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BLF404
+BOM-
Nhà sản xuấtAmpleon
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Ông. Phần #BLF404
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Có sẵn5934
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Thông số kỹ thuật
| thuộc tính | Giá trị |
| Brand | Ampleon |
| Subcategory | MOSFETs |
| Minimum Operating Temperature | - 65 C |
| Maximum Operating Temperature | + 150 C |
| Mounting Type | 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 | 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 |
Tổng quan
Description
Key features of the BLF404 include a high gain, robust thermal management capabilities, and a high breakdown voltage, making it suitable for demanding environments. It can be used in both linear and switching modes, offering versatility for different circuit designs.
Applications include RF amplifiers in base stations, broadcast transmitters, and other RF communication devices. The BLF404's reliability and performance make it a popular choice for engineers looking to optimize their RF systems. Overall, it represents a crucial component for modern RF applications, balancing efficiency, power handling, and linearity.
Equivalent
Features
1. Voltage Rating: Supports a maximum drain-source voltage (Vds) of 40V.
2. Current Capacity: Capable of handling continuous drain current up to 30A, making it suitable for high-power applications.
3. Low On-Resistance (Rds(on)): Typically around 0.14 ohms, ensuring efficient operation with reduced power loss.
4. High Switching Speed: Designed for fast switching applications, it enhances efficiency in RF amplifiers and other high-frequency circuits.
5. Thermal Performance: Features a robust package that allows for effective heat dissipation, crucial for maintaining performance under load.
6. Gate Threshold Voltage: Ensures reliable turn-on characteristics with a threshold voltage around 2-4V.
7. Package Type: Usually available in TO-220 or DPAK packages for easy integration into various designs.
These attributes make the BLF404 ideal for RF amplification and power management applications in consumer electronics and industrial equipment.
Pinout
1. Gate - Controls the MOSFET.
2. Drain - The output terminal where the load is connected.
3. Source - The terminal connected to the ground or negative voltage.
4. Gate (G) - Additional gate connection for stability.
5. Source (S) - Additional source connection for improved performance.
6. Drain (D) - Additional drain connection for better thermal management.
7. Gate (G) - Another gate connection to enhance drive capability.
8. Source (S) - Another source connection for redundancy.
The primary function of the BLF404 is to switch or amplify RF signals in various applications, including transmitters and amplifiers. Its high power handling capability makes it suitable for use in communication devices.