Overview
The 1N4148W is a fast switching diode produced by SMC Diode Solutions. It is designed for general-purpose switching applications and is known for its fast switching speed and low forward voltage. This diode is packaged in a SOD-123 (Small Outline Diode 123) surface mount package, making it ideal for automated insertion in various electronic circuits. The 1N4148W is also halogen-free and fully RoHS compliant, ensuring environmental sustainability and compliance with regulatory standards.
Key Specifications
| Characteristic | Symbol | Unit | Min | Max |
|---|---|---|---|---|
| Peak Repetitive Reverse Voltage | VRRM | V | - | 75 |
| Working Peak Reverse Voltage | VRWM | V | - | 75 |
| Forward Continuous Current | IF | mA | - | 300 |
| Average Rectified Output Current | IO | mA | - | 150 |
| Non-Repetitive Peak Forward Surge Current @t=8.3ms | IFSM | A | - | 2.0 |
| Power Dissipation | PD | mW | - | 400 |
| Typical Thermal Resistance, Junction to Ambient | RθJA | °C/W | - | 315 |
| Junction Temperature Range | TJ | °C | -55 | 125 |
| Storage Temperature Range | TSTG | °C | -55 | 150 |
| Forward Voltage @IF=1mA | VFM | V | 0.715 | 1.25 |
| Reverse Recovery Time | trr | ns | - | 4 |
Key Features
- Fast Switching Speed: The 1N4148W has a fast reverse recovery time of up to 4 ns, making it suitable for high-frequency applications.
- Low Forward Voltage: The diode has a maximum forward voltage of 1.25 V at 150 mA, reducing power losses in the circuit.
- Low Capacitance: With a maximum capacitance of 2 pF, it minimizes the impact on high-frequency signals.
- Surface Mount Package: The SOD-123 package is ideal for automated insertion and surface mount technology.
- Halogen-Free and RoHS Compliant: Ensures environmental sustainability and compliance with regulatory standards.
- Qualified to AEC-Q101 Standards: High reliability for automotive and other demanding applications.
Applications
The 1N4148W is suitable for a variety of general-purpose switching applications, including:
- Automotive systems
- Consumer electronics
- Industrial control systems
- Power supplies
- Signal processing and switching circuits
Q & A
- What is the peak repetitive reverse voltage of the 1N4148W diode?
The peak repetitive reverse voltage (VRRM) is 75 V. - What is the maximum forward continuous current of the 1N4148W?
The maximum forward continuous current (IF) is 300 mA. - What is the typical thermal resistance of the 1N4148W?
The typical thermal resistance, junction to ambient (RθJA), is 315 °C/W. - Is the 1N4148W diode RoHS compliant?
Yes, the 1N4148W is fully RoHS compliant and halogen-free. - What is the reverse recovery time of the 1N4148W?
The reverse recovery time (trr) is up to 4 ns. - What package type is the 1N4148W available in?
The 1N4148W is available in a SOD-123 surface mount package. - What are the junction and storage temperature ranges for the 1N4148W?
The junction temperature range is -55°C to 125°C, and the storage temperature range is -55°C to 150°C. - Is the 1N4148W suitable for high-frequency applications?
Yes, due to its fast switching speed and low capacitance, it is suitable for high-frequency applications. - Is the 1N4148W qualified to any specific standards?
Yes, it is qualified to AEC-Q101 standards for high reliability. - What is the maximum power dissipation of the 1N4148W?
The maximum power dissipation (PD) is 400 mW.
