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BBA5600014 156.25 MHz LVPECL Oscillator Equivalent & Substitute Parts
Part Overview
The BBA5600014 is a 156.25 MHz XO (Standard) LVPECL oscillator manufactured by TXC CORPORATION. This crystal-based oscillator operates at 3.3V with Enable/Disable functionality, housed in a 6-SMD, No Lead surface mount package. The device is Active in product status and RoHS Compliant, making it suitable for telecommunications and high-speed data applications requiring precise frequency generation.
Equivalent and substitute parts are identified based on matching electrical specifications (frequency, output type, supply voltage, stability, operating temperature range) and mechanical compatibility (package type, form factor, mounting method). The substitute parts listed maintain functional equivalence while offering alternative sourcing options.
Substiute Parts
Key Parameters
| Parameter | Specification |
|---|---|
| Frequency | 156.25 MHz |
| Output Type | LVPECL |
| Supply Voltage | 3.3V |
| Function | Enable/Disable |
| Frequency Stability | ±50ppm |
| Operating Temperature Range | -40°C ~ 85°C |
| Base Resonator | Crystal |
| Oscillator Type | XO (Standard) |
| Package / Case | 6-SMD, No Lead |
| Mounting Type | Surface Mount |
| Physical Dimensions | 0.276" L x 0.197" W (7.00mm x 5.00mm) |
| RoHS Status | RoHS Compliant |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) |
Substitute Part Grouping Explanation
Substitution eligibility for the BBA5600014 is determined by strict equivalence across the following critical parameters:
Mandatory Matching Parameters:
- Frequency: 156.25 MHz (exact match required)
- Output Type: LVPECL (signal interface compatibility)
- Supply Voltage: 3.3V (power supply compatibility)
- Function: Enable/Disable (operational feature match)
- Frequency Stability: ±50ppm (timing accuracy specification)
- Operating Temperature Range: -40°C ~ 85°C (environmental operating window)
- Package / Case: 6-SMD, No Lead (PCB footprint compatibility)
- Mounting Type: Surface Mount (assembly process compatibility)
- Physical Dimensions: 0.276" L x 0.197" W (7.00mm x 5.00mm) (board layout fit)
All three substitute parts (PB223-156.25M, SG7050EEN 156.2500M-CJGA3, and SXO75P3A481-156.250M) meet these mandatory parameters. Variations in maximum supply current, seated height, and packaging format (Tape & Reel vs. Bulk) do not affect functional substitution capability.
Parameter Comparison
| Parameter | BBA5600014 (TXC) | PB223-156.25M (Connor Winfield) | SG7050EEN 156.2500M-CJGA3 (EPSON) | SXO75P3A481-156.250M (Suntsu) |
|---|---|---|---|---|
| Frequency | 156.25 MHz | 156.25 MHz | 156.25 MHz | 156.25 MHz |
| Output Type | LVPECL | LVPECL | LVPECL | LVPECL |
| Supply Voltage | 3.3V | 3.3V | 3.3V | 3.3V |
| Function | Enable/Disable | Enable/Disable | Enable/Disable | Enable/Disable |
| Frequency Stability | ±50ppm | ±50ppm | ±50ppm | ±50ppm |
| Operating Temperature | -40°C ~ 85°C | -40°C ~ 85°C | -40°C ~ 85°C | -40°C ~ 85°C |
| Package / Case | 6-SMD, No Lead | 6-SMD, No Lead | 6-SMD, No Lead | 6-SMD, No Lead |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount |
| Physical Dimensions | 7.00mm x 5.00mm | 7.00mm x 5.00mm | 7.00mm x 5.00mm | 7.00mm x 5.00mm |
| Height - Seated (Max) | 0.059" (1.50mm) | 0.058" (1.47mm) | 0.067" (1.70mm) | 0.067" (1.70mm) |
| Current - Supply (Max) | Not specified | 50mA | 60mA | 80mA |
| RoHS Status | RoHS Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) | 1 (Unlimited) | 1 (Unlimited) | Not specified |
| REACH Status | REACH Unaffected | REACH Unaffected | REACH Unaffected | Not specified |
Engineering Selection Recommendations
All three substitute parts are functionally equivalent to the BBA5600014 based on matching electrical and mechanical specifications. Selection among these alternatives should be based on the following factors:
Regulatory Compliance: All substitute parts carry ROHS3 Compliant status, which represents an updated compliance standard. The BBA5600014 carries RoHS Compliant status. Both designations satisfy RoHS requirements; ROHS3 indicates compliance with the most recent directive iteration.
Product Status: All parts, including the main part and substitutes, maintain Active product status, indicating ongoing manufacturer support and availability.
Supply Current Considerations: The BBA5600014 does not specify maximum supply current. Substitute parts specify 50mA (PB223-156.25M), 60mA (SG7050EEN 156.2500M-CJGA3), and 80mA (SXO75P3A481-156.250M). These values represent maximum operating current and do not affect substitution eligibility. Circuit design must accommodate the specified current draw of the selected part.
Physical Height Variation: Seated height ranges from 1.47mm to 1.70mm across all parts. This variation is within typical PCB assembly tolerances for surface mount components and does not preclude substitution in standard applications.
Packaging Format: The BBA5600014 is supplied in standard packaging format. Substitute parts are available in Tape & Reel (PB223-156.25M, SG7050EEN 156.2500M-CJGA3) or Bulk (SXO75P3A481-156.250M) formats. Packaging selection depends on procurement volume and assembly process requirements.
Frequently Asked Questions (FAQ)
Q: Can PB223-156.25M be used as a direct replacement for BBA5600014?
A: Yes. The PB223-156.25M matches all mandatory electrical and mechanical parameters: 156.25 MHz frequency, LVPECL output, 3.3V supply, Enable/Disable function, ±50ppm stability, -40°C to 85°C operating range, and 6-SMD, No Lead package with 7.00mm x 5.00mm footprint. The parts are functionally equivalent.
Q: What is the difference between the three substitute parts?
A: All three substitutes meet functional equivalence criteria. Differences exist in maximum supply current (50mA, 60mA, or 80mA), seated height (1.47mm, 1.70mm, or 1.70mm), and packaging format (Tape & Reel or Bulk). These variations do not affect substitution capability but may influence circuit design and procurement logistics.
Q: Does the seated height variation affect PCB assembly?
A: The seated height range (1.47mm to 1.70mm) represents a 0.23mm maximum variation. This falls within standard PCB assembly tolerances for surface mount components and does not require design modification for typical applications.
Q: Are all substitute parts RoHS compliant?
A: Yes. The BBA5600014 is RoHS Compliant. All three substitute parts are ROHS3 Compliant, which represents compliance with the current RoHS directive. Both designations satisfy RoHS environmental requirements.
Q: Can I mix different substitute parts in the same design?
A: Yes. All parts are functionally equivalent and share identical electrical specifications and package footprints. However, circuit design must account for the maximum supply current of the specific part selected, as current requirements vary (50mA to 80mA).
Q: What does MSL 1 (Unlimited) mean?
A: Moisture Sensitivity Level 1 indicates the lowest moisture sensitivity classification. "Unlimited" means the component can be stored indefinitely without moisture bake-out procedures prior to soldering, provided standard dry storage conditions are maintained.
Q: Are there any compatibility issues with the Enable/Disable function across these parts?
A: No. All parts implement identical Enable/Disable functionality at 3.3V logic levels. Pin configuration and signal timing are equivalent across all substitute parts.
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