SCA1020-D02-1 Equivalent & Substitute Parts

Part Overview

The SCA1020-D02-1 is a dual-axis accelerometer manufactured by Murata Electronics, designed for motion sensing applications requiring Y and Z axis acceleration measurement at ±1.7g range with 50Hz bandwidth. This component operates as an analog and digital output device with integrated temperature sensing capability. The SCA1020-D02-1 is classified as obsolete, necessitating identification of active equivalent components that maintain functional compatibility for new designs and production continuity.

Substiute Parts

SCA1020-D02-1

Murata ElectronicsIn Stock: 1108SCA1020-D02-1 Datasheet

Current PartRFQ

SCA3100-D04-1

Murata ElectronicsIn Stock: 60881SCA3100-D04-1 Datasheet

MFR RecommendedRFQ

SCA3300-D01-1

Murata ElectronicsIn Stock: 2162SCA3300-D01-1 Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the SCA1020-D02-1 is determined by the following critical parameters:

• Axis Configuration: The main part measures Y and Z axes. Substitute parts must provide at minimum dual-axis measurement capability.
• Acceleration Range: The ±1.7g range must be supported or exceeded by substitute components.
• Output Interface: The main part supports both analog and SPI outputs. Substitutes must provide compatible digital output capability.
• Supply Voltage: Operating voltage compatibility is essential for direct replacement.
• Temperature Range: Operating temperature specification must match or exceed the original range.
• Mounting and Package: Surface mount 12-SMD configuration must be maintained for PCB compatibility.
• Product Status: Active components are prioritized to ensure long-term availability and support.

The SCA3100-D04-1 and SCA3300-D01-1 are identified as manufacturer-recommended substitutes, both manufactured by Murata Electronics with active product status and enhanced specifications.

Parameter Comparison

Engineering Selection Recommendations

SCA3100-D04-1 is the primary substitute for direct replacement applications. This component maintains active product status with manufacturer support, provides tri-axial measurement capability exceeding the dual-axis requirement, and operates within the same temperature range. The SCA3100-D04-1 features automotive-grade qualification (AEC-Q100) and RoHS3 compliance, ensuring regulatory alignment for production environments. Supply voltage operates at 3V ~ 3.6V, requiring voltage regulation adjustment from the original 4.75V ~ 5.25V specification. The 12-SMD flat lead package maintains PCB footprint compatibility with minor lead configuration differences.

SCA3300-D01-1 serves as an alternative substitute for applications requiring selectable acceleration range and adjustable bandwidth. This component provides tri-axial measurement with configurable ranges (±1.5g, 3g, 6g) and enhanced sensitivity options. The SCA3300-D01-1 maintains active product status with RoHS3 compliance and identical temperature operating range. The nonstandard package configuration requires PCB layout verification prior to implementation. Supply voltage specification matches the SCA3100-D04-1 at 3V ~ 3.6V.

Both substitutes are manufactured by Murata Electronics, ensuring consistency in quality standards and technical support. Selection between SCA3100-D04-1 and SCA3300-D01-1 depends on application-specific requirements for acceleration range flexibility and bandwidth adjustment capability.

Frequently Asked Questions (FAQ)

Q: Can the SCA3100-D04-1 directly replace the SCA1020-D02-1 without circuit modifications?

A: The SCA3100-D04-1 requires supply voltage adjustment from 4.75V ~ 5.25V to 3V ~ 3.6V. The output interface transitions from analog/SPI to SPI-only, necessitating firmware or signal processing modifications if analog output was utilized. Tri-axial output (X, Y, Z) provides enhanced capability compared to the dual-axis (Y, Z) original specification.

Q: What are the key differences in acceleration range between these components?

A: The SCA1020-D02-1 operates at fixed ±1.7g range. The SCA3100-D04-1 provides ±2g fixed range. The SCA3300-D01-1 offers selectable ranges of ±1.5g, 3g, or 6g, allowing application-specific configuration for optimal sensitivity and measurement resolution.

Q: Are package dimensions compatible between the main part and substitutes?

A: The SCA1020-D02-1 and SCA3100-D04-1 both use 12-SMD surface mount packages with minor lead configuration differences (no lead versus flat lead). The SCA3300-D01-1 uses a nonstandard package requiring PCB layout verification and potential footprint redesign.

Q: Do the substitute parts maintain the same operating temperature range?

A: Yes. All three components operate across -40°C ~ 125°C, ensuring thermal compatibility for the same application environments.

Q: What compliance certifications apply to the substitute parts?

A: The SCA3100-D04-1 holds AEC-Q100 automotive qualification and RoHS3 compliance. The SCA3300-D01-1 maintains RoHS3 compliance. Both components are REACH unaffected and classified as EAR99 for export control purposes.