The MMBTA55-RTK/P is a PNP bipolar junction transistor (BJT) manufactured by KEC (Korea Electronics Co., Ltd.). It's designed for general-purpose amplification and switching applications, especially in low to medium power circuits. The device is offered in a SOT-23 package for surface mount applications, allowing for compact and efficient circuit designs.

Applications:

• General-purpose amplification
• Switching circuits
• Driver stages
• Load switches
• Signal inverting

Features:

• High Collector-Emitter Voltage (VCEO): Provides high voltage handling capability.
• High Collector Current (IC): Supports medium current levels for driving loads.
• Low Saturation Voltage: Ensures efficient switching performance with minimal power loss.
• Surface Mount Package: Facilitates automated assembly and compact designs.
• PNP Transistor: Suitable for inverting and low-side switching configurations.

Benefits:

• Versatile Application: Suitable for a wide range of amplification and switching tasks.
• High Performance: Offers high voltage and current handling capabilities.
• Efficient Switching: Low saturation voltage minimizes power dissipation.
• Compact Design: Small SOT-23 package allows for space-saving circuit layouts.
• Simplified Assembly: Surface mount technology allows automated assembly.

Technical Specifications:

The MMBTA55-RTK/P features a collector-emitter voltage (VCEO) of -80V, a collector current (IC) of -500mA, and a saturation voltage (VCE(sat)) of approximately -0.25V at a collector current of -100mA. The transition frequency (fT) is typically 50MHz. It operates over a temperature range of -55°C to +150°C and is packaged in a SOT-23 surface mount package. The MMBTA55 provides reliable performance in demanding circuits requiring a PNP transistor.