CC7A-T1A AT-Cut Crystal 24 MHz – 50 MHz DIMENSIONS Package: Recommended Solder Pad: 3,2 1,0 1,5 1,8 0,75 0,75 max 1,5 0,75 1,0 All dimensions in mm typical APPLICATIONS Telemetry Optical Network Airborne Equipment Medical Implantable Radio Communications Health Care and Medical ELECTRICAL CHARACTERISTICS AT 25oC DESCRIPTION The CC7A-T1A is a high frequency SMT Quartz Crystal Unit that incorporates an AT-cut Quartz Crystal Resonator. It operates under vacuum in a hermetically sealed ceramic package with ceramic lid. FEATURES Outstanding hermetic sealing with gold-tin preform. High stability and low aging guaranteed by hermetic sealing. Available for extended operating temperature range. Small size, low profile, lightweight (9.2 mg). Operates in fundamental mode. High shock and vibration resistant. 100% Pb-free, RoHS-compliant. Frequency Range FL 24 – 50 MHz Load capacitance 1) CL 3.0 / 9.0 / 16.0 pF Frequency tolerance at +25°C 2) ΔF/F ±50 ppm Frequency vs. temperature TB: –40 to +85°C TC: –55 to +125°C 3) ΔF/F0 ±50 ±100 ppm Drive level typ./max. P 100 / 250 μW Insulation resistance min. Ri 500 MΩ ΔF/F ±3 ppm Aging first year max. 1) Other load capacitances on request; e.g. CL: 20,0 pF. 2) Tighter frequency tolerances on request; e.g. ±20 ppm. 3) Tighter thermal stability on request; e.g. ±10 ppm from 0°C to +55°C. Frequency RS min./max. C1 min./max. C0 typ. 24.000 MHz to 31.999 MHz 40 Ω / 100 Ω 1.0 fF / 3.0 fF 0.7 pF 32.000 MHz to 50.000 MHz 30 Ω / 80 Ω 0.7 pF 1.0 fF / 3.0 fF STANDARD FREQUENCIES Frequencies 24.000 MHz 25.000 MHz 26.000 MHz 26.500 MHz 27.000 MHz 40.000 MHz Other frequencies on request ENVIRONMENTAL Conditions CHARACTERISTICS TERMINATIONS AND PROCESSING Storage temp. range –55 to +125°C TB Operating temperature range –40 to +85°C TC Extended oper. temp. range –55 to +125°C Max. Dev. Shock resistance ΔF/F 5000 g, 0.3 ms, ½ sine Vibration resistance ΔF/F 20 g / 10–2000 Hz ±5 ppm ±5 ppm Type Termination Processing CC7A-T1A Au flashed pads IPC/JEDEC J-STD-020C 260°C / 20 - 40 s CC7A-T3A Sn/Ag/Cu plated IPC/JEDEC J-STD-020C 260°C / 20 - 40 s CC7A-T5A ENEPIG plated pads available only on request IPC/JEDEC J-STD-020C 260°C / 20 - 40 s ORDERING INFORMATION C C 7 A - T 1 A 26.000 MHz 9.0 pF ±50 ppm TB QI Ceramic package Frequency FL Ceramic lid Load capacitance CL 3.0 pF 9.0 pF 16.0 pF Other CL on request Package size 7 = 3.2 x 1.5 x 0.75 mm AT-cut SMT Package Pads 1 = Au flashed pads 3 = Sn/Ag/Cu plated pads 5 = ENEPIG plated pads Pads on both ends Frequency tolerance ±50 ppm Tighter freq. tolerances on request Temperature range TB = -40 to +85°C (Standard) TC = -55 to +125°C Qualification QI = Industrial Grade (Standard) QM = Medical Grade QS = Custom Specification A unique part number will be generated for each product specification, i.e: 20xxxx-MG01 1'000 pcs (in 12 mm tape on 7" reel) 20xxxx-MG03 3'000 pcs (in 12 mm tape on 7" reel) 20xxxx-EA00 xxx pcs (in ESD plastic tray) All specifications subject to change without notice. Micro Crystal AG Muehlestrasse 14 CH-2540 Grenchen Switzerland Phone +41 32 655 82 82 Fax +41 32 655 82 83 [email protected] www.microcrystal.com Version 4.1/07.2017