DDTC142TE-7 NPN Transistor Switch – Surface Mount SOT-23 Package

DDTC142TE-7 Overview

The DDTC142TE-7 is a high-performance dual NPN transistor designed for efficient switching and amplification in industrial and consumer electronic applications. Featuring a compact SOT-23 package, it offers robust electrical characteristics suitable for signal processing and driver stages. Its low noise figure and fast switching capabilities ensure reliable operation in high-frequency circuits. Engineers and sourcing specialists will appreciate its compatibility with standard PCB layouts and its balance of power handling and gain. For detailed technical support and sourcing, visit Fabricant de circuits intégrés.

DDTC142TE-7 Technical Specifications

Paramètres	Spécifications
Type de transistor	Double NPN
Paquet	SOT-23
Tension collecteur-émetteur (VPDG)	45 V
Courant de collecteur (IC)	150 mA
Gain Produit de largeur de bande (fT)	100 MHz
Gain en courant continu (hFE)	100 – 300
Fréquence de transition	100 MHz
Dissipation de puissance (Ptot)	350 mW
Plage de température de fonctionnement	De -55°C à +150°C
Capacité d'entrée	2 pF

DDTC142TE-7 Key Features

• Configuration à deux transistors NPN : Enables compact circuit design by integrating two transistors in a single package, reducing PCB footprint and assembly complexity.
• High transition frequency (100 MHz): Supports fast switching and high-frequency amplification, critical for RF and signal processing applications.
• Wide voltage range (up to 45 V): Allows use in various power supply environments, increasing versatility in industrial electronics.
• Robust power dissipation (350 mW): Ensures reliable operation under moderate thermal stress, enhancing device longevity.

DDTC142TE-7 Advantages vs Typical Alternatives

This device offers superior integration with its dual transistor layout in a compact SOT-23 package, optimizing board space. It delivers a favorable balance of gain and switching speed compared to standard single transistors. The high voltage rating and power dissipation make it more reliable in demanding industrial environments, while its low input capacitance minimizes signal distortion, enhancing overall circuit performance.

Applications typiques

• Signal amplification and switching in industrial control circuits requiring compact, reliable dual transistor solutions.
• Driver stages in communication equipment benefiting from high-frequency transitions and low noise.
• General-purpose low-power amplification in consumer electronics with strict space constraints.
• Interface circuits where stable operation across a broad temperature range is essential.

DDTC142TE-7 Brand Info

The DDTC142TE-7 is manufactured by a leading semiconductor provider known for delivering reliable, high-quality discrete components tailored for industrial and consumer electronics. This transistor model reflects the brand??s commitment to precision engineering and consistent performance, making it a preferred choice for engineers seeking dependable dual NPN transistors in compact form factors.

FAQ

What is the maximum collector current for the DDTC142TE-7?

The maximum collector current for this dual NPN transistor is 150 mA. This allows it to handle moderate current loads typical in switching and amplification applications without thermal or electrical stress issues.

Which package type does the DDTC142TE-7 use?

This transistor is housed in the SOT-23 package, a small, surface-mount plastic package ideal for high-density PCB layouts, enabling compact and efficient circuit designs.

What frequency range is suitable for the DDTC142TE-7?

The device supports operation up to a transition frequency of 100 MHz, making it well-suited for RF applications and fast switching circuits requiring high-frequency response.

Can the DDTC142TE-7 operate in harsh temperature conditions?

Yes, it has an operating temperature range from -55??C to +150??C, which makes it suitable for use in demanding environments, including industrial and automotive electronics.

Application	Automatisation industrielle, Télécommunications et réseaux, Essais et mesures