Home > Passive Components > Crystals & Oscillators > Q 25.0-JXS32-12-10/20-T1-FU-LF

Q 25.0-JXS32-12-10/20-T1-FU-LF

25.0 MHz AT-cut quartz crystal, 12pF, ±10ppm tol, ±20ppm stability, -40 to +85C, 3.2x2.5mm, high precision

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Manufacturer Part：

Q 25.0-JXS32-12-10/20-T1-FU-LF

Package：

3.2 x 2.5 x 0.8 mm (4-Pad SMD)

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Description

Product Overview

The Q 25.0-JXS32-12-10/20-T1-FU-LF is a Jauch Quartz product designed for electronic applications. It features compact design with reliable performance characteristics suitable for various industrial and consumer applications.

Key Specifications

Type SMD Quartz Crystal (AT-cut, Fundamental)
Series JXS32
Frequency 25.000 MHz
Frequency Tolerance at 25C +/- 10 ppm
Frequency Stability vs Temperature +/- 20 ppm (-40C to +85C, T1)
Load Capacitance CL 12 pF
ESR (Series Resistance) 50 Ohm max / 25 Ohm typ (22-29.999 MHz)
Shunt Capacitance C0 < 5 pF
Drive Level Max 100 uW
Aging (1st year) < +/- 1 ppm (option for tol. +/-10 ppm)
Operating Temperature -40C to +85C (T1)
Storage Temperature -40C to +90C
Package 3.2 x 2.5 x 0.8 mm, 4-Pad SMD
Packaging Tape and Reel
RoHS Compliant (LF suffix)

Features

25.0 MHz AT-cut fundamental quartz crystal; JXS32 3.2×2.5mm seam-sealed ceramic/metal package; Tight ±10ppm frequency tolerance at 25C; ±20ppm frequency stability over -40C to +85C (T1); 12pF load capacitance; ESR 50 Ohm max; 4-pad SMD with ground pads; Low profile 0.8mm height; Drive level 100uW max; Aging less than ±1ppm first year (for ±10ppm tolerance grade); Industrial temperature range; FU = fundamental mode (>=20MHz); RoHS compliant lead-free (LF)

Applications

Ethernet 10/100/1000 PHY clock; Wi-Fi module reference clock; GPS timing reference; Precision frequency reference; Telecom clock generation; Network timing; Industrial Ethernet; Synchronous digital systems

The Q 25.0-JXS32-12-10/20-T1-LF from Jauch Quartz is a 25.000 MHz AT-cut fundamental mode quartz crystal in the JXS32 3.2 x 2.5mm 4-pad package, offering high-precision specifications with ±10ppm tolerance at 25C and ±20ppm stability over the -40C to +85C industrial temperature range. This tight tolerance and stability combination gives a total worst-case frequency deviation of only ±30ppm (±750 Hz at 25 MHz), making it suitable for applications requiring precise frequency control such as Ethernet PHY clocking, Wi-Fi reference clocks, and GPS timing. The ±10ppm tolerance grade also benefits from reduced aging of less than ±1ppm per year (compared to ±3ppm for the standard grade), ensuring long-term frequency accuracy. The 12pF load capacitance matches the oscillator requirements of most Ethernet PHY and Wi-Fi transceiver ICs. The FU option indicates fundamental mode operation for frequencies at or above 20 MHz, which provides better frequency stability and lower ESR than 3rd overtone alternatives.

The Q 25.0-JXS32-12-10/20-T1-LF operates as a high-precision piezoelectric resonator using an AT-cut quartz crystal blank vibrating in fundamental thickness-shear mode at 25.000 MHz. The AT-cut orientation provides a cubic frequency-temperature characteristic with a turnover point near 25-30C, achieving ±20ppm stability over the -40C to +85C range. The ±10ppm initial tolerance at 25C is achieved through tight manufacturing control of the crystal blank thickness during lapping and final frequency adjustment by vacuum deposition of gold electrodes. The 12pF load capacitance sets the oscillator operating frequency slightly above the series resonant frequency, where the crystal presents an inductive impedance. The total worst-case frequency deviation of ±30ppm (tolerance + stability) translates to ±750 Hz at 25 MHz, which meets the ±50ppm (±1250 Hz) requirement for 1000BASE-T Ethernet PHY clocking with comfortable margin. The 4-pad design with pads 2 and 4 connected to the metal lid provides an electrostatic ground shield that reduces electromagnetic coupling and improves frequency stability in noisy PCB environments.

Pad Name Type Function
1 Crystal Terminal 1 Passive One terminal of the quartz resonator; connects to oscillator amplifier
2 Ground / Case Ground Connected to metal lid; preferably connect to PCB ground for shielding
3 Crystal Terminal 2 Passive Other terminal of the quartz resonator; connects to oscillator amplifier
4 Ground / Case Ground Connected to metal lid; preferably connect to PCB ground for shielding
  • Ethernet PHY Clock: Provides the precise 25 MHz reference for 10/100/1000 Ethernet PHY transceivers where ±30ppm total stability meets the IEEE 802.3 clock accuracy requirement.
  • Wi-Fi Reference Clock: 25 MHz reference for Wi-Fi radio modules with ±10ppm tolerance ensuring carrier frequency accuracy for reliable RF communication.
  • GPS Timing: Time reference for GPS receiver modules where 25 MHz with tight ±10ppm tolerance provides the precise clock for satellite signal correlation.
  • Industrial Ethernet: Clock reference for industrial Ethernet switches and PROFINET devices requiring industrial temperature range with precise frequency control.
Manufacturer Part Number Package Frequency Notes
Jauch Q 25.0-JXS22-12-10/20-T1-FU-LF 2.5×2.0mm 25.0 MHz Smaller 2520 package
Epson FA-238V 25.0000MF12Z-W 3.2×2.5mm 25.0 MHz Pin-compatible high-precision crystal
NDK NX3225SA 25.000MHz 3.2×2.5mm 25.0 MHz Industry-standard 3225 crystal
TXC 7A-25.000MAAJ-T 3.2×2.5mm 25.0 MHz Low-cost alternative
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Quality Assurance

Quality is the core foundation of our long-term global cooperation. With over 20 years of experience in the electronic component industry, Materialparts has built a strict and standardized quality management system covering component sourcing, incoming inspection, full-batch testing, packaging and delivery. We are committed to delivering 100% genuine, high-reliability electronic components for industrial control, automotive electronics, consumer electronics and medical device industries, and fully safeguarding your production and R&D projects.

1. Authorized & Genuine Sourcing Promise

All of our electronic components are procured from official authorized distributors and original manufacturers. We strictly reject counterfeits, refurbished parts, disassembled components and gray-market goods. Every product is guaranteed to be brand-new original parts and fully consistent with the original technical parameters. For branded products such as NXP IC series, we maintain complete supply channel documents to realize full product traceability.

2. Strict Full-batch Quality Inspection

We implement 100% full-batch quality control for all goods before shipment. Our professional QC team conducts multi-dimensional tests including appearance inspection, electrical parameter testing, performance verification and packaging check. Each batch of components is attached with complete inspection reports and batch records. We stick to zero-tolerance standards for defective products to ensure every piece of component meets industrial application requirements.

3. Industry Standard Compliance

Our products comply with a variety of international industry quality standards to adapt to high-standard application scenarios:
  • Automotive Electronics: All automotive-grade components pass AEC-Q series certification, featuring excellent stability and durability to adapt to complex vehicle operating environments.
  • Medical Devices: High-reliability components meet medical industry safety and compliance regulations, ensuring stable operation for medical equipment.
  • Industrial Control & Consumer Electronics: Products conform to universal international electronic industry standards, suitable for long-term continuous operation of various equipment.

4. Professional Reliability Control

For static-sensitive, moisture-sensitive and precision components such as ICs, PCBs, sensors and connectors, we carry out reliability screening in advance. Combined with standardized ESD anti-static packaging and vacuum moisture-proof packaging, we avoid component damage caused by static electricity, dampness or collision during storage and transportation, and retain the original performance of products.

5. Traceability Management System

We establish a complete product traceability system. Each batch of goods corresponds to independent batch number, sourcing record, inspection record and delivery record. Customers can query the whole lifecycle information of components at any time. This system effectively solves quality risks and facilitates after-sales handling and production quality control for your company.

6. After-sales Quality Guarantee

If any product is confirmed to have non-conformity quality problems due to our reasons after receipt, we provide free return, exchange and supplementary delivery services. Our professional quality team will also conduct root cause analysis to optimize our quality control process. We respond to quality feedback within 24 hours to resolve your worries efficiently.

Contact Us

If you have inquiries about our quality standards, inspection procedures or product certification documents, please feel free to contact us:

 

Email: info@materialparts.com
Tel / WhatsApp: +86 13760382860
Address: Room 2919, Guoli Building, Huaqiang North, Futian District, Shenzhen, Guangdong, China

 

Shipping & Payment

Materialparts is a professional global supplier of electronic components with over 20 years of industry experience. We provide one-stop supply of passive components, integrated circuits, as well as parts for industrial control, automotive electronics, consumer electronics and medical devices. Below are the unified shipping and payment policies applicable to all orders, samples and bulk purchases worldwide.

1. Payment Terms

We offer a variety of secure and convenient payment methods to meet diverse business cooperation needs. Details are as follows:
  1. Accepted Payment Methods
  • T/T (Bank Wire Transfer): The primary settlement method for bulk orders and a widely used international payment channel.
  • PayPal: Ideal for small orders, sample orders and quick payments.

  1. Settlement Currency

     

    US Dollar (USD) is the default settlement currency. RMB is available for domestic customers.

  2. Bank Charges

     

    All transfer fees, intermediary bank charges and other remittance-related expenses shall be borne by the buyer.

  3. Payment Requirements
  • Sample and small orders: Shipment will be arranged upon full payment.
  • In-stock bulk orders: Goods will be delivered within 2 to 3 working days after full payment.

2. Shipping & Delivery

We partner with leading global logistics providers to ensure safe and fast delivery worldwide. Relevant details are listed below:
  1. Logistics Partners
  • International Express: DHL, FedEx, UPS, TNT
  • Economy Logistics: Air freight and sea freight for large-volume cargo
  • Domestic Delivery: SF Express, Yunda Express
  1. Order Processing Time
  • In-stock items: Orders confirmed and fully paid before 14:00 (GMT+8) will be shipped on the same day. All other orders will be dispatched within 1 to 2 working days.
  • Out-of-stock or sourced items: The delivery lead time will be confirmed separately according to brand and inventory status.
  1. Estimated Transit Time
  • International Express: 3 – 7 working days globally
  • Air Freight: 7 – 12 working days
  • Sea Freight: 25 – 40 working days for heavy and large bulk cargo
  1. Shipping Fee Rules
  • Shipping cost is calculated based on package weight, volume, destination and delivery method.
  • Both freight prepaid and freight collect are available. Please provide your courier account number in advance if you choose freight collect.
  • Free international express delivery is offered for large orders. Terms for long-term partners can be negotiated separately.
  1. Shipment Tracking
     

    Within 24 hours after dispatch, we will send the tracking number, commercial invoice, packing list and other documents to your email or communication account. You may check the shipment status online in real time.

3. General Order Rules & Notes

  1. MOQ & Sample Service

     

    We support flexible minimum order quantities for samples, small-batch and large-batch orders. All sample orders shall comply with the above shipping and payment policies.

  2. Packaging Standard

     

    All electronic components are packed with professional anti-static and shockproof materials. Original factory packaging is available for branded chips and integrated circuits.

4. Customs & Liability Statement

  1. Import Duties & Taxes

     

    All import duties, customs clearance fees and local taxes incurred for international shipments shall be borne by the buyer. We will provide complete customs documents to assist you with clearance procedures.

  2. Handling of Lost or Damaged Goods
  • In case of loss or severe damage during transit, please contact us within 48 hours after receiving the tracking information. We will assist you in filing a claim with the logistics provider.
  • We shall not be liable for any losses caused by incorrect delivery address, wrong contact information or the buyer’s refusal to complete customs clearance.

5. Local Pickup in Shenzhen

Local pickup service is available for customers in Shenzhen and surrounding areas:
  • Address: Room 2919, Guoli Building, Huaqiang North, Futian District, Shenzhen, Guangdong Province, China
  • Business Hours: 09:00 – 18:00, Monday to Friday. Closed on weekends and official public holidays.
  • Notice: Please make an appointment via email or communication tools one day in advance, and present your order information upon pickup.

Contact Information

Email: info@materialparts.com

Tel / WhatsApp: +86 13760382860

Service & Packaging

Materialparts is a professional electronic component supplier based in Shenzhen, China, with over 20 years of global trading experience. We integrate component procurement, quality inspection, technical support, customized packaging, and global delivery services to provide one-stop supply chain solutions. Our business covers industrial control, automotive electronics, consumer electronics, medical devices and other industries. We always adhere to genuine sources, stable supply and considerate after-sales service.

Core Services

1. One-stop Sourcing & BOM Support

We specialize in a full range of passive and active electronic components, including SMD resistors, power resistors, connectors, aviation connectors, LED beads, flexible circuit boards, printed circuit boards, and integrated circuits. Our professional team provides BOM list consolidation, component matching, and alternative model recommendation services. We support sample orders, small-batch trial production, and mass production orders with flexible MOQs to meet diverse procurement needs.

2. Genuine Product Guarantee & Full-process Quality Inspection

All products are sourced from official authorized channels and are 100% original genuine parts. Every batch of goods undergoes strict full-process quality inspection before delivery, with complete batch records and traceability documents provided. Our products comply with AEC-Q standards for automotive electronics and high-reliability specifications for medical devices. We eliminate counterfeits, refurbished parts and defective products from the source to secure your project production.

3. Fast Quotation & Order Processing

Our customer service team responds promptly to inquiries and quotation requests. All in-stock orders will be processed within one working day. We provide stocking reservation services for long-term cooperative customers, effectively solving problems such as component shortages and unstable supply chains.

4. Professional Technical Support

Our senior engineer team provides free technical consultation, model selection guidance and original manufacturer datasheets. We assist customers in solving problems related to product R&D, circuit design and component application, providing reliable technical support for project progress.

5. Sourcing for Special Components

Relying on our global supply chain network, we professionally source scarce components, obsolete parts and customized special components to efficiently solve your procurement difficulties.

6. Global Logistics & Document Services

We cooperate with mainstream international logistics providers including DHL, FedEx, UPS and TNT to achieve fast global delivery. We can provide complete export documents such as customs declaration files, commercial invoices and packing lists to ensure smooth customs clearance for international shipments. Local pickup is also available for customers in Shenzhen, China.

Professional Packaging Standards

Electronic components are sensitive to static electricity, collision, moisture and dust. We adopt industry-standard anti-static packaging solutions to fully ensure the integrity of goods during transportation and storage.

1. General Packaging Specifications

  • All components are packed separately to avoid damage caused by friction and collision;
  • Shockproof buffer materials are added for fragile products to ensure transportation safety;
  • Each package is clearly marked with part number, quantity, batch number and specifications for easy inventory counting and management.

2. Classified Professional Packaging

  • Anti-static Packaging: Static-sensitive components such as chips, circuit boards and sensors are packaged with anti-static bags, shielding boxes and conductive foam in strict accordance with international anti-static standards to prevent static damage.
  • Vacuum Moisture-proof Packaging: Moisture-sensitive components are vacuum-sealed with desiccants to isolate humid air, suitable for ocean transportation and long-term storage.
  • Original Factory Packaging: Integrated circuits of brands such as NXP are delivered with original reels, trays or tubes by default, retaining complete original packaging and adapting to automated SMT production lines.
  • Discrete Device Packaging: Discrete devices such as SMD resistors, power resistors and LEDs are quantitatively and classifiedly packaged with accurate quantity and clear marking.
  • Connector / Aviation Connector Packaging: Hard outer packaging is adopted to prevent pin bending and structural deformation.

3. Custom Packaging Services

We provide value-added services including personalized packaging, custom labeling and re-reeling according to customer requirements, fully matching your production and warehouse management standards.

Contact Information

For service consultation or packaging customization, please feel free to contact us:
Email: info@materialparts.com
Tel / WhatsApp: +86 13760382860
Address: Room 2919, Guoli Building, Huaqiang North, Futian District, Shenzhen, Guangdong, China
 

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