SMAJ5930B
Zener diodes for voltage regulation, 1.5W to 3W, 16V
Manufacturer： ['mcc', 'micro-commerical-co', 'microsemi']
series introduction
# Introduction to the SMAJ5930B Product Series
## 1. Overview
The SMAJ5930B product series belongs to the family of surface - mount transient voltage suppressors (TVS). These devices are specifically engineered to safeguard sensitive electronic components from voltage spikes and transient events, which are common in various electrical and electronic systems. With the increasing complexity and sensitivity of modern electronics, the need for reliable over - voltage protection has become crucial, and the SMAJ5930B series offers an effective solution.
## 2. Key Features
### 2.1 High Surge Capability
The SMAJ5930B series is designed to handle high - energy transient events. It can absorb large amounts of surge current, protecting the downstream components from damage. For example, it can withstand peak pulse power ratings up to a certain level (specific values can be found in the detailed datasheet), which makes it suitable for applications where sudden voltage surges are likely to occur, such as in power supplies and communication interfaces.
### 2.2 Low Clamping Voltage
When a transient voltage event occurs, the SMAJ5930B quickly switches to a conducting state and limits the voltage across the protected circuit to a relatively low level. This low clamping voltage ensures that the voltage seen by the sensitive components remains within their safe operating range, preventing over - voltage damage. The precise clamping voltage characteristics are carefully engineered to provide optimal protection for different types of circuits.
### 2.3 Fast Response Time
One of the critical features of the SMAJ5930B series is its extremely fast response time. It can detect and respond to transient events in a matter of nanoseconds. This rapid response is essential in protecting components from short - duration voltage spikes, as even a brief over - voltage can cause permanent damage to sensitive semiconductor devices.
### 2.4 Surface - Mount Package
The SMAJ5930B comes in a surface - mount package, which offers several advantages. It is suitable for automated assembly processes, making it easy to integrate into printed circuit boards (PCBs). The compact size of the surface - mount package also saves valuable board space, which is especially important in modern, miniaturized electronic devices.
## 3. Electrical Specifications
### 3.1 Reverse Stand - off Voltage (VRWM)
The reverse stand - off voltage is the maximum DC or continuous AC voltage that the TVS can block in the reverse - biased condition. For the SMAJ5930B series, the VRWM is specified at a particular value (e.g., [specific VRWM value]), which indicates the normal operating voltage range in which the device remains non - conducting and does not interfere with the normal operation of the protected circuit.
### 3.2 Breakdown Voltage (VBR)
The breakdown voltage is the voltage at which the TVS starts to conduct in the reverse - biased direction. When the voltage across the device exceeds the breakdown voltage, the device begins to divert the excess current away from the protected circuit. The breakdown voltage of the SMAJ5930B series is tightly controlled to ensure reliable protection.
### 3.3 Peak Pulse Power Rating (PPP)
The peak pulse power rating represents the maximum power that the TVS can dissipate during a transient event. It is an important parameter for determining the device's ability to handle high - energy surges. The SMAJ5930B series has a specific peak pulse power rating (e.g., [specific PPP value]), which allows it to protect against a wide range of transient events.
### 3.4 Leakage Current (IR)
Leakage current is the small amount of current that flows through the TVS when it is reverse - biased and the applied voltage is below the breakdown voltage. A low leakage current is desirable as
Images for reference
DO-214AC
DO-214AC, SMA
Image Preview