Overview
The 1N4148-P-TR diode, produced by Vishay General Semiconductor - Diodes Division, is a silicon switching diode known for its fast switching time and high-speed response. It belongs to the silicon epitaxial planar diode family and is widely used in high-frequency circuits and fast switching applications. This diode is particularly suitable for environments with fluctuating temperatures, making it a reliable choice for automotive and industrial settings.
Key Specifications
| Parameter | Rating | Conditions |
|---|---|---|
| Peak Reverse Voltage (VRRM) | 100V | Maximum |
| Forward Continuous Current (IF) | 150mA | @ 25°C |
| Peak Forward Current (IFSM) | 1A | Pulse width ≤ 1s |
| Forward Voltage Drop (VF) | 1V | @ IF = 10mA |
| Reverse Current | 25nA | @ VR = 20V |
| Reverse Recovery Time (trr) | 4ns | Typically |
| Operating Temperature Range | -65°C to +175°C | |
| Package Style | DO-35 (SOD-27) | |
| Mounting Method | Through Hole |
Key Features
- Fast Switching Time: The 1N4148-P-TR diode has a reverse recovery time of approximately 4 nanoseconds, making it ideal for high-frequency switching applications.
- Low Forward Voltage Drop: It exhibits a forward voltage drop of 1V at 10mA, which is crucial for small-signal applications requiring precise voltage control.
- High Peak Inverse Voltage: The diode can block reverse voltages up to 100V, providing substantial protection against reverse voltage conditions.
- Low Leakage Current: It has a very low leakage current in reverse-bias mode, helping maintain signal integrity in circuits that require stable voltage levels.
- Compact Package: Available in a small DO-35 glass package, it is easy to use in compact designs or PCBs with limited space.
- Reliability and Availability: This diode is highly reliable and widely available, making it a prime choice for long-term projects.
Applications
- High-Frequency Circuits: Suitable for high-frequency applications due to its fast switching time.
- Automotive and Industrial Settings: Operates over a wide temperature range (-65°C to +175°C), making it ideal for environments prone to fluctuating temperatures.
- Precision Analog Circuits: Low leakage current helps maintain signal integrity in precision analog circuits and sensor applications.
- Signal Switching and Rectification: Excellent choice for rectification, polarity protection, or signal switching applications.
Q & A
- What is the typical reverse recovery time of the 1N4148-P-TR diode?
The reverse recovery time is typically around 4 nanoseconds.
- What is the maximum peak reverse voltage that the 1N4148-P-TR diode can handle?
The diode can handle a maximum peak reverse voltage of 100V.
- What is the forward continuous current rating of the 1N4148-P-TR diode?
The forward continuous current rating is 150mA at 25°C.
- What is the operating temperature range of the 1N4148-P-TR diode?
The operating temperature range is -65°C to +175°C.
- What type of package does the 1N4148-P-TR diode come in?
The diode comes in a DO-35 (SOD-27) package.
- What is the typical forward voltage drop of the 1N4148-P-TR diode?
The typical forward voltage drop is 1V at 10mA.
- Is the 1N4148-P-TR diode suitable for high-frequency applications?
Yes, it is suitable due to its fast switching time.
- What is the maximum peak forward surge current of the 1N4148-P-TR diode?
The maximum peak forward surge current is 1A for a pulse width ≤ 1s.
- Why is the 1N4148-P-TR diode used in precision analog circuits?
It is used due to its low leakage current, which helps maintain signal integrity.
- Is the 1N4148-P-TR diode widely available and reliable?
Yes, it is highly reliable and widely available, making it a prime choice for long-term projects.
