Si541 CMOS XO (Standard) Pin Configurable Oscillator 541CAA001037BAG

Part Overview

The Skyworks Solutions Si541 Ultra™ series crystal oscillator (541CAA001037BAG) is a CMOS XO (Standard) pin configurable oscillator designed for applications requiring multi-voltage operation across 1.8V, 2.5V, and 3.3V supply rails. This component delivers dual-frequency output capability at 20.97152MHz and 52.4288MHz with enable/disable functionality. The part is classified as Not For New Designs, indicating it has been superseded in the manufacturer's product roadmap. Identifying parametrically equivalent alternatives ensures design continuity and supply chain flexibility for existing applications.

Substiute Parts

541CAA001037BAG

Skyworks Solutions Inc.In Stock: 947541CAA001037BAG Datasheet

Current PartRFQ

541CAA001037BBG

Skyworks Solutions Inc.In Stock: 977541CAA001037BBG Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the Si541 oscillator is determined by strict parametric matching across electrical and mechanical specifications. The primary substitute identified is the 541CAA001037BBG, which maintains identical performance characteristics across all critical parameters:

Substitution-Determining Parameters:

• Dual output frequencies: 20.97152MHz and 52.4288MHz
• Multi-voltage supply compatibility: 1.8V, 2.5V, 3.3V
• Frequency stability tolerance: ±20ppm
• Operating temperature range: -40°C to 85°C
• CMOS output configuration
• Enable/Disable function capability
• 6-SMD, No Lead package footprint and dimensions
• Maximum supply current: 108mA
• RoHS3 compliance and MSL Level 1 rating

The 541CAA001037BBG variant differs only in product status (Active vs. Not For New Designs) and packaging designation, with no electrical or mechanical parameter deviation. This classification qualifies it as a parametric equivalent suitable for direct substitution.

Parameter Comparison

Engineering Selection Recommendations

The 541CAA001037BBG is the direct parametric equivalent for the 541CAA001037BAG. Selection between these parts should be based on product lifecycle status and compliance requirements:

541CAA001037BAG (Original): Designated as Not For New Designs. Suitable for sustaining production of existing designs where component qualification has been completed and supply is available. Current inventory: 858 pieces.

541CAA001037BBG (Substitute): Classified as Active product status. Recommended for new design implementations and long-term supply assurance. Maintains full electrical and mechanical compatibility with the original part. Current inventory: 907 pieces. ROHS3 compliance and MSL Level 1 rating ensure compatibility with modern manufacturing processes.

Both parts carry identical RoHS3 compliance certification and moisture sensitivity specifications, eliminating regulatory or handling procedure differences in production environments.

Frequently Asked Questions (FAQ)

Q: Can the 541CAA001037BBG be used as a direct replacement for the 541CAA001037BAG in existing designs?

A: Yes. All electrical parameters, output frequencies, supply voltage ranges, frequency stability, operating temperature range, and package dimensions are identical. No circuit modifications or PCB layout changes are required.

Q: What is the significance of the product status difference between these parts?

A: The 541CAA001037BAG is marked Not For New Designs, indicating the manufacturer has transitioned this part to end-of-life status. The 541CAA001037BBG carries Active status, meaning it remains in full production with ongoing manufacturer support. For new designs, the 541CAA001037BBG is the appropriate selection.

Q: Are there any differences in RoHS compliance or moisture sensitivity handling?

A: No. Both parts are ROHS3 compliant and carry MSL Level 1 (Unlimited) rating, indicating identical environmental compliance and moisture sensitivity characteristics. Standard handling procedures apply to both variants.

Q: Do the package dimensions and footprint match exactly?

A: Yes. Both parts use the 6-SMD, No Lead package with identical dimensions of 5.00mm length × 3.20mm width × 1.33mm height. PCB footprints and assembly processes are interchangeable.

Q: Are the output frequencies and frequency stability identical?

A: Yes. Both parts deliver dual-frequency output at 20.97152MHz and 52.4288MHz with ±20ppm frequency stability across the -40°C to 85°C operating temperature range.

Q: What supply voltage options are available with both parts?

A: Both parts support pin-configurable operation across 1.8V, 2.5V, and 3.3V supply rails with maximum supply current of 108mA and disable current of 100mA.