KXCJ9-1108 Equivalent & Substitute Parts

Part Overview

The KXCJ9-1108 is an accelerometer motion sensor manufactured by Kionix Inc. in a 12-LGA package configuration. This component has reached obsolete product status, necessitating identification of functionally equivalent alternatives for ongoing design requirements and production continuity. The part is currently held in inventory (674 pcs) but is no longer supported by the manufacturer for new designs or long-term supply assurance.

Substiute Parts

KXCJ9-1108

Kionix Inc.In Stock: 771KXCJ9-1108 Datasheet

Current PartRFQ

KXTJ3-1057

Kionix Inc.In Stock: 195631KXTJ3-1057 Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

The KXCJ9-1108 is substituted by the KXTJ3-1057 based on the following alignment criteria:

Manufacturer Continuity: Both components are manufactured by Kionix Inc., ensuring design consistency and technical support continuity.

Package Compatibility: Both parts utilize 12-LGA (2x2) surface mount packaging, enabling direct footprint compatibility on existing printed circuit boards without layout modifications.

Sensor Classification: Both are digital accelerometers with multi-axis measurement capability (X, Y, Z axes), maintaining functional equivalence for motion detection applications.

Communication Protocol: The KXTJ3-1057 employs I2C digital output, providing standard microcontroller interface compatibility.

Environmental Specifications: Both components share identical Moisture Sensitivity Level (MSL) rating of 3 (168 Hours), ensuring equivalent handling and storage requirements.

Compliance Status: The KXTJ3-1057 maintains active product status with current manufacturing support, RoHS3 compliance, and EAR99 ECCN classification.

Parameter Comparison

Engineering Selection Recommendations

Primary Substitute: KXTJ3-1057

The KXTJ3-1057 is the designated equivalent for KXCJ9-1108 replacement applications. Selection of this substitute is based on:

Product Status Alignment: The KXTJ3-1057 maintains active manufacturing status with full technical support from Kionix Inc., providing long-term supply assurance and design continuity beyond the obsolete KXCJ9-1108.

Regulatory Compliance: The KXTJ3-1057 carries RoHS3 compliance certification and EAR99 ECCN classification, meeting current environmental and export control requirements for motion sensor components.

Package Equivalence: Both components utilize 12-LGA surface mount packaging, enabling direct substitution without printed circuit board redesign or layout modification.

Moisture Handling: Identical MSL rating (3, 168 Hours) ensures equivalent moisture sensitivity management during manufacturing, storage, and assembly processes.

Functional Capability: The KXTJ3-1057 provides multi-axis acceleration measurement with selectable measurement ranges and I2C digital output, supporting standard microcontroller integration patterns.

Frequently Asked Questions (FAQ)

Q: Can the KXTJ3-1057 be used as a direct replacement for KXCJ9-1108 in existing designs?

A: The KXTJ3-1057 is compatible with existing KXCJ9-1108 footprints due to identical 12-LGA (2x2) package geometry. However, firmware or software modifications may be required to accommodate the I2C communication protocol and selectable acceleration range features of the KXTJ3-1057.

Q: What is the primary reason for substituting the KXCJ9-1108?

A: The KXCJ9-1108 has reached obsolete product status, meaning the manufacturer no longer produces or supports this component. The KXTJ3-1057 provides equivalent functionality with active manufacturing support and current compliance certifications.

Q: Are the moisture sensitivity requirements identical between these components?

A: Yes. Both the KXCJ9-1108 and KXTJ3-1057 carry MSL rating 3 (168 Hours), requiring identical handling, storage, and assembly procedures to prevent moisture-related failures.

Q: What communication interface does the KXTJ3-1057 use?

A: The KXTJ3-1057 employs I2C (Inter-Integrated Circuit) digital communication protocol, enabling direct connection to microcontroller I2C buses without additional signal conditioning.

Q: Does the KXTJ3-1057 require different supply voltage than the KXCJ9-1108?

A: The KXTJ3-1057 operates within the 1.71V to 3.6V supply voltage range, supporting standard 3.3V and 1.8V logic supply levels. Specific voltage requirements for the KXCJ9-1108 are not provided in the technical documentation.

Q: What acceleration measurement ranges are available on the KXTJ3-1057?

A: The KXTJ3-1057 provides selectable acceleration ranges of ±2g, ±4g, ±8g, and ±16g, with corresponding sensitivity values ranging from 1024 LSB/g at ±2g to 128 LSB/g at ±16g.

Q: Is the KXTJ3-1057 compliant with current environmental regulations?

A: Yes. The KXTJ3-1057 is RoHS3 compliant and REACH unaffected, meeting current environmental and hazardous substance restrictions for electronic components in regulated markets.