Product Change Notices

At Fox we are always trying to innovate, improve, and evolve. This will sometimes result in changes to current products. Below is a list of existing PCNs or use the PCN search to look up a particular product.

PCN #Date PostedType of ChangeProducts AffectedView PCN
1015314/8/2019Product End of Life (EOL)KFSM (former FSMLF)https://foxonline.com/pdfs/PCN101531.pdf
1015364/8/2019Product Change NotificationStandard Part Number Changehttps://foxonline.com/pdfs/PCN101536.pdf
1014231/23/2019Product Change NotificationC6BS (FMB) - Carrier Tape Changehttps://www.foxonline.com/pdfs/PCN101423.pdf
1014391/18/2019Product End of Life (EOL)C4UT (HC49ULF) See PCN for specific part numbershttps://www.foxonline.com/pdfs/PCN101439.pdf
1013369/26/2018Product Change NotificationO1HS (former F130, F140, F110 Series), O1HA (former FA130 Series) - Dimensional Tolerance Changehttps://www.foxonline.com/pdfs/PCN101336.pdf
1013088/23/2018Product Change NotificationC3BQ (former FQ3225B), C5BQ (former FQ5032B), C5AQ (former FQ5032A), C8AQ (former FQ1045A)https://www.foxonline.com/pdfs/PCN101308.pdf
1055-17/2/2018Product Change NotificationF32Khttps://www.foxonline.com/pdfs/PCN1055-1.pdf
5396/1/2018Product End of Life (EOL)C4UT (former HC49ULF)https://www.foxonline.com/pdfs/PCN539.pdf
1001-14/20/2018Product End of Life (EOL)C6AQ (former FQ6035A), C6BQ (former FQ6035B), C7AQ (former FQ7050A), C7BQ (former FQ7050B)https://www.foxonline.com/pdfs/PCN1001-1.pdf
53510/13/2017Product Change NotificationC3BQ (former FQ3225B), C5AQ (former FQ5032A), C5BQ (former FQ5032B), C6AQ (former FQ6035A), C6BQ (former FQ6035B), C7AQ (former FQ7050A), C7BQ (former FQ7050B), C8AQ (former FQ1045A)https://www.foxonline.com/pdfs/PCN535.pdf
5339/13/2017Product Change NotificationC4BS (former FX425B)https://www.foxonline.com/pdfs/PCN533.pdf
5319/6/2017Product End of Life (EOL)C4UT (former HC49ULF) All frequencies under 3.579545 MHzhttps://www.foxonline.com/pdfs/PCN531.pdf
5298/1/2017Product Change NotificationO7PS Series (Former F4600, F4620 Series) O7LS (Former F4700, F4710 Series)https://www.foxonline.com/pdfs/PCN529.pdf
5264/6/2017Product Change NotificationC5BS (former FX532B)https://www.foxonline.com/pdfs/PCN526.pdf
5233/20/2017Product Change NotificationK161 (former FX161)https://www.foxonline.com/pdfs/PCN523.pdf
5222/16/2017Product Change NotificationO7HSC (former F4100 series)https://www.foxonline.com/pdfs/PCN522.pdf
5201/17/2017Product End of Life (EOL)FX-3https://www.foxonline.com/pdfs/PCN520.pdf
51812/13/2016Product Change NotificationAll FTS Series Sine Wave OCXOhttps://www.foxonline.com/pdfs/PCN518.pdf
50411/11/2016Product Change NotificationFox331, Fox321, Fox333, Fox332https://www.foxonline.com/pdfs/PCN504.pdf
5076/16/2016Product Change Notification2x1.6mm to 10x4.5mm Crystalshttps://www.foxonline.com/pdfs/PCN507.pdf
4915/16/2016Product Change NotificationAll FAxxx series automotive grade XOshttps://www.foxonline.com/pdfs/PCN491.pdf
4715/12/2016Product Change Notification3.3V SMD Stratum III TCXO/VCTCXOhttps://www.foxonline.com/pdfs/PCN471.pdf
4994/25/2016Product End of Life (EOL)All FOX923_6 TCXO/VCTCXO Versionshttps://www.foxonline.com/pdfs/PCN499.pdf
4974/25/2016Product End of Life (EOL)All FCL, FCP Oscillatorshttps://www.foxonline.com/pdfs/PCN497.pdf
4954/25/2016Product Change NotificationAll Fox Productshttps://www.foxonline.com/pdfs/PCN495.pdf
4944/25/2016Product Change NotificationFSXLFhttps://www.foxonline.com/pdfs/PCN494.pdf
4884/25/2016Product Change NotificationFXA2016B, FX216C, FXA242BS...https://www.foxonline.com/pdfs/PCN488.pdf
48712/15/2015Product End of Life (EOL)Ceramic Resonatorshttps://www.foxonline.com/pdfs/PCN487.pdf
48411/25/2015Product End of Life (EOL)HC49SPXLFhttps://www.foxonline.com/pdfs/PCN484.pdf
4708/3/2015Product End of Life (EOL)Mylar spacer for HC49ULF & HC49SLFhttps://www.foxonline.com/pdfs/PCN470.pdf
4666/23/2015Product End of Life (EOL)FPXLFhttps://www.foxonline.com/pdfs/PCN466.pdf
4656/15/2015Product Change NotificationHC49SLF, HC49SSLF, HC49ULFhttps://www.foxonline.com/pdfs/PCN465.pdf
4603/30/2015Specification ChangeHC49SLF, HC49SDLFhttps://www.foxonline.com/pdfs/PCN460.pdf
4593/24/2015Packaging Specification ChangeFX135, FX135Lhttps://www.foxonline.com/pdfs/PCN459.pdf
4529/24/2014Product End of Life (EOL)FXTChttps://www.foxonline.com/pdfs/PCN452.pdf
4302/21/2014Product Change NotificationFDhttps://www.foxonline.com/pdfs/PCN430.pdf
4291/29/2014Product Change NotificationF3345/F3355 Serieshttps://www.foxonline.com/pdfs/PCN429.pdf
4199/26/2013Product Change NotificationFOX923CH, FOX923CEHhttps://www.foxonline.com/pdfs/PCN419.pdf
4158/12/2013Product Change NotificationFX216Chttps://www.foxonline.com/pdfs/PCN415.pdf
4042/25/2013Product Change NotificationFOX251, FOX351, FOX551, FOX751https://www.foxonline.com/pdfs/PCN404.pdf
39911/27/2012Product Change NotificationResin Seal SMD Crystalshttps://www.foxonline.com/pdfs/PCN399.pdf
3969/27/2012Product End of Life (EOL)FEGhttps://www.foxonline.com/pdfs/PCN396.pdf
3909/27/2012Product Change NotificationFX216Chttps://www.foxonline.com/pdfs/PCN390.pdf
3864/3/2012Product End of Life (EOL)All Dip Oscillator (XO, VCXO, TCXO)https://www.foxonline.com/pdfs/PCN386.pdf
3443/27/2012Product STD Reel QTY ChangeXpressO 3.2x2.5mm Packageshttps://www.foxonline.com/pdfs/PCN344.pdf
3851/13/2012Product Change NotificationNC38LF Serieshttps://www.foxonline.com/pdfs/PCN385.pdf
3801/10/2012Product Change NotificationF4600 Serieshttps://www.foxonline.com/pdfs/PCN380.pdf
3731/10/2012Product Change NotificationFQ1045Ahttps://www.foxonline.com/pdfs/PCN373.pdf
37710/24/2011Product Change NotificationF5C-2ELF, H5C-2ELF, F5C-2E3LF, H5C-2E3LF, F1100ELFhttps://www.foxonline.com/pdfs/PCN377.pdf
3694/27/2011Product Change NotificationFQ3225Bhttps://www.foxonline.com/pdfs/PCN369.pdf
3619/3/2010Pin Connection RecommendationFSRLF & FSXLFhttps://www.foxonline.com/pdfs/PCN361.pdf
3608/11/2010Recommended Solder Pad Layout ChangeNC26SMLFhttps://www.foxonline.com/pdfs/PCN360.pdf
3495/28/2010Product Specification ChangesAll Auto Grade Crystalshttps://www.foxonline.com/pdfs/PCN349.pdf
3843/12/2010Product Change NotificationFSRLFhttps://www.foxonline.com/pdfs/PCN384.pdf
3473/23/2010SMD Crystal Materials ChangesFQ3225B, FQ5032A & B, FQ1045Ahttps://www.foxonline.com/pdfs/PCN347.pdf
3463/23/2010SMD Crystal Specification ChangesFQ3225B & FQ1045Ahttps://www.foxonline.com/pdfs/PCN346.pdf
3454/13/2010Product Specification ChangesFOX923 & FOX923_GPhttps://www.foxonline.com/pdfs/PCN345.pdf
3423/4/2010T/R Specification ChangesNC26SMLFhttps://www.foxonline.com/pdfs/PCN342.pdf
3413/4/2010SMD Crystal Specification ChangesFDhttps://www.foxonline.com/pdfs/PCN341.pdf
3403/4/20103.2x2.5mm package carrier tape colorAll 3.2x2.5mm SMD productshttps://www.foxonline.com/pdfs/PCN340.pdf
3393/4/2010Product End of Life (EOL)FQAGhttps://www.foxonline.com/pdfs/PCN339.pdf
3333/24/2009Product Tape and Reel ChangesFQ1045Ahttps://www.foxonline.com/pdfs/PCN333.pdf
3317/8/2009Product End of Life (EOL)FSYhttps://www.foxonline.com/pdfs/PCN331.pdf
3307/2/2009Product End of Life (EOL)FOX307Hhttps://www.foxonline.com/pdfs/PCN330.pdf
3296/15/2009Product End of Life (EOL)F254https://www.foxonline.com/pdfs/PCN329.pdf
3266/5/2009Product Frequency Range ChangesHC49SLF, HC49SDLF, HC49SSLF, HC49SSDLFhttps://www.foxonline.com/pdfs/PCN326.pdf
3256/3/2009Product Dimensional ChangesNC15LFhttps://www.foxonline.com/pdfs/PCN325.pdf
3245/7/2009Product Tape and Reel Specification Changes5x3.2mm HCMOS clock oscillators; F510, F520, F530L, F530LA, F540, F550L, F550H series 5x3.2 All Quartz crystals: FQ5032 serieshttps://www.foxonline.com/pdfs/PCN324.pdf
3233/24/2009Product Height ChangeFOX923 Serieshttps://www.foxonline.com/pdfs/PCN323.pdf
3212/25/2009Product Process ChangeFTE Series OCXOshttps://www.foxonline.com/pdfs/PCN321.pdf
3192/25/2009Product End of Life (EOL)Non RoHS compliant FTS, FTE & FHS Series OCXOshttps://www.foxonline.com/pdfs/PCN319.pdf
3182/4/2009Product Specification ChangeF4600 Series & F4620 Serieshttps://www.foxonline.com/pdfs/PCN318.pdf
31712/30/2008Marking Specifications on Fox DatasheetsAll Fox Productshttps://www.foxonline.com/pdfs/pcn317.pdf
31210/21/2008Product End of Life (EOL)FOX783https://www.foxonline.com/pdfs/PCN312.pdf
31110/21/2008Product Recommended Solder Pad Layout ChangeF310, F330, F340 Serieshttps://www.foxonline.com/pdfs/PCN311.pdf
31010/21/2008Product Process ChangeFX252BS Serieshttps://www.foxonline.com/pdfs/PCN310.pdf
3047/15/2008Product End of Life (EOL)HC49ULFWhttps://www.foxonline.com/pdfs/PCN304.pdf
3026/9/2008Product End of Life (EOL)FX532C Serieshttps://www.foxonline.com/pdfs/PCN302.pdf
3016/9/2008Product Specification ChangesFOX801LF & FOX801BHCLF Serieshttps://www.foxonline.com/pdfs/PCN301.pdf
2995/27/2008Product Frequency Range ChangeF230 Series & F240 Serieshttps://www.foxonline.com/pdfs/PCN299.pdf
2984/28/2008Product Specification ChangesFOX331https://www.foxonline.com/pdfs/PCN298.pdf
2974/14/2008Product Process ChangeFPC Series OCXOshttps://www.foxonline.com/pdfs/PCN297.pdf
2894/28/2008Product Process ChangeFSXLF & FSRLFhttps://www.foxonline.com/pdfs/PCN289.pdf
28811/20/2007Product Pin Documentation ChangesXpressO HCMOS Single Output XOs: 5x3.2mm and 7.5x5mm packageshttps://www.foxonline.com/pdfs/PCN288.pdf
2872/25/2008Package ChangeFX252Bhttps://www.foxonline.com/pdfs/PCN287.pdf
2862/25/2008Product Specification ChangesF254https://www.foxonline.com/pdfs/PCN286.pdf
2842/25/2008Product Process ChangeFSXLFhttps://www.foxonline.com/pdfs/PCN284.pdf
28310/22/2007Product Specification ChangesF254https://www.foxonline.com/pdfs/PCN283.pdf
2822/26/20087.5x5mm HCMOS 1.8V-2.85V Oscillators Optional Height DiscontinuanceF4300, F4400, F4500https://www.foxonline.com/pdfs/PCN282.pdf
28010/22/2007Product Dimensional ChangesAll Fox SMD products dimensional drawingshttps://www.foxonline.com/pdfs/PCN280.pdf
2769/4/2007Product Dimensional ChangesAll Quartz SMD Crystals: FQ5032 Series, FQ6035 Series, FQ7050 Serieshttps://www.foxonline.com/pdfs/PCN276.pdf
2818/28/2007Product End of Life (EOL)Fox non RoHS compliant product families: HC49U, HC49S, HC49SS, HC49SD, HC49SSD, FPX, FSM, FSR, FSX, NC15, NC26 Series, NC38, All Monolithic Crystal Filters, F1100E Series, F5C-2E Series, H5C-2E Series, VCXO-B Series, VCXO-C Series, VCXO-D Series, VCXO-CH Series, VCXO-DH Series, F7250 Series, F7350 Series, FOX801 Series.https://www.foxonline.com/pdfs/pcn281.pdf
2788/9/2007Oscillators Height ChangeF4400 and F4500 series oscillatorshttps://www.foxonline.com/pdfs/PCN278.pdf
2757/26/2007Product Dimensional ChangesAll 5x3.2mm Ceramic SMD 4 pad HCMOS Oscillatorshttps://www.foxonline.com/pdfs/PCN275.pdf
2747/26/2007End of LifeFSOLF Serieshttps://www.foxonline.com/pdfs/PCN274.pdf
2727/26/2007Product Specification ClarificationF330A Serieshttps://www.foxonline.com/pdfs/PCN272.pdf
2665/10/2007End of LifeFOX465https://www.foxonline.com/pdfs/PCN266.pdf
2695/8/2007End of LifeF5L All Versionshttps://www.foxonline.com/pdfs/PCN269.pdf
2675/8/2007Product Specification ChangesFOX924 Serieshttps://www.foxonline.com/pdfs/PCN267.pdf
2612/15/2007End of LifeRFXO Series All Versionshttps://www.foxonline.com/pdfs/PCN261.pdf
2592/7/2007Product Frequency Range ChangeHC49SSLF, HC49SSDLFhttps://www.foxonline.com/pdfs/PCN259.pdf
2601/26/2007Part MarkingFSRLF / FSMLFhttps://www.foxonline.com/pdfs/PCN260.pdf
2581/9/2007Product Dimensional ChangesFQ1045Ahttps://www.foxonline.com/pdfs/PCN258.pdf
25212/5/2006End of LifeHC49SPX Serieshttps://www.foxonline.com/pdfs/PCN252.pdf
25712/4/2006Dimensional ChangesHC49SDLF Serieshttps://www.foxonline.com/pdfs/PCN257.pdf
25611/9/2006End of LifeJITO-2, JITO-T Product Linehttps://www.foxonline.com/pdfs/PCN256.pdf
2205/24/2006Product Process ChangeFSMLF, FSMALF, FSRLFhttps://www.foxonline.com/pdfs/PCN220.pdf
2495/15/2006End of LifeFX425A / FX325Bhttps://www.foxonline.com/pdfs/PCN249_FX325B_FX425A_EOL.pdf
2475/1/2006Frequency Range ChangeJITO-2, JITO-Thttps://www.foxonline.com/pdfs/PCN247%20JITO-2_T%20lower%20freq%20limit%20change.pdf
2423/15/2006End of Life5 Volt versions of JITO-2 and JITO-Thttps://www.foxonline.com/pdfs/PCN242%205V%20JITO-2%20and%20JITOT%20EOL.pdf
2402/2/2006End of LifeFSNhttps://www.foxonline.com/pdfs/PCN240%20FSN%20EOL.pdf
23712/19/2005Product Process ChangeF5L-F, F5L-4Fhttps://www.foxonline.com/pdfs/PCN237F5LF_4FSeriesPackageChange.pdf
23611/7/2005End of LifeReal Time Clockshttps://www.foxonline.com/pdfs/PCN236RTCEOL.pdf
2235/2/2005Product Process ChangeVarious Products - see PCNhttps://www.foxonline.com/pdfs/PCN223.pdf
2244/19/2005End Of LifeFSThttps://www.foxonline.com/pdfs/PCN244.pdf
21512/17/2004Product Marking ChangeFSR, FSM and FSXhttps://www.foxonline.com/pdfs/PCN215.pdf
18811/14/2003End of LifeKFO Serieshttps://www.foxonline.com/pdfs/PCN188.pdf
1829/1/2003Part Marking ChangeVarious Products - see PCNhttps://www.foxonline.com/pdfs/pcn182.pdf
1715/9/2003Product Process ChangeF530L Serieshttps://www.foxonline.com/pdfs/PCN171.pdf
1704/16/2003End of LifeFSPhttps://www.foxonline.com/pdfs/ecn170.pdf
1594/1/2002SMD Product Part MarkingVarious Products - see PCNhttps://www.foxonline.com/pdfs/Pcn_159.pdf
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