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7M-32.000MAHC-T Equivalent & Substitute Parts Reference
Part Overview
The 7M-32.000MAHC-T is a 32 MHz fundamental mode crystal oscillator manufactured by TXC CORPORATION in active product status. This surface mount device is specified for 9pF load capacitance with ±30ppm frequency stability across the -40°C to 85°C operating temperature range. The component is packaged in a 4-SMD, No Lead configuration measuring 3.20mm × 2.50mm with 0.80mm maximum seated height.
Substitute parts are identified when equivalent electrical performance can be maintained within the specified parameter tolerances while accommodating minor mechanical variations and packaging differences. Alternative sources and load capacitance variants are documented to support supply chain flexibility and design optimization.
Substiute Parts
Key Parameters
| Parameter | Value | Unit | Substitution Relevance |
|---|---|---|---|
| Frequency | 32.000 | MHz | Critical - Must match exactly |
| Frequency Stability | ±30 | ppm | Critical - Defines tolerance band |
| Load Capacitance | 9 | pF | Critical - Determines circuit compatibility |
| ESR (Equivalent Series Resistance) | 60 | Ohms | Critical - Affects oscillator startup and stability |
| Operating Mode | Fundamental | - | Critical - Defines frequency generation method |
| Operating Temperature Range | -40 to 85 | °C | Critical - Defines environmental limits |
| Mounting Type | Surface Mount | - | Critical - PCB assembly compatibility |
| Package / Case | 4-SMD, No Lead | - | Critical - Physical footprint and soldering |
| RoHS Status | RoHS Compliant | - | Regulatory - Environmental compliance |
| MSL (Moisture Sensitivity Level) | 1 | - | Handling - Unlimited shelf life |
Substitute Part Grouping Explanation
Substitution logic for the 7M-32.000MAHC-T is based on the following criteria:
Primary Substitution Criteria (Non-Negotiable):
- Frequency: 32.000 MHz (exact match required)
- Frequency Stability: ±30ppm (tolerance band must be maintained or improved)
- Operating Mode: Fundamental (frequency generation method must match)
- Operating Temperature Range: -40°C to 85°C (minimum coverage required)
- Mounting Type: Surface Mount (assembly compatibility)
- Package Type: 4-SMD, No Lead (footprint compatibility)
- ESR: 60 Ohms (oscillator circuit performance)
Secondary Substitution Criteria (Design-Dependent):
- Load Capacitance: 9pF (primary specification); 8pF variants acceptable when circuit design permits load capacitance adjustment
- Physical Dimensions: Minor variations permitted if footprint remains compatible with 4-SMD, No Lead land pattern
- Packaging Format: Tape & Reel (TR) or Cut Tape (CT) interchangeable for procurement purposes
Regulatory Compliance (Required):
- RoHS Compliance status (RoHS Compliant or ROHS3 Compliant acceptable)
- REACH Status: REACH Unaffected (no additional restrictions)
Substitute parts identified: 7M-32.000MAHV-T (TXC CORPORATION, 8pF load capacitance), XYAEELNANF-32.000000 (Taitien, 8pF load capacitance).
Parameter Comparison
| Parameter | 7M-32.000MAHC-T (Main) | 7M-32.000MAHV-T (Substitute) | XYAEELNANF-32.000000 (Substitute) |
|---|---|---|---|
| Manufacturer | TXC CORPORATION | TXC CORPORATION | Taitien |
| Frequency | 32.000 MHz | 32.000 MHz | 32.000 MHz |
| Frequency Stability | ±30 ppm | ±30 ppm | ±30 ppm |
| Load Capacitance | 9 pF | 8 pF | 8 pF |
| ESR | 60 Ohms | 60 Ohms | 60 Ohms |
| Operating Mode | Fundamental | Fundamental | Fundamental |
| Operating Temperature | -40°C to 85°C | -40°C to 85°C | -40°C to 85°C |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount |
| Package / Case | 4-SMD, No Lead | 4-SMD, No Lead | 4-SMD, No Lead |
| Size / Dimension | 3.20mm × 2.50mm | 3.20mm × 2.50mm | 2.55mm × 2.05mm |
| Height - Seated (Max) | 0.80 mm | 0.80 mm | 0.55 mm |
| RoHS Status | RoHS Compliant | RoHS Compliant | ROHS3 Compliant |
| MSL | 1 (Unlimited) | 1 (Unlimited) | 1 (Unlimited) |
| REACH Status | REACH Unaffected | REACH Unaffected | REACH Unaffected |
| Packaging Format | Tape & Reel (TR) | Tape & Reel (TR) | Cut Tape (CT) |
| Inventory Status | 1103 Pcs New Original | 5831 Pcs New Original | 4006 Pcs New Original |
Engineering Selection Recommendations
7M-32.000MAHV-T (TXC CORPORATION): This substitute maintains identical electrical specifications with the exception of load capacitance (8pF versus 9pF). Both parts share the same manufacturer, frequency, stability, ESR, operating temperature range, and package footprint. Selection of this substitute is appropriate when circuit design accommodates 8pF load capacitance or when load capacitance tuning is implemented in the oscillator circuit. Higher inventory availability (5831 units) supports supply chain continuity. Identical RoHS compliance and MSL rating ensure regulatory and handling equivalence.
XYAEELNANF-32.000000 (Taitien): This substitute provides equivalent electrical performance across frequency, stability, ESR, and operating temperature specifications. Load capacitance is 8pF, requiring circuit design compatibility. Physical dimensions are reduced (2.55mm × 2.05mm versus 3.20mm × 2.50mm) with lower seated height (0.55mm versus 0.80mm), enabling space-constrained applications. The 4-SMD, No Lead package remains compatible with standard SMD assembly processes. ROHS3 compliance exceeds RoHS Compliant status. Packaging format is Cut Tape (CT) rather than Tape & Reel (TR), affecting procurement and automated assembly workflows. Inventory availability (4006 units) supports production requirements.
Selection Criteria:
- Use 7M-32.000MAHV-T when load capacitance adjustment is feasible and TXC CORPORATION sourcing is preferred
- Use XYAEELNANF-32.000000 when space constraints require reduced footprint dimensions and Taitien sourcing is acceptable
- Verify circuit design load capacitance tolerance before substitution with 8pF variants
Frequently Asked Questions (FAQ)
Q: Can the 7M-32.000MAHV-T replace the 7M-32.000MAHC-T directly without circuit modification?
A: Direct replacement is possible only if the oscillator circuit design accommodates 8pF load capacitance. The primary difference is load capacitance specification (8pF versus 9pF). If the circuit is designed for 9pF load capacitance, oscillator frequency accuracy may be affected. Circuit load capacitance tuning or design review is required to confirm compatibility.
Q: What is the impact of load capacitance difference between 9pF and 8pF?
A: Load capacitance affects the oscillator circuit's resonant frequency and startup characteristics. A 1pF difference may require adjustment of external load capacitors in the oscillator circuit to maintain specified frequency accuracy. The magnitude of frequency shift depends on circuit design parameters. Circuit simulation or empirical testing is necessary to quantify the specific impact for a given application.
Q: Is the XYAEELNANF-32.000000 footprint compatible with PCB designs for the 7M-32.000MAHC-T?
A: The XYAEELNANF-32.000000 uses the same 4-SMD, No Lead package type but with reduced physical dimensions (2.55mm × 2.05mm versus 3.20mm × 2.50mm). The land pattern footprint differs. PCB layout verification is required to confirm compatibility. The smaller footprint may fit within the original land pattern area, but solder joint reliability and assembly process capability must be evaluated.
Q: Are all three parts RoHS compliant?
A: Yes. The 7M-32.000MAHC-T and 7M-32.000MAHV-T are RoHS Compliant. The XYAEELNANF-32.000000 is ROHS3 Compliant, which represents an updated RoHS standard with additional substance restrictions. Both compliance levels are acceptable for RoHS-regulated applications.
Q: What is the difference between Tape & Reel (TR) and Cut Tape (CT) packaging?
A: Tape & Reel (TR) packaging supplies components on continuous tape wound on reels, suitable for automated pick-and-place assembly equipment. Cut Tape (CT) packaging supplies components on tape segments cut to specified lengths, typically for manual assembly or lower-volume production. Both formats contain the same component; packaging format selection depends on assembly process requirements and volume.
Q: Can I use the XYAEELNANF-32.000000 in high-volume automated assembly?
A: The XYAEELNANF-32.000000 is supplied in Cut Tape (CT) format, which requires manual feeding or tape-to-reel conversion for automated pick-and-place equipment. The 7M-32.000MAHC-T and 7M-32.000MAHV-T are supplied in Tape & Reel (TR) format, directly compatible with standard automated assembly systems. Use of Cut Tape format in high-volume production may require process adaptation or tape-to-reel conversion services.
Q: What is MSL 1 (Unlimited) and why is it important?
A: MSL (Moisture Sensitivity Level) 1 indicates the component has unlimited shelf life and does not require special moisture control during storage or handling. All three substitute parts carry MSL 1 rating, eliminating moisture-related handling constraints and enabling standard warehouse storage conditions.
Q: Are there any frequency accuracy differences between the three parts?
A: All three parts specify ±30ppm frequency stability and ±30ppm frequency tolerance. Frequency accuracy is equivalent across all parts. Actual frequency performance depends on circuit design, load capacitance matching, and operating temperature conditions.
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