Overview
The 1N4148W-HG3-18 is a general-purpose, small signal fast switching diode produced by Vishay General Semiconductor - Diodes Division. This diode is designed for power and switching applications, offering a balance of high switching speed and low forward voltage. It is part of the 1N4148W series, which is widely used in various electronic circuits for rectification, polarity protection, and signal switching.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Peak Reverse Voltage | 100 | V |
| Max Surge Current | 500 | mA |
| Forward Current (If) | 150 | mA |
| Forward Voltage (Vf) | 1.2 | V |
| Reverse Current (Ir) | 100 | μA |
| Recovery Time | 4 | ns |
| Maximum Operating Temperature | 150 | °C |
| Minimum Operating Temperature | -55 | °C |
| Power Dissipation (Pd) | 200 | mW |
| Diode Capacitance | 4 | pF |
| Package / Case | SOD-323 | |
| Qualification | AEC-Q101 |
Key Features
- Fast Switching Time: The 1N4148W-HG3-18 features a fast recovery time of 4 ns, making it suitable for rapid switching applications.
- Low Forward Voltage: With a forward voltage of 1.2 V, this diode minimizes power loss in switching circuits.
- High Surge Current Capability: It can handle surge currents up to 500 mA, enhancing its reliability in high-current applications.
- Wide Operating Temperature Range: The diode operates from -55°C to +150°C, making it versatile for various environmental conditions.
- Compact Package: The SOD-323 package is compact and suitable for surface-mount technology (SMT), saving space in modern electronic designs.
- AEC-Q101 Qualified: This qualification ensures the diode meets stringent automotive standards, making it reliable for use in automotive and other demanding applications.
Applications
- Rectification and Polarity Protection: Ideal for general-purpose rectification and polarity protection in electronic circuits.
- Signal Switching: Suitable for signal switching applications due to its fast switching time and low forward voltage.
- Automotive Systems: AEC-Q101 qualification makes it suitable for use in automotive systems, including power conversion, dashboard displays, and electronic control units (ECUs).
- Consumer Electronics: Used in various consumer electronics for power and signal management.
- Industrial and Telecommunications Equipment: Applicable in industrial and telecommunications equipment where high reliability and fast switching are required.
Q & A
- What is the peak reverse voltage of the 1N4148W-HG3-18 diode?
The peak reverse voltage is 100 V.
- What is the maximum forward current of the 1N4148W-HG3-18 diode?
The maximum forward current is 150 mA.
- What is the recovery time of the 1N4148W-HG3-18 diode?
The recovery time is 4 ns.
- What is the operating temperature range of the 1N4148W-HG3-18 diode?
The operating temperature range is from -55°C to +150°C.
- What package type is used for the 1N4148W-HG3-18 diode?
The package type is SOD-323.
- Is the 1N4148W-HG3-18 diode AEC-Q101 qualified?
- What is the maximum power dissipation of the 1N4148W-HG3-18 diode?
The maximum power dissipation is 200 mW.
- What is the typical forward voltage of the 1N4148W-HG3-18 diode?
The typical forward voltage is 1.2 V.
- What are some common applications of the 1N4148W-HG3-18 diode?
Common applications include rectification, polarity protection, signal switching, and use in automotive and consumer electronics.
- Is the 1N4148W-HG3-18 diode RoHS compliant?
