CAT1023WI30 Equivalent & Substitute Parts

Part Overview

The CAT1023WI30 is a supervisor integrated circuit designed for power management applications, specifically functioning as a Simple Reset/Power-On Reset device. This component monitors a single voltage channel and provides open drain or open collector output control with active high/active low reset capability. The CAT1023WI30 is classified as an obsolete product, necessitating identification of active equivalent alternatives to maintain design continuity and ensure long-term component availability for new production and field service applications.

Substiute Parts

CAT1023WI30

onsemiIn Stock: 816CAT1023WI30 Datasheet

Current PartRFQ

CAT1023WI-30-G

onsemiIn Stock: 911CAT1023WI-30-G Datasheet

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Key Parameters

Substitute Part Grouping Explanation

Substitution of the CAT1023WI30 is determined by strict equivalence across the following critical parameters:

Functional Parameters:

• Type: Simple Reset/Power-On Reset
• Number of Voltages Monitored: 1 channel
• Voltage Threshold: 3V
• Output Configuration: Open Drain or Open Collector
• Reset Logic: Active High/Active Low
• Reset Timeout: 130ms Minimum

Physical Parameters:

• Package / Case: 8-SOIC (0.154", 3.90mm Width)
• Mounting Type: Surface Mount

Environmental Parameters:

• Operating Temperature Range: -40°C ~ 85°C
• Moisture Sensitivity Level: 1 (Unlimited)

The substitute part CAT1023WI-30-G maintains identical electrical specifications and physical packaging, enabling direct functional replacement while offering the advantage of active product status and current compliance certifications.

Parameter Comparison

Engineering Selection Recommendations

The CAT1023WI-30-G is the direct equivalent substitute for the obsolete CAT1023WI30. Both components are manufactured by onsemi and share identical electrical and mechanical specifications across all monitored parameters. The CAT1023WI-30-G offers the following advantages for component selection:

Product Status: The CAT1023WI-30-G maintains active product status, ensuring continued availability and manufacturer support, whereas the CAT1023WI30 is classified as obsolete.

Compliance Certifications: The CAT1023WI-30-G is ROHS3 compliant and carries ECCN classification EAR99, providing current regulatory compliance for manufacturing and distribution. Both parts maintain REACH Unaffected status.

Functional Equivalence: All electrical parameters, including voltage threshold, reset timeout, output configuration, and operating temperature range, are identical between the two parts, enabling direct substitution without circuit redesign.

Physical Compatibility: Both components utilize the 8-SOIC package with identical dimensions (0.154", 3.90mm Width), ensuring PCB layout compatibility and no modifications to assembly processes.

Frequently Asked Questions (FAQ)

Q: Can the CAT1023WI-30-G be used as a direct replacement for the CAT1023WI30 in existing designs?

A: Yes. The CAT1023WI-30-G is functionally and physically equivalent to the CAT1023WI30. All electrical specifications, including voltage threshold (3V), reset timeout (130ms minimum), output configuration (open drain or open collector), and operating temperature range (-40°C ~ 85°C) are identical. The 8-SOIC package dimensions match exactly, requiring no PCB modifications.

Q: What is the primary reason for substituting the CAT1023WI30?

A: The CAT1023WI30 is classified as an obsolete product. The CAT1023WI-30-G is the active equivalent that maintains identical specifications while ensuring continued component availability and manufacturer support.

Q: Are there any compliance differences between the two parts?

A: The CAT1023WI-30-G is ROHS3 compliant with ECCN classification EAR99. Both parts maintain REACH Unaffected status. The CAT1023WI30 compliance information is not fully specified due to its obsolete status.

Q: Will the CAT1023WI-30-G require any circuit modifications when substituting for the CAT1023WI30?

A: No circuit modifications are required. The parts are electrically equivalent across all monitored parameters: single voltage channel monitoring, 3V threshold, open drain/open collector output, active high/active low reset logic, and 130ms minimum reset timeout.

Q: Are the package and mounting specifications identical?

A: Yes. Both the CAT1023WI30 and CAT1023WI-30-G use the 8-SOIC package (0.154", 3.90mm Width) with surface mount mounting type. No PCB layout changes or assembly process modifications are necessary.

Q: What is the moisture sensitivity level for the CAT1023WI-30-G?

A: The CAT1023WI-30-G has a Moisture Sensitivity Level (MSL) of 1 (Unlimited), identical to the CAT1023WI30, indicating no moisture sensitivity restrictions for storage and handling.