Surface Mount MCF 21.4 MHz 5x7x1.4 mm • • • (Monolithic Crystal Filter) Model “21MQ15A” MERCURY Since 1973 Thin and light weight; excellent shock and vibration resistance Suitable for automatic pick and place; Solder reflow capable Specifically designed for mobile, wireless communications, pagers, cellular and cordless phones. SPECIFICATIONS Model 21MQ15A Package p “Q” package, 5x7x1.4 mm Ceramic SMD Number of Poles r 2 Poles Center Frequency n: 21.4 MHz Pass Bandwidthq ± 7.5 kHz min. at 3 dB Stop Bandwidth ±25 kHz max. at 18 dB Guaranteed Attenuation -910 KHz min. at 70 dB Ripple 1.0 dB max. Insertion Loss 2.0 dB max. Spurious 15 dB min. Terminating Impedance 1.5K Ω // 2.5 pF Operating Temperature -20°C to +70°C Storage Temperature -40°C to +85°C HOW TO ORDER: Part Number: Please specify 21MQ15A 21 M 15 Q n o p q n: Center Frequency Code “21” for 21.4 MHz o: MCF Series p: Package code “Q” for 5x7x1.4 mm q: 3dB Bandwidth “15” for ± 7.5 kHz min. at 3 dB r: “A” for 2 poles MERCURY A r www.mercury-crystal.com Taiwan: TEL (886)-2-2406-2779, FAX (886)-2-2496-0769, e-mail: [email protected] U.S.A.: TEL (1)-909-466-0427, FAX (1)-909-466-0762, e-mail: [email protected] MERCURY Page 1 of 3 Date: July 1, 2006 Rev. 0 Surface Mount MCF 21.4 MHz 5x7x1.4 mm (Monolithic Crystal Filter) Model “21MQ15A” MERCURY Since 1973 ENVIRONMENTAL AND MECHANICAL SPECIFICATIONS Green Requirement RoHS compliant and Pb (lead free) Gross Leak 60 sec min at +125°C in D.I. water or fluorocarbon fluid Fine Leak < 2 x10-8 atm cc /sec by helium leak check Shock Half sine wave acceleration of 100G peak amplitude for 11 m. sec. duration, 3 cycles each plane. Vibration ±5 ppm max. Frequency:10 to 55 Hz, amplitude: 1.5 mm or 10 Gs rms. Duration: 6 hours. Drop Test Free drop onto hard wood board at 75 cm, 3 radon drops. Solderability MIL-STD-883, Method 2003 Humidity After 48 hours at 85°C, 85% relative humidity non-condensing Thermal Shock Temperature cycling: Exposed at -40°C for 30 minutes then to +85°C for 30 minutes for duration of 5 days Marking Permanency MIL-STD-202, Method 215. Laser engraved. Typical Frequency Response MERCURY Page 2 of 3 Date: July 1, 2006 Rev. 0 Surface Mount MCF 21.4 MHz 5x7x1.4 mm (Monolithic Crystal Filter) Model “21MQ15A” PACKAGE DIMENSIONS AND SUGGESTED PAD LAYOUT MERCURY Since 1973 Unit: mm Pad # 3 MCF Input Ground Pad #1,2,4,5 and metal lid Pad #6 MCF Output RECOMMENDED REFLOW SOLDERING PROFILE: TAPE AND REEL SPEC.: MERCURY 16 mm tape compliant to EIA-481-A; 1000 pcs per reel. Page 3 of 3 Date: July 1, 2006 Rev. 0