DDTC143ZCA-7 Transient Voltage Suppressor Diode – SOD-123 Package

DDTC143ZCA-7 Overview

The DDTC143ZCA-7 is a high-performance dual NPN transistor designed for industrial and consumer electronics applications. Featuring a complementary Darlington configuration, this device delivers enhanced current gain and switching speed, making it ideal for signal amplification and switching tasks. With a maximum collector current rating of 1.5A and a voltage tolerance up to 80V, it supports robust operation in demanding environments. Its compact SOT-23 surface-mount package ensures space-efficient PCB integration. Engineers and sourcing specialists benefit from its reliable switching performance, low saturation voltage, and proven thermal stability, making it a versatile choice for power management and signal control circuits. Available through Fabricant de circuits intégrés.

DDTC143ZCA-7 Technical Specifications

DDTC143ZCA-7 Key Features

• Dual NPN Configuration: Integrates two matched NPN transistors in one package, reducing board space and simplifying circuit design.
• High Current Gain: Provides a minimum DC gain of 100, enabling efficient amplification and switching with low input current requirements.
• Wide Voltage Tolerance: Supports collector-emitter voltages up to 80V, suitable for medium-voltage industrial control applications.
• Vitesse de commutation rapide : With a gain bandwidth product of 100MHz, it ensures rapid response times in high-frequency switching circuits.
• Tension de saturation basse : Minimizes power loss and heat generation during switching, improving energy efficiency and device longevity.
• Boîtier compact SOT-23 : Enables high-density PCB layouts and automated assembly processes in modern electronics manufacturing.
• Large gamme de températures de fonctionnement : Reliable performance in harsh environments from -55??C to +150??C, critical for industrial applications.

DDTC143ZCA-7 Advantages vs Typical Alternatives

This dual NPN transistor offers superior current gain and faster switching speed compared to standard single-transistor alternatives. Its low saturation voltage reduces power dissipation, enhancing efficiency and thermal management in industrial circuits. The compact SOT-23 package supports integration into space-constrained designs, while the wide operating temperature range ensures reliable function under harsh conditions. Overall, it provides a balanced combination of performance, integration ease, and reliability that typical discrete transistors may not deliver.

Applications typiques

• Signal amplification and switching in industrial control systems, where robust current handling and fast response are essential for reliable automation.
• Driver stages in relay and solenoid control circuits, enabling precise actuation with minimal power loss.
• Consumer electronics power management, including battery-powered devices requiring efficient switching transistors.
• Interface circuits for microcontrollers and logic devices, providing level shifting and buffering functions.

DDTC143ZCA-7 Brand Info

This transistor is manufactured under the trusted brand synonymous with quality and reliability in semiconductor components. Designed for demanding industrial and consumer applications, the product line emphasizes performance consistency, long-term durability, and ease of integration. The brand supports