SCA1020-D06 Equivalent & Substitute Parts

Part Overview

The SCA1020-D06 is a dual-axis accelerometer manufactured by Murata Electronics, designed for motion sensing applications requiring Y and Z axis acceleration measurement. This component operates with an acceleration range of ±1.7g and supports both analog and SPI digital output interfaces. The product is classified as obsolete, necessitating identification of active equivalent components to maintain design continuity and ensure long-term supply chain reliability.

Substiute Parts

SCA1020-D06

Murata ElectronicsIn Stock: 2668SCA1020-D06 Datasheet

Current PartRFQ

SCA3300-D01-1

Murata ElectronicsIn Stock: 2162SCA3300-D01-1 Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

The SCA3300-D01-1 is identified as a manufacturer-recommended substitute for the SCA1020-D06. Substitution eligibility is determined by the following criteria:

Common Functional Parameters:

• Manufacturer: Murata Electronics (same manufacturer ensures design continuity)
• Category: Motion Sensors (identical application domain)
• Operating Temperature Range: -40°C ~ 125°C (identical thermal operating window)
• Mounting Type: Surface Mount (compatible assembly process)
• Moisture Sensitivity Level: 3 (168 Hours) (equivalent handling requirements)

Substitution Considerations:

• The SCA3300-D01-1 is an active product, ensuring ongoing availability and support
• Output type transitions from dual-mode (Analog/SPI) to SPI-only digital output
• Axis configuration expands from 2-axis (Y, Z) to 3-axis (X, Y, Z)
• Acceleration range options include ±1.5g, which encompasses the original ±1.7g specification
• Supply voltage requirement changes from 4.75V ~ 5.25V to 3V ~ 3.6V

Parameter Comparison

Engineering Selection Recommendations

The SCA3300-D01-1 is the manufacturer-recommended substitute for the obsolete SCA1020-D06. Selection of this substitute requires design-level evaluation of the following factors:

Voltage Supply Compatibility: The SCA3300-D01-1 operates at 3V ~ 3.6V, compared to the original 4.75V ~ 5.25V specification. Power supply circuitry must be modified to accommodate the lower voltage requirement.

Output Interface: The SCA3300-D01-1 provides SPI digital output only, eliminating the analog output capability of the original component. Applications requiring analog signal processing must implement digital-to-analog conversion or redesign signal conditioning circuits.

Axis Expansion: The SCA3300-D01-1 provides three-axis measurement (X, Y, Z) versus the original two-axis configuration (Y, Z). Firmware and software must be updated to process the additional axis data.

Acceleration Range Selection: The SCA3300-D01-1 offers selectable acceleration ranges (±1.5g, 3g, 6g). The ±1.5g setting provides measurement capability within the original ±1.7g specification, with adjustable bandwidth and scale features enabling application-specific optimization.

Regulatory Compliance: The SCA3300-D01-1 carries ROHS3 compliance and REACH unaffected status, supporting modern regulatory requirements.

Frequently Asked Questions (FAQ)

Q: Can the SCA3300-D01-1 directly replace the SCA1020-D06 without circuit modifications?

A: No. The SCA3300-D01-1 requires modifications to power supply circuitry due to its 3V ~ 3.6V supply voltage requirement versus the original 4.75V ~ 5.25V specification. Additionally, the elimination of analog output and transition to SPI-only digital output necessitates signal conditioning redesign.

Q: What acceleration range setting should be used on the SCA3300-D01-1 to match the original SCA1020-D06 specification?

A: The ±1.5g selectable range on the SCA3300-D01-1 provides measurement capability within the original ±1.7g specification. This setting delivers sensitivity of 5400 LSB/g and is suitable for applications requiring measurement precision comparable to the original component.

Q: Does the additional X-axis measurement on the SCA3300-D01-1 require firmware changes?

A: Yes. Applications must be updated to process three-axis data from the SCA3300-D01-1 instead of the original two-axis (Y, Z) configuration. Firmware must be modified to read and interpret the X-axis acceleration data via the SPI interface.

Q: Are the moisture sensitivity and operating temperature ranges identical between the two components?

A: Yes. Both components share identical moisture sensitivity level (MSL 3, 168 Hours) and operating temperature range (-40°C ~ 125°C), ensuring equivalent handling and storage requirements.

Q: What is the package difference between the SCA1020-D06 and SCA3300-D01-1?

A: The SCA1020-D06 uses a 12-SMD Gull Wing package. The SCA3300-D01-1 uses a nonstandard package configuration. PCB layout and assembly process compatibility must be verified during design transition.