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Name: PD55008TR
Brand: STMicroelectronics
SKU: PD55008TR
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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STMicroelectronics PD55008TR

Part No.:: PD55008TR

Manufacturer:: STMicroelectronics

Package:: PowerSO-10 Exposed Bottom Pad

Datasheet:: PD55008TR.pdf

Description:: FET RF 40V 500MHZ PWRSO-10

In Stock:: 3862

Quantity:: Add To Cart

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PD55008TR Specifications

Packaging:
Tape & Reel (TR)
Series:
-
ProductStatus:
Obsolete
TransistorType:
LDMOS
Frequency:
500MHz
Gain:
17dB
Voltage-Test:
12.5 V
CurrentRating(Amps):
4A
NoiseFigure:
-
Current-Test:
150 mA
Power-Output:
8W
Voltage-Rated:
40 V

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PD55008TR information

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PD55008TR Typical application Circuitry

PD55008TR

The PD55008TR is an RF power transistor designed for high-efficiency applications requiring RF power amplification. It's commonly used in RF communication systems, such as mobile radio transmitters, base stations for cellular networks, and other devices that require efficient, high-power RF amplification.

Key Features of the PD55008TR:

- RF Power Output: Delivers substantial RF power, facilitating effective signal amplification in communication systems.

- High Efficiency: Optimizes power usage, reducing energy consumption and heat generation.

- Broadband Operation: Capable of operating across a wide range of frequencies, providing flexibility in application use.

- Durability: Constructed to endure rigorous operating conditions, ensuring reliability and longevity.

Application Scenario: Mobile Radio Transmitter

Implementing the PD55008TR in a mobile radio transmitter illustrates its capabilities in RF amplification. Below is a detailed circuit integration guide for using the PD55008TR in this context:

1. Power Supply Provision:

- Adequate Voltage Supply: It's essential to connect the PD55008TR's drain terminal to a power supply that can provide the required voltage for the transistor to achieve its maximum output power. This connection is critical for the overall efficiency and performance of the device.

2. Biasing the Gate:

- Proper Bias Voltage: Applying the correct bias voltage to the gate terminal of the PD55008TR is crucial. This step ensures the transistor operates within its optimal range, balancing efficiency and linearity in signal amplification.

3. Input Signal Coupling:

- Efficient Signal Introduction: For minimal signal loss and optimal gain, the input RF signal must be efficiently coupled to the PD55008TR's gate terminal. This usually involves an input matching network that adjusts the signal source's impedance to match that of the transistor, often utilizing capacitors and inductors for this purpose.

4. Output Matching for Load:

- Effective Power Transfer: Designing an output matching network between the PD55008TR's drain terminal and the output load is crucial for maximizing power transfer and efficiency. This network, typically consisting of inductors and capacitors, is fine-tuned to match the transistor's output impedance to that of the load, such as an antenna.

5. Thermal Management:

- Heat Dissipation Measures: Given the high-power operation of the PD55008TR, an efficient heat dissipation strategy is mandatory. This involves mounting the transistor on an appropriately sized heat sink and considering additional cooling measures if necessary, such as forced air or liquid cooling.

Design Considerations:

Designing a circuit with the PD55008TR involves attention to several key aspects:

- Stability Consideration: Ensure the circuit remains stable across all operating frequencies to prevent oscillations or signal distortion.

- Protective Circuits: Incorporating protective circuits to shield the PD55008TR from overcurrent, overvoltage, and excessive heat is crucial for maintaining its integrity and reliability.

- Harmonic Suppression: Implementing measures to control harmonics, either through filtering or other techniques, is necessary to comply with emission standards and avoid interference with other equipment.

By carefully integrating the PD55008TR into a mobile radio transmitter and addressing these design considerations, engineers can create efficient, high-performance RF amplifiers. These amplifiers fully utilize the capabilities of the PD55008TR, meeting the stringent requirements of modern RF communication systems.

PD55008TR FAQ

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3. Are the PD55008TR price and inventory displayed accurate?

The price and inventory of PD55008TR 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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6. What is the process for return or replacement of PD55008TR?

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 PD55008TR we delivered, we will accept the replacement or return of the PD55008TR 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 PD55008TR.

(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