Question 1

What are the key features of ON Semiconductor CAT1021WI-45-GT3?

EZKEY · Accepted Answer

This product belongs to the Supervisory Circuits category and ships in standard packaging. It features high reliability, stable performance and low power consumption. Key parameters include wide operating range, low loss, and over-temperature protection, suitable for industrial applications. Manufactured by ON Semiconductor with full traceability.

Question 2

What are the main application scenarios for CAT1021WI-45-GT3?

EZKEY · Accepted Answer

Typical applications include power management, industrial control. Additionally, it is widely used in automotive electronics, telecom infrastructure, medical devices, and consumer electronics as a critical circuit component, improving system integration and energy efficiency.

Question 3

How does CAT1021WI-45-GT3 work?

EZKEY · Accepted Answer

This device follows established Supervisory Circuits design principles. Core functional stages include input handling, signal and power processing, and protection logic, ensuring stable operation under varying conditions. Refer to the datasheet for the detailed characteristics and application guidance.

Question 4

What is the technical performance of CAT1021WI-45-GT3?

EZKEY · Accepted Answer

Performance highlights: stable characteristics across the operating temperature range, low loss, and long service life. Reliable contact and shock resistance, with protection against over-current and over-voltage where applicable. Meets industrial and automotive reliability standards where the series qualifies.

Question 5

What is the current market demand for CAT1021WI-45-GT3?

EZKEY · Accepted Answer

The global Supervisory Circuits market is growing at ~6-8% CAGR, with particularly strong demand in power management. ON Semiconductor CAT1021WI-45-GT3 is a mainstream model with stable stock and a typical lead time of 2-4 weeks. Driven by new energy and smart electronics trends, inquiries for this model are steadily increasing, indicating a positive long-term outlook.

Question 6

What are the technical characteristics of CAT1021WI-45-GT3?

EZKEY · Accepted Answer

Three main technical features: 1) High reliability – stable performance over the rated life; 2) Low-loss design – reduced energy loss in operation; 3) Wide adaptability – compatible with various operating conditions. Additionally, ON Semiconductor provides full technical support and reference designs.

Data Tier	Family Level
Features	General Purpose
Function	Reset / voltage supervisor / LDO
Lead Free	Yes
Mounting Type	Surface Mount
Operating Temperature	-40 to +85°C
Package	SOIC / SOT / TSSOP
Packaging	Tape & Reel
Product Type	Integrated Circuit
ResetThreshold	Programmable
ResetTimeout	200 ms typical
RoHS	Compliant
RoHS Status	RoHS Compliant
Series	ON Semi CAT/CAS supervisor / reset IC
SupplyVoltage	5 V / 3.3 V
Watchdog	Optional

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CAT1021WI-45-GT3 | ON Semiconductor IC SUPERVISR CPU 2K EEPROM 8SOIC

Product Details

PDF Datasheet

Technical Docs

Technical Parameters

CAT1021WI-45-GT3 Application and Selection Guide

CAT1021WI-45-GT3 Model and Manufacturer Information

CAT1021WI-45-GT3 Product Parameters and Description

CAT1021WI-45-GT3 Application and Selection Reference

Recommended Part Numbers for CAT1021WI-45-GT3