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Product Detailed Parameters
- Description：CRYSTAL 26.0000MHZ 10PF SMD
- Series：NX3225GA
- Mfr：NDK (NIHON DEMPA KOGYO CO., LTD)
- Package：Tape & Reel (TR),Cut Tape (CT)
- Type：MHz Crystal
- Frequency：26 MHz
- Frequency Stability：±40ppm
- Frequency Tolerance：±20ppm
- Load Capacitance：10pF
- ESR (Equivalent Series Resistance)：50 Ohms
- Operating Mode：Fundamental
- Operating Temperature：-40°C ~ 85°C
- Ratings：-
- Mounting Type：Surface Mount
- Package / Case：4-SMD, No Lead
- Supplier Device Package：-
- Size / Dimension：0.126" L x 0.098" W (3.20mm x 2.50mm)
- Height - Seated (Max)：0.035" (0.90mm)
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Overview
The NDK CG01972-26M is a 26 MHz fundamental mode crystal oscillator designed for surface-mount applications. It operates within a -40°C to +85°C temperature range with a total frequency stability of ±40 ppm and an initial tolerance of ±20 ppm at 25°C. The component features a 10 pF load capacitance and an equivalent series resistance (ESR) of 50 Ω maximum. Packaged in a compact 3.2 mm x 2.5 mm x 0.75 mm 4-SMD no-lead footprint, it supports low-power operation up to 200 μW.
Feature Summary
- Optimized for TI CC430 and CC1101 Sub-GHz wireless protocols
- Industrial-grade reliability across wide temperature ranges
- Low ESR design ensures stable oscillation in low-power circuits
Applications
- Smart metering systems using CC430 microcontrollers
- Zigbee and WMBUS collection nodes with CC1101 transceivers
- Sub-GHz industrial IoT communication terminals
Procurement Notes
Verify the full part number NX3225GA-26MHZ-EXS00A-CG01972 against official NDK documentation to ensure correct specifications. Confirm that the supplier provides original manufacturer packaging and traceability records. Cross-reference the ESR and frequency stability parameters with the specific datasheet version to avoid discrepancies in high-reliability designs.
Selection Notes
Select this component when designing for TI-based Sub-GHz wireless applications requiring strict frequency stability. Ensure PCB layout accounts for stray capacitance, as the pull sensitivity is approximately 19.1 ppm/pF. Use NPO capacitors with 1% precision for matching networks to prevent temperature-induced drift exceeding the ±40 ppm limit.
Part Context
This crystal belongs to the NX3225GA series, specifically tailored for industrial environments. It serves as a certified compatible alternative for TI reference designs, eliminating the need for independent validation in smart grid and utility metering projects where long-term stability is critical.
Replacement Considerations
NX3225GA-26MHZ-TI
FAQ
What is the maximum drive power allowed?
The maximum drive power is 200 μW. Exceeding this limit accelerates aging and may cause frequency drift or failure.
How does load capacitance affect frequency stability?
The pull sensitivity is 19.1 ppm/pF. A deviation of 1 pF in load capacitance results in approximately 19.1 ppm frequency shift, necessitating precise capacitor selection.
