SCA103T-D04-1 Equivalent & Substitute Parts

Part Overview

The SCA103T-D04-1 is an inclinometer motion sensor manufactured by Murata Electronics, designed for single-axis (X or Y) inclination measurement with a ±15° measuring range. This component operates as a voltage output sensor with SPI interface capability and is packaged in a 12-SMD L-Bend configuration. The SCA103T-D04-1 is classified as obsolete, making identification of functionally compatible alternatives essential for ongoing system support and new design implementations.

Substiute Parts

SCA103T-D04-1

Murata ElectronicsIn Stock: 1428SCA103T-D04-1 Datasheet

Current PartRFQ

SCL3300-D01

Murata ElectronicsIn Stock: 2744SCL3300-D01 Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the SCA103T-D04-1 is determined by the following critical parameters:

• Measuring Range Compatibility: The SCA103T-D04-1 operates within ±15°. Substitute parts must accommodate applications requiring this range or greater.
• Axis Configuration: Single-axis (X or Y) measurement capability is the baseline requirement.
• Output Type and Interface: Voltage output with SPI interface defines the signal transmission method.
• Voltage Supply Requirements: Operating voltage range 4.75 V ~ 5.25 V establishes power supply constraints.
• Package Compatibility: 12-SMD form factor is a mechanical constraint for PCB integration.
• Environmental Specifications: Operating temperature range -40°C ~ 125°C and MSL rating 3 define reliability parameters.

The SCL3300-D01 is identified as the manufacturer-recommended substitute. While this part introduces expanded capabilities (±90° range, three-axis measurement, digital output, higher bandwidth), it maintains core compatibility through SPI interface, identical operating temperature range, matching MSL rating, and equivalent package density in 12-SMD configuration.

Parameter Comparison

Engineering Selection Recommendations

The SCL3300-D01 is the active substitute for the obsolete SCA103T-D04-1. Selection of this alternative is supported by the following factors:

• Product Status: The SCL3300-D01 maintains active manufacturing status, ensuring long-term availability and supply chain continuity.
• Compliance and Certifications: Both components share identical operating temperature specifications (-40°C ~ 125°C) and moisture sensitivity ratings (MSL 3, 168 Hours), confirming environmental reliability equivalence. The SCL3300-D01 carries RoHS3 compliance and REACH unaffected status, meeting modern regulatory requirements.
• Interface Compatibility: Both sensors utilize SPI interface, enabling direct integration into existing communication protocols without firmware redesign.
• Mechanical Integration: Both components employ 12-SMD packaging, maintaining PCB footprint compatibility. Lead configuration differs (L-Bend versus Flat Lead), requiring verification of mechanical clearance in specific applications.

The SCL3300-D01 introduces expanded measurement capabilities (±90° range, three-axis measurement, digital output, 70 Hz bandwidth) compared to the SCA103T-D04-1 (±15° range, single-axis, voltage output, 8 ~ 28 Hz bandwidth). These enhancements do not preclude substitution; they represent functional superset compatibility suitable for applications requiring the original part's specifications.

Frequently Asked Questions (FAQ)

Q: Can the SCL3300-D01 directly replace the SCA103T-D04-1 in existing designs?

A: Direct replacement requires verification of three factors: (1) firmware compatibility with digital output versus voltage output signal processing, (2) mechanical clearance for Flat Lead package configuration versus L-Bend, and (3) power supply voltage adjustment from 4.75 V ~ 5.25 V to 3 V ~ 3.6 V operating range.

Q: What are the key differences in measurement capability?

A: The SCA103T-D04-1 measures single-axis inclination within ±15° range with 16 V/g sensitivity and 8 ~ 28 Hz bandwidth. The SCL3300-D01 measures three-axis inclination within ±90° range with 70 Hz bandwidth and digital output. Applications requiring only ±15° single-axis measurement will operate within the SCL3300-D01's specification envelope.

Q: Are there compatibility concerns with the output signal type?

A: The SCA103T-D04-1 provides analog voltage output; the SCL3300-D01 provides digital output. System integration requires signal conditioning and analog-to-digital conversion modifications. Both components support SPI interface, maintaining communication protocol compatibility.

Q: How do package differences affect PCB integration?

A: Both components use 12-SMD packaging. The SCA103T-D04-1 employs L-Bend leads; the SCL3300-D01 uses Flat Lead configuration. PCB footprint verification is required to confirm mechanical clearance and solder joint accessibility in the target application.

Q: What environmental conditions are equivalent between these sensors?

A: Both sensors operate across -40°C ~ 125°C temperature range and carry MSL 3 (168 Hours) moisture sensitivity rating, confirming equivalent environmental reliability specifications.