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MMBT4401

Name: MMBT4401
Rating: 4.7 (12 reviews)

TRANS NPN 40V 0.6A SOT23-3

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製造商。部分 #MMBT4401
包 SOT23
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規格

Package	Tape & Reel (TR),Cut Tape (CT)
Series	SOT-23
ProductStatus	Obsolete
TransistorType	NPN
Current-Collector(Ic)(Max)	600 mA
Voltage-CollectorEmitterBreakdown(Max)	40 V
VceSaturation(Max)@IbIc	400mV @ 15mA, 150mA
Current-CollectorCutoff(Max)	100nA
DCCurrentGain(hFE)(Min)@IcVce	300 @ 150mA, 1V
Power-Max	300 mW
Frequency-Transition	250MHz
OperatingTemperature	-55°C ~ 150°C (TJ)
MountingType	Surface Mount
Package/Case	TO-236-3, SC-59, SOT-23-3

概述

Description

MMBT4401, often titled "Introduction to Molecular Biology and Biotechnology," is a foundational course that explores the principles of molecular biology and its applications in biotechnology. The course typically covers key topics such as DNA structure and function, gene expression, genetic engineering techniques, and the role of molecular biology in various industries, including healthcare, agriculture, and environmental science.
Students learn about essential laboratory techniques, such as PCR, cloning, and sequencing, which are vital for research and development in biotechnology. The course emphasizes the ethical considerations and regulatory frameworks surrounding biotechnological applications, ensuring students understand the societal implications of their work.
By the end of the course, students should be equipped with a solid understanding of molecular biology concepts and practical skills, preparing them for advanced studies or careers in research, bioinformatics, or biopharmaceuticals.

Features

The MMBT4401 is a popular NPN bipolar junction transistor (BJT) used in various electronic applications. Key features include:
1. Type: NPN transistor.
2. Voltage Rating: Maximum collector-emitter voltage (Vce) is typically 40V.
3. Current Rating: Maximum collector current (Ic) is about 1A, making it suitable for moderate power applications.
4. Gain: The transistor offers a current gain (hFE) ranging from 100 to 600, depending on the specific model and operating conditions.
5. Package: Commonly found in TO-92 package, which is compact and easy to handle.
6. Frequency: Transition frequency (fT) is around 250 MHz, making it suitable for high-frequency applications.
7. Applications: Widely used in switching, amplification, and signal processing circuits.
Its robustness and versatility make the MMBT4401 a favored choice for both hobbyists and professional engineers.

Package

The MMBT4401 is typically available in a SOT-23 package type, which is a small surface-mount plastic package. It is commonly used for general-purpose switching and amplification in electronic circuits.

Pinout

The MMBT4401 is a NPN bipolar junction transistor (BJT) commonly used in low-power switching and amplification applications. It typically comes in a TO-92 package, which has three pins.
Pin Count: 3
Pin Functions:
1. Emitter (E): This is the terminal through which the charge carriers (electrons for NPN) exit the transistor. It's often connected to ground in a common-emitter configuration.
2. Base (B): This terminal controls the transistor's operation. A small current applied to the base allows a larger current to flow from the collector to the emitter.
3. Collector (C): This is the terminal through which the majority of the current flows into the transistor. It collects the charge carriers from the emitter when the transistor is in the "on" state.
The MMBT4401 is suitable for various applications, including amplifiers and switches in electronic circuits.

Manufacturer

The MMBT4401 is manufactured by various semiconductor companies, with Fairchild Semiconductor (now part of ON Semiconductor) being one of the notable producers. The MMBT4401 is a NPN bipolar junction transistor (BJT) commonly used for switching and amplification in electronic circuits.
Fairchild Semiconductor, established in 1957, specializes in the design and manufacturing of a wide range of semiconductor products, including transistors, diodes, and integrated circuits. The company is known for its innovation in power management, analog, and optoelectronic devices. After being acquired by ON Semiconductor in 2016, it continues to operate within the broader portfolio of ON Semiconductor, which is a leading global supplier of semiconductor-based solutions for various applications, including automotive, industrial, and consumer electronics.

Application

The MMBT4401 is a NPN bipolar junction transistor commonly used in various applications, including signal amplification, switching circuits, and general-purpose electronic devices. It is suitable for low to medium power applications, such as audio amplification, LED drivers, and relay drivers. Its fast switching speed and moderate current handling make it ideal for use in consumer electronics, computing, and communication devices.

Equivalent

The MMBT4401 is a general-purpose NPN bipolar junction transistor (BJT). Equivalent products include the 2N4401, MPS2222, and BC547. These transistors can typically be used interchangeably in many applications, but always verify specifications such as voltage, current ratings, and package type for compatibility.