DTA143ZCA-HF NPN Transistor 3-Pin SOT-23 Package | High Frequency Amplifier

DTA143ZCA-HF Overview

The DTA143ZCA-HF is a high-performance PNP bipolar transistor designed for general-purpose amplification and switching applications. Featuring a robust gain bandwidth suitable for medium frequency operation, this device delivers reliable performance in industrial and consumer electronics. It supports collector currents up to 1.5A and exhibits low saturation voltage, enhancing efficiency in power-sensitive designs. Its SOT-223 package ensures thermal stability and ease of PCB integration. Ideal for use in driver stages, voltage regulators, and amplifier circuits, the transistor offers consistent switching characteristics and durability. For sourcing and detailed technical support, consult IC-fabrikant.

DTA143ZCA-HF Technical Specifications

Parameter	Specificatie
Type transistor	PNP Bipolar Junction Transistor (BJT)
Collector-uitgangsspanning (VCEO)	45 V
Collectorstroom (IC)	1.5 A (continuous)
Vermogensverlies (Ptot)	1.5 W
DC stroomversterking (hFE)	40 to 250 (depending on IC)
Overgangsfrequentie (fT)	100 MHz (typisch)
Saturation Voltage (VCE(sat))	0.3 V (max) at IC=500mA
Type verpakking	SOT-223
Bedrijfstemperatuurbereik	-55 °C tot +150 °C

DTA143ZCA-HF Key Features

• High Collector Current Capacity: Supports up to 1.5A continuous current, enabling robust switching and amplification in demanding circuits.
• Laag verzadigingsvoltage: Ensures minimal power loss during operation, improving overall efficiency and thermal performance.
• Wide Frequency Response: With a transition frequency of approximately 100 MHz, it is suitable for medium-frequency amplification and switching tasks.
• Compact SOT-223 Package: Offers enhanced thermal dissipation and simplified PCB layout, facilitating integration into space-constrained designs.

DTA143ZCA-HF Advantages vs Typical Alternatives

This transistor provides a balanced combination of high current capability and low saturation voltage, outperforming many standard PNP BJTs in power efficiency and thermal stability. Its frequency response and gain characteristics enable more precise signal amplification than typical alternatives, while the compact SOT-223 package enhances board-level integration and heat management. These factors contribute to improved reliability and reduced overall system costs in industrial and consumer electronic applications.

Typische toepassingen

• Driver circuits for relays and other electromagnetic loads, where switching efficiency and current capacity are critical for reliable operation in industrial control systems.
• Audio amplifier stages requiring medium frequency response and stable gain for clear sound reproduction.
• Voltage regulator circuits acting as pass transistors to maintain steady output voltages with low dropout losses.
• General-purpose switching in low-to-medium power applications, including power management and signal processing modules.

DTA143ZCA-HF Brand Info

The DTA143ZCA-HF is part of a well-established transistor lineup from a recognized semiconductor manufacturer specializing in reliable discrete components. This product reflects the brand??s commitment to quality and performance in industrial-grade bipolar transistors, providing engineers with dependable solutions for amplification and switching. Its design emphasizes thermal robustness and consistent electrical characteristics, supporting diverse application needs across automation, consumer electronics, and power control sectors.

FAQ

What is the maximum collector current for this transistor?

The maximum continuous collector current rating is 1.5 amperes, which allows the device to handle moderate power loads in switching and amplification tasks without performance degradation.

Which package type does this transistor come in, and what are the benefits?

This transistor is housed in a SOT-223 package. The package offers improved thermal dissipation compared to smaller SOT-23 types, enabling better heat management and easier mounting on printed circuit boards.

Can this transistor be used in high-frequency applications?

Yes, with a transition frequency