Overview
The 1N4148UBCD is a high-speed switching diode produced by Microchip Technology. It is the surface mount equivalent of the popular JEDEC registered 1N4148 number. This diode is known for its very low capacitance and very fast switching speeds, making it ideal for applications requiring minimal reverse recovery times.
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) | 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
- Very fast switching speeds
- Minimal reverse recovery times
- Surface mount package (UBCD)
- High speed switching capabilities
- Internal metallurgical bonded construction for reliability
Applications
The 1N4148UBCD is suitable for a variety of applications, including:
- High-speed switching circuits
- Signal processing and transmission
- General-purpose rectification and voltage regulation
- Military and aerospace applications due to its compliance with MIL-PRF-19500/570 standards
Q & A
- What is the peak repetitive reverse voltage of the 1N4148UBCD? The peak repetitive reverse voltage is 100V.
- What is the average forward current rating of the 1N4148UBCD? The average forward current rating is 150mA.
- What is the power dissipation of the 1N4148UBCD? The power dissipation is 500mW.
- What is the operating temperature range of the 1N4148UBCD? The operating temperature range is -65°C to +200°C.
- Is the 1N4148UBCD RoHS compliant? Yes, the 1N4148UBCD is RoHS compliant.
- What is the typical forward voltage drop of the 1N4148UBCD? The typical forward voltage drop is 1.0V at IF=10mA.
- What is the junction capacitance of the 1N4148UBCD? The junction capacitance is 4.0pF at VR=0, f=1.0MHz.
- What is the reverse recovery time of the 1N4148UBCD? The reverse recovery time is 4.0ns.
- Can the 1N4148UBCD be used in military applications? Yes, it is suitable for military applications due to its compliance with MIL-PRF-19500/570 standards.
- What package type does the 1N4148UBCD come in? The 1N4148UBCD comes in a surface mount UBCD package.
