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1N4148W

Name: 1N4148W
Rating: 4.7 (12 reviews)

DIODE GEN PURP 75V 150MA SOD123

メーカー
Mfr。パート #1N4148W
パッケージ SOD123
データシート
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仕様

Package	Tape & Reel (TR),Cut Tape (CT)
ProductStatus	Active
DiodeType	Standard
Voltage-DCReverse(Vr)(Max)	75 V
Current-AverageRectified(Io)	150mA
Voltage-Forward(Vf)(Max)@If	1.25 V @ 100 mA
Speed	Small Signal =< 200mA (Io), Any Speed
ReverseRecoveryTime(trr)	4 ns
Current-ReverseLeakage@Vr	1 µA @ 75 V
Capacitance@VrF	4pF @ 0V, 1MHz
MountingType	Surface Mount
Package/Case	SOD-123
SupplierDevicePackage	SOD-123

概要

Description

The 1N4148W is a type of small-signal silicon diode widely used in electronic circuits for its fast switching capabilities. It is an upgraded version of the standard 1N4148 diode, featuring a higher surge current rating and improved performance characteristics. Typically, it has a maximum reverse voltage (V_R) of 100 volts and a forward current (I_F) rating of 1 ampere.
The diode's quick response time makes it suitable for applications such as signal clipping, rectification in low-power power supplies, and protection circuits where fast recovery is crucial. Its small package size allows for easy integration into compact electronic designs.
Additionally, the 1N4148W is known for its durability and high reliability, making it a popular choice among engineers and hobbyists alike. It is often utilized in various applications ranging from consumer electronics to automotive systems.

Features

The 1N4148W is a high-speed switching diode, widely used in electronic circuits for its efficient performance. Key features include:
1. Fast Recovery Time: It has a reverse recovery time of around 4 nanoseconds, making it suitable for high-frequency applications.
2. High Forward Current: It can handle a forward current of up to 1A, enabling it to drive various loads.
3. Low Forward Voltage Drop: The typical forward voltage drop is about 0.7V, which helps in reducing power loss during operation.
4. Wide Operating Temperature Range: It operates effectively across a temperature range of -55°C to +150°C, enhancing reliability in diverse environments.
5. Small Package: Available in DO-35 glass package or surface mount options, it is ideal for space-constrained designs.
6. Robustness: It features a high reverse voltage rating, typically up to 100V, providing protection against voltage spikes.
These characteristics make the 1N4148W a popular choice for switching and signal applications in various electronic devices.

Package

The 1N4148W is typically packaged in a DO-35 glass diode package. This package type is cylindrical and suited for through-hole mounting. The "W" designation indicates a surface-mount version, commonly found in SOD-123 or similar surface-mount packages.

Pinout

The 1N4148W is a standard silicon switching diode, commonly used in electronic circuits for signal processing. It typically comes in a DO-35 (also known as DO-204AL) package. The pin count for the 1N4148W is two, with the following functions:
1. Anode: The positive side of the diode, where current enters when forward-biased.
2. Cathode: The negative side of the diode, marked with a band, where current exits when the diode is conducting.
The 1N4148W is known for its fast switching speed and is widely used in applications like digital logic circuits, waveform shaping, and signal routing. Its maximum reverse voltage rating is around 100V, and it can handle a forward current of up to 1A.

Manufacturer

The 1N4148W is a type of silicon switching diode commonly manufactured by several semiconductor companies, with notable manufacturers including ON Semiconductor, Vishay, and Nexperia. These companies are involved in the design and production of a wide range of electronic components and semiconductor devices.
ON Semiconductor is known for its focus on energy-efficient solutions, while Vishay specializes in passive and active components across various applications, including automotive and industrial sectors. Nexperia, a spin-off from NXP Semiconductors, focuses on discrete, logic, and MOSFET components.
In summary, the manufacturers of the 1N4148W are established companies in the semiconductor industry, producing essential electronic components for diverse applications.

Application

The 1N4148W is a fast-switching silicon diode commonly used in various applications, including signal clipping, clamping, and rectification in low-power circuits. It is ideal for high-speed switching in digital circuits, protection against voltage spikes, and as a general-purpose diode in consumer electronics. Additionally, it is used in RF applications, as well as in timing and pulse applications due to its rapid response time.

Equivalent

Equivalent products for the 1N4148W chip include the 1N4148, 1N914, BAV99, and BAT54 series. These diodes are commonly used in switching and general-purpose applications. Always check specific datasheets for parameters like voltage and current ratings to ensure compatibility.