SJK: High-precision oscillators & filters for global tech industries.
sjk@q-crystal.com+86 755 8835 2869
7K Series SMD 32.768kHz Crystal Unit
• 1610 size Ultra miniature SMD tuning fork crystal units with low profile of 0.5mm
• A ceramic package with metal lid providing high precision and reliability
• Excellent heat resistance and environmental characteristics
• Application for mobile communications, Consumer device, IoT, Smart card, Wave clock, Wireless communications, etc.
• RoHS Compliant /Pb Free
• A ceramic package with metal lid providing high precision and reliability
• Excellent heat resistance and environmental characteristics
• Application for mobile communications, Consumer device, IoT, Smart card, Wave clock, Wireless communications, etc.
• RoHS Compliant /Pb Free
5.0
design customization
Please fill out the form below to request a quote or to request more information about us. Please be sure to upload customized requirement documents or pictures, and we will get back to you as soon as possible with a response. we're ready to start working on your new project, contact us now to get started.
Please fill out the form below to request a quote or to request more information about us. please be as detailed as possible in your message, and we will get back to you as soon as possible with a response. we're ready to start working on your new project, contact us now to get started.
Key Features
Ultra‑miniature SMD1610 package: 1.6×1.0×0.5mm, ultra‑thin 0.5mm profile Standard frequency: 32.768kHz for RTC & timing modules Ceramic package with metal lid for high precision & reliability Excellent heat resistance & environmental stability Low power consumption, ideal for battery‑powered devices High frequency stability & low aging rate Compatible with automatic SMT & reflow soldering RoHS Compliant / Pb Free Tape & reel packaging for mass productionStandard Specifications
| Item | 7K Series SMD 32.768kHz Crystal Unit |
| Frequency Range | 32.768kHz |
| Load Capacitance | 7pF, 9pF, 12.5pF, or specify |
| Drive Level | 0.5µW max. |
| Frequency Tolerance | ±20ppm, or specify |
| Series Resistance | 90KΩ max. |
| Turnover Temperature | ±25°C±5°C |
| Parabolic Coefficient | (-0.03±0.01)×10-⁶/°C² max. |
| Operating Temperature Range | -20~+70°C, -40~+85°C, or specify |
| Storage Temperature Range | -55~+125°C |
| Shunt Capacitance | 1.3pF Typ. |
| Size (L×W×H) (mm) | 1.6×1.0×0.50 |
| Packing Unit | 3000pcs./reel |
Application scenarios
Real-Time Clock (RTC) modules
Mobile phones & communication devices
IoT sensors & wireless modules
Smart cards & RFID products
Wearable & portable electronic devices
Wave clocks & timing equipment
Consumer electronics & smart home
Battery-powered low-power systems
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Founded in 1989, SJK specializes in the manufacturing of crystal resonators and oscillators. With extensive experience in miniaturization, high precision, and low power consumption, our components are widely used across multiple industries.
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Contact Us
Tel: +86 755 8835 2869
Email: sjk@q-crystal.com
Add: 12/F, Building 3C, TianAn Cloud Park Phase 1, Bantian, Longgang District, Shenzhen, 518129, China