7M-24.000MAKV-T Equivalent & Substitute Parts

Part Overview

The 7M-24.000MAKV-T is a 24 MHz surface mount crystal oscillator manufactured by TXC CORPORATION. This component is classified as an active product and is designed for applications requiring a fundamental mode crystal with 8pF load capacitance. The part is RoHS compliant and carries MSL Level 1 rating, indicating unlimited moisture sensitivity protection. Substitute parts are identified when original inventory becomes unavailable, when alternative mechanical dimensions are required for specific PCB layouts, or when ESR (Equivalent Series Resistance) specifications must be adjusted for circuit performance optimization.

Key Parameters

Parameter	Value	Unit
Frequency	24.0000	MHz
Frequency Tolerance	±30	ppm
Frequency Stability	±60	ppm
Load Capacitance	8	pF
Operating Mode	Fundamental	—
Operating Temperature Range	-40 to +125	°C
Mounting Type	Surface Mount	—
Package Type	4-SMD, No Lead	—
RoHS Status	Compliant	—
MSL Rating	1 (Unlimited)	—

Substitute Part Grouping Explanation

Substitution eligibility for the 7M-24.000MAKV-T is determined by the following critical parameters:

Mandatory Matching Parameters:

Frequency: 24.0000 MHz (exact match required)
Frequency Tolerance: ±30 ppm (exact match required)
Load Capacitance: 8 pF (exact match required)
Operating Mode: Fundamental (exact match required)
Operating Temperature Range: -40°C to +125°C (exact match required)
Package Type: 4-SMD, No Lead (exact match required)
RoHS Compliance: Required
MSL Rating: 1 or better (exact match required)

Allowable Variation Parameters:

ESR (Equivalent Series Resistance): May vary within circuit design tolerances
Physical Dimensions: May vary provided PCB footprint compatibility is maintained
Series Designation: May differ between manufacturers or product lines

The substitute part 8Z-24.000MAKV-T meets all mandatory matching parameters. The primary difference is ESR specification (100 Ohms versus 60 Ohms) and physical dimensions, which do not affect electrical compatibility when circuit design accounts for ESR variation.

Parameter Comparison

Parameter	7M-24.000MAKV-T	8Z-24.000MAKV-T	Match Status
Manufacturer	TXC CORPORATION	TXC CORPORATION	Identical
Frequency	24.0000 MHz	24.0000 MHz	Identical
Frequency Tolerance	±30 ppm	±30 ppm	Identical
Frequency Stability	±60 ppm	±60 ppm	Identical
Load Capacitance	8 pF	8 pF	Identical
ESR	60 Ohms	100 Ohms	Variation Allowed
Operating Mode	Fundamental	Fundamental	Identical
Operating Temperature	-40 to +125°C	-40 to +125°C	Identical
Mounting Type	Surface Mount	Surface Mount	Identical
Package / Case	4-SMD, No Lead	4-SMD, No Lead	Identical
Size / Dimension	3.20mm x 2.50mm	2.50mm x 2.00mm	Variation Allowed
Height - Seated (Max)	0.80 mm	0.55 mm	Variation Allowed
RoHS Status	Compliant	Compliant	Identical
MSL Rating	1 (Unlimited)	1 (Unlimited)	Identical
Product Status	Active	Active	Identical

Engineering Selection Recommendations

Primary Selection: 7M-24.000MAKV-T

The 7M-24.000MAKV-T is the specified part number and should be used when available. This part carries active product status from TXC CORPORATION and maintains full RoHS compliance with MSL Level 1 rating. The 60 Ohm ESR specification is optimized for standard circuit implementations.

Substitute Selection: 8Z-24.000MAKV-T

The 8Z-24.000MAKV-T is a qualified substitute when the primary part is unavailable. Both parts are manufactured by TXC CORPORATION and share identical electrical specifications for frequency, tolerance, stability, load capacitance, and operating temperature range. Both maintain active product status and full compliance certifications.

Selection Criteria:

Use 8Z-24.000MAKV-T when 7M-24.000MAKV-T inventory is depleted
Use 8Z-24.000MAKV-T when PCB layout constraints require the smaller 2.50mm x 2.00mm footprint
Use 8Z-24.000MAKV-T when reduced height (0.55mm versus 0.80mm) is required for space-constrained applications
Verify circuit design tolerance for 100 Ohm ESR before substitution if ESR-sensitive applications are present
Both parts satisfy identical compliance requirements (RoHS, REACH, MSL Level 1)

Frequently Asked Questions (FAQ)

Q: Can 8Z-24.000MAKV-T replace 7M-24.000MAKV-T in all applications?

A: Yes, provided the PCB footprint accommodates the smaller 2.50mm x 2.00mm dimensions and the circuit design accepts 100 Ohm ESR. The electrical specifications are identical for frequency, tolerance, stability, load capacitance, and operating temperature range.

Q: What is the primary difference between these two parts?

A: The 8Z-24.000MAKV-T has a higher ESR (100 Ohms versus 60 Ohms) and smaller physical dimensions (2.50mm x 2.00mm versus 3.20mm x 2.50mm) with reduced height (0.55mm versus 0.80mm).

Q: Are both parts RoHS compliant?

A: Yes, both 7M-24.000MAKV-T and 8Z-24.000MAKV-T are RoHS compliant with MSL Level 1 rating and REACH unaffected status.

Q: Does ESR difference affect circuit performance?

A: ESR affects oscillator startup time and power consumption. The 40 Ohm difference (60 Ohms to 100 Ohms) may impact circuits with tight ESR specifications. Verify circuit design parameters before substitution.

Q: Can I use 8Z-24.000MAKV-T if my PCB is designed for 7M-24.000MAKV-T footprint?

A: The 8Z-24.000MAKV-T has a smaller footprint (2.50mm x 2.00mm versus 3.20mm x 2.50mm). Physical compatibility depends on PCB pad layout. Verify footprint compatibility before substitution.

Q: Are both parts from the same manufacturer?

A: Yes, both parts are manufactured by TXC CORPORATION and carry active product status.

Q: What is the frequency tolerance specification?

A: Both parts specify ±30 ppm frequency tolerance with ±60 ppm frequency stability across the -40°C to +125°C operating temperature range.

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