EURO QUARTZ MONOLITHIC CRYSTAL FILTERS 21.4, 21.7, and 45.0MHz SMD TYPE 'Q' Series 2 & 4 poles Compact and light weight Excellent shock and vibration resistance Suitable for auto pick and place, solder reflow capable Designed for mobile, wireless comms, pagers, cellular etc. OUTLINE & DIMENSIONS ENVIRONMENTAL & MECHANICAL SPECIFICATIONS RoHS Status: Gross Leak: RoHS compliant and pB free 60s minimum at +125°C in D.I. water or flurocarbon fluid. Half sine wave, acceleration of 100g peak amplitude for 11ms duration, 3 cycles in each plane. ±5ppm maximum, frequency 10Hz to 55Hz, amplitude 1.5mm or 10gs r.m.s. Duration 6 hours Three drops onto hard wood board from 75cm. 3 random drops. After 48 hours at 85°C, 85% relative humidity, non-condensing Temperature cycling, exposed to -40° for 30 minutes then at +85°C for 30 minutes, duration of 5 days -20° to +70°C -40° to +85°C Shock: Vibration: Drop Test: Humidity: Thermal Shock: Operating Temperature Range: Storage Temperature Range: SPECIFICATIONS Frequency (MHz) 21.400 21.400 21.400 21.400 21.700 21.700 27.000 45.000 45.000 45.000 45.000 Model 21MQ7.5A 21MQ15A 21MQ15B 21MQ30A 21.7MQ15A 21.7MQ15B 21.7MQ30A 45MQ15A 45MQ15B 45MQ30A 45MQ30B No. of Poles 2 2 4 2 2 4 2 2 4 2 4 Pass Bandwidth dB kHz 3 3 3 3 3 3 3 3 3 3 3 ±3.75 ±7.5 ±7.5 ±15 ±7.5 ±7.5 ±15 ±7.5 ±7.5 ±15 ±15 Stop Bandwidth dB kHz 20 18 40 15 18 40 15 15 30 15 30 ±18 ±25 ±25 ±50 ±28 ±25 ±50 ±25 ±25 ±60 ±40 Insertion Guaranteed Loss Attenuation dB max. dB max. dB kHz Ripple 1.0 0.5 1.0 1.5 1.0 1.0 1.5 1.0 1.0 1.0 1.0 2.0 1.5 3.0 2.0 2.0 3.0 2.0 2.0 3.0 2.0 3.0 70 70 70 50 70 70 50 70 80 70 70 -910 -910 -910 -910 -910 -910 -910 -910 -910 -910 -910 Terminating Impedance Ohms//pF 850 // 6.0 1500 // 2.5 1800 // 0.35 2500 // 0 1500 // 2.5 1750 // 0.35 2500 // 0 560 // 6.0 600 // 2.3 1200 // 1.8 1200 // 1.0 Cc(pF) 5.0 5.0 7.5 2.5 PART NUMBER FORMAT Example: 21MQ7.5A Centre Frequency Code 21M = 21.4MHz 21.7M = 21.700MHz 45M = 45.000MHz Q: Package style 7.0 x 5.0 x 1.3mm SMD Pass Bandwidth (at 3dB min.) 7.5 = ±3.75kHz 15 = ±7.5kHz 30 = ±15kHz Poles code A = 2 poles (1 piece) B = 4 poles (2 pieces) C = 6 poles (3 pieces) D = 8 poles (4 pieces) EUROQUARTZ LIMITED Blacknell Lane CREWKERNE Somerset UK TA18 7HE Tel: +44 (0)1460 230000 Fax: +44 (0)1460 230001 [email protected] www.euroquartz.co.uk