Renesas 603-25-150JA4C
- Part No.:
- 603-25-150JA4C
- Manufacturer:
- Renesas
- Category:
- Crystals
- Package:
- 4-SMD, No Lead
- Datasheet:
-
603-25-150JA4C.pdf
- Description:
- CRYSTAL 25.0000MHZ 8PF SMD
- Quantity:
- Payment:

- Shipping:

Inventory:8,309
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Product details
Overview
603-25-150JA4C from Integrated Device Technology (IDT) is a 25.000 MHz fundamental-mode quartz crystal resonator in a 3.2 × 2.5 × 1.0 mm JA4 CLCC package, with ±20 ppm frequency tolerance and stability over 0°C to +70°C, rated for 8 pF load capacitance and ≤50 Ω ESR - used as a precision timing reference in microcontroller clock trees and USB-compliant peripheral interfaces.
For engineers reviewing the 603-25-150JA4C datasheet, 603-25-150JA4C pinout, 603-25-150JA4C application, or 603-25-150JA4C equivalent, key selection criteria include operating temperature range (0°C to +70°C), CL = 8 pF matching requirement, gold termination finish, MSL1 handling, and 0.3 mW max drive level compatibility with low-power oscillator circuits.
Technical Context
This is a passive two-terminal AT-cut quartz crystal resonator operating in fundamental mode at 25.000 MHz, designed for parallel-resonant configuration with external load capacitors. It requires an oscillator circuit (e.g., MCU internal XTAL oscillator or discrete Pierce gate) to sustain oscillation.
Specified for 8 pF load capacitance, it exhibits ≤50 Ω ESR and ±5 ppm/year aging, supporting stable timing in industrial-grade embedded systems where long-term frequency drift must remain bounded under thermal cycling within its 0°C to +70°C operating range.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Frequency | 25.000 MHz - exact nominal resonance for USB 2.0 PHY clocking and ARM Cortex-M system clocks. |
| Frequency Tolerance | ±20 ppm @ 25°C - ensures initial accuracy meets USB full-speed and Ethernet PHY startup timing budgets. |
| Frequency Stability | ±20 ppm over 0°C to +70°C - guarantees timing margin retention across commercial ambient conditions. |
| Load Capacitance | 8 pF - defines required external capacitor value per leg (e.g., two 16 pF caps in series) for accurate oscillation. |
| ESR | ≤50 Ω - enables reliable start-up with low-gain oscillator circuits such as those in STM32L4 or NXP Kinetis MCUs. |
| Aging | ±5 ppm/year - supports >5-year design lifetime without recalibration in fixed-frequency applications. |
| Drive Level | ≤0.3 mW - prevents crystal fatigue and frequency shift during continuous operation. |
Pinout & Package
Package: 3.2 × 2.5 × 1.0 mm JA4 ceramic leadless chip carrier (CLCC) with gold-plated terminations, moisture sensitivity level (MSL) 1, and reflow-compatible profile (260°C/10 s).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Terminal 1 | Oscillator Input / Crystal Terminal A | Connects to inverter input or MCU XTAL pin; forms one side of resonant loop with external load cap. |
| Terminal 2 | Oscillator Output / Crystal Terminal B | Connects to inverter output or MCU XTAL pin; completes resonant path with Terminal 1 and load network. |
Key Features
| Feature | Design Value |
|---|---|
| Fundamental-mode resonance | Enables direct 25 MHz operation without overtone filtering or complex biasing networks. |
| 8 pF load capacitance | Matches standard MCU oscillator designs (e.g., Silicon Labs EFM32, Microchip PIC32MX) without custom capacitor tuning. |
| Gold termination finish | Ensures solderability and intermetallic reliability in automated reflow assembly with no post-solder cleaning required. |
| MSL1 rating | Allows unlimited floor life and eliminates baking requirements prior to SMT placement. |
| RoHS-compliant, Pb-free | Meets IPC-J-STD-020D and EU RoHS Directive 2011/65/EU for global commercial product compliance. |
Applications
| USB Peripheral Clocking | Industrial HMI Controller Timing |
|---|---|
Use Scenario: Providing master clock to USB 2.0 transceivers in human interface devices (keyboards, touch panels) requiring ±2500 ppm total error budget. IC Role / Device Role / Timing Role: Precision frequency reference for USB PHY PLL lock and packet timing synchronization. Use Value: ±20 ppm stability ensures sustained USB enumeration success across temperature and aging, avoiding host-side disconnects. | Use Scenario: Clock source for ARM Cortex-M4-based HMIs deployed in factory-floor operator terminals with ambient swings from 5°C to 65°C. IC Role / Device Role / Timing Role: Primary system clock generator for real-time OS scheduling and display refresh timing. Use Value: 0°C to +70°C operating range and ±20 ppm stability maintain deterministic UI response latency without software compensation. |
| Smart Energy Meter RTC | Medical Diagnostic Sensor Interface |
Use Scenario: Driving real-time clock (RTC) module in IEC 62056-compliant electricity meters requiring 1-second accuracy over 10 years. IC Role / Device Role / Timing Role: Low-drift timebase for RTC counter and calendar logic in meter SoCs (e.g., TI MSP430FRxx). Use Value: ±5 ppm/year aging and 8 pF CL enable <±10 sec/year cumulative error without calibration hardware. | Use Scenario: Synchronizing ADC sampling in portable ultrasound sensor front-ends where jitter impacts image resolution. IC Role / Device Role / Timing Role: Stable sampling clock reference for 12-bit SAR ADCs interfacing to FPGA-based beamforming engines. Use Value: ≤50 Ω ESR and ±20 ppm stability minimize period jitter (<15 ps RMS), preserving SNR in 1–5 MHz echo signal capture. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar quartz crystal resonator applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| ABM3B-25.000MHZ-D2Y-T | Same 25 MHz, 3.2 × 2.5 mm size, but CL = 12 pF and ±10 ppm tolerance. | Requires higher load capacitance; tighter initial tolerance suits high-precision UART or CAN FD timing. | Select if board uses 12 pF load network and demands lower initial error; verify oscillator gain margin with higher CL. |
| FA-238 25.0000MF09ZAA0 | Same footprint and 25 MHz, but CL = 10 pF, ±15 ppm, and -20°C to +70°C range. | Narrower temp range and different CL limit use in extended-ambient industrial settings. | Acceptable for cost-sensitive consumer HMI designs where ±15 ppm and 10 pF match existing layout. |
Compared with ABM3B-25.000MHZ-D2Y-T and FA-238 25.0000MF09ZAA0, the 603-25-150JA4C offers optimal balance of commercial-temp robustness, 8 pF compatibility with mainstream MCUs, and MSL1 handling - making it preferred for volume production of USB-connected embedded controllers.
Availability
603-25-150JA4C is available at Aetrix Electronics and suitable for USB peripheral clocking, industrial HMI controller timing, and smart energy meter RTC applications requiring stable component supply, consistent parametric performance, and RoHS-compliant sourcing.
Supply support for 603-25-150JA4C includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.
Manufacturer
Integrated Device Technology (IDT) is a fabless semiconductor company specializing in timing, memory interface, RF, and power management solutions, acquired by Renesas Electronics in 2019.
The 603-series crystals were developed for high-volume commercial embedded systems requiring compact, reliable, and MSL1-compatible timing references with tight stability and low aging - targeting USB, industrial control, and metering applications.
FAQ
What is the load capacitance requirement for the 603-25-150JA4C?
The 603-25-150JA4C requires an 8 pF load capacitance. This means external capacitors must be selected so that the effective capacitance seen by the crystal equals 8 pF - typically achieved using two identical capacitors (e.g., 15–16 pF each) connected from each terminal to ground, accounting for PCB stray capacitance. Using incorrect CL will shift the actual oscillation frequency away from 25.000 MHz.
Does the 603-25-150JA4C support extended temperature operation?
No, the 603-25-150JA4C is rated for 0°C to +70°C operation only. The 'C' suffix in the part number explicitly denotes the commercial temperature grade. For industrial temperature range (-40°C to +85°C), the correct variant is 603-25-150JA4I or 603-25-150JA4I8 - these share identical electrical specs but are qualified across the wider thermal envelope.
What is the maximum drive level specification for the 603-25-150JA4C?
The 603-25-150JA4C has a maximum drive level of 0.3 mW. Exceeding this risks accelerated aging, frequency drift, or physical damage to the quartz blank. Oscillator circuits must be configured to limit power dissipation - verified via current measurement at the crystal terminals or simulation of the Pierce gate's loop gain and negative resistance margin.
Is the 603-25-150JA4C RoHS-compliant and lead-free?
Yes, the 603-25-150JA4C is fully RoHS-compliant and lead-free, meeting EU Directive 2011/65/EU and IPC-J-STD-020D standards. Its gold termination finish and Pb-free ceramic package ensure compatibility with modern reflow profiles and environmental compliance requirements for commercial and industrial end equipment.
What does the 'JA4' in 603-25-150JA4C indicate?
The 'JA4' in 603-25-150JA4C refers to IDT's standardized 3.2 × 2.5 × 1.0 mm ceramic leadless chip carrier (CLCC) package outline. It defines mechanical dimensions, pad layout, and termination finish (gold), and is distinct from JEDEC-standardized packages - ensuring mechanical fit and solder joint reliability when mounted on compatible footprints.
603-25-150JA4C Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Series:
- -
- Package/Case:
- 4-SMD, No Lead
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Obsolete
- Type:
- MHz Crystal
- Frequency:
- 25 MHz
- Frequency Stability:
- ±20ppm
- Frequency Tolerance:
- ±20ppm
- Load Capacitance:
- 8pF
- ESR (Equivalent Series Resistance):
- 50 Ohms
- Operating Mode:
- Fundamental
- Operating Temperature:
- 0°C ~ 70°C
- Ratings:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- -
- Size / Dimension:
- 0.130" L x 0.102" W (3.30mm x 2.60mm)
- Height - Seated (Max):
- -
603-25-150JA4C FAQ
1.How can I place an order for 603-25-150JA4C through Aetrix?
Please submit a Request for Quotation (RFQ) for 603-25-150JA4C on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
2.Are the price and stock information for 603-25-150JA4C reliable?
The price and inventory of 603-25-150JA4C are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for 603-25-150JA4C is usually 5 days.
3.What payment methods are accepted for 603-25-150JA4C?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for 603-25-150JA4C transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for 603-25-150JA4C?
603-25-150JA4C orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your 603-25-150JA4C order is processed, you will receive an email with the shipment details and tracking number.
Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.
5.How can I obtain technical support or documentation for 603-25-150JA4C?
For technical support, including 603-25-150JA4C datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your 603-25-150JA4C requirements.
6.How does Aetrix verify that 603-25-150JA4C is sourced from the original manufacturer or authorized distributors?
All 603-25-150JA4C products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that 603-25-150JA4C meets industry standards.
7.What is the process for return or replacement of 603-25-150JA4C?
All 603-25-150JA4C units undergo pre-shipment inspection (PSI). If there is an issue with 603-25-150JA4C, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The 603-25-150JA4C part is unused and in its original packaging.
Return procedure for 603-25-150JA4C:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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