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Discontinued Product Information(Crystal Devices)

Please note that substitute products may have varying configurations and characteristics. (Please note that not all discontinued products are listed.) Please contact us through our Web site or the nearest sales office for details.

Crystal Units

Discontinued Product Recommended Substitute
Series Data sheet (pdf) Date of production discontinuation Series Data sheet (pdf)
HC-49/U / HC49UFWA / HC49UFWB (PDF/772KB) December 2011 Please contact us -
CX-11F (PDF/1418KB) End of production Please contact us -
CX17F/CX8045JA (PDF/793KB) December 2021 Please contact us -
CX8045GA (PDF/672KB) December 2021 Please contact us -
CX8045GB (PDF/793KB) December 2021 Please contact us -
CX1255GA (PDF/351KB) December 2021 Please contact us -
CX1255GB (PDF/793KB) December 2021 Please contact us -
CX1255CA (PDF/801KB) December 2021 Please contact us -
KSX-35 (PDF/817KB) End of production Please contact us -

Clock Oscillators

Discontinued Product Recommended Substitute
Series Data sheet (pdf) Date of production discontinuation Series Data sheet (pdf)
FXO-37FN Series (PDF/356KB) September 2010 KC7050Z
KC7050K
(PDF/322KB)(PDF/387KB)
KCEXO Series (PDF/350KB) December 2009 KC5032Z
KC5032K
(PDF/322KB)(PDF/387KB)
KCJXO Series (PDF/401KB) December 2009 KC5032Z
KC5032K
(PDF/322KB)(PDF/387KB)
FXO-37FA Series (PDF/358KB) March 2009 KC7050Z
KC7050K
(PDF/322KB)(PDF/387KB)
KC2016B-C1 Series (PDF/786KB) November 2020 KC2016Z
KC2016K
(PDF/322KB)(PDF/387KB)
KC2520M Series (PDF/792KB) November 2020 MC2520Z
MC2520K
(PDF/322KB)(PDF/387KB)
KC3225A-C2 Series (K25-2C) (PDF/796KB) August 2021 KC3225Z
KC3225K
(PDF/322KB)(PDF/387KB)
KC3225A-C3 Series (K25-3C) (PDF/796KB) August 2021 KC3225Z
KC3225K
(PDF/322KB)(PDF/387KB)
KC5032C-C1 Series /
K30-1C Series
(PDF/176KB) December 2014 KC5032Z
KC5032K
(PDF/322KB)(PDF/387KB)
KC5032C-C2 Series /
K30-2C Series
(PDF/176KB)
KC5032C-C3 Series /
K30-3C Series
(PDF/176KB)
KC5032C-C3 Series /
K30-3C SeriesHeavy Load Type
(PDF/172KB)
KC5032C-C5 Series /
K30-HC Series
(PDF/172KB) December 2014 - -
KC5032D Series
(FXO-61F2)
(PDF/110KB) September 2014 KC5032Z
KC5032K
(PDF/322KB)(PDF/387KB)
KC5032D Series
(FXO-64F2)
(PDF/110KB)
KC7050A-C1 Series
(K53-1C)
(PDF/794KB) August 2021 KC7050Z
KC7050K
(PDF/322KB)(PDF/387KB)
KC7050A-C2 Series
(K53-2C)
(PDF/795KB)
KC7050A-C3 Series
(K53-3C)
(PDF/795KB)
KC7050A-C5 Series
(K53-HC)
(PDF/795KB) - -
KC7050B Series
(FXO-31F)
(PDF/110KB) September 2014 KC7050Z
KC7050K
(PDF/322KB)(PDF/387KB)
KC7050B Series
(FXO-34F)
(PDF/110KB)

SAW Clock Oscillators

Discontinued Product Recommended Substitute
Series Data sheet (pdf) Date of production discontinuation Series Data sheet (pdf)
KC7050T-P2P3 Series (PDF/131KB) November 2016 Please contact us -
KC7050T-L2L3 Series (PDF/131KB) November 2016 Please contact us -
KC7050Y-L2 Series (PDF/154KB) November 2016 Please contact us -
KC7050Y-L3 Series (PDF/153KB) November 2016 Please contact us -
KC7050Y-P2 Series (PDF/152KB) November 2016 Please contact us -
KC7050Y-P3 Series (PDF/155KB) November 2016 Please contact us -
KC7050S-P2 Series
(FSO-1C)
(PDF/131KB) November 2016 Please contact us -
KC7050S-P3 Series
(FSO-1D)
(PDF/131KB) November 2016 Please contact us -
KC7050S-L2 Series (PDF/131KB) November 2016 Please contact us -
KC7050S-L3 Series (PDF/131KB) November 2016 Please contact us -
KC7050S-C1 Series
(FXO-2B)
(PDF/374KB) November 2016 Please contact us -
KC7050S-C2 Series
(FXO-2C)
(PDF/372KB) November 2016 Please contact us -
KC7050S-C3 Series
(FXO-2D)
(PDF/341KB) November 2016 Please contact us -

VCXO

Discontinued Product Recommended Substitute
Series Data sheet (pdf) Date of production discontinuation Series Data sheet (pdf)
KV5032C-C3 Series (PDF/155KB) April 2014 - -
KV5032D-C3 Series (PDF/155KB) August 2021 - -
KV5032D-P3 Series (PDF/821KB) August 2021 - -
KV7050B-c3 Series (PDF/760KB) August 2021 - -
KV7050C-P3 Series (PDF/800KB) August 2021 - -
KV7050S-P3 Series / VC-FSO-1D Series (PDF/369KB) October 2009 - -
VC-FXO-65F Series (PDF/361KB) December 2007 - -
KV7050L-C Series / VCXO-7050 Series (PDF/339KB) October 2007 - -
KV7050W-C3 (PDF/331KB) March 2015 - -
KV7050W-P3 / K50V-3P Series (PDF/331KB) March 2015 - -

TCXO

Discontinued Product Recommended Substitute
Series Data sheet (pdf) Date of production discontinuation Series Data sheet (pdf)
KT2520Y (PDF/426KB) March 2013 KT1612A
KT2016K
KT2520K
KT2520Y for GPS (PDF/427KB)
KT3225F / KT21F (PDF/236KB) July 2014
KT21P (PDF/236KB) August 2013
KT3225N / (VC)-TCXO-214C6 (PDF/357KB) May 2011
KT5032B / KT18B (PDF/235KB) November 2014
KT5032Q / (VC)-TCXO-208C3 (PDF/347KB) December 2015
KT5032M / (VC)-TCXO-208C5 (PDF/347KB) October 2013
KT5032N / (VC)-TCXO-208C6 (PDF/347KB) September 2013
(VC)-TCXO-204C2 (PDF/327KB) January 2012
KT3225R Please contact us October 2016

kHz Range Crystal Devices

Discontinued Product Recommended Substitute
Series Data sheet (pdf) Date of production discontinuation Series Data sheet (pdf)
KC2520B (PDF/750KB) August 2021 - -
KC2520M(kHz Range) (PDF/792KB) August 2021 - -
KC3215A (PDF/870KB) September 2021 - -

High Precision Oscillators for Industrial Applications

Discontinued Product Recommended Substitute
Series Data sheet (pdf) Date of production discontinuation Series Data sheet (pdf)
OCXO Series Please contact us March 2017 Please contact us -
CXO-109U Please contact us March 2017 KC7050Z
KC7050K
(PDF/322KB)(PDF/387KB)
CXO-291 Series Please contact us March 2017 KC5032Z
KC5032K
(PDF/322KB)(PDF/387KB)
CXO-292 Series Please contact us March 2017 KC7050Z
KC7050K
(PDF/322KB)(PDF/387KB)
(VC)CXO-296 Series Please contact us March 2017 - -
(VC)CXO-324 Series Please contact us March 2017 - -
CXO-328 Series Please contact us March 2017 KC7050Z
KC7050K
(PDF/322KB)(PDF/387KB)
VCXO-290 Series Please contact us March 2017 - -
VCXO-293 Series Please contact us March 2017 - -
VCXO-294 Series Please contact us March 2017 - -
(VC)TCXO-155 Series Please contact us March 2017 Please contact us -
(VC)TCXO-158 Series Please contact us March 2017 Please contact us -
(VC)TCXO-43 Series Please contact us March 2017 Please contact us -
(VC)DTCXO-22A (PDF/474KB) March 2017 Please contact us -
(VC)DTCXO-23A (PDF/471KB) March 2017 Please contact us -
(VC)DTCXO-25A (PDF/305KB) March 2017 Please contact us -