1N4148TA

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1N4148TA

+BOM

DIODE GEN PURP 100V 200MA DO35

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Specifications

Attribute Value
Package Cut Tape (CT),Tape & Box (TB)
ProductStatus Active
DiodeType Standard
Voltage-DCReverse(Vr)(Max) 100 V
Current-AverageRectified(Io) 200mA
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 Through Hole
Package/Case DO-204AH, DO-35, Axial
SupplierDevicePackage DO-35

Overview

Description

The 1N4148TA is a high-speed switching diode commonly used in electronic applications. This diode is known for its fast switching times and high reliability, making it ideal for use in signal processing and digital circuits. It is a silicon-based device that operates effectively in a wide range of temperatures and is typically encapsulated in a DO-35 or SOD-123 package.
The key features of the 1N4148TA include a reverse recovery time of approximately 4 nanoseconds, a maximum repetitive reverse voltage of 100V, and a continuous forward current of 200mA. It’s widely used in applications such as clamping, snubbing circuits, and reverse polarity protection.
The 'TA' suffix often indicates a specific packaging style or tape and reel configuration for automated assembly. This diode is favored for its affordability and availability, making it a staple in various consumer electronics and industrial applications. Its robustness and speed allow it to perform efficiently in environments that require quick response to changes in voltage.

Equivalent

The 1N4148TA is a standard fast-switching diode. Equivalent products include:
1. 1N4148
2. 1N914
3. 1N4448
4. BAV19
5. BAV20
6. BAV21
7. LL4148 (SMD version)
These diodes share similar characteristics like reverse recovery time and current/voltage ratings, making them suitable substitutes in many applications. Always check specific parameters to ensure compatibility with your circuit.

Features

The 1N4148TA is a small signal, fast-switching diode commonly used in various electronic applications. It features a low forward voltage drop of approximately 1V at a forward current of 10mA, enabling efficient operation in circuits. The diode boasts a reverse breakdown voltage of 100V, providing durability in reverse-biased conditions. Its fast recovery time, typically around 4ns, makes it suitable for high-speed switching applications. Additionally, the 1N4148TA can handle a maximum average rectified forward current of 200mA, with a peak surge current capability of 1A. It is packaged in a DO-35 axial lead configuration, allowing for easy integration into circuit designs. The diode is widely used due to its reliability, availability, and cost-effectiveness in signal processing, switching, and rectification tasks.

Pinout

The 1N4148TA is a popular small signal fast-switching diode. It has two pins, which are the anode and cathode. The main function of the 1N4148TA diode is to allow current to flow in one direction (from anode to cathode) while blocking it in the opposite direction, making it useful for rectification, switching, and signal demodulation applications. The "TA" designation often refers to a specific packaging or tape and reel format for automated assembly processes.

Manufacturer

The 1N4148TA is manufactured by several companies, one of which is ON Semiconductor. Another prominent manufacturer is Vishay Intertechnology. These companies specialize in semiconductors and electronic components.
ON Semiconductor, now known as onsemi, is a leading supplier of semiconductor-based solutions, providing a comprehensive portfolio of energy-efficient power and signal management, logic, standard, and custom devices. Their solutions are used in automotive, industrial, cloud power, and IoT applications.
Vishay Intertechnology is another major player in the electronic components industry. They manufacture a wide range of discrete semiconductors and passive electronic components. These products are utilized in various applications, including automotive, industrial, computing, consumer, telecom, and medical markets.
Both companies are key participants in the global electronics supply chain, known for their high-quality and reliable electronic components.

Application

The 1N4148TA is a widely used small signal, fast switching diode. It is commonly applied in:
1. High-Speed Switching: Ideal for applications requiring rapid signal transitions.
2. Signal Processing: Used in digital and analog signal circuits for modulation, demodulation, and clipping.
3. Rectification: Suitable for low-current rectification in power supplies.
4. Protection Circuits: Acts as a flyback diode in inductive loads to prevent voltage spikes.
5. RF Applications: Utilized in radio frequency circuits due to its fast response time.
6. Logic Circuits: Employed in various logic circuits for switching and signal conditioning.
Its versatility and reliability make it a staple in many electronic designs.

Package

The 1N4148TA is a small-signal silicon diode commonly used for fast switching applications. The "TA" suffix indicates that it is provided in a tape and ammo packaging, facilitating automated assembly processes. The diode itself is typically housed in a DO-35 glass package.

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