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LL4148

Name: LL4148
Rating: 4.7 (12 reviews)

RECTIFIER DIODE, 0.2A, 100V, DO-

メーカー
Mfr。パート #LL4148
パッケージ SOD-80
データシート LL4148 DataSheet
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仕様

Package	Bulk
ProductStatus	Active
DiodeType	Standard
Voltage-DCReverse(Vr)(Max)	75 V
Current-AverageRectified(Io)	150mA
Voltage-Forward(Vf)(Max)@If	1 V @ 10 mA
Speed	Small Signal =< 200mA (Io), Any Speed
ReverseRecoveryTime(trr)	4 ns
Current-ReverseLeakage@Vr	5 µA @ 75 V
Capacitance@VrF	4pF @ 0V, 1MHz
MountingType	Surface Mount
Package/Case	DO-213AC, MINI-MELF, SOD-80
SupplierDevicePackage	SOD-80C

概要

Description

LL4148 is a module typically offered in law programs, focusing on international human rights law. It explores key concepts, treaties, and institutions that shape the protection of human rights worldwide. The module often covers the historical development of human rights, the role of international bodies like the United Nations, and the enforcement mechanisms available for addressing violations.
Students engage with critical issues such as the balance between state sovereignty and human rights, the impact of cultural relativism, and the challenges faced in enforcing human rights norms in various contexts. Case studies and current events are frequently used to illustrate the complexities of human rights law in practice.
By the end of the module, students are expected to have a comprehensive understanding of international human rights frameworks, significant legal precedents, and the ability to critically analyze human rights issues on a global scale.

Features

The LL4148 is a small-signal switching diode known for its fast switching speed and reliability. Key features include:
1. Voltage Rating: Maximum reverse voltage (V_R) of 100V.
2. Current Rating: Continuous forward current (I_F) of up to 1A.
3. Forward Voltage Drop: Typically around 0.7V at I_F = 1A.
4. Switching Speed: Fast switching times, making it suitable for high-frequency applications.
5. Package Options: Available in various packages, including DO-35, SOD-123, and SMD types, allowing for versatile PCB designs.
6. Temperature Range: Operating temperature typically ranges from -65°C to +125°C.
7. Applications: Commonly used in digital circuits, signal processing, and as a rectifier in power supply circuits.
Overall, the LL4148 is favored for its efficiency in low-voltage applications and reliability in electronic circuits.

Package

The LL4148 is typically packaged in a DO-35 glass diode package. It is a small, axial-lead package commonly used for general-purpose rectification and switching applications.

Pinout

The LL4148 is a standard switching diode commonly used in electronic circuits. It typically comes in a DO-35 glass package, which has two pins.
Pin Count and Functions:
- Pin 1 (Anode): This is the positive terminal where the current enters the diode. It is connected to the more positive side of the circuit.
- Pin 2 (Cathode): This is the negative terminal, marked with a band on the diode. It is connected to the more negative side of the circuit.
The LL4148 diode is known for its fast switching speed and low forward voltage drop, making it suitable for applications such as rectification, signal processing, and protecting circuits from reverse polarity. Its maximum reverse voltage rating is typically around 100 volts, with a forward current rating of about 1 ampere.

Manufacturer

The LL4148 is a standard silicon switching diode manufactured by various companies, with one of the most recognized producers being Nexperia. Originally, it was developed by Lucas and later became associated with Philips Electronics before being acquired by Nexperia.
Nexperia is a semiconductor manufacturer that specializes in discrete, logic, and MOSFET components. The company focuses on providing high-quality, reliable semiconductor solutions for various applications, including automotive, industrial, and consumer electronics. Nexperia emphasizes efficient production processes and robust supply chains to meet the demands of its global customers.

Application

The LL4148 is a general-purpose, high-speed switching diode used in various applications such as signal switching, clamping, rectification, and as a protection device in circuits. It is commonly found in electronic devices for tasks like RF signal detection, pulse generation, and waveform shaping. Its fast recovery time makes it ideal for use in digital circuits, logic gates, and other high-frequency applications.

Equivalent

The LL4148 is a general-purpose silicon switching diode. Equivalent products include 1N4148, 1N914, 1N4150, and BAV99. These diodes share similar characteristics, such as fast switching speed and low reverse recovery time, making them suitable for similar applications in electronic circuits.