希华晶体科技成立于1988年，专精于石英频率控制元件之研发、设计、生产与销售。从人工晶棒长成到最终产品，透过最佳团队组合及先进之生产技术，建立完整产品线，包含人工水晶、石英晶片、SAW WAFER，以及石英晶体、晶体振荡器、晶体滤波器、温度补偿型及电压控制型产品等晶振，以健全的供应链系统，为客户提供全方位的服务。
In response to the rapid-growing demand for global telecommunications, Siward was established in 1988. We are world leading manufacturer in crystals and oscillators industry, providing products range from synthetic quartz to in-house design and manufacture crystal units. Focusing on cutting-edge technology development and professional R&D teams are our strength. We are able to supply a broad product portfolio, including X'tal, OSC, TCXO, VCXO and VCTCXO to meet customers demand from different industries and applications.

产品应用范围包含行动电话、平板电脑、卫星通讯、车载系统、全球定位系统、个人电脑、无线通信及家用产品等，扮演基本信号源产生、传递、滤波等功能。持续致力于技术研究开发及品质落实扎根，营运据点遍布台湾、中国大陆、日本、新加坡、美国及欧洲等世界各地，使希华得以提供服务予世界电子大厂。
Our products are widely for applications in networking communication, mobile, PC/NB, consumers, IoT, wearable, GPS, industrial and automotive. We serve customers throughout our sales offices, R&D centers, and manufacturing facilities spread over Taiwan, Mainland China, Japan, Malaysia, the United States, and Europe. We has consistently experienced strong growth by building solid partnership with our customers since we are not only deliver the best quality of crystal products, but also support our customer to be a leading company in the industry.

敏锐地掌握电子产品轻薄短小化、快速光电宽频传输与高频通讯的发展主流，致力于开发小型化、高频与光电领域等产品，与日本同业并驾齐驱。且深耕微机电 (MEMS) 技术领域，加速导入TF SMD Crystal的量产，借以扩大公司营收规模并且提升获利空间。
Siward is able to grasp the development mainstream of the electronic products keenly and dedicated to developing the miniaturized, high-frequency and optoelectronic products to keep pace with the Japanese competitors. To utilize the MEMS technology on TF SMD Crystal manufacture process, and so as to expand the market scale and raise the profitability.

藉由台湾、日本、大陆三地的产品设计开发与制程资源整合，不断开发创新及制程改造，以全系列完整产品线，来满足客户对石英元件多样化的需求。积极地透过产学合作与配合国外技术引进开发新产品，并投资海外同业大厂，发展国防卫星等高阶产品，多角化经营、扩大市场领域，此亦为公司得以永续经营的方针。

By means of advanced technology, Siward is devoted to providing its customers with innovative, high value-added product portfolios. Its full series of production lines are flexibly employed to develop all kinds of crystal component applications, ensuring the company to stay one step ahead with business opportunities secured and synergies achieved.技术支持

SIWARD原厂编码	生产商品牌	型号	频率	频率偏差度	负载电荷	工作温度
XTL721-Q23-048	Siward晶振	XTL72	32.768 kHz	±20ppm	6pF	-40°C ~ 85°C
XTL721-S349-005	Siward晶振	XTL72	32.768 kHz	±20ppm	7pF	-40°C ~ 85°C
XTL721-S999-301	Siward晶振	XTL72	32.768 kHz	±20ppm	9pF	-40°C ~ 85°C
XTL721-S999-429	Siward晶振	XTL72	32.768 kHz	±20ppm	6pF	-40°C ~ 85°C
XTL741-S999-319	Siward晶振	XTL74	32.768 kHz	±20ppm	9pF	-40°C ~ 85°C
XTL741-U11-402	Siward晶振	XTL74	32.768 kHz	±20ppm	7pF	-40°C ~ 85°C
XTL741-S999-298	Siward晶振	XTL74	32.768 kHz	±20ppm	12.5pF	-40°C ~ 85°C
XTL741-S999-379	Siward晶振	XTL74	32.768 kHz	±20ppm	7pF	-40°C ~ 85°C
XTL741-S999-327	Siward晶振	XTL74	32.768 kHz	±20ppm	4pF	-40°C ~ 85°C
XTL721-S999-286	Siward晶振	XTL72	32.768 kHz	±20ppm	12.5pF	-40°C ~ 85°C
XTL751-S999-544	Siward晶振	XTL75	32.768 kHz	±20ppm	12.5pF	-40°C ~ 85°C
XTL751-S999-548	Siward晶振	XTL75	32.768 kHz	±20ppm	9pF	-40°C ~ 85°C
XTL751-S999-420	Siward晶振	XTL75	32.768 kHz	±20ppm	7pF	-40°C ~ 85°C
CGX70502-13.800-G108	Siward晶振	CGX-70502	13.8 MHz	±50ppm	16pF	-10°C ~ 60°C
CGX70502-14.050-G109	Siward晶振	CGX-70502	14.05 MHz	±50ppm	16pF	-10°C ~ 60°C
CGX70502-14.800-H134	Siward晶振	CGX-70502	14.8 MHz	±50ppm	16pF	-10°C ~ 60°C
CGX70502-15.425-H135	Siward晶振	CGX-70502	15.425 MHz	±50ppm	16pF	-10°C ~ 60°C
CGX70502-15.925-H136	Siward晶振	CGX-70502	15.925 MHz	±50ppm	16pF	-10°C ~ 60°C
CGX70502-16.300-H137	Siward晶振	CGX-70502	16.3 MHz	±50ppm	16pF	-10°C ~ 60°C
XTL581100-J96-011	Siward晶振	SX-2520	16 MHz	±10ppm	8pF	-20 ℃~70 ℃
XTL571200-K114-002	Siward晶振	SX-3225	12 MHz	±10ppm	10pF	-40°C ~ 85°C
XTL571150-F98-063	Siward晶振	SX-3225	24 MHz	±15ppm	18pF	-20 ℃~70 ℃
XTL571100-H201-493	Siward晶振	SX-3225	25 MHz	±10ppm	12pF	-20 ℃~70 ℃
XTL541200-C282-030	Siward晶振	SX-5032	8 MHz	±20ppm	20pF	-40°C ~ 85°C
XTL5A1100-M118-056	Siward晶振	SXT-2520	26 MHz	±10ppm	7pF	-30°C ~ 85°C
XTL5A1100-M118-132	Siward晶振	SXT-2520	26 MHz	±10ppm	7pF	-30°C ~ 105°C
XTL5A1100-S362-009	Siward晶振	SXT-2520	26 MHz	±10ppm	9pF	-30°C ~ 85°C
XTL55S16-S208-018TR4	Siward晶振	SX-4025	16 MHz	±10ppm	9pF	-20 ℃~75 ℃
XTL721-G78-1609	Siward晶振	CSF-3215	32.768 kHz	±20ppm	12.5pF	-40°C ~ 85°C
XTL741-R53-039	Siward晶振	SF-2012	32 kHz	±20ppm	12.5pF	-40°C ~ 85°C
XTL741-S999-321	Siward晶振	SF-2012	32.768 kHz	±20ppm	12.5pF	-40°C ~ 85°C
XTL501100-F98-044	Siward晶振	SX-2016	24 MHz	±10ppm	8pF	-20 ℃~75 ℃
XTL501100-S413-007	Siward晶振	SX-2016	32 MHz	±10ppm	9pF	-20 ℃~75 ℃
XTL541200-C282-030	Siward晶振	SX-5032	8 MHz	±20ppm	20pF	-40°C ~ 85°C
XTL571100-C249-064	Siward晶振	SX-3225	37.4 MHz	±10ppm	10pF	-10°C ~ 70°C
XTL571100-F98-020	Siward晶振	SX-3225	12 MHz	±10ppm	10pF	-20 ℃~70 ℃
XTL571100-H201-493	Siward晶振	SX-3225	25 MHz	±10ppm	12pF	-20 ℃~70 ℃
XTL571100-M118-048	Siward晶振	SX-3225	26 MHz	±10ppm	7.3pF	-20 ℃~75 ℃
XTL571100-N98-008	Siward晶振	SX-3225	25 MHz	±10ppm	20pF	-20 ℃~75 ℃
XTL571150-F98-063	Siward晶振	SX-3225	24 MHz	±15ppm	18pF	-20 ℃~75 ℃
XTL571150-G47-219	Siward晶振	SX-3225	25 MHz	±10ppm	18pF	-40°C ~ 85°C
XTL571150-M118-070	Siward晶振	SX-3225	40 MHz	±7ppm	13pF	-40°C ~ 85°C
XTL571200-H201-177	Siward晶振	SX-3225	32 MHz	±10ppm	9pF	-40°C ~ 85°C
XTL571200-V42-001	Siward晶振	SX-3225	12 MHz	±20ppm	20pF	-10°C ~ 70°C
XTL571300-U11-279	Siward晶振	SX-3225	12 MHz	±30ppm	12pF	-40°C ~ 85°C
XTL581100-J96-011	Siward晶振	SX-2520	16 MHz	±10ppm	8pF	-20 ℃~70 ℃
XTL581100-M171-008	Siward晶振	SX-2520	38.4 MHz	±10ppm	10pF	-30°C ~ 85°C
XTL581200-G47-319	Siward晶振	SX-2520	12 MHz	±10ppm	10pF	-40°C ~ 85°C
XTL581150-G47-223	Siward晶振	SX-2520	40 MHz	±10ppm	12pF	-30°C ~ 85°C
XTL501300-A292-004	Siward晶振	SX-2016	16 MHz	±20ppm	9pF	-40°C ~ 85°C