Monolithic Crystal Filters – Surface Mount 4 pole in single 5x7 mm package Model “21MQ15B” • • • • MERCURY Since 1973 4 pole in single package. Save board space. 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 21MQ15B Package p “Q” package, 5x7x1.35 mm Ceramic SMD Number of Poles r 4 Poles in single package Center Frequency n: 21.4 MHz Pass Bandwidthq ±7.5 kHz min. at 3 dB Stop Bandwidth ±25 KHz max. at 40 dB Guaranteed Attenuation 70 dB min. at (fo-200 KHz) ~ (fo-1000 KHz) 65 dB min. at (fo+200 KHz) ~ (fo+1000 KHz) Ripple in Passband 1.0 dB max. Insertion Loss 2.0 dB max. Spurious Response 40.0 dB min. Terminating Impedance 1050 Ω // 1.5 pF (Cc= 14.0 pF) Operating Temperature -30°C to +85°C Aging ± 2 ppm / year max. Storage Temperature -40°C to +85°C Packaging 180 mm reel; 16 mm tape; 8 mm pitch; 1000 pcs per reel. HOW TO ORDER: Part Number: Please specify 21MQ15B M Q 15 B 21 n o p q r n: Center Frequency Code “21” for 21.4 MHz o: MCF Series p: Package code “Q” for 5x7x1.35 mm q: 3dB bandwidth: “15” for ± 7.5 kHz (total 15 KHz). r: “B” for 4 poles MERCURY 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 1 Date: Sept 17, 2008 Rev. 0 Monolithic Crystal Filters – Surface Mount 4 pole in single 5x7 mm package Model “21MQ15B” 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. Pad Plating Gold over nickel PACKAGE DIMENSIONS AND SUGGESTED PAD LAYOUT M E C Unit: mm 4 5 6 3 2 1 bottomview MERCURY Page 2of 2 Date: Sept 17, 2008 Rev. 0