Overview
The 1N4148UR-1/TR is a high-performance switching/signal diode manufactured by Microchip Technology. This diode is designed for general-purpose and power applications, featuring internal metallurgical bonded construction which enhances its reliability and performance. It is particularly suited for circuits requiring fast switching speeds and low forward voltage drop.
Key Specifications
| Parameter | Value |
|---|---|
| Manufacturer | Microchip Technology |
| Type of Diode | Switching/Signal Diode |
| Mounting | SMD (Surface Mount) |
| Max. Off-State Voltage (VRRM) | 75 V |
| Load Current (If) | 0.2 A |
| Reverse Recovery Time (trr) | 20 ns |
| Semiconductor Structure | Single Diode |
| Case/Package | DO-213AA |
| Max. Forward Voltage (Vf) | 1.2 V |
| Max. Forward Impulse Current | 2 A |
| Reverse Current (Ir) | 500 nA @ 75 V |
| Minimum Operating Temperature | -65°C |
| Maximum Operating Temperature | +175°C |
Key Features
- Fast switching speeds with a reverse recovery time of 20 ns, making it suitable for high-frequency applications.
- Low forward voltage drop of 1.2 V at 100 mA, reducing power losses in the circuit.
- High peak reverse voltage rating of 75 V, ensuring robust performance under various operating conditions.
- Internal metallurgical bonded construction for enhanced reliability and durability.
- Surface mount package (DO-213AA) for easy integration into modern PCB designs.
- Wide operating temperature range from -65°C to +175°C, suitable for a variety of environmental conditions.
Applications
The 1N4148UR-1/TR diode is versatile and can be used in a wide range of applications, including:
- General-purpose switching circuits.
- Power supply circuits requiring fast recovery times.
- Audio and video signal processing.
- Automotive and industrial control systems.
- High-frequency signal processing and RF circuits.
Q & A
- What is the maximum off-state voltage (VRRM) of the 1N4148UR-1/TR diode?
The maximum off-state voltage (VRRM) is 75 V. - What is the reverse recovery time (trr) of this diode?
The reverse recovery time (trr) is 20 ns. - What is the maximum forward current (If) rating of the 1N4148UR-1/TR diode?
The maximum forward current (If) rating is 0.2 A. - What is the package type of the 1N4148UR-1/TR diode?
The package type is DO-213AA, which is a surface mount package. - What is the maximum operating temperature range for this diode?
The maximum operating temperature range is from -65°C to +175°C. - What is the forward voltage drop (Vf) of the 1N4148UR-1/TR diode?
The forward voltage drop (Vf) is 1.2 V at 100 mA. - Is the 1N4148UR-1/TR diode suitable for high-frequency applications?
Yes, it is suitable due to its fast switching speeds and low reverse recovery time. - What is the reverse current (Ir) of the 1N4148UR-1/TR diode at 75 V?
The reverse current (Ir) is 500 nA at 75 V. - What are some common applications of the 1N4148UR-1/TR diode?
Common applications include general-purpose switching circuits, power supply circuits, audio and video signal processing, automotive and industrial control systems, and high-frequency signal processing. - Is the 1N4148UR-1/TR diode available in reel and tape packaging?
Yes, it is available in reel and tape packaging.
