The EMT2T2R is a transistor array manufactured by Rohm Semiconductor. It consists of two NPN transistors in a single SOT-363 package, designed to reduce board space and component count in various electronic applications. This array is suitable for applications where multiple transistors are needed, such as in amplifier circuits, switching circuits, and digital logic circuits.

Applications:

• Amplifier Circuits: Used in small-signal amplifier stages where dual transistors provide better gain or stability.
• Switching Circuits: Employed as switching elements in electronic circuits, such as inverters or level shifters.
• Digital Logic Circuits: Utilized in logic gates and other digital circuits requiring multiple transistors.
• Current Mirrors: Integrated into current mirror configurations for biasing and current regulation.
• Driver Circuits: Used as driver transistors for various loads, such as LEDs or small relays.

Features:

• Dual NPN Transistors: Contains two NPN transistors in a single package, saving board space.
• Small SOT-363 Package: Compact surface-mount package for high-density circuit designs.
• Low Saturation Voltage: Ensures efficient switching and minimal power loss.
• High Current Gain (hFE): Provides high amplification for signal amplification.
• Fast Switching Speed: Allows for quick switching operations in various applications.

Benefits:

• Reduced Board Space: Integrates two transistors into a single package, minimizing PCB footprint.
• Simplified Circuit Design: Simplifies circuit layout and reduces component count.
• Improved Reliability: High-quality construction ensures reliable performance in diverse conditions.
• Cost-Effective: Combines the functionality of two transistors at a lower cost than using discrete components.
• Enhanced Efficiency: Low saturation voltage and high current gain contribute to overall circuit efficiency.

Technical Specifications:

While specific electrical characteristics can vary based on the specific production batch and any sub-variants, typical specifications for similar Rohm transistor arrays in SOT-363 packages include a collector-emitter voltage (VCEO) in the range of 50V, a collector current (IC) of around 100-200mA, and a power dissipation (PD) of about 200-300mW. The current gain (hFE) typically ranges from 100 to 300, depending on the operating conditions. The operating temperature range is usually from -55°C to +150°C.

The EMT2T2R is a versatile component suitable for a wide range of electronic applications. Its dual transistor configuration, compact package, and excellent electrical characteristics make it a popular choice for designers looking to optimize space and performance in their circuits.