Raltron Electronics is now offering a new family of crystal units Models TT-SMD-E and F. The two are direct form fit, function replacements for the Epson crystal units Models MA-505 and 506.
TT-SMD-E and F units, measuring 13,5 x 5,1 mm, offer a compact footprint for high density packaging applications. Maximum height is 4,6 mm. The E and F units are electrically and mechanically identical; they differ only in their internal pin configuration as do the Epson MA-505 and 506.
Crystal frequencies from 3,579545 MHz (colour burst) to 30 MHz are in the fundamental mode, while frequencies 30,01 to 50 MHz are in the third overtone. Standard frequency tolerance is ±50 ppm maximum at 25°C; selected units are available with ±30 ppm tolerances at 25°C. Frequency stability over temperature is ±50 or ±30 ppm/°C.
Standard operating temperature is -10 to +60°C, but extended operating range units are available from -40 to +85°C. Tough thermoplastic package is robust for 100 s pre-heat at 150°C and then 10 s solder reflow at 240°C. Units are shipped on tape and reel with 1000 units/reel.
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Welcome to the August issue of Dataweek. Peter Howells is still on leave, so I am back for this issue. I hope you enjoy the content and find value in it.
August is Women’s Month in South Africa, ...
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As mining, manufacturing and industrial businesses continue to navigate rising costs, supply chain disruption and increasing pressure to improve operational performance, procurement and inventory management have become strategic business priorities rather than simply administrative functions.
While every effort has been made to ensure the accuracy of the information contained herein, the publisher and its agents cannot be held responsible for any errors contained, or any loss incurred as a result. Articles published do not necessarily reflect the views of the publishers. The editor reserves the right to alter or cut copy. Articles submitted are deemed to have been cleared for publication. Advertisements and company contact details are published as provided by the advertiser. Technews Publishing (Pty) Ltd cannot be held responsible for the accuracy or veracity of supplied material.
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