When looking at the 638 Series of Oscillators from CTS-Frequency Controls you will notice the part numbers break down into 7 Sections. here is a detailed breakdown from the Manufacturer’s data sheet.
CTS 638.pdf (706.2 KB)
Applicable Part Numbers
CTX1472TR-ND CTX1472CT-ND CTX1472DKR-ND CTX1473TR-ND CTX1473CT-ND CTX1473DKR-ND 638E12502I2T-ND 638E12502I3T-ND 638E12503C2T-ND 638E12503C3T-ND 638E12503I2T-ND 638E12503I3T-ND 638L12502I2T-ND 638L12502I3T-ND 638L12503C2T-ND 638L12503C3T-ND 638L12503I2T-ND 638L12503I3T-ND 638P12502I2T-ND 638P12502I3T-ND 638P12503C2T-ND 638P12503C3T-ND 638P12503I2T-ND 638V12502I2T-ND 638V12502I3T-ND 638V12503C2T-ND 638V12503C3T-ND 638V12503I2T-ND 638V12503I3T-ND 638E12505C2T-ND 638E12505C3T-ND 638E15552I2T-ND 638E15552I3T-ND 638E15553C2T-ND 638E15553C3T-ND 638E15553I2T-ND 638E15553I3T-ND 638E15622I2T-ND 638E15622I3T-ND 638E15623C2T-ND 638E15623C3T-ND 638E15623I2T-ND 638E15623I3T-ND 638E156E2I2T-ND 638E156E2I3T-ND 638E156E3C2T-ND 638E156E3C3T-ND 638E156E3I2T-ND 638E156E3I3T-ND 638E156G2I2T-ND 638E156G2I3T-ND 638E156G3C2T-ND 638E156G3C3T-ND 638E156G3I2T-ND 638E156G3I3T-ND 638E156H2I2T-ND 638E156H2I3T-ND 638E156H3C2T-ND 638E156H3C3T-ND 638E156H3I2T-ND 638E156H3I3T-ND 638E156J2I2T-ND 638E156J2I3T-ND 638E156J3C2T-ND 638E156J3C3T-ND 638E156J3I2T-ND 638E156J3I3T-ND 638L12505C2T-ND 638L12505C3T-ND 638L15552I2T-ND 638L15552I3T-ND 638L15553C2T-ND 638L15553C3T-ND 638L15553I2T-ND 638L15553I3T-ND 638L15622I2T-ND 638L15622I3T-ND 638L15623C2T-ND 638L15623C3T-ND 638L15623I2T-ND 638L15623I3T-ND 638L156E2I2T-ND 638L156E2I3T-ND 638L156E3C2T-ND 638L156E3C3T-ND 638L156E3I2T-ND 638L156E3I3T-ND 638L156G2I2T-ND 638L156G2I3T-ND 638L156G3C2T-ND 638L156G3C3T-ND 638L156G3I2T-ND 638L156G3I3T-ND 638L156H2I2T-ND 638L156H2I3T-ND 638L156H3C2T-ND 638L156H3C3T-ND 638L156H3I2T-ND 638L156H3I3T-ND 638L156J2I2T-ND 638L156J2I3T-ND 638L156J3C2T-ND 638L156J3C3T-ND 638L156J3I2T-ND 638L156J3I3T-ND 638P12505C2T-ND 638P12505C3T-ND 638P15552I2T-ND 638P15552I3T-ND 638P15553C2T-ND 638P15553C3T-ND 638P15553I2T-ND 638P15553I3T-ND 638P15622I2T-ND 638P15622I3T-ND 638P15623C2T-ND 638P15623C3T-ND 638P15623I2T-ND 638P156E2I2T-ND 638P156E2I3T-ND 638P156E3C2T-ND 638P156E3C3T-ND 638P156E3I2T-ND 638P156E3I3T-ND 638P156G2I2T-ND 638P156G2I3T-ND 638P156G3C2T-ND 638P156G3C3T-ND 638P156G3I2T-ND 638P156G3I3T-ND 638P156H2I2T-ND 638P156H2I3T-ND 638P156H3C2T-ND 638P156H3C3T-ND 638P156H3I2T-ND 638P156H3I3T-ND 638P156J2I2T-ND 638P156J2I3T-ND 638P156J3C2T-ND 638P156J3C3T-ND 638P156J3I2T-ND 638P156J3I3T-ND 638V12505C2T-ND 638V12505C3T-ND 638V15552I2T-ND 638V15552I3T-ND 638V15553C2T-ND 638V15553C3T-ND 638V15553I2T-ND 638V15553I3T-ND 638V15622I2T-ND 638V15622I3T-ND 638V15623C2T-ND 638V15623C3T-ND 638V15623I2T-ND 638V15623I3T-ND 638V156E2I2T-ND 638V156E2I3T-ND 638V156E3C2T-ND 638V156E3C3T-ND 638V156E3I2T-ND 638V156E3I3T-ND 638V156G2I2T-ND 638V156G2I3T-ND 638V156G3C2T-ND 638V156G3C3T-ND 638V156G3I2T-ND 638V156G3I3T-ND 638V156H2I2T-ND 638V156H2I3T-ND 638V156H3C2T-ND 638V156H3C3T-ND 638V156H3I2T-ND 638V156H3I3T-ND 638V156J2I2T-ND 638V156J2I3T-ND 638V156J3C2T-ND 638V156J3C3T-ND 638V156J3I2T-ND 638V156J3I3T-ND 638E12505I2T-ND 638E12505I3T-ND 638E12506A2T-ND 638E12506A3T-ND 638E12506C2T-ND 638E12506C3T-ND 638E15555C2T-ND 638E15555C3T-ND 638E15625C2T-ND 638E15625C3T-ND 638E156E5C2T-ND 638E156E5C3T-ND 638E156G5C2T-ND 638E156G5C3T-ND 638E156H5C2T-ND 638E156H5C3T-ND 638E156J5C2T-ND 638E156J5C3T-ND 638L12505I2T-ND 638L12505I3T-ND 638L12506A2T-ND 638L12506A3T-ND 638L12506C2T-ND 638L12506C3T-ND 638L15555C2T-ND 638L15555C3T-ND 638L15625C2T-ND 638L15625C3T-ND 638L156E5C2T-ND 638L156E5C3T-ND 638L156G5C2T-ND 638L156G5C3T-ND 638L156H5C2T-ND 638L156H5C3T-ND 638L156J5C2T-ND 638L156J5C3T-ND 638P12505I2T-ND 638P12505I3T-ND 638P12506A2T-ND 638P12506A3T-ND 638P12506C2T-ND 638P12506C3T-ND 638P15555C2T-ND 638P15555C3T-ND 638P15625C2T-ND 638P15625C3T-ND 638P156E5C2T-ND 638P156E5C3T-ND 638P156G5C2T-ND 638P156G5C3T-ND 638P156H5C2T-ND 638P156H5C3T-ND 638P156J5C2T-ND 638P156J5C3T-ND 638V12505I2T-ND 638V12505I3T-ND 638V12506A2T-ND 638V12506A3T-ND 638V12506C2T-ND 638V12506C3T-ND 638V15555C2T-ND 638V15555C3T-ND 638V15625C2T-ND 638V15625C3T-ND 638V156E5C2T-ND 638V156E5C3T-ND 638V156G5C2T-ND 638V156G5C3T-ND 638V156H5C2T-ND 638V156H5C3T-ND 638V156J5C2T-ND 638V156J5C3T-ND 638E15555I2T-ND 638E15555I3T-ND 638E15556A2T-ND 638E15556A3T-ND 638E15556C2T-ND 638E15556C3T-ND 638E15625I2T-ND 638E15625I3T-ND 638E15626A2T-ND 638E15626A3T-ND 638E15626C2T-ND 638E15626C3T-ND 638E156E5I2T-ND 638E156E5I3T-ND 638E156E6A2T-ND 638E156E6A3T-ND 638E156E6C2T-ND 638E156E6C3T-ND 638E156G5I2T-ND 638E156G5I3T-ND 638E156G6A2T-ND 638E156G6A3T-ND 638E156G6C2T-ND 638E156G6C3T-ND 638E156H5I2T-ND 638E156H5I3T-ND 638E156H6A2T-ND 638E156H6A3T-ND 638E156H6C2T-ND 638E156H6C3T-ND 638E156J5I2T-ND 638E156J5I3T-ND 638E156J6A2T-ND 638E156J6A3T-ND 638E156J6C2T-ND 638E156J6C3T-ND 638L15555I2T-ND 638L15555I3T-ND 638L15556A2T-ND 638L15556A3T-ND 638L15556C2T-ND 638L15556C3T-ND 638L15625I2T-ND 638L15625I3T-ND 638L15626A2T-ND 638L15626A3T-ND 638L15626C2T-ND 638L15626C3T-ND 638L156E5I2T-ND 638L156E5I3T-ND 638L156E6A2T-ND 638L156E6A3T-ND 638L156E6C2T-ND 638L156E6C3T-ND 638L156G5I2T-ND 638L156G5I3T-ND 638L156G6A2T-ND 638L156G6A3T-ND 638L156G6C2T-ND 638L156G6C3T-ND 638L156H5I2T-ND 638L156H5I3T-ND 638L156H6A2T-ND 638L156H6A3T-ND 638L156H6C2T-ND 638L156H6C3T-ND 638L156J5I2T-ND 638L156J5I3T-ND 638L156J6A2T-ND 638L156J6A3T-ND 638L156J6C2T-ND 638L156J6C3T-ND 638P15555I2T-ND 638P15555I3T-ND 638P15556A2T-ND 638P15556A3T-ND 638P15556C2T-ND 638P15556C3T-ND 638P15625I2T-ND 638P15625I3T-ND 638P15626A2T-ND 638P15626A3T-ND 638P15626C2T-ND 638P15626C3T-ND 638P156E5I2T-ND 638P156E5I3T-ND 638P156E6A2T-ND 638P156E6A3T-ND 638P156E6C2T-ND 638P156E6C3T-ND 638P156G5I2T-ND 638P156G5I3T-ND 638P156G6A2T-ND 638P156G6A3T-ND 638P156G6C2T-ND 638P156G6C3T-ND 638P156H5I2T-ND 638P156H5I3T-ND 638P156H6A2T-ND 638P156H6A3T-ND 638P156H6C2T-ND 638P156H6C3T-ND 638P156J5I2T-ND 638P156J5I3T-ND 638P156J6A2T-ND 638P156J6A3T-ND 638P156J6C2T-ND 638P156J6C3T-ND 638V15555I2T-ND 638V15555I3T-ND 638V15556A2T-ND 638V15556A3T-ND 638V15556C2T-ND 638V15556C3T-ND 638V15625I2T-ND 638V15625I3T-ND 638V15626A2T-ND 638V15626A3T-ND 638V15626C2T-ND 638V15626C3T-ND 638V156E5I2T-ND 638V156E5I3T-ND 638V156E6A2T-ND 638V156E6A3T-ND 638V156E6C2T-ND 638V156E6C3T-ND 638V156G5I2T-ND 638V156G5I3T-ND 638V156G6A2T-ND 638V156G6A3T-ND 638V156G6C2T-ND 638V156G6C3T-ND 638V156H5I2T-ND 638V156H5I3T-ND 638V156H6A2T-ND 638V156H6A3T-ND 638V156H6C2T-ND 638V156H6C3T-ND 638V156J5I2T-ND 638V156J5I3T-ND 638V156J6A2T-ND 638V156J6A3T-ND 638V156J6C2T-ND 638V156J6C3T-ND 638E16112I2T-ND 638E16112I3T-ND 638E16113C2T-ND 638E16113C3T-ND 638E16113I2T-ND 638E16113I3T-ND 638L16112I2T-ND 638L16112I3T-ND 638L16113C2T-ND 638L16113C3T-ND 638L16113I2T-ND 638L16113I3T-ND 638P16112I2T-ND 638P16112I3T-ND 638P16113C2T-ND 638P16113C3T-ND 638P16113I2T-ND 638P16113I3T-ND 638V16112I2T-ND 638V16112I3T-ND 638V16113C2T-ND 638V16113C3T-ND 638V16113I2T-ND 638V16113I3T-ND 638E16115C2T-ND 638E16115C3T-ND 638L16115C2T-ND 638L16115C3T-ND 638P16115C2T-ND 638P16115C3T-ND 638V16115C2T-ND 638V16115C3T-ND 638E16115I2T-ND 638E16115I3T-ND 638E16116A2T-ND 638E16116A3T-ND 638E16116C2T-ND 638E16116C3T-ND 638L16115I2T-ND 638L16115I3T-ND 638L16116A2T-ND 638L16116A3T-ND 638L16116C2T-ND 638L16116C3T-ND 638P16115I2T-ND 638P16115I3T-ND 638P16116A2T-ND 638P16116A3T-ND 638P16116C2T-ND 638P16116C3T-ND 638V16115I2T-ND 638V16115I3T-ND 638V16116A2T-ND 638V16116A3T-ND 638V16116C2T-ND 638V16116C3T-ND
638P12503I3T 638P15623I3T 638E12502I2T 638E12502I3T 638E12503C2T 638E12503C3T 638E12503I2T 638E12503I3T 638L12502I2T 638L12502I3T 638L12503C2T 638L12503C3T 638L12503I2T 638L12503I3T 638P12502I2T 638P12502I3T 638P12503C2T 638P12503C3T 638P12503I2T 638V12502I2T 638V12502I3T 638V12503C2T 638V12503C3T 638V12503I2T 638V12503I3T 638E12505C2T 638E12505C3T 638E15552I2T 638E15552I3T 638E15553C2T 638E15553C3T 638E15553I2T 638E15553I3T 638E15622I2T 638E15622I3T 638E15623C2T 638E15623C3T 638E15623I2T 638E15623I3T 638E156E2I2T 638E156E2I3T 638E156E3C2T 638E156E3C3T 638E156E3I2T 638E156E3I3T 638E156G2I2T 638E156G2I3T 638E156G3C2T 638E156G3C3T 638E156G3I2T 638E156G3I3T 638E156H2I2T 638E156H2I3T 638E156H3C2T 638E156H3C3T 638E156H3I2T 638E156H3I3T 638E156J2I2T 638E156J2I3T 638E156J3C2T 638E156J3C3T 638E156J3I2T 638E156J3I3T 638L12505C2T 638L12505C3T 638L15552I2T 638L15552I3T 638L15553C2T 638L15553C3T 638L15553I2T 638L15553I3T 638L15622I2T 638L15622I3T 638L15623C2T 638L15623C3T 638L15623I2T 638L15623I3T 638L156E2I2T 638L156E2I3T 638L156E3C2T 638L156E3C3T 638L156E3I2T 638L156E3I3T 638L156G2I2T 638L156G2I3T 638L156G3C2T 638L156G3C3T 638L156G3I2T 638L156G3I3T 638L156H2I2T 638L156H2I3T 638L156H3C2T 638L156H3C3T 638L156H3I2T 638L156H3I3T 638L156J2I2T 638L156J2I3T 638L156J3C2T 638L156J3C3T 638L156J3I2T 638L156J3I3T 638P12505C2T 638P12505C3T 638P15552I2T 638P15552I3T 638P15553C2T 638P15553C3T 638P15553I2T 638P15553I3T 638P15622I2T 638P15622I3T 638P15623C2T 638P15623C3T 638P15623I2T 638P156E2I2T 638P156E2I3T 638P156E3C2T 638P156E3C3T 638P156E3I2T 638P156E3I3T 638P156G2I2T 638P156G2I3T 638P156G3C2T 638P156G3C3T 638P156G3I2T 638P156G3I3T 638P156H2I2T 638P156H2I3T 638P156H3C2T 638P156H3C3T 638P156H3I2T 638P156H3I3T 638P156J2I2T 638P156J2I3T 638P156J3C2T 638P156J3C3T 638P156J3I2T 638P156J3I3T 638V12505C2T 638V12505C3T 638V15552I2T 638V15552I3T 638V15553C2T 638V15553C3T 638V15553I2T 638V15553I3T 638V15622I2T 638V15622I3T 638V15623C2T 638V15623C3T 638V15623I2T 638V15623I3T 638V156E2I2T 638V156E2I3T 638V156E3C2T 638V156E3C3T 638V156E3I2T 638V156E3I3T 638V156G2I2T 638V156G2I3T 638V156G3C2T 638V156G3C3T 638V156G3I2T 638V156G3I3T 638V156H2I2T 638V156H2I3T 638V156H3C2T 638V156H3C3T 638V156H3I2T 638V156H3I3T 638V156J2I2T 638V156J2I3T 638V156J3C2T 638V156J3C3T 638V156J3I2T 638V156J3I3T 638E12505I2T 638E12505I3T 638E12506A2T 638E12506A3T 638E12506C2T 638E12506C3T 638E15555C2T 638E15555C3T 638E15625C2T 638E15625C3T 638E156E5C2T 638E156E5C3T 638E156G5C2T 638E156G5C3T 638E156H5C2T 638E156H5C3T 638E156J5C2T 638E156J5C3T 638L12505I2T 638L12505I3T 638L12506A2T 638L12506A3T 638L12506C2T 638L12506C3T 638L15555C2T 638L15555C3T 638L15625C2T 638L15625C3T 638L156E5C2T 638L156E5C3T 638L156G5C2T 638L156G5C3T 638L156H5C2T 638L156H5C3T 638L156J5C2T 638L156J5C3T 638P12505I2T 638P12505I3T 638P12506A2T 638P12506A3T 638P12506C2T 638P12506C3T 638P15555C2T 638P15555C3T 638P15625C2T 638P15625C3T 638P156E5C2T 638P156E5C3T 638P156G5C2T 638P156G5C3T 638P156H5C2T 638P156H5C3T 638P156J5C2T 638P156J5C3T 638V12505I2T 638V12505I3T 638V12506A2T 638V12506A3T 638V12506C2T 638V12506C3T 638V15555C2T 638V15555C3T 638V15625C2T 638V15625C3T 638V156E5C2T 638V156E5C3T 638V156G5C2T 638V156G5C3T 638V156H5C2T 638V156H5C3T 638V156J5C2T 638V156J5C3T 638E15555I2T 638E15555I3T 638E15556A2T 638E15556A3T 638E15556C2T 638E15556C3T 638E15625I2T 638E15625I3T 638E15626A2T 638E15626A3T 638E15626C2T 638E15626C3T 638E156E5I2T 638E156E5I3T 638E156E6A2T 638E156E6A3T 638E156E6C2T 638E156E6C3T 638E156G5I2T 638E156G5I3T 638E156G6A2T 638E156G6A3T 638E156G6C2T 638E156G6C3T 638E156H5I2T 638E156H5I3T 638E156H6A2T 638E156H6A3T 638E156H6C2T 638E156H6C3T 638E156J5I2T 638E156J5I3T 638E156J6A2T 638E156J6A3T 638E156J6C2T 638E156J6C3T 638L15555I2T 638L15555I3T 638L15556A2T 638L15556A3T 638L15556C2T 638L15556C3T 638L15625I2T 638L15625I3T 638L15626A2T 638L15626A3T 638L15626C2T 638L15626C3T 638L156E5I2T 638L156E5I3T 638L156E6A2T 638L156E6A3T 638L156E6C2T 638L156E6C3T 638L156G5I2T 638L156G5I3T 638L156G6A2T 638L156G6A3T 638L156G6C2T 638L156G6C3T 638L156H5I2T 638L156H5I3T 638L156H6A2T 638L156H6A3T 638L156H6C2T 638L156H6C3T 638L156J5I2T 638L156J5I3T 638L156J6A2T 638L156J6A3T 638L156J6C2T 638L156J6C3T 638P15555I2T 638P15555I3T 638P15556A2T 638P15556A3T 638P15556C2T 638P15556C3T 638P15625I2T 638P15625I3T 638P15626A2T 638P15626A3T 638P15626C2T 638P15626C3T 638P156E5I2T 638P156E5I3T 638P156E6A2T 638P156E6A3T 638P156E6C2T 638P156E6C3T 638P156G5I2T 638P156G5I3T 638P156G6A2T 638P156G6A3T 638P156G6C2T 638P156G6C3T 638P156H5I2T 638P156H5I3T 638P156H6A2T 638P156H6A3T 638P156H6C2T 638P156H6C3T 638P156J5I2T 638P156J5I3T 638P156J6A2T 638P156J6A3T 638P156J6C2T 638P156J6C3T 638V15555I2T 638V15555I3T 638V15556A2T 638V15556A3T 638V15556C2T 638V15556C3T 638V15625I2T 638V15625I3T 638V15626A2T 638V15626A3T 638V15626C2T 638V15626C3T 638V156E5I2T 638V156E5I3T 638V156E6A2T 638V156E6A3T 638V156E6C2T 638V156E6C3T 638V156G5I2T 638V156G5I3T 638V156G6A2T 638V156G6A3T 638V156G6C2T 638V156G6C3T 638V156H5I2T 638V156H5I3T 638V156H6A2T 638V156H6A3T 638V156H6C2T 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