Overview
The LL4148 L0G is a high-speed switching diode manufactured by Taiwan Semiconductor Corporation. This diode is designed for small signal switching applications and is known for its low power loss and high efficiency. It is packaged in a Mini-MELF (Micro-Miniature Electronic) format, making it suitable for compact and high-density electronic designs.
Key Specifications
| Parameter | Symbol | Min | Max | Unit |
|---|---|---|---|---|
| Reverse Breakdown Voltage | VBR | 75 | - | V |
| Forward Voltage | VF | - | 1 | V |
| Forward Current | IF | - | 150 | mA |
| Reverse Current @ Rated VR | IR | - | 5 | µA |
| Junction Capacitance | CJ | - | 4 | pF |
| Reverse Recovery Time | trr | - | 4 | ns |
| Junction Temperature Range | TJ | -65 | 175 | °C |
| Storage Temperature Range | TSTG | -65 | 175 | °C |
| Non-repetitive Peak Forward Surge Current (t = 1µs) | IFSM | - | 4.0 | A |
Key Features
- Low power loss and high efficiency
- High-speed switching capability with a reverse recovery time of 4 ns
- Mini-MELF package for compact designs
- Wide junction temperature range from -65°C to +175°C
- Low forward voltage drop of 1 V at 50 mA
- High reverse breakdown voltage of 75 V
Applications
The LL4148 L0G diode is suitable for various small signal switching applications, including:
- High-frequency switching circuits
- Audio and video signal processing
- Automotive electronics
- Consumer electronics
- Industrial control systems
Q & A
- What is the maximum forward current of the LL4148 L0G diode?
The maximum forward current is 150 mA. - What is the reverse breakdown voltage of the LL4148 L0G diode?
The reverse breakdown voltage is 75 V. - What is the typical forward voltage drop at 50 mA?
The typical forward voltage drop at 50 mA is 1 V. - What is the reverse recovery time of the LL4148 L0G diode?
The reverse recovery time is 4 ns. - What is the junction temperature range of the LL4148 L0G diode?
The junction temperature range is from -65°C to +175°C. - What is the storage temperature range of the LL4148 L0G diode?
The storage temperature range is from -65°C to +175°C. - What package type is used for the LL4148 L0G diode?
The LL4148 L0G diode is packaged in a Mini-MELF format. - Is the LL4148 L0G diode RoHS compliant?
Yes, the LL4148 L0G diode is RoHS compliant. - What are some common applications of the LL4148 L0G diode?
Common applications include high-frequency switching circuits, audio and video signal processing, automotive electronics, consumer electronics, and industrial control systems. - What is the non-repetitive peak forward surge current of the LL4148 L0G diode for a pulse width of 1 µs?
The non-repetitive peak forward surge current for a pulse width of 1 µs is 4.0 A.
