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7C24020001 XTAL OSC XO 24.0000MHZ CMOS SMD Equivalent & Substitute Parts
Part Overview
The 7C24020001 is a 24 MHz crystal oscillator manufactured by TXC CORPORATION, designed for applications requiring a standard XO (Standard) CMOS oscillator with Enable/Disable functionality. This surface mount device operates at 3.3V supply voltage and is housed in a 4-SMD, No Lead package measuring 5.00mm x 3.20mm.
The product is currently Active in production status with 1130 pieces available in new original inventory. Finding equivalent and substitute parts is necessary to ensure design flexibility, manage supply chain continuity, and maintain component availability across manufacturing cycles.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Frequency | 24 MHz |
| Output Type | CMOS |
| Supply Voltage | 3.3V |
| Function | Enable/Disable |
| Frequency Stability | ±30ppm |
| Operating Temperature Range | -20°C ~ 70°C |
| Mounting Type | Surface Mount |
| Package / Case | 4-SMD, No Lead |
| Physical Dimensions | 5.00mm L x 3.20mm W x 1.40mm H (Max) |
| RoHS Status | RoHS Compliant |
| Moisture Sensitivity Level | MSL 1 (Unlimited) |
Substitute Part Grouping Explanation
Substitution of the 7C24020001 is determined by strict equivalence across the following critical parameters:
Mandatory Matching Parameters:
- Frequency: 24 MHz (exact match required)
- Output Type: CMOS
- Supply Voltage: 3.3V
- Function: Enable/Disable capability
- Frequency Stability: ±30ppm
- Operating Temperature Range: -20°C ~ 70°C
- Package / Case: 4-SMD, No Lead
- Physical Dimensions: 5.00mm x 3.20mm x 1.40mm (Max)
- Mounting Type: Surface Mount
The substitute part SXO53C3B271-24.000M from Suntsu Electronics, Inc. meets all mandatory matching parameters and is therefore classified as a direct equivalent for the 7C24020001.
Parameter Comparison
| Parameter | 7C24020001 (TXC) | SXO53C3B271-24.000M (Suntsu) | Match Status |
|---|---|---|---|
| Manufacturer Part Number | 7C24020001 | SXO53C3B271-24.000M | Different |
| Manufacturer | TXC CORPORATION | Suntsu Electronics, Inc. | Different |
| Frequency | 24 MHz | 24 MHz | Match |
| Output Type | CMOS | CMOS | Match |
| Supply Voltage | 3.3V | 3.3V | Match |
| Function | Enable/Disable | Enable/Disable | Match |
| Frequency Stability | ±30ppm | ±30ppm | Match |
| Operating Temperature Range | -20°C ~ 70°C | -20°C ~ 70°C | Match |
| Mounting Type | Surface Mount | Surface Mount | Match |
| Package / Case | 4-SMD, No Lead | 4-SMD, No Lead | Match |
| Physical Dimensions (L x W) | 5.00mm x 3.20mm | 5.00mm x 3.20mm | Match |
| Height - Seated (Max) | 1.40mm | 1.40mm | Match |
| Current - Supply (Max) | Not specified | 16mA | Suntsu specified |
| RoHS Status | RoHS Compliant | ROHS3 Compliant | Both compliant |
| Moisture Sensitivity Level | MSL 1 (Unlimited) | Not specified | TXC specified |
| Product Status | Active | Active | Match |
Engineering Selection Recommendations
Primary Selection: 7C24020001 (TXC CORPORATION)
The 7C24020001 remains the primary component choice when available. It is Active in production status with established inventory (1130 pieces) and carries RoHS Compliance certification with MSL 1 rating, indicating unlimited moisture sensitivity protection.
Substitute Selection: SXO53C3B271-24.000M (Suntsu Electronics, Inc.)
The SXO53C3B271-24.000M is a direct functional equivalent suitable for substitution when the primary part is unavailable. This substitute maintains all critical electrical and mechanical parameters including frequency, output type, supply voltage, function, frequency stability, operating temperature range, and package specifications. The substitute is Active in production with higher inventory availability (7488 pieces) and carries ROHS3 Compliance certification.
Both parts are classified under ECCN EAR99 and HTSUS 8542.39.0001, confirming regulatory alignment for component selection purposes.
Frequently Asked Questions (FAQ)
Q1: Can SXO53C3B271-24.000M be used as a direct replacement for 7C24020001 in existing designs?
A: Yes. The SXO53C3B271-24.000M meets all mandatory electrical and mechanical parameters specified for the 7C24020001, including frequency (24 MHz), output type (CMOS), supply voltage (3.3V), Enable/Disable function, frequency stability (±30ppm), operating temperature range (-20°C ~ 70°C), and package specifications (4-SMD, No Lead, 5.00mm x 3.20mm x 1.40mm). No design modifications are required for substitution.
Q2: Are there differences in compliance certifications between these parts?
A: Both parts are RoHS compliant. The 7C24020001 carries RoHS Compliance certification with MSL 1 (Unlimited) moisture sensitivity rating. The SXO53C3B271-24.000M carries ROHS3 Compliance certification. Both meet regulatory requirements for their respective applications.
Q3: What is the significance of the frequency stability specification?
A: Both parts specify ±30ppm frequency stability, which defines the maximum deviation from the nominal 24 MHz frequency across the operating temperature range (-20°C ~ 70°C). This parameter is critical for timing-sensitive applications and must match between the primary part and substitute.
Q4: Are the physical dimensions identical between these parts?
A: Yes. Both parts are housed in 4-SMD, No Lead packages with identical dimensions: 5.00mm length x 3.20mm width x 1.40mm maximum seated height. This ensures mechanical compatibility with existing PCB layouts and assembly processes.
Q5: What is the difference between the packaging specifications listed?
A: The 7C24020001 is specified with "-" packaging notation, while the SXO53C3B271-24.000M is specified as "Bulk" packaging. Both parts use the same 4-SMD, No Lead case style. Packaging notation refers to the distribution format (tape and reel, tube, or bulk quantity) and does not affect component functionality or compatibility.
Q6: How do the supply current specifications compare?
A: The 7C24020001 does not specify maximum supply current in the provided data. The SXO53C3B271-24.000M specifies 16mA maximum supply current. This additional specification from the substitute part provides design guidance for power budget calculations but does not prevent substitution.
Q7: What should be verified before implementing a substitution?
A: Verification should be limited to confirming that the substitute part meets the mandatory matching parameters listed in this document: frequency, output type, supply voltage, function, frequency stability, operating temperature range, package type, and physical dimensions. All these parameters are confirmed as matching between the 7C24020001 and SXO53C3B271-24.000M.
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