BUK138-50DL/C1,118

Product Overview

Category: Power MOSFET
Use: Switching applications
Characteristics: High voltage, low on-resistance
Package: TO-252 (DPAK)
Essence: Power transistor
Packaging/Quantity: Tape and reel, 2,500 units per reel

Specifications

• Drain-source voltage (Vds): 500V
• Continuous drain current (Id): 8A
• On-state resistance (Rds(on)): 0.5Ω
• Gate-source voltage (Vgs): ±20V
• Total power dissipation (Ptot): 40W
• Operating temperature range: -55°C to +150°C

Detailed Pin Configuration

The BUK138-50DL/C1,118 MOSFET has three pins:

1. Pin 1: Gate (G)
2. Pin 2: Drain (D)
3. Pin 3: Source (S)

Functional Features

• High voltage capability allows for use in various applications.
• Low on-resistance minimizes power losses and improves efficiency.
• Fast switching speed enables high-frequency operation.
• Excellent thermal performance ensures reliable operation.

Advantages and Disadvantages

Advantages: - High voltage rating suitable for demanding applications. - Low on-resistance reduces power dissipation. - Fast switching speed enables efficient operation. - Good thermal characteristics ensure reliability.

Disadvantages: - Relatively high cost compared to lower voltage MOSFETs. - Limited availability in certain markets.

Working Principles

The BUK138-50DL/C1,118 is a power MOSFET that operates based on the principle of field-effect transistors. When a positive voltage is applied to the gate terminal, it creates an electric field that controls the flow of current between the drain and source terminals. By varying the gate voltage, the MOSFET can be turned on or off, allowing or blocking the current flow.

Detailed Application Field Plans

The BUK138-50DL/C1,118 is commonly used in the following applications:

1. Power supplies: The high voltage capability and low on-resistance make it suitable for switching power supplies.
2. Motor control: It can be used in motor drive circuits to control the speed and direction of motors.
3. Lighting systems: The MOSFET can be employed in lighting applications such as LED drivers and dimming circuits.
4. Industrial automation: It finds use in various industrial automation systems, including robotics and control circuits.

Detailed and Complete Alternative Models

1. IRF840: Similar power MOSFET with a higher voltage rating (Vds = 500V) and lower on-resistance (Rds(on) = 0.27Ω).
2. STP16NF06L: Power MOSFET with a lower voltage rating (Vds = 60V) and lower on-resistance (Rds(on) = 0.08Ω).
3. FDPF7N50NZ: Power MOSFET with a higher voltage rating (Vds = 500V) and lower on-resistance (Rds(on) = 0.6Ω).

These alternative models offer similar functionality and can be considered based on specific application requirements.

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