Overview
The LL4148-7, produced by Diodes Incorporated, is a small signal diode designed for general-purpose rectification and switching applications. This diode is part of the MiniMELF package family, which is ideal for surface mount technology and automatic insertion. The LL4148-7 is RoHS and REACH compliant, making it suitable for use in a wide range of electronic devices that require environmental compliance.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Maximum Repetitive Reverse Voltage (VRRM) | 100 | V |
| Average Rectified Forward Current (IF(AV)) | 200 | mA |
| Non-Repetitive Peak Forward Surge Current (IFSM) | 1.0 A (t = 1.0 s), 2.0 A (t = 1.0 μs) | A |
| Forward Voltage (VF) | 1.0 | V @ IF = 10 mA |
| Reverse Recovery Time (trr) | 4 ns | ns |
| Reverse Leakage Current (IRM) | 25 nA @ VR = 20 V | nA |
| Capacitance (CJ) | 4 pF @ VR = 0 V, f = 1 MHz | pF |
| Operating Junction Temperature Range (TJ) | -55 to +175 | °C |
| Storage Temperature Range (TSTG) | -65 to +200 | °C |
| Package | MiniMELF (SOD-80) | |
| Case Material | Glass: UL Flammability Classification Rating 94V-0 |
Key Features
- Fast switching speed, making it suitable for high-frequency applications.
- Surface mount package ideal for automatic insertion and space-saving designs.
- General-purpose rectification capabilities.
- Silicon epitaxial planar construction for reliable performance.
- Lead-free finish, RoHS and REACH compliant.
- Low forward voltage drop and high reverse voltage rating.
- Low reverse leakage current and fast reverse recovery time.
Applications
- General-purpose rectification in power supplies and DC-DC converters.
- Switching circuits in audio and video equipment.
- Signal processing and detection in various electronic devices.
- Automotive and industrial control systems requiring reliable and fast switching diodes.
- Consumer electronics such as TVs, radios, and other household appliances.
Q & A
- What is the maximum repetitive reverse voltage of the LL4148-7 diode?
The maximum repetitive reverse voltage (VRRM) is 100 V.
- What is the average rectified forward current rating of the LL4148-7?
The average rectified forward current (IF(AV)) is 200 mA.
- What is the forward voltage drop of the LL4148-7 at 10 mA?
The forward voltage (VF) at 10 mA is 1.0 V.
- What is the reverse recovery time of the LL4148-7?
The reverse recovery time (trr) is 4 ns.
- Is the LL4148-7 RoHS and REACH compliant?
- What is the operating junction temperature range of the LL4148-7?
The operating junction temperature range (TJ) is -55 to +175 °C.
- What type of package does the LL4148-7 come in?
The LL4148-7 comes in a MiniMELF (SOD-80) package.
- What is the case material of the LL4148-7?
The case material is glass with a UL flammability classification rating of 94V-0.
- What are some common applications of the LL4148-7 diode?
Common applications include general-purpose rectification, switching circuits, signal processing, and automotive and industrial control systems.
- Is the LL4148-7 suitable for high-frequency applications?
