What is the Additional Feature ?

Name: BLF278/01,112
Brand: Ampleon USA Inc.
SKU: BLF278/01,112
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

Any Feature, including a modified Existing Feature, that is not an Existing Feature.

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Ampleon USA Inc. BLF278/01,112

Part No.:: BLF278/01,112

Manufacturer:: Ampleon USA Inc.

Package:: SOT-262A1

Datasheet:: BLF278/01,112.pdf

Description:: RF FET 2 NC 125V 22DB SOT262A1

In Stock:: 2151

Quantity:: Add To Cart

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BLF278/01,112 Specifications

Packaging:
Tube
Series:
-
ProductStatus:
Obsolete
TransistorType:
2 N-Channel (Dual) Common Source
Frequency:
108MHz
Gain:
22dB
Voltage-Test:
50 V
CurrentRating(Amps):
18A
NoiseFigure:
-
Current-Test:
100 mA
Power-Output:
300W
Voltage-Rated:
125 V

BLF278/01,112 this integrated circuit is available in factory sealed anti static packs. at icwhale.com. Please read product page below detail information. including BLF278/01,112 price, data-sheet, in-stock availability, technical difficulties. Also. Quickly Enter the access of compare listing to find out replaceable electronic parts. If you want to retrieve comprehensive data for BLF278/01,112 to optimize the supply chain (including cross references, life-cycle, parametric, counterfeit risk, obsolescence managements forecasts), please contact to our Tech-supports team.

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BLF278/01,112 information

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BLF278/01,112 Typical application Circuitry

The BLF278/01,112 is a power MOSFET designed specifically for RF applications, notably in broadcast transmitters and RF energy applications. Its capabilities allow it to operate effectively at high frequencies, offering a blend of high power and efficiency.

Key Features and Specifications:

- Frequency Range: Optimized for operations up to 300 MHz, making it suitable for VHF and lower UHF applications.

- Output Power: Can deliver up to 300 Watts, which is ideal for high-power applications.

- Gain: Offers a power gain, ensuring effective signal amplification.

- Efficiency: High efficiency, crucial for reducing operational costs and improving system reliability.

- Thermal Resistance: Designed with a low thermal resistance, facilitating better heat dissipation.

Application Scenario: Broadcast Transmitter

In a broadcast transmitter, the BLF278/01,112 is often used in the power amplifier stage to boost the radio frequency (RF) signals before they are transmitted via the antenna.

Detailed Circuit Connection:

1. Power Supply Connection:

- Vdd (Source, typically the middle pin of BLF278/01,112): Connect to the power supply with a filtering capacitor to stabilize the voltage and filter out high-frequency noise.

2. Input Signal Connection:

- Gate (Input, typically the left pin when facing the text on the BLF278/01,112): This pin receives the modulated RF input signal. It should be connected through a bias network for proper biasing and an RF input matching network to ensure that the signal is effectively transferred into the MOSFET.

3. Output Signal Connection:

- Drain (Output, typically the right pin): The amplified RF output is taken from this pin. Use an RF choke to prevent DC from reaching the subsequent stages or antenna and include an output matching network for optimal power transfer.

4. Biasing and Gate Protection:

- Setting the Gate Bias for the BLF278/01,112: Proper gate biasing is crucial. Include a gate bias resistor and potentially a gate voltage regulator to ensure stable operation under varying conditions.

5. Cooling Considerations:

- Mounting and Heat Sinking: Given the high power levels, it is critical to mount the BLF278/01,112 on a robust heat sink with appropriate thermal interface material to ensure effective heat dissipation.

Design Considerations:

- Circuit Layout for BLF278/01,112: Design the layout to minimize stray inductances and capacitances. Ensure thick traces for high current paths.

- Protection Mechanisms: It is essential to incorporate protection mechanisms such as a VSWR (Voltage Standing Wave Ratio) protection circuit for handling reflected power due to antenna mismatch.

- Impedance Matching: Critical for ensuring that the maximum power is delivered to the load, which in this scenario is typically an antenna.

Using the BLF278/01,112 in a broadcast transmitter allows for efficient transmission of high-power RF signals, critical in broadcasting scenarios where reliability and coverage are paramount. This setup ensures that the BLF278/01,112's capabilities are fully utilized to achieve long-range and effective communication.

BLF278/01,112 FAQ

1. How to order BLF278/01,112 on icwhale.com?

Currently, icwhale.com only provide peer-to-peer order processing. While you submit the RFQ, our professional agent will contact you with the competitive prices in the global market, and our agent will prompt you to finish the order if you accept our offers.

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We have a professional and experienced quality control team to strictly verify and test the BLF278/01,112. All suppliers must pass our qualification reviews before they can publish their products including BLF278/01,112 on icwhale.com; we pay more attention to the channels and quality of BLF278/01,112 products than any other customer. We strictly implement supplier audits, so you can purchase with confidence.

3. Are the BLF278/01,112 price and inventory displayed accurate?

The price and inventory of BLF278/01,112 fluctuates frequently and cannot be updated in time, it will be updated periodically within 24 hours. And, our quotation usually expires after 5 days.

4. What forms of payment are accepted?

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Warm Tips: It may take up to 24 hours for the carriers to display tracking information. Usually, express delivery takes 3-5 days, and registered mail takes 25-60 days.

6. What is the process for return or replacement of BLF278/01,112?

All goods will implement Pre-Shipment Inspection (PSI), selected at random from all batches of your order to do a systematic inspection before arranging the shipment. If there is something wrong with the BLF278/01,112 we delivered, we will accept the replacement or return of the BLF278/01,112 only when all of the below conditions are fulfilled:

(1)Such as a deficiency in quantity, delivery of wrong items, and apparent external defects (breakage and rust, etc.), and we acknowledge such problems.

(2)We are informed of the defect described above within 90 days after the delivery of BLF278/01,112.

(3)The PartNo is unused and only in the original unpacked packaging.

Two processes to return the products:

(1)Inform us within 90 days

(2)Obtain Requesting Return Authorizations