Overview
The 1N4148UBCC is a small signal switching diode produced by Microchip Technology. It is the surface mount equivalent of the popular JEDEC registered 1N4148 diode. This diode is known for its very low capacitance and very fast switching speeds, making it suitable for a variety of high-speed applications. The 1N4148UBCC is packaged in a compact form, enhancing its usability in modern electronic designs.
Key Specifications
| Parameter | Value | Units |
|---|---|---|
| Peak Repetitive Reverse Voltage (VRRM) | 100 | V |
| Peak Working Reverse Voltage (VRWM) | 75 | V |
| Average Forward Current (IO) | 150 | mA |
| DC Forward Current (IF) | 200 | mA |
| Peak Forward Surge Current (IFSM), tp=1.0μs | 2.0 | A |
| Power Dissipation (PD) | 500 | mW |
| Operating and Storage Junction Temperature (TJ, Tstg) | -65 to +200 | °C |
| Reverse Current (IR) at VR=20V | 25 | nA |
| Forward Voltage (VF) at IF=10mA | 1.0 | V |
| Junction Capacitance (CJ) at VR=0, f=1.0MHz | 4.0 | pF |
| Reverse Recovery Time (trr) | 4.0 | ns |
Key Features
- Very low capacitance, enhancing high-speed switching performance.
- Fast switching speeds with minimal reverse recovery times.
- Hermetically sealed or surface mount packaging options, depending on the variant.
- High reliability and durability due to its robust construction.
- Drop-in replacement for the 1N914 diode.
Applications
The 1N4148UBCC diode is widely used in various electronic circuits that require fast switching and low capacitance. Some common applications include:
- High-speed switching circuits.
- Computer and signal processing systems.
- Audio and video equipment.
- Automotive electronics.
- Industrial control systems.
Q & A
- What is the peak repetitive reverse voltage of the 1N4148UBCC diode?
The peak repetitive reverse voltage (VRRM) is 100 V. - What is the maximum DC forward current for the 1N4148UBCC diode?
The maximum DC forward current (IF) is 200 mA. - What is the typical forward voltage drop of the 1N4148UBCC diode?
The typical forward voltage drop (VF) at IF=10mA is 1.0 V. - What is the junction capacitance of the 1N4148UBCC diode?
The junction capacitance (CJ) at VR=0, f=1.0MHz is 4.0 pF. - What is the reverse recovery time of the 1N4148UBCC diode?
The reverse recovery time (trr) is typically 4.0 ns. - Can the 1N4148UBCC diode be used as a replacement for the 1N914 diode?
Yes, the 1N4148UBCC is a drop-in replacement for the 1N914 diode. - What are the operating and storage temperature ranges for the 1N4148UBCC diode?
The operating and storage junction temperature range is -65 to +200 °C. - What is the peak forward surge current rating for the 1N4148UBCC diode?
The peak forward surge current (IFSM) for tp=1.0μs is 2.0 A. - What type of packaging is available for the 1N4148UBCC diode?
The 1N4148UBCC is available in surface mount packaging. - What are some common applications of the 1N4148UBCC diode?
Common applications include high-speed switching circuits, computer and signal processing systems, audio and video equipment, automotive electronics, and industrial control systems.
