7V-24.000MAHV-T Equivalent & Substitute Parts

Part Overview

The 7V-24.000MAHV-T is a 24 MHz fundamental mode crystal oscillator manufactured by TXC CORPORATION, designed for surface mount applications in 4-SMD, No Lead package configuration. This active product operates across the industrial temperature range of -40°C to 85°C with ±30ppm frequency stability and 8pF load capacitance. The component is RoHS Compliant with MSL 1 (Unlimited) moisture sensitivity rating, suitable for applications requiring stable frequency reference in compact form factors. Equivalent and substitute parts are identified to provide design flexibility, supply chain alternatives, and component availability options while maintaining electrical and mechanical compatibility within specified parameters.

Key Parameters

Parameter	Value	Unit
Frequency	24	MHz
Frequency Stability	±30	ppm
Load Capacitance	8	pF
ESR (Equivalent Series Resistance)	60	Ohms
Operating Mode	Fundamental	—
Operating Temperature Range	-40 to 85	°C
Mounting Type	Surface Mount	—
Package / Case	4-SMD, No Lead	—
Size / Dimension	3.20 x 2.50	mm
Height - Seated (Max)	0.90	mm
RoHS Status	RoHS Compliant	—
Moisture Sensitivity Level (MSL)	1 (Unlimited)	—

Substitute Part Grouping Explanation

Substitute parts for the 7V-24.000MAHV-T are categorized based on electrical parameter compatibility and mechanical interchangeability. The primary substitution criteria are:

Critical Parameters for Substitution:

Frequency: 24 MHz (exact match required)
Frequency Stability: ±30ppm (exact match required)
Operating Temperature Range: -40°C to 85°C (exact match required)
Mounting Type: Surface Mount (exact match required)
Package / Case: 4-SMD, No Lead (exact match required)

Secondary Parameters Allowing Variation:

Load Capacitance: 8pF or 10pF (within acceptable circuit design tolerance)
ESR: 60 Ohms or 40 Ohms or 100 Ohms (variation acceptable based on circuit impedance requirements)
Physical Dimensions: 3.20mm x 2.50mm or 2.50mm x 2.00mm (footprint compatibility dependent on PCB layout)
Height: 0.90mm, 0.80mm, or 0.55mm (clearance dependent on assembly constraints)

Substitution Categories:

Direct Equivalent: Parts with identical electrical specifications (frequency, stability, load capacitance, ESR) and same package dimensions. These provide pin-for-pin and functional replacement capability.

Similar Equivalent: Parts with identical frequency and stability but different load capacitance or ESR values. These require circuit verification to confirm compatibility with oscillator tank circuit design.

Parametric Equivalent: Parts from alternative manufacturers with identical electrical specifications and package configuration. These provide cross-manufacturer sourcing options.

Parameter Comparison

Manufacturer Part Number	Manufacturer	Frequency (MHz)	Frequency Stability (ppm)	Load Capacitance (pF)	ESR (Ohms)	Package / Case	Size (mm)	Height Max (mm)	Product Status	RoHS Status
7V-24.000MAHV-T	TXC CORPORATION	24	±30	8	60	4-SMD, No Lead	3.20 x 2.50	0.90	Active	RoHS Compliant
7M-24.000MAHV-T	TXC CORPORATION	24	±30	8	60	4-SMD, No Lead	3.20 x 2.50	0.80	Active	RoHS Compliant
8Z-24.000MAHQ-T	TXC CORPORATION	24	±30	10	100	4-SMD, No Lead	2.50 x 2.00	0.55	Active	RoHS Compliant
ILCX13-FF5F10-24.000MHZ	ILSI	24	±30	10	40	4-SMD, No Lead	3.20 x 2.50	0.90	Active	ROHS3 Compliant
7V-24.000MAHV-T	FTS	24	±30	8	60	4-SMD, No Lead	3.20 x 2.50	0.90	Active	RoHS Compliant
QT325G-24.000MAHV-T	QST	24	±30	8	60	4-SMD, No Lead	3.20 x 2.50	0.90	Active	ROHS3 Compliant

Engineering Selection Recommendations

Direct Equivalent Selection (Preferred for Drop-In Replacement):

The 7M-24.000MAHV-T from TXC CORPORATION provides direct electrical equivalence with identical frequency (24 MHz), frequency stability (±30ppm), load capacitance (8pF), and ESR (60 Ohms). The reduced seated height of 0.80mm versus 0.90mm on the main part offers improved clearance margin in space-constrained assemblies. Both parts maintain RoHS Compliance and MSL 1 rating. This part is recommended when TXC CORPORATION sourcing is preferred and height reduction is beneficial.

The 7V-24.000MAHV-T from FTS provides identical electrical and mechanical specifications to the main part, including frequency, stability, load capacitance, ESR, package dimensions, and height. RoHS Compliance is maintained. This part is recommended for cross-manufacturer sourcing when TXC CORPORATION availability is limited.

The QT325G-24.000MAHV-T from QST provides identical electrical specifications and package dimensions with ROHS3 Compliance certification. This part is recommended when ROHS3 certification is required for specific regulatory or customer requirements.

Similar Equivalent Selection (Requires Circuit Verification):

The 8Z-24.000MAHQ-T from TXC CORPORATION maintains frequency (24 MHz) and frequency stability (±30ppm) but differs in load capacitance (10pF versus 8pF) and ESR (100 Ohms versus 60 Ohms). The smaller footprint (2.50mm x 2.00mm) and reduced height (0.55mm) provide space optimization benefits. Circuit verification is required to confirm compatibility with the oscillator tank circuit design, as the different load capacitance and ESR values may affect frequency accuracy and startup characteristics.

The ILCX13-FF5F10-24.000MHZ from ILSI maintains frequency (24 MHz) and frequency stability (±30ppm) with 10pF load capacitance and 40 Ohms ESR. The lower ESR value may improve oscillator startup performance. ROHS3 Compliance is provided. Circuit verification is required to confirm load capacitance compatibility with the oscillator design.

Product Status and Compliance:

All substitute parts maintain Active product status, ensuring continued availability and manufacturer support. RoHS Compliance or ROHS3 Compliance is maintained across all options, meeting environmental and regulatory requirements. MSL 1 (Unlimited) moisture sensitivity rating is consistent across all parts, eliminating moisture handling concerns.

Frequently Asked Questions (FAQ)

Q: Can the 7M-24.000MAHV-T be used as a direct replacement for the 7V-24.000MAHV-T?

A: Yes. The 7M-24.000MAHV-T provides direct electrical equivalence with identical frequency (24 MHz), frequency stability (±30ppm), load capacitance (8pF), and ESR (60 Ohms). The seated height is reduced from 0.90mm to 0.80mm, which improves clearance in space-constrained designs. Both parts are from TXC CORPORATION and maintain RoHS Compliance.

Q: What is the difference between the 8Z-24.000MAHQ-T and the main part 7V-24.000MAHV-T?

A: The 8Z-24.000MAHQ-T differs in three parameters: load capacitance (10pF versus 8pF), ESR (100 Ohms versus 60 Ohms), and physical dimensions (2.50mm x 2.00mm versus 3.20mm x 2.50mm with reduced height of 0.55mm). Frequency and frequency stability remain identical at 24 MHz and ±30ppm. The different load capacitance and ESR require circuit verification to confirm compatibility with the oscillator tank circuit before substitution.

Q: Are all substitute parts RoHS Compliant?

A: Yes. All substitute parts maintain either RoHS Compliance or ROHS3 Compliance certification. The main part and most substitutes carry RoHS Compliance. The ILCX13-FF5F10-24.000MHZ and QT325G-24.000MAHV-T carry ROHS3 Compliance, which represents an updated certification standard.

Q: Can I use the ILCX13-FF5F10-24.000MHZ as a substitute?

A: The ILCX13-FF5F10-24.000MHZ from ILSI maintains frequency (24 MHz) and frequency stability (±30ppm) with identical package configuration (4-SMD, No Lead) and dimensions (3.20mm x 2.50mm). However, it differs in load capacitance (10pF versus 8pF) and ESR (40 Ohms versus 60 Ohms). Circuit verification is required to confirm compatibility with the oscillator tank circuit design before substitution. The lower ESR value may improve startup performance in some applications.

Q: What is the significance of load capacitance differences between substitute parts?

A: Load capacitance determines the external capacitor values required in the oscillator tank circuit to achieve the specified frequency. The main part specifies 8pF load capacitance. Substitute parts with 10pF load capacitance require different external capacitor values to maintain the same 24 MHz frequency. Using a substitute with different load capacitance without adjusting external capacitors will result in frequency deviation. Circuit verification and potential capacitor adjustment are required.

Q: Are there packaging differences between substitute parts?

A: Yes. The main part and most substitutes use 3.20mm x 2.50mm footprint with 0.90mm maximum seated height. The 7M-24.000MAHV-T reduces height to 0.80mm. The 8Z-24.000MAHQ-T uses a smaller footprint of 2.50mm x 2.00mm with 0.55mm height. Footprint differences require PCB layout verification to confirm pad compatibility. Height differences affect clearance to adjacent components or conformal coating requirements.

Q: What is the difference between RoHS Compliance and ROHS3 Compliance?

A: Both certifications indicate compliance with Restriction of Hazardous Substances regulations. ROHS3 represents an updated certification standard with potentially more stringent requirements. Parts carrying ROHS3 Compliance (ILCX13-FF5F10-24.000MHZ and QT325G-24.000MAHV-T) are suitable for applications requiring the latest compliance certification.

Q: Which substitute part should I select for maximum supply availability?

A: The 7M-24.000MAHV-T from TXC CORPORATION offers the highest inventory level at 14,557 pieces in stock, compared to 1,149 pieces for the main part. This part provides direct electrical equivalence with reduced height, making it suitable for applications where supply continuity is critical.

Q: Can I substitute parts from different manufacturers?

A: Yes. The 7V-24.000MAHV-T from FTS and QT325G-24.000MAHV-T from QST provide identical electrical specifications and package configuration to the main part from TXC CORPORATION. Cross-manufacturer substitution is viable when specific manufacturer sourcing is not required. Verify that your procurement and quality systems accept parts from alternative manufacturers.

Q: What does MSL 1 (Unlimited) moisture sensitivity rating mean?

A: MSL 1 (Unlimited) indicates the component has no moisture sensitivity restrictions. The part does not require special moisture-controlled storage, handling, or baking procedures before assembly. All substitute parts maintain MSL 1 rating, eliminating moisture management concerns during procurement and assembly.

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