Overview
The 1N4148UBD is a fast-switching diode produced by Microchip Technology. It is part of the 1N4148 series, known for its high-speed switching capabilities and reliability. This diode is widely used in various electronic circuits where fast recovery times and low forward voltage drops are crucial.
Key Specifications
| Parameter | Value |
|---|---|
| Peak Repetitive Reverse Voltage | 100V |
| RMS Reverse Voltage | 75V |
| Peak Forward Surge Current | 2A |
| Forward Continuous Current (If) | 300mA |
| Reverse Recovery Time | 8ns |
| Package Type | DO-35 |
Key Features
- Fast switching diode with a reverse recovery time of 8ns at a forward current of 10mA.
- High peak repetitive reverse voltage of 100V and RMS reverse voltage of 75V.
- Peak forward surge current of 2A and forward continuous current of 300mA.
- Available in the DO-35 package.
- Low forward voltage drop, making it efficient for high-frequency applications.
Applications
- Preventing reverse polarity problems in electronic circuits.
- Protecting power electronic switches operating at high switching frequencies.
- Half-wave and full-wave rectifiers.
- Used as a protection device in various electronic systems.
- Current flow regulators in high-speed applications.
Q & A
- What is the peak repetitive reverse voltage of the 1N4148UBD diode?
The peak repetitive reverse voltage is 100V. - What is the forward continuous current rating of the 1N4148UBD diode?
The forward continuous current rating is 300mA. - What is the reverse recovery time of the 1N4148UBD diode?
The reverse recovery time is 8ns at a forward current of 10mA. - In what package is the 1N4148UBD diode available?
The 1N4148UBD diode is available in the DO-35 package. - What are some common applications of the 1N4148UBD diode?
Common applications include preventing reverse polarity problems, protecting power electronic switches, and use in half-wave and full-wave rectifiers. - What is the peak forward surge current of the 1N4148UBD diode?
The peak forward surge current is 2A. - Is the 1N4148UBD diode suitable for high-frequency applications?
Yes, it is suitable due to its fast switching and low forward voltage drop characteristics. - What are some equivalent diodes to the 1N4148UBD?
Some equivalent diodes include 1N914, 1N914A, 1N914B, 1N916, 1N916A, 1N916B, 1N4448, 1N4448WS, and 1N4448W. - How do you identify the cathode terminal of the 1N4148UBD diode?
The cathode terminal can be identified by a grey bar on the diode. - What is the RMS reverse voltage of the 1N4148UBD diode?
The RMS reverse voltage is 75V.
