Overview
The 1N4148,143 is a high-speed switching diode produced by NXP USA Inc. This diode is part of the 1N4148 series, which is known for its high switching speed and general-purpose applications. The diode is fabricated in planar technology and encapsulated in a hermetically sealed leaded glass SOD27 (DO-35) package. This design ensures reliability and durability in various electronic circuits.
Key Specifications
| Parameter | Conditions | Min | Max | Unit |
|---|---|---|---|---|
| VRRM (Repetitive Peak Reverse Voltage) | - | - | 100 | V |
| VR (Continuous Reverse Voltage) | - | - | 100 | V |
| IF (Continuous Forward Current) | - | - | 200 | mA |
| IFRM (Repetitive Peak Forward Current) | - | - | 450 | mA |
| IFSM (Non-Repetitive Peak Forward Current) | t = 1 µs | - | 4 | A |
| VF (Forward Voltage) | IF = 10 mA | - | 1 | V |
| IR (Reverse Current) | VR = 20 V; Tj = 25 °C | - | 25 | nA |
| Cd (Diode Capacitance) | f = 1 MHz; VR = 0 V | - | 4 | pF |
| trr (Reverse Recovery Time) | When switched from IF = 10 mA to IR = 60 mA; RL = 100 Ω | - | 4 | ns |
| Tstg (Storage Temperature) | - | -65 | 200 | °C |
| Tj (Junction Temperature) | - | - | 200 | °C |
Key Features
- Hermetically sealed leaded glass SOD27 (DO-35) package, ensuring reliability and durability.
- High switching speed with a maximum reverse recovery time of 4 ns.
- General-purpose application suitability.
- Continuous reverse voltage and repetitive peak reverse voltage up to 100 V.
- Repetitive peak forward current up to 450 mA.
- Low forward voltage drop (approximately 1 V at 10 mA).
- Low reverse current (25 nA at 20 V and 25 °C).
Applications
The 1N4148,143 high-speed switching diode is widely used in various applications requiring fast switching times and reliable performance. These include:
- High-speed switching circuits.
- General-purpose signal switching.
- Rectifier circuits where high-speed recovery is necessary.
- Audio and video signal processing.
- Automotive and industrial control systems.
Q & A
- What is the maximum continuous reverse voltage of the 1N4148,143 diode?
The maximum continuous reverse voltage is 100 V.
- What is the maximum repetitive peak forward current of the 1N4148,143 diode?
The maximum repetitive peak forward current is 450 mA.
- What is the typical forward voltage drop of the 1N4148,143 diode?
The typical forward voltage drop is approximately 1 V at a forward current of 10 mA.
- What is the reverse recovery time of the 1N4148,143 diode?
The reverse recovery time is a maximum of 4 ns.
- What type of package does the 1N4148,143 diode come in?
The diode comes in a hermetically sealed leaded glass SOD27 (DO-35) package.
- What are the storage temperature limits for the 1N4148,143 diode?
The storage temperature range is from -65 °C to 200 °C.
- Is the 1N4148,143 diode RoHS compliant?
Yes, the 1N4148,143 diode is RoHS compliant.
- What are some common applications of the 1N4148,143 diode?
Common applications include high-speed switching circuits, general-purpose signal switching, and rectifier circuits.
- What is the maximum junction temperature for the 1N4148,143 diode?
The maximum junction temperature is 200 °C.
- How does the 1N4148,143 diode handle high-frequency signals?
The diode is capable of handling high-frequency signals due to its high switching speed and low reverse recovery time.
