Model names of surface-mount (SMD) products from NDK.
![Image of NDK's NX3215SE Series Low ESR SMD Crystals](http://www.digikey.cn/-/media/Images/Product%20Highlights/N/NDK/NX3215SE%20Series%20SMD%20Crystals/ndk-nx3215se-series-smd-crystals-90.jpg?la=zh-CN-rmb&ts=8b54fb46-3ae6-41bd-b5f1-08d5b9069ea7)
NDK 的 NX3215SE 系列 3.2 mm x 1.5 mm 音叉晶体具有低等效串联电阻 (ESR)(典型值 20 kΩ,最大 40 值 kΩ)。
![644-1215-ND](http://www.digikey.cn/-/media/Images/PTM/N/NDK/QCM%20Sensors/QCM_sm.jpg?la=zh-CN-rmb&ts=6162fe53-ad48-4160-ab90-9471ca73128a)
Quart Crystal Microbalance (QCM) sensors are used for small mass level measurement, and works with mass load effect of the quartz crystal and antigen.
Duration: 5 minutes![13MHz SMD Oscillator](http://www.digikey.cn/-/media/Images/PTM/N/NDK/TCXO%20Portfolio/TCXO-Portfolio_sm.jpg?la=zh-CN-rmb&ts=2bc334df-3dd3-4a6e-a354-35ad729b886b)
The advantages of using TCXOs over discrete oscillation designs and NDK's TCXO product offering.
Duration: 5 minutes![Image of NDK's NZ2520SB Series SMD Oscillators](http://www.digikey.cn/-/media/Images/Product%20Highlights/N/NDK/NZ2520SB%20Series%20SMD%20Oscillators/thumbnail90-ndk-nz2520sb-series.jpg?la=zh-CN-rmb&ts=e2a71f4c-5883-498d-b538-ddb37848834e)
NDK introduces the NZ2520SB series 32.768 KHz SMD oscillators in an ultra-compact, thin and light 2.5 mm x 2.0 mm x 0.9 mm package size.
![Image of NDK's NX1612AA Series SMD Crystal](http://www.digikey.cn/-/media/Images/Product%20Highlights/N/NDK/NX1612AA%20Series%20SMD%20Crystal/thumbnail90-NDK_NX1612AA.jpg?la=zh-CN-rmb&ts=b8827fa6-1c41-4b4a-9083-bf489fcd44c6)
NX1612AA Series SMD Crystal is designed to meet the specifications of BL6450 (BLink™7 Solutions) chipset from Texas Instruments.
![Image of NDK's NX3225GA Series SMD Crystals](http://www.digikey.cn/-/media/Images/Product%20Highlights/N/NDK/NX3225GA%20Series%20SMD%20Crystals/NDK_NX3225GAthumbnail90.jpg?la=zh-CN-rmb&ts=19a78807-a4ba-40b6-a8f9-b163b57dced8)
NX3225GA Surface Mount Series SMD crystals in an ultra compact, thin 3.2 x 2.5 x 0.75 mm package size. The NX3225GA small surface-mount type is especially suited for small-sizing requirements.
![Image of NDK's NX3215SA Series 32.768KHz SMD Crystals](http://www.digikey.cn/-/media/Images/Product%20Highlights/N/NDK/NX3215SA%20Series%2032_768KHz%20SMD%20Crystals/NDK_NX3215SAthumbnail90.jpg?la=zh-CN-rmb&ts=3bba2d3f-077f-42d4-be67-dd26fbe18ce6)
NX3215SA Surface Mount Series 32.768 kHz SMD tuning fork crystals in an ultra compact, thin, and light 3.2 x 1.5 x 0.8 mm package size. The NX3215SA has a metal lid which makes it shock resistant during chip mounting process compared to a glass lid.
Digi-Key Corporation and Nihon Dempa Kogyo Co., Ltd. (NDK) announce the signing of a global distribution agreement.
Crystal clock oscillator terminology and precautions for use, from NDK.
This document has information on handling, packing, and package indications of NDK's 2700-series crystal oscillators.
This sheet shows measured load conditions and circuit diagrams for NDK's crystal clock oscillator.
This is page 3 of NDK's quartz crystal units precautions for Reflow Soldering.
This document has information on handling, packing, and package indications of NDK's NZ2016S series.
NDK's crystal clock oscillator terminology and precautions for use.
The following circuit diagrams are examples of the oscillation circuits recommended when crystal units are used. File is in Japanese.