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7M32030001 32 MHz Crystal Equivalent & Substitute Parts
Part Overview
The TXC CORPORATION 7M32030001 is a 32 MHz surface mount crystal oscillator with 10pF load capacitance, designed for applications requiring precise frequency reference in compact form factors. This part operates across the -20°C to 70°C temperature range with ±10ppm frequency stability and is RoHS compliant. The 4-SMD, No Lead package measures 3.20mm × 2.50mm with a maximum seated height of 0.80mm.
Substitute parts are identified when they maintain electrical compatibility across critical parameters: frequency (32 MHz), frequency stability (±10ppm), load capacitance tolerance, operating temperature range, and physical package dimensions. Alternative sources ensure design continuity when primary inventory is unavailable.
Substiute Parts
Key Parameters
| Parameter | Value | Unit | Substitution Relevance |
|---|---|---|---|
| Frequency | 32.0000 | MHz | Critical - Must match exactly |
| Frequency Stability | ±10 | ppm | Critical - Determines timing accuracy |
| Frequency Tolerance | ±10 | ppm | Critical - Initial accuracy specification |
| Load Capacitance | 10 | pF | Critical - Circuit tuning parameter |
| Operating Temperature Range | -20 to 70 | °C | Critical - Environmental compatibility |
| Mounting Type | Surface Mount | — | Critical - PCB assembly compatibility |
| Package / Case | 4-SMD, No Lead | — | Critical - Physical footprint |
| Size / Dimension | 3.20 × 2.50 | mm | Critical - PCB layout constraint |
| Height - Seated (Max) | 0.80 | mm | Important - Clearance requirement |
| RoHS Status | RoHS Compliant | — | Important - Regulatory compliance |
| Moisture Sensitivity Level | 1 (Unlimited) | — | Important - Handling requirement |
Substitute Part Grouping Explanation
Substitution compatibility is determined by strict adherence to the following electrical and mechanical parameters:
Critical Matching Parameters:
- Frequency: 32.0000 MHz (exact match required)
- Frequency Stability: ±10ppm (tolerance band must not exceed specification)
- Operating Temperature Range: -20°C to 70°C minimum (equal or wider range acceptable)
- Mounting Type: Surface Mount (4-SMD, No Lead package)
- Physical Dimensions: 3.20mm × 2.50mm (exact match for PCB footprint compatibility)
Load Capacitance Consideration: The main part specifies 10pF load capacitance. Substitute parts with different load capacitance values (7pF, 8pF, 9pF, 12pF) are included in this reference because they represent alternative circuit tuning options within the same frequency and stability class. Circuit designers must verify load capacitance compatibility with their oscillator circuit design before selection.
Secondary Parameters: ESR (Equivalent Series Resistance) values vary among substitutes (40 Ohms to 80 Ohms) but do not disqualify substitution. These values affect circuit performance characteristics and must be evaluated against specific application requirements.
Regulatory Compliance: All listed substitutes maintain RoHS compliance status. Moisture Sensitivity Level 1 (Unlimited) is standard across all parts, indicating no special moisture handling requirements.
Parameter Comparison
| Manufacturer Part Number | Manufacturer | Frequency (MHz) | Frequency Stability (ppm) | Load Capacitance (pF) | ESR (Ohms) | Package Dimensions (mm) | Height Max (mm) | Operating Temp (°C) | RoHS Status |
|---|---|---|---|---|---|---|---|---|---|
| 7M32030001 | TXC CORPORATION | 32.0000 | ±10 | 10 | — | 3.20 × 2.50 | 0.80 | -20 to 70 | RoHS Compliant |
| 7M-32.000MEEQ-T | TXC CORPORATION | 32.0000 | ±10 | 10 | 60 | 3.20 × 2.50 | 0.80 | -20 to 70 | RoHS Compliant |
| 402F32011CAR | CTS-Frequency Controls | 32.0000 | ±10 | 10 | 80 | 2.00 × 1.60 | 0.55 | -20 to 70 | ROHS3 Compliant |
| 403C11A32M00000 | CTS-Frequency Controls | 32.0000 | ±10 | 10 | 60 | 3.20 × 2.50 | 0.80 | -20 to 70 | ROHS3 Compliant |
| ABM10W-32.0000MHZ-7-B1U-T3 | Abracon LLC | 32.0000 | ±10 | 7 | 40 | 2.50 × 2.00 | 0.60 | -20 to 70 | ROHS3 Compliant |
| ABM10W-32.0000MHZ-8-B1U-T3 | Abracon LLC | 32.0000 | ±10 | 8 | 40 | 2.50 × 2.00 | 0.60 | -20 to 70 | ROHS3 Compliant |
| ABM11-32.000MHZ-9-B1U-T | Abracon LLC | 32.0000 | ±10 | 9 | 80 | 2.00 × 1.60 | 0.59 | -20 to 70 | ROHS3 Compliant |
| ABM11-32.000MHZ-B1U-T | Abracon LLC | 32.0000 | ±10 | 10 | 80 | 2.00 × 1.60 | 0.59 | -20 to 70 | ROHS3 Compliant |
| ABM11W-32.0000MHZ-8-B1U-T3 | Abracon LLC | 32.0000 | ±10 | 8 | 50 | 2.00 × 1.60 | 0.50 | -20 to 70 | ROHS3 Compliant |
| ABM8-32.000MHZ-12-B1U-T | Abracon LLC | 32.0000 | ±10 | 12 | 40 | 3.20 × 2.50 | 0.80 | -20 to 70 | ROHS3 Compliant |
| ABM8-32.000MHZ-9-B1U-T | Abracon LLC | 32.0000 | ±10 | 9 | 40 | 3.20 × 2.50 | 0.80 | -20 to 70 | ROHS3 Compliant |
Engineering Selection Recommendations
Direct Footprint Compatibility (Identical Dimensions):
Parts maintaining the exact 3.20mm × 2.50mm footprint with 0.80mm maximum height are:
- 7M-32.000MEEQ-T (TXC CORPORATION)
- 403C11A32M00000 (CTS-Frequency Controls)
- ABM8-32.000MHZ-12-B1U-T (Abracon LLC)
- ABM8-32.000MHZ-9-B1U-T (Abracon LLC)
These parts require no PCB layout modification and are direct mechanical replacements.
Compact Footprint Alternatives (Smaller Dimensions):
Parts with reduced footprints (2.00mm × 1.60mm or 2.50mm × 2.00mm) offer space savings but require PCB redesign:
- 402F32011CAR (CTS-Frequency Controls): 2.00 × 1.60mm, 0.55mm height
- ABM10W-32.0000MHZ-7-B1U-T3 (Abracon LLC): 2.50 × 2.00mm, 0.60mm height
- ABM10W-32.0000MHZ-8-B1U-T3 (Abracon LLC): 2.50 × 2.00mm, 0.60mm height
- ABM11-32.000MHZ-9-B1U-T (Abracon LLC): 2.00 × 1.60mm, 0.59mm height
- ABM11-32.000MHZ-B1U-T (Abracon LLC): 2.00 × 1.60mm, 0.59mm height
- ABM11W-32.0000MHZ-8-B1U-T3 (Abracon LLC): 2.00 × 1.60mm, 0.50mm height
Load Capacitance Matching:
For applications requiring exact 10pF load capacitance matching:
- 7M-32.000MEEQ-T (TXC CORPORATION): 10pF, 60 Ohms ESR
- 402F32011CAR (CTS-Frequency Controls): 10pF, 80 Ohms ESR
- 403C11A32M00000 (CTS-Frequency Controls): 10pF, 60 Ohms ESR
- ABM11-32.000MHZ-B1U-T (Abracon LLC): 10pF, 80 Ohms ESR
Regulatory Compliance:
All substitute parts maintain RoHS compliance. TXC CORPORATION parts carry RoHS Compliant status; CTS-Frequency Controls and Abracon LLC parts carry ROHS3 Compliant status. Both certifications satisfy RoHS requirements.
Inventory Availability:
Highest inventory levels are available for:
- 7M-32.000MEEQ-T: 67,711 pcs
- ABM11W-32.0000MHZ-8-B1U-T3: 77,501 pcs
- 403C11A32M00000: 58,972 pcs
Frequently Asked Questions (FAQ)
Q: Can I substitute a crystal with different load capacitance (e.g., 8pF instead of 10pF)?
A: Load capacitance affects the oscillator circuit's tuning characteristics. Substitution with different load capacitance requires circuit verification. The oscillator circuit must be designed to accommodate the alternative load capacitance value. Consult your circuit design specifications before selecting a substitute with non-matching load capacitance.
Q: What is the impact of different ESR (Equivalent Series Resistance) values?
A: ESR values range from 40 Ohms to 80 Ohms across the substitute parts. ESR affects circuit startup characteristics and power consumption. Higher ESR values (80 Ohms) may require stronger oscillator drive circuits. Verify your oscillator IC specifications support the ESR range of your selected substitute.
Q: Are the compact footprint alternatives (2.00mm × 1.60mm) true drop-in replacements?
A: Compact alternatives are not drop-in replacements for the 3.20mm × 2.50mm footprint. They require PCB redesign and component repositioning. Use compact alternatives only when PCB layout modification is feasible and beneficial.
Q: Do all substitute parts meet the same temperature operating range?
A: All listed substitutes operate across -20°C to 70°C, matching the main part specification. This ensures thermal compatibility across the specified operating environment.
Q: What is the difference between RoHS Compliant and ROHS3 Compliant?
A: Both certifications indicate compliance with RoHS (Restriction of Hazardous Substances) regulations. ROHS3 represents the current RoHS 2.0/3.0 directive. Both statuses are acceptable for RoHS-regulated applications.
Q: Can I use the 7M-32.000MEEQ-T as a direct replacement for 7M32030001?
A: Yes. The 7M-32.000MEEQ-T maintains identical frequency (32 MHz), stability (±10ppm), load capacitance (10pF), package dimensions (3.20 × 2.50mm), and operating temperature range (-20°C to 70°C). The primary difference is packaging format (Tape & Reel vs. bulk) and specified ESR (60 Ohms). Both are TXC CORPORATION parts with RoHS compliance.
Q: Which substitute offers the smallest physical footprint?
A: The ABM11W-32.0000MHZ-8-B1U-T3 offers the smallest footprint at 2.00mm × 1.60mm with 0.50mm maximum height. This part requires PCB redesign but provides maximum space savings.
Q: Are there any substitutes with identical package dimensions and 10pF load capacitance?
A: Yes. The 403C11A32M00000 (CTS-Frequency Controls) and ABM11-32.000MHZ-B1U-T (Abracon LLC) both maintain 10pF load capacitance. However, 403C11A32M00000 uses the 3.20 × 2.50mm footprint (identical to the main part), while ABM11-32.000MHZ-B1U-T uses the smaller 2.00 × 1.60mm footprint.
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