Overview
The BAT43W-G3-18 is a small signal Schottky diode produced by Vishay General Semiconductor - Diodes Division. This component is designed for high-performance applications requiring low forward voltage drop and fast switching times. It is packaged in the SOD-123 case, making it suitable for surface mount technology (SMT) assembly. The diode is RoHS compliant and features a green, commercial-grade marking.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Voltage - DC Reverse (Vr) (Max) | 30 | V |
| Current - Average Rectified (Io) | 200 | mA |
| Voltage - Forward (Vf) (Max) @ If | 450 mV @ 15 mA | mV |
| Reverse Recovery Time (trr) | 5 ns | ns |
| Current - Reverse Leakage @ Vr | 500 nA @ 25 V | nA |
| Capacitance @ Vr, F | 7 pF @ 1 V, 1 MHz | pF |
| Operating Temperature - Junction | 125°C (Max) | °C |
| Package / Case | SOD-123 | |
| Mounting Type | Surface Mount | |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) |
Key Features
- Low forward voltage drop: 450 mV at 15 mA, ensuring minimal power loss.
- Fast switching times: Reverse recovery time of 5 ns, making it suitable for high-frequency applications.
- High surge current capability: Up to 4 A for short durations.
- Low reverse leakage current: 500 nA at 25 V, reducing standby power consumption.
- Small signal capability: Designed for applications requiring currents up to 200 mA.
- RoHS compliant and lead-free, meeting environmental standards.
- UL 94 V-0 flammability rating for the molding compound, ensuring safety.
Applications
The BAT43W-G3-18 Schottky diode is versatile and can be used in a variety of applications, including:
- Switching power supplies and DC-DC converters.
- High-frequency circuits and RF applications.
- Voltage clamping and protection circuits.
- Low-voltage, high-current rectification.
- Automotive and industrial control systems where AEC-Q101 qualification is required (available upon request).
Q & A
- What is the maximum DC reverse voltage of the BAT43W-G3-18?
The maximum DC reverse voltage is 30 V. - What is the average rectified current (Io) of the BAT43W-G3-18?
The average rectified current (Io) is 200 mA. - What is the forward voltage drop at 15 mA for the BAT43W-G3-18?
The forward voltage drop at 15 mA is 450 mV. - What is the reverse recovery time of the BAT43W-G3-18?
The reverse recovery time is 5 ns. - Is the BAT43W-G3-18 RoHS compliant?
Yes, the BAT43W-G3-18 is RoHS compliant and lead-free. - What is the operating junction temperature range of the BAT43W-G3-18?
The operating junction temperature range is -55°C to 125°C. - What is the package type of the BAT43W-G3-18?
The package type is SOD-123. - What is the moisture sensitivity level (MSL) of the BAT43W-G3-18?
The moisture sensitivity level (MSL) is 1 (Unlimited). - What is the maximum surge forward current of the BAT43W-G3-18?
The maximum surge forward current is 4 A for short durations. - Is the BAT43W-G3-18 suitable for automotive applications?
Yes, it is suitable for automotive applications, and AEC-Q101 qualified parts are available upon request.
