LFXTAL065460 Equivalent & Substitute Parts

Part Overview

The LFXTAL065460 is a 30 MHz fundamental mode crystal oscillator manufactured by IQD Frequency Products. This surface mount device operates across the industrial temperature range of -40°C to 85°C and is specified for 10pF load capacitance with ±10ppm frequency tolerance. The part is actively produced and ROHS3 compliant, making it suitable for modern electronic applications requiring precision frequency references. Substitute parts are identified to address inventory availability, alternative packaging formats, or specific load capacitance requirements in circuit designs.

Substiute Parts

LFXTAL065460

IQD Frequency ProductsIn Stock: 892LFXTAL065460 Datasheet

Current PartRFQ

ABM8W-30.0000MHZ-7-D1X-T3

Abracon LLCIn Stock: 3546ABM8W-30.0000MHZ-7-D1X-T3 Datasheet

SimilarRFQ

ABM8W-30.0000MHZ-8-D1X-T3

Abracon LLCIn Stock: 4035ABM8W-30.0000MHZ-8-D1X-T3 Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the LFXTAL065460 is determined by the following critical parameters that must remain constant across equivalent parts:

Fixed Parameters (Non-Negotiable):

• Frequency: 30 MHz
• Frequency Tolerance: ±10ppm
• Frequency Stability: ±20ppm
• Operating Mode: Fundamental
• Operating Temperature Range: -40°C to 85°C
• Mounting Type: Surface Mount
• Package / Case: 4-SMD, No Lead
• RoHS Status: ROHS3 Compliant

Variable Parameters (Allowable Substitution Range):

• Load Capacitance: 7pF to 10pF (circuit-dependent selection)
• ESR: 30 to 40 Ohms (within acceptable operating margins)
• Physical Dimensions: Variations permitted within SMD footprint compatibility
• Packaging Format: Tape & Reel (TR) or Cut Tape (CT) & Digi-Reel®

The identified substitute parts from Abracon LLC maintain all fixed parameters while offering alternative load capacitance values and ESR specifications. Selection between substitutes depends on the specific load capacitance requirement of the target circuit design.

Parameter Comparison

Engineering Selection Recommendations

Primary Substitute: ABM8W-30.0000MHZ-8-D1X-T3

The ABM8W-30.0000MHZ-8-D1X-T3 is the closest functional equivalent to the LFXTAL065460. Both parts maintain identical frequency, tolerance, stability, operating temperature range, and fundamental mode operation. The 8pF load capacitance of this substitute is within one picofarad of the original 10pF specification, making it suitable for circuits designed with moderate load capacitance tolerance. This part is actively produced by Abracon LLC with ROHS3 compliance and available in both Tape & Reel and Cut Tape packaging formats.

Secondary Substitute: ABM8W-30.0000MHZ-7-D1X-T3

The ABM8W-30.0000MHZ-7-D1X-T3 offers an alternative with 7pF load capacitance. This substitute is appropriate for circuits specifically designed for lower load capacitance values or where the 3pF difference from the original specification is accommodated by circuit design margins. This part is actively produced with ROHS3 compliance and higher inventory availability (3470 units).

Compatibility Considerations:

Both substitute parts feature reduced physical dimensions (3.20mm x 2.50mm versus 5.00mm x 3.20mm) and lower seated height (0.75mm versus 1.00mm). These dimensional differences require verification of PCB footprint compatibility and available board space. The ESR specification increases from 30 Ohms to 40 Ohms in both substitutes; circuit designs must confirm that this 10 Ohm increase remains within acceptable operating parameters for the target application.

All identified substitutes maintain active product status and ROHS3 compliance, ensuring long-term availability and regulatory conformance.

Frequently Asked Questions (FAQ)

Q: Can the ABM8W-30.0000MHZ-7-D1X-T3 or ABM8W-30.0000MHZ-8-D1X-T3 be used as direct replacements for the LFXTAL065460?

A: Both Abracon substitutes maintain the same 30 MHz frequency, ±10ppm tolerance, ±20ppm stability, fundamental operating mode, and -40°C to 85°C temperature range. However, the load capacitance differs (7pF or 8pF versus 10pF), and ESR increases from 30 Ohms to 40 Ohms. Direct replacement is possible only if the circuit design accommodates these parameter variations. Load capacitance compatibility must be verified with the oscillator circuit design specifications.

Q: What is the significance of load capacitance in crystal selection?

A: Load capacitance is the capacitive load that the crystal oscillator circuit presents to the crystal element. The crystal is specified to operate at a particular frequency when connected to a circuit with a specific load capacitance value. Using a crystal with different load capacitance than the circuit design specifies results in frequency deviation. The LFXTAL065460 is specified for 10pF load capacitance, while the Abracon substitutes are specified for 7pF or 8pF. Substitution requires confirmation that the target circuit can accommodate the alternative load capacitance value.

Q: How does the ESR difference affect circuit performance?

A: Equivalent Series Resistance (ESR) represents the internal resistance of the crystal element. The LFXTAL065460 specifies 30 Ohms ESR, while the Abracon substitutes specify 40 Ohms. Higher ESR increases power consumption in the oscillator circuit and may affect startup characteristics. The 10 Ohm increase must be evaluated against the oscillator circuit's design margins and power budget requirements.

Q: Are there packaging differences between the main part and substitutes?

A: The LFXTAL065460 is supplied in Tape & Reel (TR) packaging. The ABM8W-30.0000MHZ-8-D1X-T3 is available in both Tape & Reel (TR) and Cut Tape (CT) & Digi-Reel® formats. The ABM8W-30.0000MHZ-7-D1X-T3 is supplied in Tape & Reel (TR) packaging. Packaging format selection depends on assembly process requirements and order quantity.

Q: What are the physical dimension differences, and do they affect PCB compatibility?

A: The LFXTAL065460 measures 5.00mm x 3.20mm with a maximum seated height of 1.00mm. Both Abracon substitutes measure 3.20mm x 2.50mm with a maximum seated height of 0.75mm. The substitutes are physically smaller. PCB footprint compatibility must be verified; the smaller Abracon parts may not fit PCB layouts designed for the larger IQD package without redesign. Conversely, the smaller footprint may provide layout advantages in space-constrained applications.

Q: Are all parts ROHS3 compliant?

A: Yes. The LFXTAL065460 and both Abracon substitutes (ABM8W-30.0000MHZ-7-D1X-T3 and ABM8W-30.0000MHZ-8-D1X-T3) are ROHS3 compliant, ensuring regulatory conformance for applications subject to Restriction of Hazardous Substances directives.

Q: What is the current product status of these parts?

A: All three parts maintain Active product status, indicating ongoing production and long-term availability from their respective manufacturers.