Overview
The BAT54ALT1H, produced by onsemi, is a Schottky Barrier Diode designed for high-speed switching applications, circuit protection, and voltage clamping. This device is available in a miniature surface mount package, making it ideal for handheld and portable applications where space is limited. The BAT54ALT1H is part of the BAT54 series, known for its low forward voltage drop, fast switching speed, and high efficiency. It is also RoHS compliant, lead-free, and halogen-free, ensuring environmental sustainability.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Maximum Reverse Voltage (VR) | 30 | V |
| Maximum Forward Continuous Current (IF) | 200 | mA |
| Maximum Forward Surge Current (IFSM) | 600 | mA |
| Maximum Forward Power Dissipation (PF) | 225 mW (derate above 25°C) | mW |
| Operating Temperature Range | -65 to 150 | °C |
| Storage Temperature Range | -55 to 150 | °C |
| Junction Temperature (TJ) | -55 to 150 | °C |
| Forward Voltage (VF) @ IF = 10 mA | 0.35 | V |
| Reverse Leakage Current (IR) @ VR = 25 V | 0.2 - 2.0 | μA |
| Total Capacitance (CT) @ VR = 1 V, f = 1 MHz | 7.6 - 10 | pF |
| Reverse Recovery Time | 5 nS | nS |
Key Features
- Extremely fast switching speed, making it suitable for high-frequency applications.
- Low forward voltage drop, typically 0.35 V at 10 mA, reducing conduction losses.
- High efficiency due to low voltage drop during conduction.
- Totally lead-free, halogen-free, and RoHS compliant.
- PN Junction Guard Ring for transient and ESD protection.
- Low capacitance of 10 pF at 1 MHz and 1 V reverse voltage.
- Fast recovery time of 5 nanoseconds from forward conduction to reverse voltage blocking.
Applications
- Voltage regulators and rectifier circuits.
- AC-DC filters and switching applications.
- Circuit protection and voltage clamping.
- Line detectors and device protection.
- Battery-powered systems where high efficiency is crucial.
- Handheld and portable devices due to its miniature surface mount package.
Q & A
- What is the BAT54ALT1H Schottky Diode used for?
The BAT54ALT1H is used in high-speed switching applications, circuit protection, and voltage clamping.
- What is the maximum reverse voltage of the BAT54ALT1H?
The maximum reverse voltage is 30 V.
- What is the typical forward voltage drop of the BAT54ALT1H?
The typical forward voltage drop is 0.35 V at 10 mA.
- Is the BAT54ALT1H RoHS compliant?
- What is the operating temperature range of the BAT54ALT1H?
The operating temperature range is -65°C to 150°C.
- What is the reverse recovery time of the BAT54ALT1H?
The reverse recovery time is 5 nanoseconds.
- What are the typical applications of the BAT54ALT1H?
Typical applications include voltage regulators, AC-DC filters, switching applications, circuit protection, and line detectors.
- How does the BAT54ALT1H protect against reverse voltage?
The diode becomes reverse biased when the polarity of the power supply is accidentally reversed, preventing any current from flowing through the circuit and thus protecting the connected devices.
- What is the maximum forward continuous current of the BAT54ALT1H?
The maximum forward continuous current is 200 mA.
- What is the total capacitance of the BAT54ALT1H at 1 MHz and 1 V reverse voltage?
The total capacitance is 7.6 - 10 pF.
