Seiko Instruments Inc.- 晶体

精工电子有限公司（Seiko Instruments Inc.，简称SII）成立于1937年，是精工集团旗下的核心制造企业，总部位于日本千叶县。公司依托数十载精密制表工艺，专注于微机电、纳米技术及超低功耗技术的研发与应用。主要业务涵盖电子元器件、硬盘驱动器（HDD）组件、大幅面喷墨打印机、网络解决方案和科学仪器。SII在石英晶体器件领域尤其突出，产品包括MHz频段晶体单元、32.768 kHz音叉晶体及高精度温补/恒温晶体振荡器。其产品线还包括采用晶体技术的实时时钟（RTC）、电压检测器及电源管理CMOS集成电路。旗下SML系列音叉晶体和SPXO系列晶体振荡器广泛应用于消费电子、汽车电子和物联网设备。凭借数十年创新积累的全球声誉，SII跻身世界顶级石英晶体制造商之列，与NDK、KDS等企业直接竞争。在微型化、频率稳定性和超低功耗方面的技术优势使其在电子元器件市场独树一帜。SII持续通过研发投入与MEMS工艺应用，推动时间同步解决方案的新突破。

晶体 - 型号列表

共 14 个型号

制造商零件编号	库存	价格	频率	负载电容	封装形式	工作温度	包装方式	安装类型	尺寸/外形	频率容差	类型	标准包装数量	工作模式	ESR（等效串联电阻）	RoHS	高度	其他名称	产品类别	工厂包装数量	系列	容差	安装样式	端接样式	制造商	频率稳定度	引脚间距	卡标准	单元数量	海关税号	精度	核心类型	输出1频率	重量	引脚数	第一连接器安装类型	零件状态	安装高度（最大）	供应商器件封装	额定等级
5 SSPT7F-7PF20PPM SSP-T7-F / 32.768KHZ / 7PF / +/-20PPM CRYSTAL 32.768KHZ 7PF SMD seiko instruments	10	3000: ¥3.1059	32.768kHz	7pF	4-SMD, Flat Lead (3 Leads)	-40°C ~ 85°C	Tape & Reel (TR)	Surface Mount	0.264" L x 0.059" W (6.70mm x 1.50mm)	±20ppm	kHz Crystal (Tuning Fork)	3,000	Fundamental	65 kOhm	Lead free / RoHS Compliant	0.055" (1.40mm)	728-1002-6	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
3 VT200F-6PF20PPM VT-200-F / 32.768KHZ / 6PF / +/-20PPM CRYSTAL 32.768KHZ 6PF THRU Crystals 32.768kHZ 6PF 20PPM seiko instruments	10330	1: ¥2.04	32.768kHz	6pF	Cylindrical Can, Radial	-10°C ~ 60°C	Bulk	Through Hole	0.074" Dia x 0.236" L (1.88mm x 6.00mm)	±20ppm	kHz Crystal (Tuning Fork)	10,000	Fundamental	50 kOhm	RoHS Compliant	0.236" (6.00mm)	-	Crystals	10000	-	20 PPM	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
5 SSPT7F-12.5PF20PPM SSP-T7-F / 32.768KHZ /12.5PF / +/-20PPM CRYSTAL 32.768KHZ 12.5PF SMD seiko instruments	10	3000: ¥3.1059	32.768kHz	12.5pF	4-SMD, Flat Lead (3 Leads)	-40°C ~ 85°C	Tape & Reel (TR)	Surface Mount	0.264" L x 0.059" W (6.70mm x 1.50mm)	±20ppm	kHz Crystal (Tuning Fork)	3,000	Fundamental	65 kOhm	Lead free / RoHS Compliant	0.055" (1.40mm)	728-1003-2	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
SSPT7F-12.5PF10PPM CRYSTAL CRYSTAL 32.768KHZ 12.5PF SMD seiko instruments	10	3000: ¥3.6235	32.768kHz	12.5pF	4-SMD, Flat Lead (3 Leads)	-40°C ~ 85°C	Tape & Reel (TR)	Surface Mount	0.264" L x 0.059" W (6.70mm x 1.50mm)	±10ppm	kHz Crystal (Tuning Fork)	3,000	Fundamental	65 kOhm	-	0.055" (1.40mm)	Q5374966	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
3 VT200F-12.5PF20PPM VT-200-F / 32.768KHZ / 12.5PF / +/-20PPM CRYSTAL 32.768KHZ 12.5PF Crystals 32.768kHz 12.5pF seiko instruments	8183	37: ¥1.8068	32.768kHz	12.5pF	Cylindrical Can, Radial	-10°C ~ 60°C	Bulk	Through Hole	0.074" Dia x 0.236" L (1.88mm x 6.00mm)	±20ppm	kHz Crystal (Tuning Fork)	500	Fundamental	50 kOhm	RoHS Compliant	0.236" (6.00mm)	-	Crystals	10000	VT200	20 PPM	Through Hole	Radial	-	-	6 mm	-	-	-	-	-	-	-	-	-	-	-	-	-
SP-T1B 12.5PF +/- 20PPM クリスタル 32.768kHz +/-20ppm Crystals 32.768kHz +/-20ppm Seiko Instruments	10	1: ¥5.44	32.768 kHz	12.5 pF	-	- 40 C to + 85 C	Reel	-	4.06 mm W x 9.4 mm L x 3 mm H	-	-	-	-	-	No	-	-	Crystals	2000	SPT	20 PPM	SMD/SMT	SMD/SMT	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Q22MA4061063600 SMD HIGH-FREQUENCY CRYSTAL UNIT seiko instruments	-		-	-	4SMD	-	-	Surface Mount	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
SSPT7F-9PF20PPM Crystals 32.768KHz 20PPM 9pF Seiko Instruments	10	1950: ¥3.2028	32.768 kHz	9 pF	-	- 40 C to + 85 C	Reel	-	1.5 mm W x 7 mm L x 0.15 mm H	-	-	-	-	-	RoHS Compliant	-	-	Crystals	3000	SSP	20 PPM	SMD/SMT	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Q13MC4051000200 KHZ RANGE CRYSTAL UNIT SMD seiko instruments	-		-	-	4SMD	-	-	Surface Mount	-	-	-	Tape & Reel	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
SSPT7F-12.5PF5PPM SSPT7F-12.5PF5PPM CRYSTAL 32.768KHZ 12.5PF SMD seiko instruments	1316	5: ¥1.6508	32.768kHz	12.5pF	4-SMD, Flat Lead (3 Leads)	-40°C ~ 85°C	Tape & Reel (TR)	Surface Mount	0.264" L x 0.059" W (6.70mm x 1.50mm)	±5ppm	kHz Crystal (Tuning Fork)	3,000	Fundamental	65 kOhm	-	0.055" (1.40mm)	Q4614362	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
SSPT7F-12.5PF20-R SSP-T7-F / 32.768KHZ /12.5PF / +/-20PPM CRYSTAL 32.768KHZ 12.5PF SMD Crystals 32.768kHz +/-20ppm seiko instruments	524	15: ¥4.624	32.768kHz	12.5pF	4-SMD, Flat Lead (3 Leads)	-40°C ~ 85°C	Tape & Reel (TR)	Surface Mount	0.264" L x 0.059" W (6.70mm x 1.50mm)	±20ppm	kHz Crystal (Tuning Fork)	3,000	Fundamental	65 kOhm	Lead free / RoHS Compliant	0.055" (1.40mm)	728-1064-1	Crystals	3000	SSP-T	20 PPM	SMD/SMT	SMD/SMT	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
SSPT7F-7PF20-R SSP-T7-F / 32.768KHZ / 7PF / +/-20PPM クリスタル Quartz Crystal Unit 32.768KHZ 7pF CRYSTAL 32.768KHZ 7PF SMD Crystals Quartz Crystal Unit 32.768KHZ 7pF seiko instruments	10	3000: ¥2.3997	32.768kHz	7pF	Reel	-40°C ~ 85°C	Tape & Reel (TR)	Surface Mount	0.264" L x 0.059" W (6.70mm x 1.50mm)	±20ppm	kHz Crystal (Tuning Fork)	3,000	Fundamental	65 kOhm	RoHS 認証	0.055" (1.40mm)	728-1065-1	Crystals	3000	-	-	-	-	Seiko Instruments	-	-	クリスタル	3000	-	-	-	-	-	-	-	-	-	-	-
VT-200-F, +/-20PPM, 12,5PF XTAL 32.768KHZ, 20PPM, 12, 5PF SEIKO INSTRUMENTS	-		:32.768kHz	:12.5pF	:Radial Leaded	:-10°C	-	-	-	:± 20ppm	:Crystal Oscillator	-	-	-	-	-	-	-	-	:VT-200	-	-	-	-	:-	-	-	-	85416000	:± 20ppm	:Cylinder	:32.768kHz	0.000052	:2	:Through Hole	-	-	-	-
SC32S-9PF20PPM . SC32S-9PF20PPM - 32.768 kHz ±20ppm Crystal 9pF 70 kOhms 2-SMD, No Lead from Seiko Instruments. from now! Seiko Instruments Inc.	3000	3000: ¥3.2898	32.768 kHz	9pF	2-SMD, No Lead	-40°C ~ 85°C	Tape & Reel (TR)	Surface Mount	0.126" L x 0.059" W (3.20mm x 1.50mm)	±20ppm	kHz Crystal (Tuning Fork)	-	Fundamental	70 kOhms	-	-	-	-	-	SC32S	-	-	-	Seiko Instruments	-	-	-	-	-	-	-	-	-	-	-	Active	0.033" (0.85mm)	2-SMD (3.2x1.5)	-