Overview
The BAT43W is a surface mount, switching Schottky barrier diode produced by SMC Diode Solutions. This diode is designed for high-performance applications requiring low forward voltage drop and fast switching times. It is packaged in the SOD-123 format, making it ideal for automated insertion in various electronic circuits. The BAT43W is fully RoHS compliant, lead-free, and halogen and antimony free, aligning with environmental and safety standards.
Key Specifications
| Parameter | Symbol | Value | Unit |
|---|---|---|---|
| Peak Repetitive Reverse Voltage | VRRM | 30 | V |
| Forward Continuous Current | IF | 300 | mA |
| Repetitive Peak Forward Current | IFRM | 500 | mA |
| Surge Forward Current | IFSM | 4 | A |
| Power Dissipation (on FR-4 board) | Ptot | 230 | mW |
| Operating Temperature Range | Tj | -55 to +125 | °C |
| Forward Voltage (IF = 200 mA) | VF | 450 | mV |
| Reverse Leakage Current (VR = 25 V) | IR | 0.5 | μA |
| Diode Capacitance (VR = 1 V, f = 1 MHz) | CD | 7 | pF |
| Reverse Recovery Time | trr | 5 | ns |
Key Features
- Low forward voltage drop, ensuring minimal power loss in applications.
- Fast switching time, making it suitable for high-frequency operations.
- Surface mount package (SOD-123) ideal for automated insertion.
- Totally lead-free and fully RoHS compliant, halogen and antimony free.
- Protected by a PN junction guard ring against reverse voltage.
- UL 94 V-0 flammability rating and moisture sensitivity level 1 per J-STD-020.
Applications
The BAT43W is versatile and can be used in a variety of applications, including:
- High-frequency switching circuits.
- Automotive electronics, especially those requiring AEC-Q100/101/104/200 qualifications.
- General-purpose rectification in power supplies and DC-DC converters.
- Protection circuits against voltage spikes and surges.
- Low-voltage, high-current applications where fast recovery times are crucial.
Q & A
- What is the peak repetitive reverse voltage of the BAT43W?
The peak repetitive reverse voltage (VRRM) of the BAT43W is 30 V.
- What is the forward continuous current rating of the BAT43W?
The forward continuous current (IF) rating of the BAT43W is 300 mA.
- What is the typical forward voltage drop at 200 mA for the BAT43W?
The typical forward voltage drop (VF) at 200 mA for the BAT43W is 450 mV.
- Is the BAT43W RoHS compliant?
- What is the operating temperature range of the BAT43W?
The operating temperature range of the BAT43W is -55°C to +125°C.
- What is the reverse recovery time of the BAT43W?
The reverse recovery time (trr) of the BAT43W is 5 ns.
- What package type is the BAT43W available in?
The BAT43W is available in the SOD-123 surface mount package.
- Is the BAT43W suitable for automotive applications?
- What is the surge forward current rating of the BAT43W?
The surge forward current (IFSM) rating of the BAT43W is 4 A.
- What is the power dissipation rating of the BAT43W on an FR-4 board?
The power dissipation (Ptot) rating of the BAT43W on an FR-4 board is 230 mW.
