QC25 Series 2.0x2.5 4-Pad SMD Quartz Crystal Unit Features Applications Low in height, suitable for thin equipment High density applications Ceramic package and metal lid assures high Modem, communication and test equipment reliability PMCIA, wireless applications Tight tolerance and stability available Automotive applications General Speci cations Equivalent Series Resistance (ESR) Frequency Range 16.000 to 50.000MHz (Fundamental) Frequency Range - MHz max. Mode of Operation Frenquency Tolerance at 25C 10 to 30ppm (30ppm standard) 16.000 to 29.999 150 Fundamental Frequency Stability over Temperature Range See Stability vs. Temperature Table 30.000 to 50.000 100 Storage Temperature -55 to +125C Aging per Year 3ppm max. Load Capacitance C 7 to 32pF and Series Resonance L Shunt Capacitance C 5.0pF max. 0 Equivalent Series Resistance (ESR) See ESR Table Drive Level 100W typ. Insulation Resistance (M) 500 at 100Vdc 15Vdc Frequency Stability vs. Temperature Operating Temperature 10ppm 20ppm 30ppm 50ppm 100ppm -20 to +70C -40 to +85C - -40 to +105C --- -40 to +125C ---- standard available Mechanical Dimensions Part Numbering Guide Qantek Nominal Frequency Vibration Load Operating Tem- Frequency Frequency Automotive Package Packaging Code (in MHz) Mode Capacitance perature Range Tolerance Stability Indicator Q = Qantek C25 = 2.0x2.5 4-Pad 7 digits including the F = AT-Fund S = Series A = -20 to +70C 1 = 10ppm 1 = 10ppm A = AEC-Q200 M = 250pcs Tape&Reel = SMD decimal point 08 = 8pF B = -40 to +85C 2 = 20ppm 2 = 20ppm R = 1000pcs Tape&Reel (f.ie. 12.0000) 12 = 12pF C = -40 to +105C 3 = 30ppm 3 = 30ppm R3 = 3000pcs Tape&Reel 18 = 18pF D = -40 to +125C 5 = 50ppm 5 = 50ppm 20 = 20pF etc. 0 = 100ppm 0 = 100ppm Example: QC2516.0000F12B33R bold letters = recommended standard speci cation QANTEK Technology Corporation Phone: +1 877-227-0440 (tollfree) www.qantek.com Fax: +1 877-227-0440 (tollfree) info qantek.com QC25 Rev. 0.2QC25 Series 2.0x2.5 4-Pad SMD Quartz Crystal Unit Tape and Reel Dimensions Marking Code Guide Contains frequency, Qantek manufacturing code, production code (month and year) and load capacitance. Month Codes Year Codes Load Capacitance Code in pF January A July G 2010 0 2011 1 2012 2 pF PN Code pF PN Code 12 A 20 F February B August H 2013 3 2014 4 2015 5 March C September I 18B22 G April D October J 8 C 30 H May E November K 10 D 32 I 16 E S S June F December L Example: First Line: 12.000 (Frequency) Second Line: QA1A (Qantek - January - 2011 - 12 pF) Solder Re ow Pro le Environmental Speci cations Mechanical Shock MIL-STD-202, Method 213, C Vibration MIL-STD-202, Method 201 & 204 Thermal Cycle MIL-STD, Method 1010, B Gross Leak MIL-STD-202, Method 112 Fine Leak MIL-STD-202, Method 112 All speci cations are subject to change without notice. QANTEK Technology Corporation Phone: +1 877-227-0440 (tollfree) www.qantek.com Fax: +1 877-227-0440 (tollfree) info qantek.com QC25 Rev. 0.2