Overview
The BAT54A-QR is a Planar Schottky barrier diode produced by Nexperia USA Inc. This component is encapsulated in a small SOT23 (TO-236AB) Surface-Mounted Device (SMD) package. It features an integrated guard ring for stress protection, making it suitable for a wide range of applications where low forward voltage drop and fast switching are critical.
The BAT54A-QR is part of Nexperia’s extensive portfolio of diodes, which are used in various industries including automotive, industrial, power, computing, consumer, mobile, and wearables. With a commitment to innovation and sustainability, this diode helps developers create energy-efficient and cutting-edge solutions.
Key Specifications
| Parameter | Value |
|---|---|
| Diode Configuration | Single |
| Repetitive Reverse Voltage Vrrm Max | 30V |
| Forward Current If(AV) | 200mA |
| Forward Voltage VF Max | 400mV @ IF=10mA |
| Forward Surge Current Ifsm Max | 600mA |
| Operating Temperature Max | 125°C |
| Operating Temperature Min | -65°C |
| Operating Temperature Range | -65°C to 150°C |
| Diode Case Style | SOT23 (TO-236AB) |
| No. of Pins | 3 Pins |
| Package | SOT23 |
| RoHS Compliance | Yes |
| Junction Temperature Tj Max | 125°C |
| Maximum Power Dissipation | 200mW |
Key Features
- Low forward voltage drop (max 400mV @ IF=10mA)
- Very small conduction losses
- Extremely fast switching speed
- High efficiency
- Totally lead-free and RoHS compliant
- Integrated guard ring for stress protection
- Fast recovery time (5nS) suitable for high-frequency applications
Applications
- Voltage regulators
- AC-DC filters
- Switching applications
- Protection circuits
- Line detectors
- Device protection (e.g., protecting microcontrollers from reverse voltage)
Q & A
- What is the BAT54A-QR diode used for?
The BAT54A-QR is used in low voltage rectifier and protection circuits, and in applications where power efficiency and fast switching are important.
- What is the maximum forward current of the BAT54A-QR?
The maximum forward current (If(AV)) of the BAT54A-QR is 200mA.
- What is the maximum reverse voltage of the BAT54A-QR?
The maximum repetitive reverse voltage (Vrrm) of the BAT54A-QR is 30V.
- What is the operating temperature range of the BAT54A-QR?
The operating temperature range of the BAT54A-QR is -65°C to 150°C.
- Is the BAT54A-QR RoHS compliant?
Yes, the BAT54A-QR is totally lead-free and RoHS compliant.
- What is the package type of the BAT54A-QR?
The BAT54A-QR is encapsulated in a SOT23 (TO-236AB) Surface-Mounted Device (SMD) package.
- What are the key features of the BAT54A-QR?
The key features include low forward voltage drop, very small conduction losses, extremely fast switching speed, high efficiency, and an integrated guard ring for stress protection.
- How fast is the switching speed of the BAT54A-QR?
The BAT54A-QR has an extremely fast switching speed with a recovery time of 5nS, making it suitable for high-frequency applications.
- What are some common applications of the BAT54A-QR?
Common applications include voltage regulators, AC-DC filters, switching applications, protection circuits, line detectors, and device protection.
- How does the BAT54A-QR protect devices from reverse voltage?
The BAT54A-QR protects devices by getting reverse biased and blocking current flow when the supply polarity is connected wrongly, thus saving the device from damage.
