Overview
The 1N4148WS-E3-18 is a small signal fast switching diode produced by Vishay General Semiconductor - Diodes Division. This diode is part of the 1N4148 series and is widely used in various electronic applications due to its excellent switching characteristics and reliability. The 1N4148WS-E3-18 is packaged in the SOD-323 case style, making it suitable for surface mount applications. It is designed to handle high-frequency switching and is often used in rectification, polarity protection, and signal switching scenarios.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Diode Configuration | Single | |
| Repetitive Reverse Voltage (Vrrm) Max | 100 | V |
| Average Rectified Current (If(AV)) | 150 | mA |
| Forward Voltage (Vf) Max | 1.2 | V |
| Reverse Recovery Time (trr) Max | 4 | ns |
| Forward Surge Current (Ifsm) Max | 350 | mA |
| Operating Temperature Range | -55 to +150 | °C |
| Storage Temperature Range | -65 to +150 | °C |
| Diode Case Style | SOD-323 | |
| No. of Pins | 2 | |
| Package | Tape and Reel | |
| Reverse Leakage Current (Ir) at 100 V | 100 | µA |
| Diode Capacitance (Cd) at 0 V, 1 MHz | 4 | pF |
Key Features
- Fast Switching Capability: The 1N4148WS-E3-18 has a very short reverse recovery time of 4 ns, making it ideal for high-frequency applications.
- Low Forward Voltage: With a maximum forward voltage of 1.2 V at 100 mA, this diode minimizes power loss in switching applications.
- High Reliability: The diode is designed to operate reliably over a wide temperature range from -55°C to +150°C.
- Compact Packaging: The SOD-323 package is suitable for surface mount technology, saving space on the PCB.
- Low Leakage Current: The diode has a low reverse leakage current of 100 µA at 100 V, reducing standby power consumption.
Applications
- Rectification and Polarity Protection: The 1N4148WS-E3-18 is commonly used in rectifier circuits and for protecting against reverse polarity.
- Signal Switching: Its fast switching characteristics make it suitable for signal switching applications in various electronic circuits.
- Automotive and Industrial Systems: The diode is used in automotive and industrial systems where high reliability and fast switching are required.
- Consumer Electronics: It is also used in consumer electronics such as audio equipment, power supplies, and other general-purpose applications.
Q & A
- What is the maximum repetitive reverse voltage of the 1N4148WS-E3-18 diode?
The maximum repetitive reverse voltage (Vrrm) is 100 V.
- What is the average rectified current rating of this diode?
The average rectified current (If(AV)) is 150 mA.
- What is the maximum forward voltage drop of the 1N4148WS-E3-18 at 100 mA?
The maximum forward voltage (Vf) at 100 mA is 1.2 V.
- What is the reverse recovery time of this diode?
The reverse recovery time (trr) is 4 ns.
- What is the operating temperature range of the 1N4148WS-E3-18?
The operating temperature range is from -55°C to +150°C.
- What type of packaging does the 1N4148WS-E3-18 come in?
The diode is packaged in the SOD-323 case style and is available in tape and reel packaging.
- What is the maximum surge forward current rating of this diode?
The maximum surge forward current (Ifsm) is 350 mA.
- What is the typical diode capacitance at 0 V and 1 MHz?
The typical diode capacitance (Cd) at 0 V and 1 MHz is 4 pF.
- Is the 1N4148WS-E3-18 RoHS compliant?
Yes, the 1N4148WS-E3-18 is RoHS compliant.
- What are some common applications of the 1N4148WS-E3-18 diode?
Common applications include rectification, polarity protection, signal switching, and use in automotive and industrial systems.
