Overview
The LL4148-M-08 is a small signal fast switching diode produced by Vishay General Semiconductor - Diodes Division. This diode is designed for high-speed switching applications and is known for its excellent performance in rectification, polarity protection, and signal switching. The LL4148-M-08 is part of the LL414 series, which is widely used in various electronic circuits due to its reliable and efficient operation.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Repetitive Peak Reverse Voltage (VRRM) | 100 | V |
| Reverse Voltage (VR) | 75 | V |
| Peak Forward Surge Current (IFSM) | 2 | A |
| Repetitive Peak Forward Current (IFRM) | 500 | mA |
| Forward Continuous Current (IF) | 300 | mA |
| Average Forward Current (IF(AV)) | 150 | mA |
| Forward Voltage (VF) at IF = 50 mA | 1 | V |
| Reverse Recovery Time (trr) | 4 | ns |
| Reverse Leakage Current (IR) at VR = 20 V | 25 | nA |
| Diode Capacitance (CD) at VR = 0 V, f = 1 MHz | 4 | pF |
| Junction Temperature (Tj) | -55 to 175 | °C |
| Package / Case | MiniMELF (SOD-80) | |
| No. of Pins | 2 |
Key Features
- Fast switching capabilities with a reverse recovery time of 4 ns.
- Low forward voltage drop of up to 1 V at 50 mA.
- High repetitive peak reverse voltage of 100 V.
- Low reverse leakage current of 25 nA at 20 V.
- Compact MiniMELF (SOD-80) package suitable for surface mount applications.
- Wide operating temperature range from -55°C to 175°C.
- High reliability and efficiency in rectification, polarity protection, and signal switching applications.
Applications
- Rectification and polarity protection in electronic circuits.
- Signal switching in high-speed applications.
- Automotive, industrial, computing, and consumer electronics.
- General-purpose switching and protection in various electronic devices.
Q & A
- What is the repetitive peak reverse voltage of the LL4148-M-08 diode?
The repetitive peak reverse voltage (VRRM) is 100 V.
- What is the maximum forward continuous current for the LL4148-M-08?
The maximum forward continuous current (IF) is 300 mA.
- What is the reverse recovery time of the LL4148-M-08 diode?
The reverse recovery time (trr) is 4 ns.
- What is the package type of the LL4148-M-08 diode?
The package type is MiniMELF (SOD-80).
- What is the operating temperature range of the LL4148-M-08 diode?
The operating temperature range is from -55°C to 175°C.
- What are the typical applications of the LL4148-M-08 diode?
Typical applications include rectification, polarity protection, and signal switching in various electronic circuits.
- What is the maximum forward surge current for the LL4148-M-08 diode?
The maximum forward surge current (IFSM) is 2 A.
- What is the forward voltage drop at 50 mA for the LL4148-M-08 diode?
The forward voltage drop (VF) at 50 mA is up to 1 V.
- Is the LL4148-M-08 diode suitable for automotive applications?
- What is the reverse leakage current at 20 V for the LL4148-M-08 diode?
The reverse leakage current (IR) at 20 V is 25 nA.
