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7M16070022 MHz Crystal Equivalent & Substitute Parts
Part Overview
The 7M16070022 is a 16 MHz surface mount crystal manufactured by TXC CORPORATION, designed for applications requiring precise frequency reference with ±10ppm stability. This component operates across the industrial temperature range of -20°C to 85°C and features a 9pF load capacitance in a compact 4-SMD, No Lead package measuring 3.20mm x 2.50mm. The part is RoHS Compliant and carries an MSL rating of 1 (Unlimited), indicating minimal moisture sensitivity. Identifying equivalent substitute parts is necessary to ensure supply chain flexibility, optimize inventory management, and maintain design compatibility across multiple sourcing options.
Substiute Parts
Key Parameters
| Parameter | Value | Significance for Substitution |
|---|---|---|
| Frequency | 16 MHz | Critical - must match exactly |
| Frequency Stability | ±10ppm | Critical - determines timing accuracy |
| Load Capacitance | 9pF | Critical - affects circuit resonance |
| Mounting Type | Surface Mount | Critical - determines PCB assembly compatibility |
| Package / Case | 4-SMD, No Lead | Critical - physical and electrical interface |
| Operating Temperature Range | -20°C ~ 85°C | Important - application environment compatibility |
| RoHS Status | RoHS Compliant | Important - regulatory compliance requirement |
| MSL Rating | 1 (Unlimited) | Important - storage and handling requirements |
Substitute Part Grouping Explanation
Substitution eligibility for the 7M16070022 is determined by strict alignment of the following critical parameters:
Mandatory Matching Parameters:
- Frequency: 16 MHz (exact match required)
- Frequency Stability: ±10ppm (tolerance specification must be met or exceeded)
- Load Capacitance: 9pF (exact match required for circuit operation)
- Mounting Type: Surface Mount (assembly process compatibility)
- Package / Case: 4-SMD, No Lead (physical footprint and pin configuration)
- Operating Temperature Range: -20°C ~ 85°C (minimum requirement)
Compliance Parameters:
- RoHS Status: RoHS Compliant or equivalent regulatory standard
- MSL Rating: 1 or lower (equal or better moisture resistance)
The substitute part FL1600043 manufactured by Diodes Incorporated meets all mandatory matching parameters and compliance requirements, establishing it as a valid equivalent for the 7M16070022.
Parameter Comparison
| Parameter | 7M16070022 (TXC) | FL1600043 (Diodes) | Match Status |
|---|---|---|---|
| Manufacturer | TXC CORPORATION | Diodes Incorporated | Different Manufacturer |
| Series | 7M | SaRonix-eCera™ FL | Different Series |
| Frequency | 16 MHz | 16 MHz | Match |
| Frequency Stability | ±10ppm | ±10ppm | Match |
| Frequency Tolerance | ±10ppm | ±10ppm | Match |
| Load Capacitance | 9pF | 9pF | Match |
| Operating Temperature | -20°C ~ 85°C | -20°C ~ 85°C | Match |
| Mounting Type | Surface Mount | Surface Mount | Match |
| Package / Case | 4-SMD, No Lead | 4-SMD, No Lead | Match |
| Size / Dimension | 3.20mm x 2.50mm | 3.20mm x 2.50mm | Match |
| Height - Seated (Max) | 0.80mm | 0.75mm | Compatible (FL1600043 is lower) |
| RoHS Status | RoHS Compliant | ROHS3 Compliant | Match |
| MSL Rating | 1 (Unlimited) | 1 (Unlimited) | Match |
| REACH Status | REACH Unaffected | REACH Unaffected | Match |
| ECCN | EAR99 | EAR99 | Match |
| HTSUS | 8541.60.0050 | 8541.60.0050 | Match |
Engineering Selection Recommendations
Primary Part: 7M16070022 (TXC CORPORATION)
The 7M16070022 is the specified component with Active product status and established supply availability (769 Pcs in stock). This part carries full RoHS Compliance certification and REACH Unaffected status, meeting current regulatory requirements for industrial and commercial applications.
Substitute Part: FL1600043 (Diodes Incorporated)
The FL1600043 is a valid equivalent substitute with Active product status and superior inventory availability (3600 Pcs in stock). This part meets all critical electrical parameters and maintains identical compliance certifications (ROHS3 Compliant, REACH Unaffected). The FL1600043 features a marginally lower seated height (0.75mm vs 0.80mm), which presents no compatibility issues for standard PCB assembly processes. The part is supplied in Tape & Reel packaging format, suitable for automated assembly operations.
Selection Basis:
Both parts satisfy the mandatory electrical and mechanical requirements for direct substitution. Selection between them should be based on:
- Inventory availability and lead time requirements
- Packaging format compatibility with assembly processes
- Cost considerations and supplier agreements
- Existing qualification status within design documentation
Frequently Asked Questions (FAQ)
Q: Can FL1600043 be used as a direct replacement for 7M16070022 in existing designs?
A: Yes. Both parts share identical frequency (16 MHz), frequency stability (±10ppm), load capacitance (9pF), operating temperature range (-20°C to 85°C), and package configuration (4-SMD, No Lead, 3.20mm x 2.50mm). The FL1600043 is electrically and mechanically compatible for direct substitution.
Q: What is the significance of the ESR (Equivalent Series Resistance) specification listed for FL1600043?
A: The FL1600043 datasheet specifies 60 Ohms ESR. This parameter was not provided in the 7M16070022 specifications. ESR affects circuit performance and power consumption but does not prevent substitution when the primary electrical parameters (frequency, stability, load capacitance) are matched.
Q: Are there any height differences between these parts that affect PCB design?
A: The FL1600043 has a maximum seated height of 0.75mm compared to 0.80mm for the 7M16070022. This 0.05mm difference is within standard PCB assembly tolerances and does not require design modifications.
Q: Do both parts meet the same regulatory compliance standards?
A: Yes. The 7M16070022 is RoHS Compliant, and the FL1600043 is ROHS3 Compliant. Both carry REACH Unaffected status and share the same ECCN (EAR99) and HTSUS (8541.60.0050) classifications.
Q: What is the difference between the packaging formats?
A: The 7M16070022 is supplied with unspecified packaging, while the FL1600043 is supplied in Tape & Reel (TR) format. Tape & Reel packaging is standard for automated SMD assembly processes and offers advantages in handling efficiency and component protection.
Q: Can these parts be used interchangeably in high-precision timing applications?
A: Both parts meet the ±10ppm frequency stability specification. Interchangeability in high-precision applications depends on the specific circuit design requirements and whether the ±10ppm tolerance satisfies the application's timing accuracy needs.
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