Overview
The 1N4148WS-HG3-18 is a small signal fast switching diode produced by Vishay General Semiconductor - Diodes Division. This diode is part of the 1N4148 series and is known for its high performance and versatility in various applications. It features a silicon epitaxial planar construction and is packaged in the SOD-323 case style, making it suitable for surface-mount technology (SMT) assembly. The diode is designed to meet the demands of modern electronic systems, particularly in automotive, industrial, and consumer electronics.
Key Specifications
| Parameter | Symbol | Value | Unit |
|---|---|---|---|
| Reverse Voltage | VR | 75 | V |
| Repetitive Peak Reverse Voltage | VRRM | 100 | V |
| Average Rectified Current (half wave rectification with resistive load) | IF(AV) | 150 | mA |
| Surge Forward Current (t < 1 s and Tj = 25 °C) | IFSM | 350 | mA |
| Power Dissipation | Ptot | 200 | mW |
| Thermal Resistance Junction to Ambient Air | RthJA | 650 | K/W |
| Junction Temperature | Tj | 150 | °C |
| Storage Temperature Range | Tstg | -65 to +150 | °C |
| Operating Temperature Range | Top | -55 to +150 | °C |
| Reverse Recovery Time | trr | 4 | ns |
| Forward Voltage | VF | 1.2 | V |
| Package | SOD-323 | ||
| Mounting Style | SMD/SMT |
Key Features
- Fast Switching Time: The 1N4148WS-HG3-18 features a fast reverse recovery time of 4 ns, making it suitable for high-speed switching applications.
- High Surge Current Capability: It can handle surge forward currents up to 350 mA, ensuring robust performance under transient conditions.
- Low Forward Voltage: With a maximum forward voltage of 1.2 V, this diode minimizes power losses in rectification and switching circuits.
- Wide Operating Temperature Range: The diode operates over a temperature range of -55 °C to +150 °C, making it versatile for various environmental conditions.
- Compact SOD-323 Package: The surface-mount SOD-323 package is ideal for space-saving designs and SMT assembly.
- AEC-Q101 Qualified: This diode meets the AEC-Q101 standard, ensuring reliability and performance in automotive applications.
Applications
- Automotive Systems: Suitable for use in automotive electronics, including power conversion for LED headlights, dashboard displays, and electronic control units (ECUs).
- Industrial Electronics: Used in industrial control systems, power supplies, and signal processing circuits.
- Consumer Electronics: Found in various consumer electronic devices such as audio equipment, televisions, and other household appliances.
- Telecommunications: Employed in telecommunications equipment for signal switching and rectification.
- Computing and Networking: Used in computing and networking devices for power management and signal processing.
Q & A
- What is the maximum reverse voltage of the 1N4148WS-HG3-18 diode?
The maximum reverse voltage is 75 V, and the repetitive peak reverse voltage is 100 V.
- What is the average rectified current rating of this diode?
The average rectified current rating is 150 mA for half wave rectification with a resistive load.
- What is the surge forward current capability of the 1N4148WS-HG3-18?
The diode can handle a surge forward current of up to 350 mA for t < 1 s and Tj = 25 °C.
- What is the power dissipation rating of this diode?
The power dissipation rating is 200 mW.
- What is the junction temperature range of the 1N4148WS-HG3-18?
The junction temperature range is from -55 °C to +150 °C.
- What is the reverse recovery time of this diode?
The reverse recovery time is 4 ns.
- What is the forward voltage drop of the 1N4148WS-HG3-18?
The maximum forward voltage drop is 1.2 V.
- Is the 1N4148WS-HG3-18 diode RoHS compliant?
Yes, the diode is RoHS compliant.
- What is the package type of the 1N4148WS-HG3-18?
The diode is packaged in the SOD-323 case style.
- Is the 1N4148WS-HG3-18 qualified for automotive applications?
Yes, it is AEC-Q101 qualified, making it suitable for automotive applications.
- What are some common applications of the 1N4148WS-HG3-18 diode?
Common applications include automotive systems, industrial electronics, consumer electronics, telecommunications, and computing devices.[
