Overview
The BAT42W-G3-18 is a small signal Schottky diode produced by Vishay General Semiconductor - Diodes Division. This diode is designed for general-purpose applications and is known for its very low turn-on voltage and fast switching capabilities. It is part of the BAT42W-G series, which includes devices protected by a PN junction guard ring against excessive voltage, such as electrostatic discharges. The BAT42W-G3-18 is AEC-Q101 qualified, making it suitable for automotive and other demanding environments.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Voltage - DC Reverse (Vr) (Max) | 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 | 230 | mW |
| Thermal Resistance Junction to Ambient Air | 420 | K/W |
| Maximum Junction Temperature | 125 | °C |
| Operating Temperature Range | -55 to +125 | °C |
| Forward Voltage (VF) at IF = 200 mA | 1000 | mV |
| Reverse Recovery Time (trr) | 5 | ns |
| Diode Capacitance at VR = 1 V, f = 1 MHz | 7 | pF |
| Package | SOD-123 | |
| Moisture Sensitivity Level (MSL) | 1 |
Key Features
- Very low turn-on voltage and fast switching capabilities.
- Protected by a PN junction guard ring against excessive voltage, such as electrostatic discharges.
- AEC-Q101 qualified, suitable for automotive and other demanding environments.
- Molding compound meets UL 94 V-0 flammability rating.
- Moisture Sensitivity Level (MSL) 1.
- Low forward voltage drop and high surge current capability.
- Fast reverse recovery time of 5 ns.
Applications
The BAT42W-G3-18 is suitable for a variety of general-purpose applications, including:
- Automotive systems due to its AEC-Q101 qualification.
- Switching power supplies and DC-DC converters.
- High-frequency applications requiring fast switching and low forward voltage drop.
- Protection circuits against electrostatic discharges.
- Low-voltage, high-current rectification in various electronic devices.
Q & A
- What is the maximum DC reverse voltage of the BAT42W-G3-18?
The maximum DC reverse voltage (Vr) is 30 V.
- What is the forward continuous current rating of the BAT42W-G3-18?
The forward continuous current (IF) is 300 mA.
- What is the surge forward current capability of the BAT42W-G3-18?
The surge forward current (IFSM) is 4 A.
- What is the operating temperature range of the BAT42W-G3-18?
The operating temperature range is -55°C to +125°C.
- What is the reverse recovery time of the BAT42W-G3-18?
The reverse recovery time (trr) is 5 ns.
- Is the BAT42W-G3-18 AEC-Q101 qualified?
- What is the package type of the BAT42W-G3-18?
The package type is SOD-123.
- What is the moisture sensitivity level (MSL) of the BAT42W-G3-18?
The MSL is 1.
- What is the forward voltage drop at 200 mA for the BAT42W-G3-18?
The forward voltage (VF) at IF = 200 mA is 1000 mV.
- What is the diode capacitance at 1 V and 1 MHz for the BAT42W-G3-18?
The diode capacitance (CD) at VR = 1 V, f = 1 MHz is 7 pF.
