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Name: BLF245,112
Brand: Ampleon USA Inc.
SKU: BLF245,112
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. BLF245,112

Part No.:: BLF245,112

Manufacturer:: Ampleon USA Inc.

Package:: SOT-123A

Datasheet:: BLF245,112.pdf

Description:: RF FET NCHA 65V 15.5DB SOT123A

In Stock:: 3430

Quantity:: Add To Cart

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BLF245,112 Specifications

Packaging:
Tray
Series:
-
ProductStatus:
Obsolete
TransistorType:
N-Channel
Frequency:
175MHz
Gain:
15.5dB
Voltage-Test:
28 V
CurrentRating(Amps):
6A
NoiseFigure:
2dB
Current-Test:
50 mA
Power-Output:
30W
Voltage-Rated:
65 V

BLF245,112 this integrated circuit is available in factory sealed anti static packs. at icwhale.com. Please read product page below detail information. including BLF245,112 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 BLF245,112 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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BLF245,112 information

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BLF245,112 Typical application Circuitry

The BLF245,112 is a VHF power MOS transistor designed primarily for broadband applications up to 300 MHz. It is well-suited for push-pull applications, offering high power gain and high efficiency, making it ideal for VHF communications equipment.

Key Features and Specifications:

- Frequency Range: The BLF245,112 operates effectively up to 300 MHz, making it suitable for VHF applications.

- Output Power: Capable of delivering 20 Watts of power, which is significant for communication applications.

- Gain: High power gain is one of the standout features, ensuring effective signal amplification.

- Efficiency: Features a high efficiency, which is beneficial in reducing overall power consumption and heat generation.

- Ruggedness: It can handle a mismatch under all phase angles with a VSWR up to 10:1.

Application Scenario: VHF Marine Radio Transmitter

In a marine VHF radio transmitter, the BLF245,112 is utilized in the final stage power amplifier to amplify the RF communication signals.

Detailed Circuit Connection:

1. Power Supply Connection:

- Vdd (Source, typically pin 3 of BLF245,112): Connect to a positive voltage supply. Place a large capacitor close to this pin to ensure voltage stability and to act as a filter for any high-frequency noise.

2. Input Signal Connection:

- Gate (Input, typically pin 1 of BLF245,112): This is where the modulated RF input signal is applied. A biasing network is used to set the gate voltage to the desired operating point, and a coupling capacitor should be included to block DC components.

3. Output Signal Connection:

- Drain (Output, typically pin 2 of BLF245,112): The amplified RF output is taken from this pin. An RF choke is used to keep DC from reaching the load, and a matching network is crucial for optimizing power transfer.

4. Biasing Setup:

- Adjusting the Gate Bias of BLF245,112: It's crucial to set the gate-source voltage to ensure the device operates in the desired amplification class. For linear applications, a Class A bias might be appropriate.

5. Thermal Management:

- Cooling for BLF245,112: Given the power levels involved, it is critical to mount the BLF245,112 on an adequate heat sink to maintain thermal stability and ensure long-term reliability.

Design Considerations:

- PCB Design for BLF245,112: Design the PCB with low inductance and adequate trace widths to handle the current without significant losses.

- Protection Mechanisms: Implement protection circuits to guard against over-voltage, over-current, and excessive input power which could potentially damage the BLF245,112.

- Impedance Matching: Critical to ensure that the power amplifier can deliver the maximum possible power to the load (antenna) effectively across the operating bandwidth.

- Stability Measures: Add stability-enhancing elements such as feedback resistors or neutralization if needed to prevent oscillations.

Using the BLF245,112 in a marine VHF transmitter setup facilitates robust and reliable communication crucial for marine safety and operational efficiency, leveraging its high power and efficiency for effective signal transmission over water.

BLF245,112 FAQ

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3. Are the BLF245,112 price and inventory displayed accurate?

The price and inventory of BLF245,112 fluctuates frequently and cannot be updated in time, it will be updated periodically within 24 hours. And, our quotation usually expires after 5 days.

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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 BLF245,112?

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 BLF245,112 we delivered, we will accept the replacement or return of the BLF245,112 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 BLF245,112.

(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