CAT1163WI-28-T3 Equivalent & Substitute Parts

Part Overview

The CAT1163WI-28-T3 is a single-channel power management supervisor IC manufactured by onsemi, designed for reset and power-on reset applications. This component features an open drain or open collector output with a 2.85V threshold and 130ms minimum reset timeout. The part is currently classified as obsolete, making equivalent substitute parts necessary for ongoing design support and procurement continuity.

Substiute Parts

CAT1163WI-28-T3

onsemiIn Stock: 1104CAT1163WI-28-T3 Datasheet

Current PartRFQ

N84C163WD28TG

onsemiIn Stock: 781N84C163WD28TG Datasheet

DirectRFQ

CAT1023WI-28-GT3

onsemiIn Stock: 25246CAT1023WI-28-GT3 Datasheet

Parametric EquivalentRFQ

N84C161WD28TG

onsemiIn Stock: 822N84C161WD28TG Datasheet

Parametric EquivalentRFQ

N84C162WD28TG

onsemiIn Stock: 868N84C162WD28TG Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the CAT1163WI-28-T3 is determined by strict parameter matching across the following criteria:

• Functional Type: Simple Reset/Power-On Reset supervisor
• Voltage Threshold: 2.85V
• Output Configuration: Open Drain or Open Collector
• Reset Polarity: Active High/Active Low
• Reset Timeout: 130ms Minimum
• Operating Temperature Range: -40°C ~ 85°C (TA)
• Package: 8-SOIC (0.154", 3.90mm Width)
• Mounting Type: Surface Mount

All substitute parts listed maintain identical electrical and mechanical specifications across these parameters. Differences in product status, packaging format (Tape & Reel vs. Cut Tape), and compliance certifications do not affect functional interchangeability.

Parameter Comparison

Engineering Selection Recommendations

Primary Recommendation: N84C163WD28TG or N84C162WD28TG

Both parts carry Active product status and ROHS3 compliance certification, ensuring long-term availability and regulatory alignment. N84C163WD28TG provides direct functional equivalence with the original CAT1163WI-28-T3 designation. N84C162WD28TG offers identical electrical performance with confirmed active manufacturing status.

Secondary Option: CAT1023WI-28-GT3

This part maintains full electrical and mechanical compatibility but carries Obsolete product status. Selection should be limited to applications where existing inventory is available and long-term procurement is not required.

Avoid for New Designs: N84C161WD28TG

This part is designated Last Time Buy, indicating limited remaining availability. Use only when existing stock is confirmed and alternative active-status parts are unavailable.

Frequently Asked Questions (FAQ)

Q: Can N84C163WD28TG directly replace CAT1163WI-28-T3 in existing designs?

A: Yes. Both parts share identical electrical specifications (2.85V threshold, 130ms reset timeout, open drain/collector output) and mechanical packaging (8-SOIC). The primary difference is packaging format (Tape & Reel vs. Cut Tape) and product status (Active vs. Obsolete).

Q: What is the difference between Tape & Reel and Cut Tape packaging?

A: Tape & Reel (TR) packaging is supplied on continuous carrier tape suitable for automated pick-and-place assembly. Cut Tape (CT) packaging consists of individual components cut from the tape. Both formats contain identical components; the difference is in supply format and handling method.

Q: Are all substitute parts ROHS3 compliant?

A: N84C163WD28TG, CAT1023WI-28-GT3, N84C161WD28TG, and N84C162WD28TG are all ROHS3 compliant. The original CAT1163WI-28-T3 RoHS status is not specified in available documentation.

Q: Which substitute part has the best long-term availability?

A: N84C163WD28TG and N84C162WD28TG both carry Active product status, indicating ongoing manufacturing and availability. These are preferred for new designs and long-term procurement planning.

Q: Can I use multiple substitute parts interchangeably within the same production run?

A: Yes. All listed substitute parts maintain identical electrical and mechanical specifications. Interchangeability is supported from a functional standpoint. Verify packaging format requirements with your assembly process before procurement.