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) | End of production | Please contact us | - |
| CX-11F | (PDF/1418KB) | End of production | Please contact us | - |
| CX17F/CX8045JA | (PDF/793KB) | December 2022 | Please contact us | - |
| CX8045GA | (PDF/672KB) | December 2022 | Please contact us | - |
| CX8045GB | (PDF/793KB) | December 2022 | Please contact us | - |
| CX1255GA | (PDF/351KB) | December 2022 | Please contact us | - |
| CX1255GB | (PDF/793KB) | December 2022 | Please contact us | - |
| CX1255CA | (PDF/801KB) | December 2022 | 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) |
| 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) |
| FXO-37FN Series | (PDF/356KB) | September 2010 |
KC7050Z KC7050K |
(PDF/322KB)(PDF/387KB) |
| KC2016B-C1 Series | (PDF/786KB) | November 2020 | KC2016ZKC2016K | (PDF/322KB)(PDF/387KB) |
| KC2520A-C1 | (PDF/391KB) | August 2022 | KC2520Z KC2520K |
(PDF/322KB)(PDF/387KB) |
| KC2520A-C2 | (PDF/392KB) | |||
| KC2520A-C3 | (PDF/392KB) | |||
| KC2520B-C1 (1.5MHz～80MHz) | (PDF/792KB) | November 2020 | KC2520Z KC2520K |
(PDF/322KB)(PDF/387KB) |
| KC2520B-C2 (1.5MHz～50MHz） | (PDF/362KB) | |||
| KC2520M Series | (PDF/792KB) | November 2020 | MC2520ZMC2520K | (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) |
| KC5032A-CM | (PDF/120KB) | November 2020 | KC5032Z KC5032K |
(PDF/322KB)(PDF/387KB) |
| KC5032A-C5 | (PDF/177KB) | November 2020 | - | - |
| 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) | |||
| KC5032E-C3 | (PDF/133KB) | August 2022 | - | - |
| KC5032F | Please contact us | September 2017 | - | - |
| 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) | |||
| KC7050B Series (FXO-37FNB) |
(PDF/132KB) | August 2022 | KC7050Z KC7050K |
(PDF/322KB)(PDF/387KB) |
| KC7050C-CL / K50-CL | Please contact us | August 2022 | - | - |
| KC7050C-C3 / K50-3C | (PDF/138KB) | August 2022 | KC7050Z KC7050K |
(PDF/322KB)(PDF/387KB) |
| KC7050C-C5 / K50-HC | (PDF/137KB) | August 2022 | - | - |
| KC7050H-C3 / K50H-3C | (PDF/399KB) | April 2018 | KC7050Z KC7050K |
(PDF/322KB)(PDF/387KB) |
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 | - | - |
| KV5032F | Please contact us | September 2017 | - | - |
| KV7050A/VC-FXO-35F | (PDF/120KB) | August 2022 | - | - |
| 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 |
(PDF/165KB) (PDF/188KB) (PDF/205KB) |
| 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 | ||
| KT2016A | (PDF/231KB) | March 2020 | ||
| KT2016A For GPS | (PDF/218KB) | March 2020 | ||
| KT2520F | (PDF/229KB) | December 2019 | ||
| KT2520F For GPS | (PDF/226KB) | December 2019 | ||
| KT2520P | (PDF/188KB) | August 2017 | ||
| KT2520P For GPS | (PDF/160KB) | August 2017 | ||
| KT3225P / KT21N | (PDF/239KB) | September 2017 | ||
| KT3225P / KT21N For GPS |
(PDF/217KB) | September 2017 | ||
| KT3225L / KT23 | Please contact us | March 2019 | ||
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 | - |
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