7M12000015 12 MHz Crystal Equivalent & Substitute Parts

Part Overview

The 7M12000015 is a 12 MHz surface mount crystal oscillator manufactured by TXC CORPORATION, designed for applications requiring precise frequency reference at 12.0000 MHz with ±30ppm stability. This part operates across the industrial temperature range of -40°C to 85°C and features a 10pF load capacitance in a compact 4-SMD, No Lead package measuring 3.20mm × 2.50mm. The component is RoHS Compliant with MSL 1 rating, indicating unlimited moisture sensitivity protection.

The 7M12000015 is classified as Active product status with 3,931 pieces currently in stock. Equivalent and substitute parts are identified based on matching frequency, stability, temperature range, and mounting compatibility while allowing variations in load capacitance and ESR characteristics within acceptable design parameters.

Substiute Parts

7M12000015

TXC CORPORATIONIn Stock: 39847M12000015 Datasheet

Current PartRFQ

7M-12.000MAHE-T

TXC CORPORATIONIn Stock: 99557M-12.000MAHE-T Datasheet

SimilarRFQ

7M-12.000MAHV-T

TXC CORPORATIONIn Stock: 23587M-12.000MAHV-T Datasheet

SimilarRFQ

8Z-12.000MAHE-T

TXC CORPORATIONIn Stock: 112618Z-12.000MAHE-T Datasheet

SimilarRFQ

8Z-12.000MAHQ-T

TXC CORPORATIONIn Stock: 143118Z-12.000MAHQ-T Datasheet

SimilarRFQ

C3E-12.000-12-3030-X-R

Aker Technology CorpIn Stock: 9827C3E-12.000-12-3030-X-R Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the 7M12000015 is determined by the following critical parameters:

Primary Matching Criteria (Non-Negotiable):

• Frequency: 12.0000 MHz
• Frequency Stability: ±30ppm
• Operating Temperature Range: -40°C to 85°C
• Mounting Type: Surface Mount
• Package / Case: 4-SMD, No Lead
• RoHS Compliance Status

Secondary Variation Parameters (Allowable Differences):

• Load Capacitance: 8pF, 10pF, or 12pF
• ESR (Equivalent Series Resistance): 100 Ohms or 150 Ohms
• Physical Dimensions: Variations within SMD package constraints
• Packaging Format: Tape & Reel acceptable for bulk applications

All identified substitute parts maintain identical frequency, stability, temperature range, and mounting specifications. Variations in load capacitance and ESR are acceptable provided the circuit design accommodates the specified load capacitance value. Physical dimension differences between 7M series (3.20mm × 2.50mm) and 8Z series (2.50mm × 2.00mm) represent miniaturization within the same functional category.

Parameter Comparison

Engineering Selection Recommendations

Direct Substitution (Same Load Capacitance):

The 8Z-12.000MAHQ-T represents the closest functional equivalent to the 7M12000015, matching the 10pF load capacitance specification exactly. Both parts maintain identical frequency, stability, and temperature range. The 8Z-12.000MAHQ-T features a more compact footprint (2.50mm × 2.00mm versus 3.20mm × 2.50mm) and reduced height (0.55mm versus 0.80mm), making it suitable for space-constrained applications. ESR difference (150 Ohms versus unspecified) requires circuit validation if ESR-sensitive applications are involved.

Load Capacitance Variation Substitutes:

The 7M-12.000MAHE-T and C3E-12.000-12-3030-X-R both specify 12pF load capacitance, representing a 2pF increase from the 7M12000015. These parts are suitable for circuits designed to accommodate 12pF load capacitance. The 7M-12.000MAHV-T specifies 8pF load capacitance, representing a 2pF decrease, and is suitable for circuits tolerant of lower load capacitance values.

Compliance and Availability:

All substitute parts maintain Active product status and RoHS compliance. The 8Z series parts (8Z-12.000MAHE-T and 8Z-12.000MAHQ-T) offer the highest inventory availability (11,248 and 14,296 pieces respectively), supporting high-volume production requirements. The C3E-12.000-12-3030-X-R from Aker Technology Corp provides cross-manufacturer equivalence with 9,790 pieces in stock.

Dimensional Considerations:

Selection between 7M series (standard footprint) and 8Z series (miniaturized footprint) depends on PCB layout constraints. The 8Z series provides space savings but requires verification of circuit board routing compatibility. The C3E series maintains the standard 7M footprint dimensions while offering alternative manufacturer sourcing.

Frequently Asked Questions (FAQ)

Q: Can the 8Z-12.000MAHQ-T directly replace the 7M12000015 without circuit modification?

A: The 8Z-12.000MAHQ-T matches the 10pF load capacitance specification of the 7M12000015, maintaining identical frequency and stability. The primary consideration is the reduced physical footprint (2.50mm × 2.00mm versus 3.20mm × 2.50mm), which requires PCB layout verification. ESR specification difference (150 Ohms versus unspecified for the main part) should be evaluated against circuit design requirements.

Q: What is the impact of load capacitance variation between 8pF, 10pF, and 12pF?

A: Load capacitance determines the crystal's operating frequency within the specified tolerance band. The circuit design must specify the required load capacitance value. Substituting a crystal with different load capacitance (8pF, 10pF, or 12pF) requires the circuit to be designed for that specific value. Mismatched load capacitance will result in frequency deviation outside the ±30ppm specification.

Q: Are all substitute parts RoHS compliant?

A: All identified substitute parts maintain RoHS compliance status. The 7M series parts are marked RoHS Compliant, while the 8Z series and C3E series are marked ROHS3 Compliant, both meeting current regulatory requirements.

Q: What is the difference between 7M series and 8Z series crystals?

A: Both series operate at 12.0000 MHz with ±30ppm stability across -40°C to 85°C. The primary differences are physical dimensions and ESR specifications. The 7M series measures 3.20mm × 2.50mm with 0.80mm height, while the 8Z series measures 2.50mm × 2.00mm with 0.55mm height. The 8Z series features 150 Ohms ESR compared to 100 Ohms in the 7M-12.000MAHE-T and 7M-12.000MAHV-T variants.

Q: Can I use the C3E-12.000-12-3030-X-R from Aker Technology Corp as a substitute?

A: The C3E-12.000-12-3030-X-R maintains identical frequency, stability, temperature range, and 12pF load capacitance. It is suitable for applications designed for 12pF load capacitance. The part is ROHS3 compliant and maintains the standard 7M footprint dimensions (3.20mm × 2.50mm), supporting direct PCB layout compatibility.

Q: What packaging format is available for these substitute parts?

A: The 7M12000015 is supplied in standard packaging format. All identified substitute parts are available in Tape & Reel (TR) packaging, suitable for automated assembly and high-volume production environments.

Q: How do I determine which substitute part is appropriate for my application?

A: Selection criteria are: (1) Verify the required load capacitance specification from your circuit design documentation; (2) Confirm PCB layout compatibility with the physical dimensions; (3) Validate ESR requirements if the circuit design specifies ESR limits; (4) Confirm RoHS compliance requirements for your end application; (5) Verify inventory availability for production volume requirements.