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SV TEHS is OK only for high volumes. For small quantities you'll pay more for handling&shipping + taxes (53 $) than for uCs.
Last year I ordered 2 parts of SX52-100 (unfortunately, 100Mhz version is not produced anymore :-( ) from Topas Gmbh (www.topas.de). They were so friendly that I got these parts absolutely free as a samples.