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BLF404

Name: BLF404
Rating: 4.7 (12 reviews)

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規格

Brand	Ampleon
Subcategory	MOSFETs
Minimum Operating Temperature	- 65 C
Maximum Operating Temperature	+ 150 C
Mounting Style	SMD/SMT
Product Type	RF MOSFET Transistors
Technology	Si
Id - Continuous Drain Current	1.5 A
Vds - Drain-Source Breakdown Voltage	40 V
Operating Frequency	500 MHz
Gain	11.5 dB
Output Power	4 W
Type	RF Power MOSFET
Vgs - Gate-Source Voltage	+ 20 V
Packaging	Reel
Transistor Polarity	N-Channel
Rds On - Drain-Source Resistance	2.7 Ohms
Package / Case	SOT-409A
Channel Mode	Enhancement
Configuration	Single
Fall Time	15 ns
Height	2.36 mm
Length	5.94 mm
Rise Time	46 ns
Width	4.93 mm
Vgs th - Gate-Source Threshold Voltage	4.5 V
Pd - Power Dissipation	8.3 W

概述

Description

BLF404 is a high-performance LDMOS (laterally diffused metal-oxide-semiconductor) transistor designed for RF power amplification applications, particularly in the VHF and UHF frequency ranges. It is commonly used in various communication systems, including broadcast transmitters, industrial RF applications, and amateur radio. The BLF404 features high efficiency and robustness, allowing it to handle significant output power levels while maintaining thermal stability.
Key characteristics include a wide frequency range, typically from 30 MHz to 520 MHz, a maximum output power of around 400 watts, and a high power gain. The device is housed in a rugged package that ensures reliable operation in demanding environments.
Overall, BLF404 is appreciated for its performance, efficiency, and reliability, making it a popular choice among engineers and hobbyists working with RF amplification.

Features

The BLF404 is a high-performance N-channel MOSFET designed for power applications. Key features include:
1. Voltage Rating: It typically has a maximum drain-source voltage (V_DS) of around 40V.
2. Current Rating: Supports continuous drain current (I_D) of up to 30A, making it suitable for various high-power applications.
3. Low On-Resistance: The device boasts a low R_DS(on) value, typically around 10-15 mΩ, which minimizes power loss and heat generation during operation.
4. Fast Switching Speed: Designed for efficient switching, it can operate effectively at high frequencies.
5. Thermal Performance: The MOSFET features a robust thermal performance with a high maximum junction temperature, enabling reliable operation in demanding conditions.
6. Package Type: Commonly available in TO-220 or similar packages for easy heatsinking and mounting.
These characteristics make the BLF404 suitable for applications such as DC-DC converters, motor drivers, and audio amplifiers.

Package

The BLF404 is typically packaged in a TO-220 form factor. This package type features a metal tab for heat dissipation and is commonly used for high-power applications, providing good thermal performance and ease of mounting on heat sinks.

Pinout

The BLF404 is a high-power N-channel MOSFET primarily used for RF amplification applications. It typically comes in a TO-220 package, featuring a pin count of 3. The pin configuration includes:
1. Gate (G): This pin controls the MOSFET's operation, allowing it to switch on or off based on the voltage applied.

2. Drain (D): This is the output pin where the main current flows through the device when it is in the ON state.
3. Source (S): This pin is connected to the ground or the negative supply voltage, completing the circuit for current flow.
The BLF404 is designed for high-efficiency performance in RF applications, making it suitable for use in amplifiers and transmitters operating in the VHF and UHF bands. Its robust design allows for high power handling and thermal performance.

Manufacturer

The BLF404 is manufactured by NXP Semiconductors, a global semiconductor company headquartered in Eindhoven, Netherlands. NXP specializes in designing and producing a wide range of semiconductor solutions, including microcontrollers, processors, and RF amplifiers. The company serves various sectors such as automotive, industrial, and Internet of Things (IoT), focusing on enabling secure connections and infrastructure for a smarter world. NXP is known for its innovation in high-performance analog and digital solutions, playing a significant role in the advancement of various technologies.

Application

The BLF404 is a high-power RF transistor primarily used in applications such as industrial heating, RF amplifiers, and broadcasting. Its capabilities make it suitable for use in amateur radio, telecommunication systems, and various RF transmission systems, particularly in the 400 MHz to 1 GHz frequency range. Additionally, it can be utilized in scientific research and medical equipment that require high-frequency power amplification.

Equivalent

The BLF404 chip is a high-power RF transistor primarily used for amplifying signals in communication applications. Equivalent products include the MRF150, BLP10, and MRFE6VP61K25H. These alternatives may vary in specifications such as frequency range and power output, so it's essential to consult datasheets for compatibility in specific applications.