ESD-R-47D
Ferrite toroidal cores for EMI suppression in consumer electronics
Manufacturer： ['kemet', 'nec']
series introduction
# ESD - R - 47D Product Series Introduction
## 1. Overview
The ESD - R - 47D product series is a cutting - edge line of electrostatic discharge (ESD) protection devices engineered to meet the rigorous demands of modern electronic systems. In today's high - tech world, where electronic components are becoming increasingly sensitive to electrostatic events, the ESD - R - 47D series serves as a reliable safeguard, ensuring the longevity and proper functioning of electronic equipment.
## 2. Key Features
### 2.1 High - Performance ESD Protection
- **Low Clamping Voltage**: The ESD - R - 47D devices are designed to quickly clamp the voltage during an ESD event. This low clamping voltage feature effectively limits the amount of energy that reaches the protected circuit, preventing damage to sensitive components such as integrated circuits (ICs), microcontrollers, and sensors.
- **High ESD Immunity**: These products can withstand multiple ESD strikes of high magnitude. They are tested to meet international ESD standards, including IEC 61000 - 4 - 2, which specifies the requirements for electrostatic discharge immunity testing. This high immunity ensures that the protected equipment remains operational even in environments with high levels of electrostatic activity.
### 2.2 Fast Response Time
- The ESD - R - 47D series has an extremely fast response time, typically in the nanosecond range. This rapid response allows the device to start diverting the ESD current away from the protected circuit almost instantaneously, minimizing the risk of damage due to the sudden surge of electrostatic energy.
### 2.3 Low Capacitance
- With low capacitance values, the ESD - R - 47D devices have minimal impact on the high - speed signals in the protected circuit. This is crucial for applications such as high - speed data interfaces (e.g., USB 3.0, HDMI, Ethernet), where even a small amount of additional capacitance can cause signal degradation, leading to data errors or reduced performance.
### 2.4 Compact Design
- The components in the ESD - R - 47D series are available in compact packages, making them suitable for use in space - constrained applications. Whether it's a small handheld device like a smartphone or a densely populated printed circuit board (PCB) in a server, these devices can be easily integrated without taking up excessive space.
## 3. Applications
### 3.1 Consumer Electronics
- **Smartphones and Tablets**: In these devices, the ESD - R - 47D series protects sensitive touchscreens, display interfaces, and data ports from ESD events. This helps to prevent screen malfunctions, data transfer errors, and other issues that could affect the user experience.
- **Wearable Devices**: With the increasing popularity of smartwatches and fitness trackers, which are often in close contact with the human body (a major source of ESD), the ESD - R - 47D devices provide essential protection for the internal electronics, ensuring reliable operation.
### 3.2 Industrial Electronics
- **Automation Systems**: In industrial automation, where electronic control systems are used to manage complex manufacturing processes, the ESD - R - 47D series safeguards the control boards, sensors, and communication interfaces from ESD damage. This helps to prevent costly downtime and production losses.
- **Industrial Sensors**: These sensors are often exposed to harsh industrial environments where ESD can occur due to friction, static build - up, or electrical discharges. The ESD - R - 47D devices protect the sensor electronics, ensuring accurate and reliable sensor readings.
### 3.3 Telecommunications
- **Network Equipment**: In routers, switches, and other network devices, the ESD - R -
Images for reference
ESD-R-47D-1
ESD-R-47D-B
Image Preview