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TA-48.000MBD-T 48 MHz CMOS Oscillator Equivalent & Substitute Parts
Part Overview
The TA-48.000MBD-T is a 48 MHz MEMS-based XO (Standard) CMOS oscillator manufactured by TXC CORPORATION. This component operates at 3.3V with Enable/Disable functionality in a 4-SMD, No Lead surface mount package. The part is classified as Obsolete, making equivalent and substitute parts necessary for ongoing design support and procurement continuity. Direct substitutes maintain identical electrical specifications and mechanical compatibility, while similar alternatives offer functional equivalence with minor package or resonator technology differences.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Frequency | 48 MHz |
| Output Type | CMOS |
| Supply Voltage | 3.3V |
| Function | Enable/Disable |
| Frequency Stability | ±25ppm |
| Operating Temperature Range | -40°C ~ 85°C |
| Current Supply (Max) | 25mA |
| Package / Case | 4-SMD, No Lead |
| Size / Dimension | 0.276" L x 0.197" W (7.00mm x 5.00mm) |
| Mounting Type | Surface Mount |
| Base Resonator | MEMS |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) |
Substitute Part Grouping Explanation
Substitute parts for the TA-48.000MBD-T are classified into two categories based on electrical and mechanical compatibility:
Direct Substitutes (Electrical & Mechanical Equivalence): Direct substitutes maintain all critical electrical parameters: 48 MHz frequency, 3.3V supply voltage, ±25ppm frequency stability, Enable/Disable function, CMOS output, -40°C ~ 85°C operating temperature, and 4-SMD No Lead package with 7.00mm x 5.00mm footprint. These parts differ only in base resonator technology (Crystal vs. MEMS) and minor height variations, which do not affect circuit-level compatibility.
Similar Substitutes (Functional Equivalence with Package Differences): Similar substitutes maintain core electrical specifications but differ in package configuration (6-SMD vs. 4-SMD) or supply voltage range. These require PCB layout verification before implementation.
Substitution Criteria:
- Frequency: 48 MHz (exact match required)
- Output: CMOS (exact match required)
- Supply Voltage: 3.3V nominal (3.3V fixed or 2.25V ~ 3.6V range acceptable)
- Function: Enable/Disable (exact match required)
- Operating Temperature: -40°C ~ 85°C (exact match required)
- Package Footprint: 7.00mm x 5.00mm (exact match for direct substitutes)
- Frequency Stability: ±25ppm (exact match required)
Parameter Comparison
| Parameter | TA-48.000MBD-T (Main) | 510CBA48M0000AAGR | 510CBB48M0000AAGR | CPPC7LZ-A7BR-48.0TS | CPPLC7L-A7BR-48.0TS | SXO75C3C481-48.000M | ASVMPC-48.000MHZ-LR-T |
|---|---|---|---|---|---|---|---|
| Manufacturer | TXC CORPORATION | Skyworks Solutions Inc. | Skyworks Solutions Inc. | Cardinal Components Inc. | Cardinal Components Inc. | Suntsu Electronics, Inc. | Abracon LLC |
| Frequency | 48 MHz | 48 MHz | 48 MHz | 48 MHz | 48 MHz | 48 MHz | 48 MHz |
| Output Type | CMOS | CMOS | CMOS | CMOS | CMOS | CMOS | CMOS |
| Supply Voltage | 3.3V | 3.3V | 3.3V | 3.3V | 3.3V | 3.3V | 2.25V ~ 3.6V |
| Function | Enable/Disable | Enable/Disable | Enable/Disable | Enable/Disable | Enable/Disable | Enable/Disable | Enable/Disable |
| Frequency Stability | ±25ppm | ±25ppm | ±25ppm | ±25ppm | ±25ppm | ±25ppm | Not specified |
| Operating Temperature | -40°C ~ 85°C | -40°C ~ 85°C | -40°C ~ 85°C | -40°C ~ 85°C | -40°C ~ 85°C | -40°C ~ 85°C | -40°C ~ 85°C |
| Current Supply (Max) | 25mA | 26mA | 26mA | 25mA | 25mA | 25mA | 35mA |
| Package / Case | 4-SMD, No Lead | 4-SMD, No Lead | 4-SMD, No Lead | 4-SMD, No Lead | 4-SMD, No Lead | 4-SMD, No Lead | 6-SMD, No Lead Exposed Pad |
| Size / Dimension | 7.00mm x 5.00mm | 7.00mm x 5.00mm | 7.00mm x 5.00mm | 7.00mm x 5.00mm | 7.00mm x 5.00mm | 7.00mm x 5.00mm | 7.00mm x 5.00mm |
| Height - Seated (Max) | 1.00mm | 1.80mm | 1.80mm | 1.90mm | 1.90mm | 1.60mm | 0.90mm |
| Base Resonator | MEMS | Crystal | Crystal | Crystal | Crystal | Crystal | MEMS |
| Product Status | Obsolete | Active | Active | Active | Active | Active | Active |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) | 1 (Unlimited) | 1 (Unlimited) | 1 (Unlimited) | 1 (Unlimited) | Not specified | 1 (Unlimited) |
| RoHS Status | Not specified | Not specified | Not specified | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant |
Engineering Selection Recommendations
For Direct Pin-Compatible Replacement (Recommended Primary Options):
The following parts provide direct electrical and mechanical substitution for the TA-48.000MBD-T:
-
510CBA48M0000AAGR (Skyworks Solutions Inc., Si510 Series): Active product status with identical electrical specifications. Crystal-based resonator. Current supply 26mA (1mA higher than original). Height 1.80mm. ECCN EAR99 compliant.
-
510CBB48M0000AAGR (Skyworks Solutions Inc., Si510 Series): Active product status with identical electrical specifications. Crystal-based resonator. Current supply 26mA. Height 1.80mm. ECCN EAR99 compliant.
-
SXO75C3C481-48.000M (Suntsu Electronics, Inc., SXO75C Series): Active product status. Crystal-based resonator. Current supply 25mA (matches original). Height 1.60mm (lowest profile among direct substitutes). ROHS3 Compliant. ECCN EAR99 compliant. Highest inventory availability (4264 pcs).
For Applications Requiring Lowest Profile:
- ASVMPC-48.000MHZ-LR-T (Abracon LLC, ASVMP Pure Silicon™ Series): MEMS-based resonator (same technology as original). Height 0.90mm (lowest available). Supply voltage range 2.25V ~ 3.6V (broader than original 3.3V fixed). Current supply 35mA (higher than original). 6-SMD package requires PCB layout verification. ROHS3 Compliant. REACH Unaffected.
For RoHS3 Compliance Requirement:
All substitute parts except 510CBA48M0000AAGR and 510CBB48M0000AAGR carry explicit ROHS3 Compliant certification. If RoHS3 compliance is mandatory, select from: CPPC7LZ-A7BR-48.0TS, CPPLC7L-A7BR-48.0TS, SXO75C3C481-48.000M, or ASVMPC-48.000MHZ-LR-T.
For Maximum Inventory Availability:
SXO75C3C481-48.000M offers the highest stock level (4264 pcs) among all substitutes, combined with active product status and ROHS3 compliance.
Frequently Asked Questions (FAQ)
Q: Can I use 510CBA48M0000AAGR or 510CBB48M0000AAGR as direct replacements for TA-48.000MBD-T?
A: Yes. Both parts maintain identical electrical specifications (48 MHz, 3.3V, ±25ppm, Enable/Disable, CMOS output, -40°C ~ 85°C). The 4-SMD No Lead package and 7.00mm x 5.00mm footprint are mechanically compatible. The primary difference is base resonator technology (Crystal vs. MEMS) and height (1.80mm vs. 1.00mm). Verify PCB clearance for the increased height before implementation.
Q: What is the difference between the TA-48.000MBD-T (MEMS) and the crystal-based substitutes?
A: The original TA-48.000MBD-T uses MEMS (Micro-Electro-Mechanical Systems) resonator technology, while most substitutes (510CBA, 510CBB, CPPC7LZ, CPPLC7L, SXO75C) use crystal resonators. Both technologies deliver identical electrical performance at 48 MHz with ±25ppm stability. MEMS oscillators typically offer lower profile and better shock resistance; crystal oscillators are established technology with long-term reliability data. For this application, both are functionally equivalent.
Q: Is ASVMPC-48.000MHZ-LR-T compatible with the original TA-48.000MBD-T?
A: ASVMPC-48.000MHZ-LR-T is functionally equivalent but requires design verification. It maintains 48 MHz frequency, 3.3V nominal operation (within 2.25V ~ 3.6V range), Enable/Disable function, and CMOS output. However, it differs in three aspects: (1) 6-SMD package vs. 4-SMD (requires PCB layout change), (2) height 0.90mm vs. 1.00mm (favorable), and (3) current supply 35mA vs. 25mA (verify power budget). Use only if PCB redesign is acceptable.
Q: Which substitute offers the best height profile for space-constrained applications?
A: ASVMPC-48.000MHZ-LR-T provides the lowest profile at 0.90mm seated height. However, this requires 6-SMD package accommodation. Among 4-SMD direct substitutes, SXO75C3C481-48.000M offers the lowest height at 1.60mm.
Q: Are all substitutes RoHS3 compliant?
A: CPPC7LZ-A7BR-48.0TS, CPPLC7L-A7BR-48.0TS, SXO75C3C481-48.000M, and ASVMPC-48.000MHZ-LR-T carry explicit ROHS3 Compliant certification. 510CBA48M0000AAGR and 510CBB48M0000AAGR do not specify RoHS status. If RoHS3 compliance is required, select from the four certified parts.
Q: What is the current supply difference between the original and substitutes?
A: TA-48.000MBD-T specifies 25mA maximum. Substitutes range from 25mA to 35mA: 510CBA/510CBB (26mA), CPPC7LZ/CPPLC7L (25mA), SXO75C3C481 (25mA), and ASVMPC (35mA). Verify power supply capacity for parts exceeding 25mA.
Q: Can I use these substitutes interchangeably in production?
A: Direct substitutes (510CBA, 510CBB, CPPC7LZ, CPPLC7L, SXO75C) are pin-compatible and electrically equivalent, supporting interchangeable use. ASVMPC requires PCB layout modification due to 6-SMD package. Conduct design validation and thermal testing before production implementation.
Q: What is the frequency stability specification for ASVMPC-48.000MHZ-LR-T?
A: Frequency stability is not specified in the provided data for ASVMPC-48.000MHZ-LR-T. Contact Abracon LLC directly for this parameter if ±25ppm stability is a design requirement.
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