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114.285 MHz Crystal 18pF SMD Equivalent & Substitute Parts
Part Overview
The TXC CORPORATION 7MA1472001 is a 114.285 MHz crystal oscillator designed for surface mount applications with 18pF load capacitance. This Active product operates across the industrial temperature range of -40°C to 85°C and meets RoHS compliance requirements. Substitute parts are identified to provide alternative sourcing options while maintaining electrical and mechanical compatibility within the specified parameter tolerances.
Substiute Parts
Key Parameters
| Parameter | Specification |
|---|---|
| Frequency | 114.285 MHz |
| Frequency Stability | ±100ppm |
| Load Capacitance | 18pF |
| Package / Case | 4-SMD, No Lead |
| Size / Dimension | 0.126" L x 0.098" W (3.20mm x 2.50mm) |
| Height - Seated (Max) | 0.031" (0.80mm) |
| Operating Temperature | -40°C ~ 85°C |
| Mounting Type | Surface Mount |
| RoHS Status | RoHS Compliant |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) |
Substitute Part Grouping Explanation
Substitute parts for the 7MA1472001 are qualified based on the following critical parameters:
Electrical Parameters:
- Frequency: 114.285 MHz (exact match required)
- Frequency Stability: ±100ppm (tolerance match required)
- Load Capacitance: 18pF (exact match required)
Mechanical Parameters:
- Package / Case: 4-SMD, No Lead (exact match required)
- Physical Dimensions: 0.126" L x 0.098" W (3.20mm x 2.50mm) (exact match required)
- Height - Seated (Max): 0.031" (0.80mm) (exact match required)
- Mounting Type: Surface Mount (exact match required)
Environmental & Compliance Parameters:
- Operating Temperature: -40°C ~ 85°C (exact match required)
- RoHS Status: RoHS Compliant (minimum requirement)
- Moisture Sensitivity Level: 1 (Unlimited) (exact match required)
All substitute parts listed meet these criteria and are classified as Active products with current inventory availability.
Parameter Comparison
| Parameter | 7MA1472001 (TXC) | 7M-114.285MCFJ-T (TXC) | CS-018-114.285M (Connor Winfield) |
|---|---|---|---|
| Manufacturer | TXC CORPORATION | TXC CORPORATION | Connor Winfield |
| Series | 7M | 7M | CS-018 |
| Frequency | 114.285 MHz | 114.285 MHz | 114.285 MHz |
| Frequency Stability | ±100ppm | ±100ppm | ±100ppm |
| Frequency Tolerance | ±100ppm | ±100ppm | ±100ppm |
| Load Capacitance | 18pF | 18pF | 18pF |
| Operating Mode | Not specified | 3rd Overtone | 3rd Overtone |
| Operating Temperature | -40°C ~ 85°C | -40°C ~ 85°C | -40°C ~ 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 | 0.126" L x 0.098" W (3.20mm x 2.50mm) | 0.126" L x 0.098" W (3.20mm x 2.50mm) | 0.126" L x 0.098" W (3.20mm x 2.50mm) |
| Height - Seated (Max) | 0.031" (0.80mm) | 0.031" (0.80mm) | 0.031" (0.80mm) |
| RoHS Status | RoHS Compliant | RoHS Compliant | ROHS3 Compliant |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) | 1 (Unlimited) | 1 (Unlimited) |
| REACH Status | REACH Unaffected | REACH Unaffected | REACH Unaffected |
| ECCN | EAR99 | EAR99 | EAR99 |
| HTSUS | 8541.60.0060 | 8541.60.0060 | 8541.60.0060 |
| Product Status | Active | Active | Active |
| Inventory (Pcs) | 791 | 3135 | 3519 |
Engineering Selection Recommendations
All three parts listed are Active products with current manufacturing status and full compliance certifications. Selection between the main part and substitutes is based on the following factors:
7MA1472001 (TXC CORPORATION):
- Standard packaging configuration
- Suitable for applications requiring the specified parameter set
- Inventory: 791 pieces
7M-114.285MCFJ-T (TXC CORPORATION):
- Identical electrical and mechanical specifications to 7MA1472001
- Packaging: Cut Tape (CT) format
- Higher inventory availability: 3135 pieces
- Operating Mode specified as 3rd Overtone
CS-018-114.285M (Connor Winfield):
- Identical electrical and mechanical specifications
- Packaging: Tape & Reel (TR) format
- Highest inventory availability: 3519 pieces
- Operating Mode specified as 3rd Overtone
- ESR (Equivalent Series Resistance): 80 Ohms specified
- ROHS3 Compliant certification
All parts meet RoHS compliance, REACH requirements, and export classification (EAR99). Selection should be based on packaging format requirements, inventory availability, and supply chain preferences.
Frequently Asked Questions (FAQ)
Q: Can the 7M-114.285MCFJ-T replace the 7MA1472001 in my circuit?
A: Yes. Both parts share identical electrical parameters (114.285 MHz frequency, ±100ppm stability, 18pF load capacitance) and mechanical specifications (4-SMD package, 3.20mm x 2.50mm dimensions, 0.80mm max height). The primary difference is packaging format: Cut Tape (CT) versus the standard format of the main part.
Q: What is the difference between the TXC and Connor Winfield parts?
A: The CS-018-114.285M from Connor Winfield meets the same electrical and mechanical requirements. The key differences are: manufacturer, packaging format (Tape & Reel), and the specified ESR of 80 Ohms. All three parts operate across -40°C to 85°C and comply with RoHS standards.
Q: Are there any compatibility concerns with different packaging formats?
A: No. The Cut Tape (CT) and Tape & Reel (TR) packaging formats are standard supply configurations that do not affect electrical or mechanical compatibility. Selection depends on your procurement and assembly process requirements.
Q: Do all substitute parts have the same frequency stability?
A: Yes. All listed parts maintain ±100ppm frequency stability and ±100ppm frequency tolerance across the operating temperature range of -40°C to 85°C.
Q: What does MSL 1 (Unlimited) mean for these crystals?
A: Moisture Sensitivity Level 1 indicates the lowest moisture sensitivity classification. These parts can be stored indefinitely without special moisture control measures, simplifying inventory management and logistics.
Q: Are all parts RoHS compliant?
A: Yes. The 7MA1472001 and 7M-114.285MCFJ-T are RoHS Compliant. The CS-018-114.285M is ROHS3 Compliant. Both certifications meet current regulatory requirements.
Q: Which part should I select for new designs?
A: Selection should be based on your specific requirements: packaging format preference, inventory availability, and supply chain strategy. All three parts are Active products with equivalent electrical and mechanical performance.
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