7V30080003 30 MHz Crystal Equivalent & Substitute Parts

Part Overview

The 7V30080003 is a 30 MHz fundamental mode crystal oscillator manufactured by TXC CORPORATION, designed for surface mount applications requiring precise frequency control. This active product features 18pF load capacitance, 60 Ohms equivalent series resistance (ESR), and operates across the industrial temperature range of -40°C to 85°C. The component is packaged in a compact 4-SMD, No Lead configuration measuring 3.20mm × 2.50mm with a maximum seated height of 0.90mm.

Substitute parts are identified when equivalent electrical performance and mechanical compatibility can be maintained across critical parameters including frequency, load capacitance, operating temperature range, and physical package dimensions.

Substiute Parts

7V30080003

TXC CORPORATIONIn Stock: 11127V30080003 Datasheet

Current PartRFQ

LFXTAL059646

IQD Frequency ProductsIn Stock: 955LFXTAL059646 Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the 7V30080003 is determined by strict equivalence across the following parameters:

Mandatory Matching Parameters:

• Frequency: 30.0000 MHz (exact match required)
• Frequency Tolerance: ±20 ppm (exact match required)
• Load Capacitance: 18 pF (exact match required)
• Operating Temperature Range: -40°C to 85°C (minimum requirement)
• Mounting Type: Surface Mount (exact match required)
• Package / Case: 4-SMD, No Lead (exact match required)
• Physical Dimensions: 3.20mm L × 2.50mm W (exact match required)

Allowable Variation Parameters:

• ESR (Equivalent Series Resistance): Variation permitted within oscillator circuit design margins
• Height - Seated (Max): Variation permitted if within PCB assembly clearance specifications
• Moisture Sensitivity Level: Variation permitted based on application storage conditions
• Manufacturer and Series: Different manufacturers acceptable if all mandatory parameters align

The substitute part LFXTAL059646 from IQD Frequency Products meets all mandatory matching criteria and is therefore classified as an equivalent substitute.

Parameter Comparison

Engineering Selection Recommendations

Primary Part: 7V30080003 (TXC CORPORATION)

The 7V30080003 is the specified component and remains the first choice for new designs and existing applications. It carries active product status with confirmed inventory availability of 1060 pieces. The part is RoHS Compliant with MSL Level 1 (Unlimited), indicating minimal moisture sensitivity and simplified handling requirements.

Substitute Part: LFXTAL059646 (IQD Frequency Products)

The LFXTAL059646 is a qualified equivalent substitute meeting all mandatory electrical and mechanical parameters. This part is also active with 923 pieces in inventory. Key considerations for substitution:

• ESR Advantage: The LFXTAL059646 features 40 Ohms ESR compared to 60 Ohms in the primary part, resulting in lower power consumption and improved oscillator startup characteristics.
• Height Profile: The IQD part has a maximum seated height of 0.80mm versus 0.90mm for the TXC part, providing additional PCB assembly clearance margin.
• Regulatory Compliance: Both parts meet EAR99 export classification and REACH requirements. The IQD part carries ROHS3 Compliant status with no MSL restriction, simplifying supply chain logistics.
• Packaging Format: The LFXTAL059646 is supplied in Tape & Reel format, suitable for automated assembly processes.

Substitution is permissible when the application circuit design accommodates the lower ESR value and when packaging format compatibility with assembly equipment is confirmed.

Frequently Asked Questions (FAQ)

Q1: Can the LFXTAL059646 be used as a direct replacement for the 7V30080003 in existing designs?

A: Yes, the LFXTAL059646 is a direct substitute for the 7V30080003 in terms of electrical function and physical footprint. Both parts share identical frequency (30.0000 MHz), frequency tolerance (±20 ppm), load capacitance (18 pF), operating temperature range (-40°C to 85°C), and package dimensions (3.20mm × 2.50mm, 4-SMD No Lead). The lower ESR of the LFXTAL059646 (40 Ohms versus 60 Ohms) is advantageous for oscillator performance and does not create compatibility issues.

Q2: What is the significance of the ESR difference between these two parts?

A: ESR (Equivalent Series Resistance) affects the energy required to sustain oscillation and influences startup behavior. The LFXTAL059646 with 40 Ohms ESR requires less drive energy than the 7V30080003 with 60 Ohms ESR. This results in lower power consumption and faster oscillator startup. Both values are within acceptable ranges for standard 30 MHz crystal oscillator circuits. The lower ESR of the substitute part represents an improvement in performance characteristics.

Q3: Are there any differences in moisture sensitivity or handling requirements?

A: The 7V30080003 carries MSL Level 1 (Unlimited), indicating no moisture sensitivity restrictions and unlimited shelf life under normal storage conditions. The LFXTAL059646 is listed as "Not Applicable" for MSL, which indicates the part has no moisture sensitivity concerns. Both parts can be stored and handled using standard component management practices without special desiccant or humidity control requirements.

Q4: Do the packaging differences affect component selection?

A: The 7V30080003 is supplied in standard packaging format, while the LFXTAL059646 is supplied in Tape & Reel (TR) format. Tape & Reel packaging is optimized for automated pick-and-place assembly equipment. Selection between these packaging formats depends on manufacturing process requirements. Both formats contain identical components; the difference is in presentation and handling method for assembly operations.

Q5: Are both parts compliant with current regulatory requirements?

A: Yes. Both the 7V30080003 and LFXTAL059646 are RoHS Compliant (the IQD part carries ROHS3 designation), REACH Unaffected, and classified as EAR99 for export purposes. Both parts share the same HTSUS code (8541.60.0060). Regulatory compliance is equivalent between the two parts.

Q6: What is the frequency tolerance specification and why does it matter?

A: Both parts carry ±20 ppm frequency tolerance, which defines the maximum deviation from the nominal 30.0000 MHz frequency at room temperature. This specification is critical for applications requiring precise timing or frequency-dependent circuit operation. The matching tolerance between parts ensures equivalent performance in frequency-sensitive applications such as communication systems, data acquisition, or precision timing circuits.

Q7: Can these 30 MHz crystals be used interchangeably with other frequency values?

A: No. The 30.0000 MHz frequency is application-specific and cannot be substituted with different frequency values. The crystal frequency determines the oscillation rate of the circuit and is selected based on system clock requirements. Substitution is only valid between parts with identical frequency specifications.