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Est. 1984

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    NKG’s Surface Mount Device (SMD) crystals range from 1.2mm x 1.0mm to 7.0mm x 5.0mm in 4 Pad and 2 Pad versions. Choose from reliable seam seal packages and cost-effective cement or glass seal options, offering a wide frequency range in fundamental mode and 3rd overtone. Customized lead lengths are available, including automotive-grade crystals per AEC-Q200 upon request.

    Quartz Crystal Units in Ceramic Seam Seal SMD Packages

    DeviceDatasheetFrequency№ of PADSStability
    (PPM)    		Temp. Range
    (°C)    		Package Size
    (mm2)    		Features
    S1SMhttps://nkg.com.hk/wp-content/uploads/datasheet/NKG_Xtal_SMD_1210_S1SM.pdf32.0 ~ 80.0MHz4±10
    ±20
    ±30
    ±50    		 –20 ~ +70
    –40 ~ +85
    –40 ~ +125    		1.2 x 1.0Fundamental
    S1Mhttps://nkg.com.hk/wp-content/uploads/datasheet/NKG_Xtal_SMD_1612_S1M.pdf24 ~ 60MHz4±10
    ±25
    ±50
    ±100    		–20 ~ +70
    –40 ~ +85
    –40 ~ +125    		1.6 x 1.2Fundamental
    S2SMhttps://nkg.com.hk/wp-content/uploads/datasheet/NKG_Xtal_SMD_2016_S2SM.pdf16 ~ 60MHz
    		4±10
    ±25
    ±50
    ±100
    		–20 ~ +70
    –40 ~ +85
    –40 ~ +125"
    		2.0 x 1.6
    		Fundamental
    S2Mhttps://nkg.com.hk/wp-content/uploads/datasheet/NKG_Xtal_SMD_2520_S2M.pdf12 ~ 60MHz
    		4±10
    ±25
    ±50
    ±100
    		–20 ~ +70
    –40 ~ +85
    –40 ~ +125    		2.5 x 2.0
    		Fundamental
    S3Mhttps://nkg.com.hk/wp-content/uploads/datasheet/NKG_Xtal_SMD_3225_S3M.pdf12 ~ 60MHz
    54 ~ 120MHz
    		4±10
    ±25
    ±50
    ±100
    		–20 ~ +70
    –40 ~ +85
    –40 ~ +125    		3.2 x 2.5
    		Fundamental
    3rd Overtone
    S4Mhttps://nkg.com.hk/wp-content/uploads/datasheet/NKG_Xtal_SMD_4025_S4M.pdf10 ~ 60MHz4±10
    ±25
    ±50
    ±100
    		–20 ~ +70
    –40 ~ +85
    –40 ~ +125    		4.0 x 2.5*Fundamental
    S5CAhttps://nkg.com.hk/wp-content/uploads/datasheet/NKG_Xtal_SMD_5032_2pads_S5CA.pdf8 ~ 55MHz
    40 ~ 150MHz    		2* (Not recommended for new designs)±10
    ±25
    ±50
    ±100
    		–20 ~ +70
    –40 ~ +85
    –40 ~ +125    		5.0 x 3.2Fundamental
    3rd Overtone
    S5Mhttps://nkg.com.hk/wp-content/uploads/datasheet/NKG_Xtal_SMD_5032_S5M.pdf8 ~ 55MHz
    40 ~ 150MHz    		4±10
    ±25
    ±50
    ±100
    		–20 ~ +70
    –40 ~ +85
    –40 ~ +125    		5.0 x 3.2Fundamental
    3rd Overtone
    S6CAhttps://nkg.com.hk/wp-content/uploads/datasheet/NKG_Xtal_SMD_6035_2pads_S6CA.pdf7.5 ~ 54MHz
    36 ~ 150MHz    		2* (Not recommended for new designs)±10
    ±25
    ±50
    ±100
    		–20 ~ +70
    –40 ~ +85
    –40 ~ +125    		6.0 x 3.5Fundamental
    3rd Overtone
    S6Mhttps://nkg.com.hk/wp-content/uploads/datasheet/NKG_Xtal_SMD_6035_S6M.pdf7.5 ~ 54MHz
    36 ~ 150MHz    		4±10
    ±25
    ±50
    ±100
    		–20 ~ +70
    –40 ~ +85
    –40 ~ +125    		6.0 x 3.5Fundamental
    3rd Overtone
    S7CAhttps://nkg.com.hk/wp-content/uploads/datasheet/NKG_Xtal_SMD_7050_2pads_S7CA.pdf5.5 ~ 55MHz
    40 ~ 120MHz    		2* (Not recommended for new designs)±10
    ±25
    ±50
    ±100
    		–20 ~ +70
    –40 ~ +85
    –40 ~ +125    		7.0 x 5.0Fundamental
    3rd Overtone
    S7Mhttps://nkg.com.hk/wp-content/uploads/datasheet/NKG_Xtal_SMD_7050_S7M.pdf5.5 ~ 55MHz
    40 ~ 120MHz    		4±10
    ±25
    ±50
    ±100
    		–20 ~ +70
    –40 ~ +85
    –40 ~ +125    		7.0 x 5.0Fundamental
    3rd Overtone

    Quartz Crystal Units with Inbuilt Thermistor in Ceramic Seam Seal SMD

    DeviceDatasheetFrequency№ of PADSStability
    (PPM)    		Temp. Range
    (°C)    		Package Size
    (mm2)    		Features
    CT20Mhttps://nkg.com.hk/wp-content/uploads/datasheet/NKG_Thermistor_Xtal_2016_CT20M.pdf19.2MHz
    26.0MHz
    38.4MHz    		4±12–30 ~ +852.0 x 1.6Inbuilt Thermistor 100kΩ for temperature measurement directly at the crystal package.
    CT25Mhttps://nkg.com.hk/wp-content/uploads/datasheet/NKG_Thermistor_Xtal_2520_CT25M.pdf19.2MHz
    26.0MHz    		4±12–30 ~ +852.5 x 2.0Inbuilt Thermistor 100kΩ for temperature measurement directly at the crystal package.

    Quartz Crystal Units in HC-49/S Packages (SMD and THD Versions)

    DeviceDatasheetFrequency№ of PADSStability
    (PPM)    		Temp. Range
    (°C)    		Package Size
    (mm2)    		Features
    01-CR1-02 / 0801-CR1-02
    01-CR1-08    		https://nkg.com.hk/wp-content/uploads/datasheet/NKG_Xtal_HC-49S-THD2-pins.pdf3.2MHz ~ 40MHz
    30MHz ~ 90MHz    		2±10 to ±50–20 ~ +70
    –40 ~ +85    		HC-49/S THDFundamental
    3rd Overtone
    01-CR1-03 / 09 / 1301-CR1-03
    01-CR1-09
    01-CR1-13    		https://nkg.com.hk/wp-content/uploads/datasheet/NKG_Xtal_HC-49S-SMD2-pins.pdf3.2MHz ~ 40MHz
    30MHz ~ 90MHz    		2±10 to ±50–20 ~ +70
    –40 ~ +85    		HC-49/S SMDFundamental
    3rd Overtone
    01-CR1-32 / 3801-CR1-32
    01-CR1-38    		https://nkg.com.hk/wp-content/uploads/datasheet/NKG_Xtal_HC-49S-THD3-pins.pdf3.2MHz ~ 40MHz
    30MHz ~ 90MHz    		3±10 to ±50–20 ~ +70
    –40 ~ +85    		HC-49/S THDFundamental
    3rd Overtone
    01-CR1-33 / 39 / 5301-CR1-33
    01-CR1-39
    01-CR1-53    		https://nkg.com.hk/wp-content/uploads/datasheet/NKG_Xtal_HC-49S-SMD3-pins.pdf3.2MHz ~ 40MHz
    30MHz ~ 90MHz    		3±10 to ±50–20 ~ +70
    –40 ~ +85    		HC-49/S SMDFundamental
    3rd Overtone
    PCNNJ21001> PCN for above devices. Change of conductive adhesive starting May 2021, PCNNJ21001https://nkg.com.hk/wp-content/uploads/datasheet/NK-PCN_NJ21001.pdf

    Quartz Crystal Units in Metal Packages HC-49/U, HC-49/T, UM-1, UM-5 and Cylindrical thru-hole packages

    DeviceDatasheetFrequency№ of PinsStability
    (PPM)    		Temp. Range
    (°C)    		Package Size
    (mm2)    		Features
    01-CR1-01 / 3101-CR1-01
    01-CR1-31    		https://nkg.com.hk/wp-content/uploads/datasheet/NKG_Xtal_HC-49U.pdf1.8MHz ~ 40MHz
    20MHz ~ 150MHz    		2
    3    		±20
    ±30
    ±50    		–20 ~ +70
    –40 ~ +85    		HC-49/UFundamental
    3rd / 5th Overtone
    01-CR1-0401-CR1-04https://nkg.com.hk/wp-content/uploads/datasheet/NKG_Xtal_HC-49T.pdf1.8MHz ~ 40MHz
    20MHz ~ 150MHz    		2±20
    ±30
    ±50    		–20 ~ +70
    –40 ~ +85    		HC-49/TFundamental
    3rd / 5th Overtone
    01-CR1-05 / 3501-CR1-05
    01-CR1-35    		https://nkg.com.hk/wp-content/uploads/datasheet/NKG_Xtal_UM1_UM5.pdf8MHz ~ 40MHz
    30MHz ~ 100MHz
    90MHz ~ 125MHz    		2
    3    		±10
    ±15
    ±20
    ±30
    ±50    		–10 ~ +60
    -20 ~ +70
    –40 ~ +85    		UM-1Fundamental
    3rd / 5th Overtone
    01-CR1-06 / 3601-CR1-06
    01-CR1-36    		https://nkg.com.hk/wp-content/uploads/datasheet/NKG_Xtal_UM1_UM5.pdf8MHz ~ 40MHz
    30MHz ~ 100MHz
    90MHz ~ 125MHz    		2
    3    		±10
    ±15
    ±20
    ±30
    ±50    		–10 ~ +60
    -20 ~ +70
    –40 ~ +85    		UM-5Fundamental
    3rd / 5th Overtone
    01-CR3-01 / 0201-CR3-01
    01-CR3-02    		https://nkg.com.hk/wp-content/uploads/datasheet/NKG_Xtal_MetalCylinderPackages.pdf6MHz ~ 30MHz
    30MHz ~ 66MHz    		2±30 to ±100–10 ~ +60
    -20 ~ +70
    –40 ~ +85    		Ø2 x 6
    Ø3 x 8    		Fundamental
    3rd Overtone
    01-CR3-03 / 0401-CR3-03
    01-CR3-04    		https://nkg.com.hk/wp-content/uploads/datasheet/NKG_Xtal_MetalCylinderPackages.pdf6MHz ~ 30MHz
    30MHz ~ 66MHz    		2±30 to ±100–10 ~ +60
    -20 ~ +70
    –40 ~ +85    		Ø3 x 9
    Ø3 x 10    		Fundamental
    3rd Overtone

    Quartz crystal units in Resin mold SMD packages

    DeviceDatasheetFrequency№ of J-LeadsStability
    (PPM)    		Temp. Range
    (°C)    		Package Size
    (mm2)    		Features
    01-CR3-3801-CR3-38https://nkg.com.hk/wp-content/uploads/datasheet/NKG_Xtal_Resin_SMD_12x4_CR3-38.pdf6MHz ~ 30MHz
    30MHz ~ 66MHz    		4±30 to ±100–10 ~ +60
    –20 ~ +70
    –40 ~ +85    		12.5 x 4.6Fundamental
    3rd Overtone
    01-CR3-45 / 4601-CR3-45
    01-CR3-46    		https://nkg.com.hk/wp-content/uploads/datasheet/NKG_Xtal_Resin_SMD_10x4_CR3-4x.pdf6MHz ~ 30MHz
    30MHz ~ 66MHz    		4±30 to ±100–10 ~ +60
    –20 ~ +70
    –40 ~ +85    		10.4 x 4.1Fundamental
    3rd Overtone

    Quartz Crystal Units in Ceramic Glass Seal SMD Packages

    DeviceDatasheetFrequency№ of J-LeadsStability
    (PPM)    		Temp. Range
    (°C)    		Package Size
    (mm2)    		Features
    S3Ghttps://nkg.com.hk/wp-content/uploads/datasheet/NKG_Xtal_Glass_Seal_3225_S3G_EOL.pdfEOL NOTICE from 31-10-2019
    S5GAhttps://nkg.com.hk/wp-content/uploads/datasheet/NKG_Xtal_Glass_Seal_5032_2pads_S5GA.pdf8MHz ~ 54MHz
    40MHz ~ 80MHz    		2±20
    ±30
    ±50    		–20 ~ +70
    –40 ~ +85    		5.0 x 3.2
    		Fundamental
    3rd Overtone
    S6GAhttps://nkg.com.hk/wp-content/uploads/datasheet/NKG_Xtal_Glass_Seal_6035_2pads_S6GA.pdf8MHz ~ 54MHz
    40MHz ~ 80MHz    		2±20
    ±30
    ±50    		–20 ~ +70
    –40 ~ +85    		6.0 x 3.5Fundamental
    3rd Overtone
    S8GAhttps://nkg.com.hk/wp-content/uploads/datasheet/NKG_Xtal_Glass_Seal_8045_S8GA_EOL.pdfEOL NOTICE from 31-10-2017