Overview
The 1N4148WT-HF is a high-performance switching diode manufactured by Comchip Technology. This diode is designed for general-purpose switching applications and is known for its fast switching speed and high conductance. It is available in a very small surface mount package, making it ideal for compact electronic designs.
Key Specifications
| Characteristic | Symbol | Value | Unit |
|---|---|---|---|
| Non-Repetitive Peak Reverse Voltage | VRM | 100 | V |
| Reverse Voltage | VR | 80 | V |
| RMS Reverse Voltage | VR(RMS) | 53 | V |
| Forward Continuous Current | IFM | 250 | mA |
| Average Rectified Output Current | IO | 125 | mA |
| Non-Repetitive Peak Forward Surge Current | IFSM | 2.0 A (t = 1.0μs), 1.0 A (t = 100ms) | A |
| Power Dissipation | PD | 150 | mW |
| Thermal Resistance Junction to Ambient Air | RθJA | 833 | °C/W |
| Operating and Storage Temperature Range | TJ, TSTG | -55 to +150 | °C |
| Forward Voltage | VF | 0.715 to 1.25 V (IF = 1.0mA to 150mA) | V |
| Peak Reverse Current | IR | 1.0 to 25 μA (VR = 75V to 20V, TJ = +150°C) | μA |
| Reverse Recovery Time | tRR | 4.0 ns | ns |
| Package | SOD-523 |
Key Features
- Fast Switching Speed: The 1N4148WT-HF diode is optimized for fast switching applications, making it suitable for high-speed circuits.
- Small Surface Mount Package: Available in the SOD-523 package, this diode is ideal for compact and space-efficient designs.
- High Conductance: The diode offers high conductance, ensuring efficient current flow in switching applications.
- Totally Lead-Free & Fully RoHS Compliant: This diode is lead-free and fully compliant with RoHS regulations, making it environmentally friendly.
- Halogen and Antimony Free: Classified as a “Green” device, it is free from halogen and antimony, aligning with modern environmental standards.
- AEC-Q101 Qualified: Suitable for automotive applications, this diode is AEC-Q101 qualified, PPAP capable, and manufactured in IATF 16949 certified facilities.
Applications
- General Purpose Switching: Ideal for general-purpose switching applications in electronic circuits.
- Automotive Electronics: AEC-Q101 qualified, making it suitable for use in automotive systems.
- Consumer Electronics: Used in various consumer electronic devices where fast switching and high conductance are required.
- Industrial Control Systems: Applicable in industrial control systems that demand reliable and efficient switching diodes.
Q & A
- What is the maximum reverse voltage of the 1N4148WT-HF diode?
The maximum reverse voltage (VRM) is 100V.
- What is the forward continuous current rating of this diode?
The forward continuous current (IFM) is 250mA.
- What is the typical reverse recovery time of the 1N4148WT-HF diode?
The reverse recovery time (tRR) is 4.0 ns.
- Is the 1N4148WT-HF diode RoHS compliant?
Yes, the diode is fully RoHS compliant and lead-free.
- What package type is the 1N4148WT-HF diode available in?
The diode is available in the SOD-523 package.
- Is the 1N4148WT-HF diode suitable for automotive applications?
Yes, it is AEC-Q101 qualified and suitable for automotive applications.
- What is the operating temperature range of the 1N4148WT-HF diode?
The operating and storage temperature range is -55°C to +150°C).
- What is the power dissipation rating of the 1N4148WT-HF diode?
The power dissipation (PD) is 150 mW).
- Is the 1N4148WT-HF diode halogen and antimony free?
Yes, it is classified as a “Green” device and is free from halogen and antimony).
- What is the typical forward voltage of the 1N4148WT-HF diode?
The forward voltage (VF) ranges from 0.715V to 1.25V depending on the forward current).
