Overview
The 1N4148UBCA is a high-speed switching diode manufactured by Microchip Technology. It is designed to be a drop-in replacement for the 1N914 diode and is packaged in a hermetically sealed DO-35 glass case. This diode is known for its fast switching speeds and low capacitance, making it suitable for a variety of high-frequency applications.
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
- High-speed switching capabilities
- Low capacitance
- Hermetically sealed DO-35 glass case
- Fast switching speeds
- Drop-in replacement for 1N914 diode
- High reliability and durability
Applications
The 1N4148UBCA diode is suitable for various high-frequency applications, including:
- Switching circuits
- Rectifier circuits
- Clamping circuits
- Signal processing and filtering
- Automotive and industrial electronics
Q & A
- What is the peak repetitive reverse voltage of the 1N4148UBCA diode?
The peak repetitive reverse voltage (VRRM) is 100 V. - What is the maximum DC forward current for the 1N4148UBCA?
The maximum DC forward current (IF) is 200 mA. - What is the typical forward voltage drop of the 1N4148UBCA at 10 mA?
The typical forward voltage drop (VF) at 10 mA is 1.0 V. - What is the junction capacitance of the 1N4148UBCA?
The junction capacitance (CJ) at VR=0 and f=1.0 MHz is 4.0 pF. - What is the reverse recovery time of the 1N4148UBCA?
The reverse recovery time (trr) is 4.0 ns. - What is the operating temperature range for the 1N4148UBCA?
The operating and storage junction temperature range is -65 to +200 °C. - Is the 1N4148UBCA hermetically sealed?
Yes, the 1N4148UBCA is hermetically sealed in a DO-35 glass case. - Can the 1N4148UBCA be used as a replacement for the 1N914 diode?
Yes, the 1N4148UBCA is a drop-in replacement for the 1N914 diode. - What are some common applications of the 1N4148UBCA diode?
Common applications include switching circuits, rectifier circuits, clamping circuits, signal processing, and automotive and industrial electronics. - Where can I find detailed specifications for the 1N4148UBCA?
Detailed specifications can be found on the Microchip Technology website, as well as on distributor sites like Mouser Electronics and Chip1Stop.
