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7M32070002 32 MHz ±10ppm Crystal 10pF SMD Equivalent & Substitute Parts
Part Overview
The 7M32070002 is a 32 MHz crystal oscillator manufactured by TXC CORPORATION, designed for surface mount applications requiring precise frequency control. This component operates at 32.0000 MHz with ±10ppm frequency stability and 10pF load capacitance, housed in a 4-SMD no-lead package measuring 3.20mm x 2.50mm. The part is RoHS compliant, REACH unaffected, and classified as active product status with unlimited moisture sensitivity rating (MSL 1). Equivalent and substitute parts are identified based on matching critical electrical parameters including frequency, frequency stability, load capacitance, and mechanical compatibility within the 4-SMD no-lead package category.
Substiute Parts
Key Parameters
| Parameter | Value | Unit |
|---|---|---|
| Frequency | 32.0000 | MHz |
| Frequency Stability | ±10 | ppm |
| Frequency Tolerance | ±10 | ppm |
| Load Capacitance | 10 | pF |
| Mounting Type | Surface Mount | — |
| Package / Case | 4-SMD, No Lead | — |
| Operating Temperature Range | -20°C ~ 70°C | — |
| RoHS Status | RoHS Compliant | — |
| Moisture Sensitivity Level | 1 (Unlimited) | — |
Substitute Part Grouping Explanation
Substitution of the 7M32070002 32 MHz crystal is determined by strict adherence to the following critical parameters:
Primary Matching Criteria:
- Frequency: 32.0000 MHz (exact match required)
- Frequency Stability: ±10ppm (exact match required)
- Frequency Tolerance: ±10ppm (exact match required)
- Load Capacitance: 10pF (exact match required)
- Mounting Type: Surface Mount (exact match required)
- Package / Case: 4-SMD, No Lead (exact match required)
- Operating Temperature Range: -20°C ~ 70°C (exact match required)
Secondary Considerations:
- ESR (Equivalent Series Resistance): Varies among substitutes but does not disqualify parts meeting primary criteria
- Physical dimensions: May vary within the 4-SMD no-lead category
- Manufacturer: Multiple qualified manufacturers available
- RoHS/REACH compliance: All substitutes maintain compliance status
Parts are grouped into two categories: Direct Equivalents (matching all primary parameters including 10pF load capacitance) and Compatible Alternatives (matching frequency, stability, and package but with different load capacitance values). Compatible alternatives require circuit design verification to confirm load capacitance compatibility with the application oscillator circuit.
Parameter Comparison
| Manufacturer Part Number | Manufacturer | Frequency (MHz) | Frequency Stability (ppm) | Load Capacitance (pF) | ESR (Ohms) | Package | Size (mm) | Height Max (mm) | RoHS Status |
|---|---|---|---|---|---|---|---|---|---|
| 7M32070002 | TXC CORPORATION | 32.0000 | ±10 | 10 | — | 4-SMD, No Lead | 3.20 x 2.50 | 0.80 | RoHS Compliant |
| 7M-32.000MEEQ-T | TXC CORPORATION | 32.0000 | ±10 | 10 | 60 | 4-SMD, No Lead | 3.20 x 2.50 | 0.80 | RoHS Compliant |
| 402F32011CAR | CTS-Frequency Controls | 32.0000 | ±10 | 10 | 80 | 4-SMD, No Lead | 2.00 x 1.60 | 0.55 | ROHS3 Compliant |
| 403C11A32M00000 | CTS-Frequency Controls | 32.0000 | ±10 | 10 | 60 | 4-SMD, No Lead | 3.20 x 2.50 | 0.80 | ROHS3 Compliant |
| ABM10W-32.0000MHZ-7-B1U-T3 | Abracon LLC | 32.0000 | ±10 | 7 | 40 | 4-SMD, No Lead | 2.50 x 2.00 | 0.60 | ROHS3 Compliant |
| ABM10W-32.0000MHZ-8-B1U-T3 | Abracon LLC | 32.0000 | ±10 | 8 | 40 | 4-SMD, No Lead | 2.50 x 2.00 | 0.60 | ROHS3 Compliant |
| ABM11-32.000MHZ-9-B1U-T | Abracon LLC | 32.0000 | ±10 | 9 | 80 | 4-SMD, No Lead | 2.00 x 1.60 | 0.59 | ROHS3 Compliant |
| ABM11-32.000MHZ-B1U-T | Abracon LLC | 32.0000 | ±10 | 10 | 80 | 4-SMD, No Lead | 2.00 x 1.60 | 0.59 | ROHS3 Compliant |
| ABM11W-32.0000MHZ-8-B1U-T3 | Abracon LLC | 32.0000 | ±10 | 8 | 50 | 4-SMD, No Lead | 2.00 x 1.60 | 0.50 | ROHS3 Compliant |
| ABM8-32.000MHZ-12-B1U-T | Abracon LLC | 32.0000 | ±10 | 12 | 40 | 4-SMD, No Lead | 3.20 x 2.50 | 0.80 | ROHS3 Compliant |
| ABM8-32.000MHZ-9-B1U-T | Abracon LLC | 32.0000 | ±10 | 9 | 40 | 4-SMD, No Lead | 3.20 x 2.50 | 0.80 | ROHS3 Compliant |
Engineering Selection Recommendations
Direct Equivalents (10pF Load Capacitance):
The following parts are direct equivalents to the 7M32070002, matching all critical electrical and mechanical parameters:
-
7M-32.000MEEQ-T (TXC CORPORATION): Identical frequency, stability, load capacitance, and package dimensions. ESR specified at 60 Ohms. Active product status with RoHS compliance. Recommended for direct replacement in existing designs.
-
403C11A32M00000 (CTS-Frequency Controls): Matches all primary parameters with 10pF load capacitance and identical package footprint (3.20mm x 2.50mm). ESR specified at 60 Ohms. ROHS3 compliant. Suitable for new designs and redesigns.
-
ABM11-32.000MHZ-B1U-T (Abracon LLC): Meets frequency, stability, and load capacitance requirements. Smaller footprint (2.00mm x 1.60mm) with 0.59mm maximum height. ESR specified at 80 Ohms. ROHS3 compliant. Applicable where space constraints permit reduced package dimensions.
Compatible Alternatives (Different Load Capacitance):
The following parts operate at 32 MHz with ±10ppm stability but feature different load capacitance values. Selection requires verification that the application oscillator circuit can accommodate the specified load capacitance:
-
402F32011CAR (CTS-Frequency Controls): 10pF load capacitance with compact 2.00mm x 1.60mm footprint. ESR 80 Ohms. ROHS3 compliant.
-
ABM10W-32.0000MHZ-7-B1U-T3 (Abracon LLC): 7pF load capacitance. ESR 40 Ohms. Compact package.
-
ABM10W-32.0000MHZ-8-B1U-T3 (Abracon LLC): 8pF load capacitance. ESR 40 Ohms. Compact package.
-
ABM11-32.000MHZ-9-B1U-T (Abracon LLC): 9pF load capacitance. ESR 80 Ohms. Compact package.
-
ABM11W-32.0000MHZ-8-B1U-T3 (Abracon LLC): 8pF load capacitance. ESR 50 Ohms. Lowest profile at 0.50mm maximum height.
-
ABM8-32.000MHZ-12-B1U-T (Abracon LLC): 12pF load capacitance. ESR 40 Ohms. Identical footprint to main part.
-
ABM8-32.000MHZ-9-B1U-T (Abracon LLC): 9pF load capacitance. ESR 40 Ohms. Identical footprint to main part.
All substitute parts maintain active product status, RoHS/REACH compliance, and -20°C to 70°C operating temperature range. Selection between direct equivalents and compatible alternatives depends on circuit design requirements, available board space, and load capacitance specifications of the oscillator circuit.
Frequently Asked Questions (FAQ)
Q: Can I substitute the 7M32070002 with a part having different load capacitance?
A: Load capacitance is a critical parameter that affects oscillator circuit operation. Substitution with different load capacitance values (7pF, 8pF, 9pF, or 12pF) requires verification that the application oscillator circuit is designed to operate with the alternative load capacitance. Direct equivalents with 10pF load capacitance do not require circuit modification.
Q: What is the difference between the 7M-32.000MEEQ-T and the 7M32070002?
A: Both parts are manufactured by TXC CORPORATION and share identical frequency (32 MHz), stability (±10ppm), load capacitance (10pF), and package dimensions (3.20mm x 2.50mm). The 7M-32.000MEEQ-T specifies ESR at 60 Ohms and is supplied in Tape & Reel packaging, while the 7M32070002 does not specify ESR. Both are suitable for direct substitution.
Q: Are there size differences between substitute parts?
A: Yes. The main part measures 3.20mm x 2.50mm with 0.80mm maximum height. Several substitutes offer more compact dimensions: CTS-Frequency Controls parts measure 2.00mm x 1.60mm with 0.55mm height; Abracon ABM10W series measures 2.50mm x 2.00mm with 0.60mm height; Abracon ABM11W-32.0000MHZ-8-B1U-T3 offers the lowest profile at 0.50mm height. Compact alternatives are suitable only if PCB layout permits reduced footprint.
Q: Do all substitute parts meet RoHS compliance?
A: Yes. The main part is RoHS Compliant. All listed substitute parts are either RoHS Compliant or ROHS3 Compliant, meeting current regulatory requirements. REACH status is unaffected for all parts.
Q: What is ESR and does it affect substitution?
A: ESR (Equivalent Series Resistance) represents the internal resistance of the crystal. The main part does not specify ESR. Substitute parts specify ESR values ranging from 40 to 80 Ohms. ESR affects oscillator circuit performance but does not disqualify substitution if the oscillator circuit is designed to operate within the specified ESR range. Consult oscillator IC datasheets for acceptable ESR limits.
Q: Can I use ABM8-32.000MHZ-12-B1U-T as a substitute?
A: The ABM8-32.000MHZ-12-B1U-T matches frequency, stability, and package footprint but specifies 12pF load capacitance instead of 10pF. This part is a compatible alternative only if the application oscillator circuit is designed to operate with 12pF load capacitance. Direct substitution without circuit verification is not recommended.
Q: Which substitute offers the best space efficiency?
A: The ABM11W-32.0000MHZ-8-B1U-T3 offers the most compact profile at 2.00mm x 1.60mm footprint with 0.50mm maximum height. However, it specifies 8pF load capacitance, requiring circuit compatibility verification. For space efficiency with 10pF load capacitance, the ABM11-32.000MHZ-B1U-T provides a 2.00mm x 1.60mm footprint with 0.59mm height.
Q: Are all substitute parts available in the same packaging format?
A: Most substitute parts are supplied in Tape & Reel (TR) format. Some Abracon parts are available in Cut Tape (CT) & Digi-Reel® format. Packaging format does not affect electrical performance but may influence procurement and assembly processes. Verify packaging availability with component suppliers.
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