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Product Detailed Parameters
- Description：CRYSTAL 32.768KHZ 9PF SMD
- Series：NX2012SA
- Mfr：NDK (NIHON DEMPA KOGYO CO., LTD)
- Package：Tape & Reel (TR),Cut Tape (CT)
- Type：kHz Crystal (Tuning Fork)
- Frequency：32.768 kHz
- Frequency Stability：-
- Frequency Tolerance：±20ppm
- Load Capacitance：9pF
- ESR (Equivalent Series Resistance)：110 kOhms
- Operating Mode：Fundamental
- Operating Temperature：-40°C ~ 125°C
- Ratings：-
- Mounting Type：Surface Mount
- Package / Case：2-SMD, No Lead
- Supplier Device Package：-
- Size / Dimension：0.081" L x 0.047" W (2.05mm x 1.20mm)
- Height - Seated (Max)：-
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Overview
The NDK MU00543-32.768K is a surface-mount tuning fork crystal resonator designed for precision timing applications. It operates at a fundamental frequency of 32.768 kHz with a frequency stability of ±20 ppm and a load capacitance of 9 pF. The component features an equivalent series resistance (ESR) of 110 kOhms and is housed in a compact 2-SMD, no-lead package measuring approximately 1.6 mm by 1.2 mm. It supports operation within a temperature range of -40°C to +85°C and complies with RoHS3 standards.
Feature Summary
- Utilizes tuning fork mode for stable low-frequency generation
- Compact SMD footprint suitable for space-constrained designs
- High impedance ESR characteristic optimized for RTC circuits
Applications
- Real-time clock (RTC) modules
- Wearable electronic devices
- Smart home IoT sensors
Procurement Notes
Verify the specific ordering suffix against the manufacturer's official datasheet to ensure compatibility with required tolerance and packaging specifications. Confirm that the selected variant meets the thermal and electrical requirements of the target application circuit before finalizing procurement orders.
Selection Notes
Select this component when a precise 32.768 kHz reference is required for timekeeping functions. Ensure the circuit design accommodates the high ESR value typical of tuning fork crystals. Validate that the operating temperature range aligns with the environmental conditions of the end-use device.
Part Context
This part belongs to NDK's portfolio of miniature crystal resonators, leveraging the company's expertise in artificial quartz cultivation. The MU series represents a standard form factor widely adopted in consumer electronics for maintaining accurate time synchronization in battery-powered systems.
Replacement Considerations
Cross-reference with other 32.768 kHz tuning fork crystals from manufacturers such as Epson or Seiko Instruments. Verify pinout compatibility, load capacitance matching, and physical dimensions to ensure seamless integration without PCB redesign.
FAQ
What is the operating mode of the MU00543-32.768K?
It operates in the fundamental tuning fork mode.
Does this component support lead-free soldering processes?
Yes, it complies with RoHS3 regulations for lead-free manufacturing.
