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4MA074250Z4AACTGI Equivalent & Substitute Parts
Part Overview
The 4MA074250Z4AACTGI is a 74.25 MHz MEMS-based XO (Standard) oscillator manufactured by Renesas Electronics Corporation. This component provides LVDS output with 3.3V supply voltage and Enable/Disable functionality in a compact 6-SMD, No Lead surface mount package. The product is currently obsolete, making identification of compatible substitute parts essential for ongoing system support and new design implementations.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Frequency | 74.25 MHz |
| Output Type | LVDS |
| Supply Voltage | 3.3V |
| Function | Enable/Disable |
| Base Resonator | MEMS |
| Package Type | 6-SMD, No Lead |
| Frequency Stability | ±50ppm |
| Operating Temperature Range | -40°C ~ 85°C |
| Mounting Type | Surface Mount |
| Physical Dimensions | 5.00mm L x 3.20mm W |
| Maximum Height | 0.90mm |
| Current Supply (Max) | 105mA (Typ) |
| Moisture Sensitivity Level | MSL 3 (168 Hours) |
Substitute Part Grouping Explanation
Substitution of the 4MA074250Z4AACTGI is determined by strict alignment of the following critical parameters:
- Frequency: 74.25 MHz (exact match required)
- Output Type: LVDS (exact match required)
- Supply Voltage: 3.3V (exact match required)
- Function: Enable/Disable capability (exact match required)
- Package Type: 6-SMD, No Lead (exact match required)
- Operating Temperature Range: -40°C ~ 85°C (exact match required)
- Mounting Type: Surface Mount (exact match required)
The substitute part 510BBA74M2500BAG from Skyworks Solutions Inc. meets all critical electrical and mechanical parameters. While the base resonator differs (Crystal vs. MEMS), both technologies deliver the specified frequency, output characteristics, and functional requirements. The substitute provides improved frequency stability (±25ppm vs. ±50ppm) and lower supply current (23mA vs. 105mA), with enhanced moisture sensitivity rating (MSL 1 vs. MSL 3).
Parameter Comparison
| Parameter | 4MA074250Z4AACTGI (Renesas) | 510BBA74M2500BAG (Skyworks) | Match Status |
|---|---|---|---|
| Frequency | 74.25 MHz | 74.25 MHz | ✓ Match |
| Output Type | LVDS | LVDS | ✓ Match |
| Supply Voltage | 3.3V | 3.3V | ✓ Match |
| Function | Enable/Disable | Enable/Disable | ✓ Match |
| Package Type | 6-SMD, No Lead | 6-SMD, No Lead | ✓ Match |
| Operating Temperature | -40°C ~ 85°C | -40°C ~ 85°C | ✓ Match |
| Mounting Type | Surface Mount | Surface Mount | ✓ Match |
| Physical Dimensions | 5.00mm x 3.20mm | 5.00mm x 3.20mm | ✓ Match |
| Maximum Height | 0.90mm | 1.28mm | ⚠ Substitute Higher |
| Frequency Stability | ±50ppm | ±25ppm | ✓ Substitute Better |
| Current Supply (Max) | 105mA (Typ) | 23mA | ✓ Substitute Lower |
| Moisture Sensitivity Level | MSL 3 | MSL 1 | ✓ Substitute Better |
| Product Status | Obsolete | Active | ✓ Substitute Active |
Engineering Selection Recommendations
The 510BBA74M2500BAG from Skyworks Solutions Inc. is a direct functional substitute for the obsolete 4MA074250Z4AACTGI. Both components are classified as EAR99 and share identical HTSUS codes (8542.39.0001), confirming regulatory equivalence.
The substitute part offers the following advantages:
- Active product status with ongoing manufacturer support
- Superior frequency stability specification (±25ppm vs. ±50ppm)
- Significantly reduced power consumption (23mA vs. 105mA typical)
- Enhanced moisture sensitivity rating (MSL 1 vs. MSL 3)
- RoHS3 compliance and REACH unaffected status
The only dimensional variance is maximum seated height: the substitute measures 1.28mm versus 0.90mm for the original. This difference must be evaluated against specific PCB layout and enclosure clearance requirements.
Frequently Asked Questions (FAQ)
Q: Can the 510BBA74M2500BAG directly replace the 4MA074250Z4AACTGI without PCB modifications?
A: Electrical and functional compatibility is confirmed. However, the substitute part has a maximum height of 1.28mm compared to 0.90mm for the original. PCB layout and enclosure clearance must be verified before implementation.
Q: What is the difference between MEMS and Crystal-based oscillators in this application?
A: Both technologies deliver identical frequency output (74.25 MHz), LVDS signaling, and functional characteristics specified for this product category. The substitute's crystal-based design provides improved frequency stability and lower power consumption.
Q: Are there any compliance or certification differences between these parts?
A: Both parts share identical ECCN (EAR99) and HTSUS (8542.39.0001) classifications. The substitute provides additional certifications: RoHS3 compliance and REACH unaffected status.
Q: What is the significance of the MSL rating difference?
A: MSL 3 (168 hours) indicates the original part requires controlled moisture exposure during storage and handling. MSL 1 (unlimited) for the substitute eliminates these storage restrictions, reducing logistics complexity.
Q: Is the lower current consumption of the substitute part a concern?
A: No. The substitute's 23mA maximum supply current versus 105mA typical for the original represents improved efficiency. This is beneficial for power-constrained applications and does not affect functional performance.
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