Overview
The BAS40LT3G is a small signal Schottky diode produced by onsemi. This diode is designed for high-performance applications requiring low forward voltage drop and fast switching times. It is packaged in a SOT-23-3 format, making it suitable for a variety of electronic circuits where space is limited.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Voltage - DC Reverse (Vr) (Max) | 40 | V |
| Current - Average Rectified (Io) | 120 | mA |
| Voltage - Forward (Vf) (Max) @ If | 1 V @ 40 mA | V |
| Forward Surge Current (Ifsm) | 600 | mA |
| Reverse Current (Ir) | 1 | μA |
| Minimum Operating Temperature | -55 | °C |
| Maximum Operating Temperature | 150 | °C |
| Thermal Resistance Junction to Ambient Air | 420 | K/W |
| Maximum Junction Temperature | 150 | °C |
Key Features
- Low forward voltage drop, typically 400 mV at 1 mA and 1 V at 40 mA.
- Fast switching times, making it suitable for high-frequency applications.
- Small signal diode with a current rating of up to 120 mA.
- SOT-23-3 package, which is compact and suitable for surface mount technology (SMT).
- High thermal performance with a thermal resistance junction to ambient air of 420 K/W.
- AEC-Q101 qualified, indicating suitability for automotive applications.
- Protected by a PN junction guard against electrostatic discharges.
- Visible and sidewall plated/wettable flanks for easy soldering inspection.
Applications
The BAS40LT3G Schottky diode is versatile and can be used in a variety of applications, including:
- Automotive systems: Given its AEC-Q101 qualification, it is suitable for use in automotive electronics.
- High-frequency circuits: Its fast switching times and low forward voltage drop make it ideal for high-frequency applications such as RF circuits and switching power supplies.
- Power management: It can be used in voltage regulation, rectification, and other power management circuits due to its low voltage drop and high current handling.
- Consumer electronics: Its compact SOT-23-3 package makes it suitable for use in consumer electronics where space is limited.
Q & A
- What is the maximum reverse voltage rating of the BAS40LT3G?
The maximum reverse voltage rating is 40 V. - What is the typical forward voltage drop at 40 mA?
The typical forward voltage drop at 40 mA is 1 V. - What is the maximum operating temperature of the BAS40LT3G?
The maximum operating temperature is 150 °C. - Is the BAS40LT3G AEC-Q101 qualified?
No, the BAS40LT3G is not AEC-Q101 qualified; however, the BAS40L from Vishay, which has similar specifications, is AEC-Q101 qualified. - What is the package type of the BAS40LT3G?
The package type is SOT-23-3. - What is the thermal resistance junction to ambient air for the BAS40LT3G?
The thermal resistance junction to ambient air is 420 K/W. - What is the maximum junction temperature of the BAS40LT3G?
The maximum junction temperature is 150 °C. - What is the forward surge current rating of the BAS40LT3G?
The forward surge current rating is 600 mA. - Is the BAS40LT3G protected against electrostatic discharges?
Yes, it is protected by a PN junction guard against electrostatic discharges. - What are the typical applications of the BAS40LT3G?
Typical applications include automotive systems, high-frequency circuits, power management, and consumer electronics.
