CC1A-T3A

CC7A-T1A DIMENSIONS Package: AT Crystal 24 MHz – 30 MHz Recommended Solder Pad: 3,2 0,7 0,7 1,0 1,5 1,0 max.0,90 1,5 100% leadfree, RoHS - compliant Suitable for implantable medical applications Small SMT ceramic package Package height 0.9 mm Fundamental mode frequencies SMD-package in Tape and Reel Ind. and Ext. temperature ranges High stability, low ageing High shock and vibration resistance DESCRIPTION: All dimensions in mm typical This SMD ceramic package has been specially designed for small, implantable medical, industrial, telecom and electronic applications. All frequencies are generated in fundamental mode. The crystals are supplied in special trays (200 crystals per tray). For pick-and-place equipment, the parts are available in 12 mm tapes: 7” (178 mm) reel with 3’000 crystals 13” (330 mm) reel with 14’000 crystals ELECTRICAL CHARACTERISTICS AT 25oC: Frequency Range Load capacitance Frequency tolerance at 25°C Frequency versus temperature B: –40°C to + 85°C C: –55°C to +125°C Drive level typ/max Insulation resistance min. 1) 2) 3) FL CL ΔF/F ΔF/F0 P Ri 24–30 20.0 +/-50 +/-50 +/-100 100/250 500 1,8 MHz pF ppm ppm μW MΩ 1) Other load capacitances on request; e.g. CL: 3.0 pF / 9.0 pF / 16.0 pF 2) Tighter and wider 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 [MHz] 24 to < 30 Rs[Ω] typ/max 60/100 C1 [fF] typ/max 1/3 Co [pF] typ 0.7 Version 1.2/04.2009 STANDARD FREQUENCIES: Frequency MHz 24.0000 25.0000 26.0000 26.5000 Other frequencies between 24 MHz and 30 MHz on request ENVIRONMENTAL CHARACTERISTICS: Storage temp. range B - Industrial operating temp. range C - Extended operating temp. range Shock resistance Vibration resistance TERMINATIONS AND PROCESSING: ΔF/F Conditions –55 to +125°C –40 to +85°C –55 to +125°C ΔF/F 5000 g, 0.3 ms, ½ sine 20 g / 10–2000 Hz Max. Dev. [ppm] +/-5 +/-5 Type CC1A-T1A Termination For SMD mounting Au flashed pads For SMD mounting Sn/Ag/Cu plated Processing Reflow soldering 260°C / 20 s max. Reflow soldering 260°C / 20 s max. CC1A-T3A PART NUMBER/ ORDERING INFORMATION EXAMPLE: C C 7 A - T 1 A 26.0 MHz 20.0 pF +/-50 ppm Frequency FL Crystal package C = Crystal in ceramic package Package lid C = Ceramic lid Package size 1 = 8.0 x 3.7 x 1.75 mm Blank A = AT Frequency tolerance B Load capacitance CL Operating Temperature Range B = -40°C to +85°C Industrial C = -55°C to +125°C Extended S = custom specification Package pad form A = Pads on both ends Pad plating 1 = Au flashed pads 3 = Sn/Ag/Cu plated Package type T = For SMD mounting All specifications subject to change without notice. 04.09 SCREENING: Medical, Automotive and Avionics testing available on request Micro Crystal AG Mühlestrasse 14 CH-2540 Grenchen Switzerland Tel. +41 32 655 82 82 Fax +41 32 655 82 83 sales@microcrystal.ch www.microcrystal.com Version 1.2/04.2009