LL4148-M-18

Product Overview

Category: Semiconductor
Use: Signal diode
Characteristics: High-speed switching, small signal applications
Package: SOD-80
Essence: Small-signal diode with high switching speed
Packaging/Quantity: Tape and reel, 3000 units per reel

Specifications

Voltage - Forward (Vf) (Max): 1V
Current - Reverse Leakage @ Vr: 25nA @ 75V
Speed: Fast recovery
Power Dissipation (Pd): 500mW
Operating Temperature: -65°C ~ 175°C

Detailed Pin Configuration

The LL4148-M-18 has a standard SOD-80 package with two pins. The anode is connected to pin 1, and the cathode is connected to pin 2.

Functional Features

High switching speed
Low reverse leakage current
Small package size

Advantages and Disadvantages

Advantages: - Fast recovery time - Low forward voltage - Small form factor

Disadvantages: - Limited power dissipation capability - Limited reverse voltage rating

Working Principles

The LL4148-M-18 operates as a signal diode, allowing current to flow in one direction while blocking it in the reverse direction. Its fast recovery time makes it suitable for high-speed switching applications.

Detailed Application Field Plans

The LL4148-M-18 is commonly used in: - High-frequency signal rectification - Switching circuits - Clipping and clamping circuits - Voltage multipliers

Detailed and Complete Alternative Models

1N4148
1N914
BAV21
BAV99

This completes the English editing encyclopedia entry structure for LL4148-M-18, providing comprehensive information about its category, use, characteristics, specifications, pin configuration, functional features, advantages and disadvantages, working principles, application field plans, and alternative models.

Noem 10 veelgestelde vragen en antwoorden met betrekking tot de toepassing van LL4148-M-18 in technische oplossingen

What is the LL4148-M-18 diode used for?
- The LL4148-M-18 diode is commonly used in signal and switching applications due to its fast switching speed and low forward voltage drop.
What are the electrical characteristics of the LL4148-M-18 diode?
- The LL4148-M-18 diode typically has a maximum repetitive peak reverse voltage of 100V, a forward continuous current of 150mA, and a forward voltage drop of around 0.6V at 10mA.
How can I use the LL4148-M-18 diode in a rectifier circuit?
- The LL4148-M-18 diode can be used in a rectifier circuit to convert AC voltage to DC by allowing current to flow in only one direction.
What are some common applications of the LL4148-M-18 diode in technical solutions?
- The LL4148-M-18 diode is often used in audio amplifiers, radio frequency circuits, digital logic circuits, and voltage clamping circuits.
What is the temperature range for the LL4148-M-18 diode?
- The LL4148-M-18 diode typically operates within a temperature range of -65°C to +175°C.
Can the LL4148-M-18 diode be used for high-frequency applications?
- Yes, the LL4148-M-18 diode's fast switching speed makes it suitable for high-frequency applications such as RF circuits and data communication systems.
How do I identify the cathode and anode of the LL4148-M-18 diode?
- The cathode end of the LL4148-M-18 diode is typically marked with a band or line, while the other end is the anode.
What are the packaging options available for the LL4148-M-18 diode?
- The LL4148-M-18 diode is commonly available in surface mount (SMD) packages such as SOD-123, SOD-323, and SOT-23.
Are there any precautions to consider when using the LL4148-M-18 diode?
- It's important to ensure that the maximum ratings for voltage and current are not exceeded, and to handle the diode carefully to avoid static discharge damage.
Where can I find detailed specifications and application notes for the LL4148-M-18 diode?
- Detailed specifications and application notes for the LL4148-M-18 diode can be found in the manufacturer's datasheet and application guides, which are available on their website or through authorized distributors.