Hirose MS-156C vs MS-156C3 coaxial switch

When looking at MS-156C Series Subminiature Coaxial Switches from Hirose, you’ll often see some part numbers with “3” suffix at Digi-Key. As one example, we’ll look at MS-156C3. What is the meaning of this “3” suffix?

“3” suffix: this version has a slightly smaller footprint and profile, compared to conventional type (without “3” suffix").

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Applicable Part Numbers

MS-156C
MS-156C(20)
MS-156C3
MS-156C3(20)

H11670CT-ND
H11670DKR-ND
H11670TR-ND
H124920CT-ND
H124920DKR-ND
H124920TR-ND
H126278CT-ND
H126278DKR-ND
H126278TR-ND
MS-156C-ND