Overview
The 1N4148WS-E3-08 is a small signal fast switching diode manufactured by Vishay General Semiconductor - Diodes Division. This diode is encapsulated in a compact SOD-323 package and is designed for high-speed switching applications. It is built on silicon epitaxial planar technology, ensuring reliable performance and consistency in its operation. The 1N4148WS-E3-08 is widely used in various electronic circuits for its rectifying properties, particularly in signal processing, voltage clamping, and protection circuits.
Key Specifications
| Parameter | Test Condition | Symbol | Value | Unit |
|---|---|---|---|---|
| Reverse Voltage | Tamb = 25 °C | VR | 75 | V |
| Repetitive Peak Reverse Voltage | Tamb = 25 °C | VRRM | 100 | V |
| Average Rectified Current (half wave rectification with resistive load) | f ≥ 50 Hz | IF(AV) | 150 | mA |
| Surge Forward Current (t < 1 s and Tj = 25 °C) | IFSM | 350 | mA | |
| Power Dissipation | Ptot | 200 | mW | |
| Forward Voltage (IF = 10 mA) | VF | 1 | V | |
| Forward Voltage (IF = 100 mA) | VF | 1.2 | V | |
| Leakage Current (VR = 75 V) | IR | 5 μA | ||
| Reverse Recovery Time (IF = 10 mA, iR = 1 mA, VR = 6 V, RL = 100 Ω) | trr | 4 ns | ||
| Diode Capacitance (VF = VR = 0 V) | CD | 4 pF | ||
| Operating Temperature Range | Top | -55 to +150 °C | ||
| Storage Temperature Range | Tstg | -65 to +150 °C | ||
| Thermal Resistance Junction to Ambient Air | RthJA | 650 K/W | ||
| Junction Temperature | Tj | 150 °C | ||
| Package Type | SOD-323 |
Key Features
- Fast Switching Capability: The diode features a reverse recovery time of just 4 ns, making it ideal for high-speed switching applications.
- Low Forward Voltage Drop: The forward voltage drop is 1 V at 10 mA and 1.2 V at 100 mA, contributing to reduced power loss.
- High Reverse Voltage Handling: Capable of handling a reverse voltage of up to 75 V and a repetitive peak reverse voltage of 100 V.
- Compact Packaging: Encapsulated in a SOD-323 package, offering a balance between compactness and performance.
- Wide Operating Temperature Range: Operates reliably across a temperature range of -55 to +150 °C.
- Low Diode Capacitance: Diode capacitance of 4 pF, which is beneficial for high-frequency operations.
Applications
- Signal Processing: Used in various signal processing applications due to its fast switching and low forward voltage drop characteristics.
- Voltage Clamping: Ideal for voltage clamping and protection circuits in electronic devices.
- High-Frequency Operations: Suitable for high-frequency and high-speed operations due to its low reverse recovery time and diode capacitance.
- Consumer Electronics: Used in consumer electronics, telecommunications equipment, and automotive products.
- Industrial Applications: Applicable in industrial settings for rectification, polarity protection, or signal switching.
Q & A
- What is the reverse voltage rating of the 1N4148WS-E3-08 diode?
The reverse voltage rating of the 1N4148WS-E3-08 diode is 75 V, with a repetitive peak reverse voltage of 100 V.
- What is the forward current rating of the 1N4148WS-E3-08 diode?
The average rectified current (half wave rectification with resistive load) is 150 mA.
- What is the forward voltage drop of the 1N4148WS-E3-08 diode?
The forward voltage drop is 1 V at 10 mA and 1.2 V at 100 mA.
- What is the reverse recovery time of the 1N4148WS-E3-08 diode?
The reverse recovery time is 4 ns.
- What is the operating temperature range of the 1N4148WS-E3-08 diode?
The operating temperature range is -55 to +150 °C.
- What is the package type of the 1N4148WS-E3-08 diode?
The diode is encapsulated in a SOD-323 package.
- What are the typical applications of the 1N4148WS-E3-08 diode?
Typical applications include signal processing, voltage clamping, protection circuits, and high-frequency operations.
- What is the thermal resistance junction to ambient air of the 1N4148WS-E3-08 diode?
The thermal resistance junction to ambient air is 650 K/W.
- What is the diode capacitance of the 1N4148WS-E3-08 diode?
The diode capacitance is 4 pF.
- Is the 1N4148WS-E3-08 diode suitable for automotive applications?
Yes, it is suitable for automotive applications due to its robust specifications and wide operating temperature range.
- What is the surge forward current rating of the 1N4148WS-E3-08 diode?
The surge forward current rating is 350 mA for t < 1 s and Tj = 25 °C.
