7W-20.000MBA-T CMOS Oscillator Equivalent & Substitute Parts

Part Overview

The 7W-20.000MBA-T is a 20 MHz XO (Standard) CMOS oscillator manufactured by TXC CORPORATION, designed for surface mount applications with 3.3V supply voltage and Enable/Disable functionality. This component operates across the temperature range of -10°C to 70°C with a frequency stability of ±25ppm and maximum supply current of 20mA.

The 7W-20.000MBA-T is classified as Obsolete. Identifying equivalent substitute parts is necessary to maintain design continuity, ensure supply chain availability, and support ongoing production requirements for applications utilizing this oscillator specification.

Substiute Parts

7W-20.000MBA-T

TXC CORPORATIONIn Stock: 7507W-20.000MBA-T Datasheet

Current PartRFQ

SXO75C3C171-20.000M

Suntsu Electronics, Inc.In Stock: 4872SXO75C3C171-20.000M Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the 7W-20.000MBA-T is determined by strict equivalence across the following critical parameters:

Mandatory Matching Parameters:

• Frequency: 20 MHz
• Output Type: CMOS
• Supply Voltage: 3.3V
• Function: Enable/Disable
• Package Type: 4-SMD, No Lead
• Mounting Type: Surface Mount
• Frequency Stability: ±25ppm
• Operating Temperature Range: -10°C ~ 70°C
• Base Resonator: Crystal
• Oscillator Type: XO (Standard)

Acceptable Variation Parameters:

• Maximum Supply Current: Substitute must not exceed the original specification
• Physical Height: Minor variations within manufacturing tolerances are acceptable
• Packaging Format: Bulk packaging is acceptable as an alternative to Cut Tape

The SXO75C3C171-20.000M from Suntsu Electronics, Inc. meets all mandatory matching parameters and qualifies as a direct substitute.

Parameter Comparison

Engineering Selection Recommendations

The SXO75C3C171-20.000M qualifies as a direct substitute for the 7W-20.000MBA-T based on the following engineering criteria:

Electrical Equivalence: All critical electrical parameters match exactly, including frequency, output type, supply voltage, function, and frequency stability. The substitute exhibits lower maximum supply current (16mA versus 20mA), which represents improved power efficiency and is compatible with the original design.

Mechanical Compatibility: Both components share identical package type (4-SMD, No Lead) and physical footprint dimensions (7.00mm x 5.00mm). The height difference of 0.18mm (1.60mm versus 1.42mm) falls within standard manufacturing tolerances for surface mount components and does not affect PCB assembly or clearance requirements.

Compliance Status: The SXO75C3C171-20.000M maintains ROHS3 compliance and REACH Unaffected status, meeting current regulatory requirements. The substitute part is currently in Active production status, ensuring long-term supply chain availability compared to the Obsolete status of the original component.

Thermal Performance: Both components operate across the identical temperature range (-10°C to 70°C), ensuring thermal compatibility in the target application environment.

Frequently Asked Questions (FAQ)

Q: Can the SXO75C3C171-20.000M be used as a direct replacement for the 7W-20.000MBA-T without circuit modifications?

A: Yes. The SXO75C3C171-20.000M is electrically and mechanically equivalent to the 7W-20.000MBA-T. All critical parameters including frequency, output type, supply voltage, function, and frequency stability are identical. No circuit modifications are required.

Q: What is the significance of the lower maximum supply current in the substitute part?

A: The SXO75C3C171-20.000M specifies a maximum supply current of 16mA compared to 20mA for the original part. This represents improved power efficiency and is fully compatible with designs that accommodate the original 20mA specification. The substitute will consume less power in operation.

Q: Are there any PCB layout or assembly considerations when switching to the SXO75C3C171-20.000M?

A: No layout modifications are required. Both components use identical 4-SMD, No Lead packages with matching 7.00mm x 5.00mm footprints. The height difference of 0.18mm is within standard manufacturing tolerances and does not affect PCB clearances or assembly processes.

Q: What is the difference between Cut Tape and Bulk packaging formats?

A: Cut Tape (CT) packaging provides components on individual tape segments for automated pick-and-place assembly. Bulk packaging provides loose components. Both formats contain the same component and are functionally equivalent. Packaging format selection depends on assembly equipment and production volume requirements.

Q: Why is the original 7W-20.000MBA-T classified as Obsolete?

A: Obsolete status indicates that TXC CORPORATION has discontinued production of this component. The SXO75C3C171-20.000M from Suntsu Electronics, Inc. is currently in Active production status, providing a viable long-term supply source for equivalent functionality.

Q: Are both components RoHS compliant?

A: Yes. The 7W-20.000MBA-T is RoHS Compliant, and the SXO75C3C171-20.000M is ROHS3 Compliant. Both meet current environmental and regulatory requirements. ROHS3 represents the current standard revision.

Q: Can the SXO75C3C171-20.000M be used in high-temperature applications?

A: Both components operate across the identical temperature range of -10°C to 70°C. For applications requiring operation outside this range, alternative components with extended temperature specifications must be evaluated.