32 MHz Crystal 8pF SMD Equivalent & Substitute Parts: 8Q-32.000MDDV-T

Part Overview

The 8Q-32.000MDDV-T is a 32 MHz fundamental mode crystal oscillator manufactured by TXC CORPORATION, designed for surface mount applications in 4-SMD, No Lead package configuration. This component operates at 32 MHz with ±20ppm frequency stability and 8pF load capacitance, suitable for timing and clock generation in electronic systems. The part is Active status with RoHS Compliant certification and MSL 1 rating, indicating unlimited moisture sensitivity tolerance. Equivalent and substitute parts are identified based on matching electrical specifications (frequency, stability, load capacitance, ESR) and mechanical compatibility (package type, dimensions, mounting method).

Key Parameters

Parameter	Value	Unit	Substitution Relevance
Frequency	32.000	MHz	Critical - Must match exactly
Frequency Stability	±20	ppm	Critical - Determines timing accuracy
Load Capacitance	8	pF	Critical - Circuit design parameter
ESR (Equivalent Series Resistance)	80	Ohms	Critical - Affects oscillator startup and stability
Operating Mode	Fundamental	-	Critical - Determines frequency generation method
Package / Case	4-SMD, No Lead	-	Critical - Physical and electrical compatibility
Size / Dimension	0.063" L x 0.047" W (1.60mm x 1.20mm)	-	Critical - PCB footprint compatibility
Operating Temperature	-20°C ~ 70°C	-	Important - Application environment range
Mounting Type	Surface Mount	-	Critical - Assembly process compatibility
RoHS Status	RoHS Compliant	-	Important - Regulatory compliance
MSL (Moisture Sensitivity Level)	1 (Unlimited)	-	Important - Storage and handling requirements

Substitute Part Grouping Explanation

Substitute parts for the 8Q-32.000MDDV-T are classified into three categories based on electrical and mechanical parameter alignment:

Direct Manufacturer Substitutes match all critical parameters: 32 MHz frequency, ±20ppm stability, 8pF load capacitance, 80 Ohms ESR, 4-SMD No Lead package, and 1.60mm x 1.20mm dimensions. These parts are functionally interchangeable with identical circuit performance.

Similar Manufacturer Substitutes share the same frequency, stability, and package type but differ in load capacitance (7pF vs 8pF) and ESR (100 Ohms vs 80 Ohms). These parts require circuit design verification to confirm compatibility with the oscillator circuit's capacitive loading and impedance characteristics.

Parametric Equivalents provide identical electrical specifications (32 MHz, ±20ppm, 8pF, 80 Ohms) and package dimensions but may differ in manufacturer, series designation, or compliance certifications. These parts are electrically and mechanically equivalent for direct substitution.

Parameter Comparison

Parameter	8Q-32.000MDDV-T (TXC)	ECS-320-8-47B-JTM-TR (ECS Inc.)	ABM13W-32.0000MHZ-7-B2X-T5 (Abracon)	8Q-32.000MDDV-T (FTS)	ABM12W-32.0000MHZ-8-B2U-T3 (Abracon)
Manufacturer	TXC CORPORATION	ECS Inc.	Abracon LLC	FTS	Abracon LLC
Frequency	32 MHz	32 MHz	32 MHz	32 MHz	32 MHz
Frequency Stability	±20ppm	±20ppm	±20ppm	±20ppm	±10ppm
Load Capacitance	8pF	8pF	7pF	8pF	8pF
ESR	80 Ohms	80 Ohms	100 Ohms	80 Ohms	80 Ohms
Package / Case	4-SMD, No Lead	4-SMD, No Lead	4-SMD, No Lead	4-SMD, No Lead	4-SMD, No Lead
Size / Dimension	1.60mm x 1.20mm	1.60mm x 1.20mm	1.20mm x 1.00mm	1.60mm x 1.20mm	1.60mm x 1.20mm
Height - Seated (Max)	0.40mm	0.35mm	0.33mm	0.40mm	0.40mm
Operating Temperature	-20°C ~ 70°C	-20°C ~ 70°C	-20°C ~ 70°C	-20°C ~ 70°C	-20°C ~ 70°C
RoHS Status	RoHS Compliant	ROHS3 Compliant	ROHS3 Compliant	RoHS Compliant	ROHS3 Compliant
MSL	1 (Unlimited)	1 (Unlimited)	Not Applicable	1 (Unlimited)	Not Applicable

Engineering Selection Recommendations

Direct Substitution (No Circuit Modification Required):

The ECS-320-8-47B-JTM-TR, 8Q-32.000MDDV-T (FTS), and ABM12W-32.0000MHZ-8-B2U-T3 are suitable for direct substitution. All three parts maintain identical frequency (32 MHz), load capacitance (8pF), and ESR (80 Ohms) specifications. The ECS-320-8-47B-JTM-TR offers a lower maximum seated height (0.35mm vs 0.40mm), which may provide advantages in space-constrained applications. The ABM12W-32.0000MHZ-8-B2U-T3 provides improved frequency stability at ±10ppm compared to the original ±20ppm specification, offering enhanced timing accuracy without circuit modification. All three parts are Active status with current inventory availability.

Conditional Substitution (Circuit Design Verification Required):

The ABM13W-32.0000MHZ-7-B2X-T5 differs in load capacitance (7pF vs 8pF) and ESR (100 Ohms vs 80 Ohms). This part requires verification that the oscillator circuit can accommodate the reduced load capacitance and higher series resistance. The smaller package dimensions (1.20mm x 1.00mm) may also require PCB footprint redesign. This substitution is suitable only when circuit analysis confirms compatibility with the modified electrical parameters.

Compliance Considerations:

All substitute parts maintain RoHS compliance status. The ECS-320-8-47B-JTM-TR, ABM13W-32.0000MHZ-7-B2X-T5, and ABM12W-32.0000MHZ-8-B2U-T3 carry ROHS3 certification, representing current regulatory standards. The 8Q-32.000MDDV-T (FTS) maintains RoHS Compliant status with REACH information available upon request. All parts are classified under ECCN EAR99 and HTSUS 8541.60.0060.

Frequently Asked Questions (FAQ)

Q: Can I substitute the ECS-320-8-47B-JTM-TR for the original 8Q-32.000MDDV-T without any circuit changes?

A: Yes. The ECS-320-8-47B-JTM-TR maintains identical electrical specifications (32 MHz, ±20ppm, 8pF, 80 Ohms) and package dimensions (1.60mm x 1.20mm). The lower seated height (0.35mm vs 0.40mm) is a mechanical advantage with no negative impact on circuit performance.

Q: What is the difference between the ABM12W-32.0000MHZ-8-B2U-T3 and the original part?

A: The ABM12W-32.0000MHZ-8-B2U-T3 provides superior frequency stability at ±10ppm compared to the original ±20ppm specification. All other electrical parameters (frequency, load capacitance, ESR) and package dimensions remain identical. This part can be used as a direct drop-in replacement with improved timing accuracy.

Q: Why does the ABM13W-32.0000MHZ-7-B2X-T5 have different load capacitance and ESR values?

A: The ABM13W series uses different crystal design parameters. The 7pF load capacitance and 100 Ohms ESR are inherent to this product line. Substitution requires circuit design verification to ensure the oscillator circuit can operate with these modified electrical characteristics.

Q: Are all substitute parts available in the same packaging format?

A: All substitute parts are supplied in Tape & Reel (TR) packaging for automated assembly. However, the ABM13W-32.0000MHZ-7-B2X-T5 has a smaller physical footprint (1.20mm x 1.00mm vs 1.60mm x 1.20mm), which may require PCB layout modifications despite using the same 4-SMD, No Lead package type.

Q: What is the significance of MSL (Moisture Sensitivity Level) differences?

A: The original 8Q-32.000MDDV-T and ECS-320-8-47B-JTM-TR have MSL 1 (Unlimited), requiring no special moisture control during storage and handling. The ABM13W-32.0000MHZ-7-B2X-T5 and ABM12W-32.0000MHZ-8-B2U-T3 are listed as Not Applicable, indicating these parts have different moisture sensitivity classifications. Verify storage and handling requirements with the specific manufacturer datasheet.

Q: Can I use the 8Q-32.000MDDV-T from FTS as a substitute?

A: Yes. The FTS version maintains identical electrical specifications (32 MHz, ±20ppm, 8pF, 80 Ohms) and package dimensions (1.60mm x 1.20mm). This part is a parametric equivalent suitable for direct substitution with no circuit modifications required.

Q: What should I consider when selecting between multiple substitute options?

A: Selection depends on three factors: (1) Electrical compatibility—all direct substitutes maintain identical frequency, stability, load capacitance, and ESR; (2) Physical compatibility—all maintain the same package type and dimensions except ABM13W; (3) Availability and lead time—inventory quantities vary by manufacturer and distributor. For applications requiring maximum timing accuracy, the ABM12W-32.0000MHZ-8-B2U-T3 with ±10ppm stability is preferred.

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