -60 -70 0 350 700 1050 1400 1750 2100 Freq.(MHz) 2450 2800 3150 3500 Filter Tuning Network 4 5 0 o h m In p u t 1 S F 2 2 3 5 G 2 , 5 www.RFM.com E-mail: [email protected] ©2010 by RF Monolithics, Inc. 3 3 3 n H 1 5 0 o h m B a la n c e d O u tp u t Page 3 of 5 SF2235G - 6/8/10 SM2520-5 Case 5-Terminal Ceramic Surface-Mount Case 2.5 X 2.0 mm Nominal Footprint Case Dimensions mm Dimension Min A B C D E F G H I 1.88 2.38 0.92 Nom 2.00 2.50 1.00 0.55 0.55 1.40 0.50 0.08 0.90 Max 2.12 2.62 1.08 Min Inches Nom 0.074 0.094 0.036 0.079 0.098 0.039 0.022 0.022 0.055 0.020 0.003 0.035 Max 0.083 0.103 0.043 PCB Footprint Case Material Materials Solder Pad Plating 0.3 to 1.0 µm Gold over 1.27 to 8.89 µm Nickel Lid Plating 2.0 to 3.0 µm Nickel Body Al2O3 Ceramic Pb Free TOP VIEW * ) BOTTOM VIEW 5 4 " , # / 1 1 2 www.RFM.com E-mail: [email protected] ©2010 by RF Monolithics, Inc. . + 3 ! 0 Page 4 of 5 SF2235G - 6/8/10 Reel Dimension Tape Dimension www.RFM.com E-mail: [email protected] ©2010 by RF Monolithics, Inc. Page 5 of 5 SF2235G - 6/8/10