JANTX1N4625-1

series introduction

# Introduction to the JANTX1N4625 - 1 Product Series

## 1. Overview
The JANTX1N4625 - 1 product series belongs to a specialized category of electronic components, specifically semiconductor devices. These components are engineered to meet the stringent requirements of high - reliability applications, often found in aerospace, military, and other mission - critical systems. The "JANTX" designation indicates that these parts are qualified under the Joint Army - Navy (JAN) standard, with the "X" signifying a certain level of enhanced quality and reliability.

## 2. Electrical Characteristics

### 2.1 Diode Type
The JANTX1N4625 - 1 series consists of Zener diodes. Zener diodes are unique in that they are designed to operate in the reverse - breakdown region. When the reverse voltage across a Zener diode reaches its Zener voltage (Vz), the diode starts to conduct current in the reverse direction while maintaining a relatively constant voltage across its terminals.

### 2.2 Zener Voltage (Vz)
The Zener voltage of the JANTX1N4625 - 1 is precisely defined. This voltage is a key parameter as it determines the voltage regulation point of the diode. For the JANTX1N4625 - 1, the Zener voltage is specified within a narrow tolerance range. This tight tolerance ensures consistent performance across multiple units, which is crucial in applications where precise voltage regulation is required.

### 2.3 Power Dissipation
These diodes are designed to handle a specific amount of power. The power dissipation rating (Pd) indicates the maximum amount of power that the diode can safely dissipate without overheating. The JANTX1N4625 - 1 has a well - defined power dissipation capacity, which is carefully considered during the design of the component to ensure reliable operation under various load conditions.

### 2.4 Reverse Leakage Current (Ir)
Before reaching the Zener breakdown voltage, a small amount of current, known as the reverse leakage current, flows through the diode in the reverse direction. The JANTX1N4625 - 1 has a low reverse leakage current specification. A low leakage current is desirable as it minimizes power losses in the circuit and helps maintain the stability of the overall system.

## 3. Physical Characteristics

### 3.1 Package Type
The JANTX1N4625 - 1 is typically available in a standard package that is suitable for both through - hole and surface - mount applications. The package provides mechanical protection to the delicate semiconductor die inside and also facilitates easy integration onto printed circuit boards (PCBs). The package design is optimized for heat dissipation, ensuring that the diode can operate within its specified temperature range.

### 3.2 Dimensions
The dimensions of the JANTX1N4625 - 1 package are precisely defined. This allows for accurate placement on PCBs and compatibility with automated assembly processes. The compact size of the package makes it suitable for use in space - constrained applications, while still providing sufficient electrical and thermal performance.

### 3.3 Temperature Range
These diodes are designed to operate over a wide temperature range. They can withstand extreme temperatures, from very low cryogenic temperatures to high - temperature environments. This wide temperature tolerance makes the JANTX1N4625 - 1 suitable for use in a variety of harsh operating conditions, such as those encountered in aerospace and military applications.

## 4. Quality and Reliability

### 4.1 JAN Qualification
As mentioned earlier, the JANTX1N4625 - 1 is qualified under the JAN standard. This qualification process involves rigorous testing and inspection procedures to ensure that the components

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