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7M32020001 Crystal 32.0000MHz 8pF SMD Equivalent & Substitute Parts
Part Overview
The 7M32020001 is a 32 MHz surface mount crystal manufactured by TXC CORPORATION. This component is classified as an active product and is designed for applications requiring precise frequency generation at 32 MHz with 8pF load capacitance. The crystal operates across the temperature range of -10°C to 75°C and meets RoHS compliance requirements. Substitute parts are identified to provide alternative sourcing options when the primary part number becomes unavailable or when inventory constraints require component alternatives that maintain electrical and mechanical compatibility.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Frequency | 32 MHz |
| Frequency Stability | ±15ppm |
| Load Capacitance | 8pF |
| Mounting Type | Surface Mount |
| Package / Case | 4-SMD, No Lead |
| Size / Dimension | 0.126" L x 0.098" W (3.20mm x 2.50mm) |
| Operating Temperature Range | -10°C ~ 75°C |
| RoHS Status | RoHS Compliant |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) |
Substitute Part Grouping Explanation
Substitution of the 7M32020001 is determined by strict alignment of the following critical parameters:
Mandatory Matching Parameters:
- Frequency: 32 MHz (exact match required)
- Frequency Stability: ±15ppm (tolerance specification must be met or exceeded)
- Load Capacitance: 8pF (exact match required for circuit compatibility)
- Package / Case: 4-SMD, No Lead (physical and electrical interface requirement)
- Size / Dimension: 0.126" L x 0.098" W (3.20mm x 2.50mm) (PCB footprint compatibility)
- Operating Temperature Range: -10°C ~ 75°C (minimum operational envelope)
- RoHS Compliance: Required (regulatory requirement)
The substitute part CS14526-32M from NDK America, Inc. satisfies all mandatory parameters and is therefore classified as a direct electrical and mechanical equivalent.
Parameter Comparison
| Parameter | 7M32020001 (TXC) | CS14526-32M (NDK) | Compatibility |
|---|---|---|---|
| Manufacturer | TXC CORPORATION | NDK America, Inc. | Different manufacturer |
| Frequency | 32 MHz | 32 MHz | Match |
| Frequency Stability | ±15ppm | ±15ppm | Match |
| Frequency Tolerance | ±15ppm | ±15ppm | Match |
| Load Capacitance | 8pF | 8pF | Match |
| ESR (Equivalent Series Resistance) | Not specified | 50 Ohms | Additional specification in substitute |
| Operating Temperature Range | -10°C ~ 75°C | -10°C ~ 75°C | Match |
| Mounting Type | Surface Mount | Surface Mount | Match |
| Package / Case | 4-SMD, No Lead | 4-SMD, No Lead | Match |
| Size / Dimension | 0.126" L x 0.098" W (3.20mm x 2.50mm) | 0.126" L x 0.098" W (3.20mm x 2.50mm) | Match |
| Height - Seated (Max) | 0.031" (0.80mm) | 0.024" (0.60mm) | Substitute is lower profile |
| RoHS Status | RoHS Compliant | RoHS Compliant | Match |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) | 1 (Unlimited) | Match |
| Product Status | Active | Active | Both actively manufactured |
Engineering Selection Recommendations
Primary Part: 7M32020001
The 7M32020001 remains the specified component for new designs and production runs where TXC CORPORATION supply chain is established. This part is actively manufactured and maintains full RoHS compliance with MSL 1 rating, indicating no moisture sensitivity constraints during storage and handling.
Substitute Part: CS14526-32M
The CS14526-32M from NDK America, Inc. is electrically and mechanically equivalent and may be selected when:
- TXC CORPORATION 7M32020001 inventory is depleted or lead times exceed project requirements
- Supply chain diversification is required for risk mitigation
- NDK America, Inc. inventory availability provides cost or logistics advantages
Both parts are active products with identical frequency specifications (32 MHz ±15ppm), load capacitance (8pF), package configuration (4-SMD, No Lead), and operating temperature range (-10°C ~ 75°C). Both meet RoHS compliance and carry MSL 1 rating. The CS14526-32M provides an additional specification (50 Ohms ESR) and features a lower seated height (0.024" versus 0.031"), which may provide advantages in space-constrained applications.
Frequently Asked Questions (FAQ)
Q: Can CS14526-32M be used as a direct replacement for 7M32020001 in existing designs?
A: Yes. Both parts share identical frequency (32 MHz), frequency stability (±15ppm), load capacitance (8pF), package type (4-SMD, No Lead), physical dimensions (3.20mm x 2.50mm), and operating temperature range (-10°C ~ 75°C). The parts are electrically and mechanically compatible for direct substitution.
Q: What is the difference in height between these two crystals?
A: The 7M32020001 has a maximum seated height of 0.031" (0.80mm), while the CS14526-32M has a maximum seated height of 0.024" (0.60mm). The substitute part is 0.007" (0.20mm) lower, which may be beneficial in applications with height constraints but does not affect electrical performance.
Q: Are both parts RoHS compliant?
A: Yes. Both the 7M32020001 and CS14526-32M are RoHS compliant and carry MSL 1 (Unlimited) moisture sensitivity rating, indicating no special moisture control requirements during storage, handling, or assembly.
Q: What does the ±15ppm frequency stability specification mean?
A: The ±15ppm specification indicates that the crystal frequency will not deviate more than 15 parts per million from the nominal 32 MHz frequency across the operating temperature range of -10°C to 75°C. Both parts meet this identical specification.
Q: Can I use these crystals interchangeably in production?
A: Yes. Both parts are active products from established manufacturers with identical electrical specifications and package configurations. They may be used interchangeably provided that circuit design accommodates the specified 8pF load capacitance and the operating temperature range does not exceed -10°C to 75°C.
Q: What is the significance of the 8pF load capacitance specification?
A: The 8pF load capacitance is the capacitive load that the oscillator circuit must present to the crystal for proper frequency operation. Both the 7M32020001 and CS14526-32M are specified for 8pF load capacitance and must be used in circuits designed for this load value to maintain the ±15ppm frequency stability specification.
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