STN790A-E - Low Voltage Fast-switching NPN Power Transistor

The STN790A-E is a high-performance NPN power transistor from the reputable semiconductor manufacturer STMicroelectronics. This device is designed to deliver efficient power control and amplification in various electronic applications. With its low voltage operation and fast-switching capabilities, the STN790A-E is an ideal component for power management tasks in compact and energy-sensitive circuits.

Key Features

• Low Collector-Emitter Saturation Voltage: The transistor is engineered to have a low V<sub>CE(sat), which minimizes power loss and improves efficiency during operation.
• High Current Capability: The STN790A-E can handle continuous collector currents up to 3 A, making it suitable for driving moderate loads.
• Fast Switching Speed: It offers quick transition times, which enables high-frequency operation and reduces switching losses.
• High Ruggedness: Its robust design ensures reliability and longevity, even under stressful conditions.

Applications

The STN790A-E transistor is versatile and can be used in a wide array of applications, including:

• Power Supply Circuits
• DC-DC Converters
• Motor Control Systems
• LED Lighting Solutions
• Switching Regulators

Product Specifications

Parameter Value Collector-Emitter Voltage (V<sub>CEO) 40 V Collector Current (I<sub>C) 3 A Power Dissipation (P<sub>D) 40 W Transition Frequency (f<sub>T) 100 MHz Package TO-252 (DPAK)

The STN790A-E is available in a TO-252 (DPAK) package, which is known for its compact footprint and excellent thermal performance. This makes it a suitable choice for space-constrained applications requiring efficient heat dissipation.