ZR431F

series introduction

# ZR431F Product Series Introduction

## 1. Overview
The ZR431F product series represents a cutting - edge line of electronic components engineered to meet the diverse and demanding requirements of modern electrical and electronic systems. These components are designed with a focus on high performance, reliability, and precision, making them suitable for a wide range of applications across multiple industries.

## 2. Key Features

### 2.1 High Precision
- The ZR431F series offers extremely accurate voltage regulation. With a tolerance level that can be as low as ±0.5%, it ensures that the output voltage remains stable even in the face of fluctuations in the input voltage or changes in the load. This high precision is crucial in applications where a stable power supply is essential, such as in precision measurement equipment and high - end audio systems.
- The internal reference voltage of the ZR431F is highly stable over a wide temperature range. It can maintain its accuracy within a tight margin, typically with a temperature coefficient of less than 50 ppm/°C. This allows the components to operate reliably in various environmental conditions, from industrial settings with high - temperature variations to outdoor applications exposed to different weather conditions.

### 2.2 Low Power Consumption
- These components are designed with power efficiency in mind. They consume very little quiescent current, which is typically in the range of a few microamperes. This low power consumption not only helps in reducing the overall power requirements of the system but also extends the battery life in portable devices. For example, in battery - powered sensors or handheld measurement tools, the ZR431F series can significantly improve the device's runtime between charges.

### 2.3 Fast Response Time
- The ZR431F has a rapid response to changes in the input voltage or load. It can adjust the output voltage within a very short time frame, usually in the order of microseconds. This fast response time is essential in applications where sudden changes in the electrical load occur, such as in switching power supplies or motor control circuits. It helps to prevent voltage spikes and dips, ensuring the smooth operation of the connected equipment.

### 2.4 Wide Operating Voltage Range
- The series can operate over a wide range of input voltages. It can handle input voltages from a few volts up to a relatively high value, typically up to 36V. This wide operating voltage range makes the ZR431F suitable for use in different power supply configurations, whether it is a low - voltage battery - powered system or a high - voltage industrial power supply.

### 2.5 Excellent Line and Load Regulation
- In terms of line regulation, the ZR431F can maintain a stable output voltage even when there are significant changes in the input voltage. It can compensate for variations in the power source, ensuring that the output voltage remains within the specified tolerance.
- Regarding load regulation, it can adapt to changes in the load current without significant changes in the output voltage. This is important in applications where the load may vary, such as in consumer electronics where different functions may draw different amounts of current.

## 3. Package Types
The ZR431F series is available in several different package types to meet the needs of various circuit board designs and assembly processes.
- **SOT - 23 Package**: This is a small - outline transistor package that is widely used in surface - mount technology (SMT) applications. It offers a compact size, which is ideal for space - constrained circuit boards, such as those found in mobile devices, wearables, and small - form - factor consumer electronics.
- **TO - 92 Package**: A through - hole package that provides good mechanical stability and is easy to handle during manual assembly. It is commonly used in prototyping

Images for reference

SOT23

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Datasheets

• ZR431(C,F,G)
• PDF 2

Partlist