Transistor C2553 NPN 5A 400V

Overview

The Transistor C2553 is a high-voltage, high-current NPN bipolar junction transistor (BJT) specially designed for power switching, high-speed amplification, and horizontal deflection circuits. It supports a collector current of up to 5 amperes and a collector-emitter voltage of 400 volts, making it a perfect choice for television circuits, inverter designs, and power regulators.
Moreover, the Transistor C2553 is built using epitaxial planar technology, which provides excellent switching speed, low saturation voltage, and high breakdown voltage.
Consequently, it is widely used in industrial electronics, consumer power equipment, and audio amplifier systems, where efficiency, reliability, and thermal performance are critical.

Key Features

• Transistor Type: NPN

• Collector–Emitter Voltage (V_CEO): 400 V

• Collector–Base Voltage (V_CBO): 700 V

• Emitter–Base Voltage (V_EBO): 5 V

• Collector Current (I_C): 5 A

• Power Dissipation (P_tot): 40 W

• DC Current Gain (h_FE): 8 – 60

• Transition Frequency (f_T): 4 MHz typical

• Package Type: TO-3P or TO-220 for superior heat dissipation

Additionally, the Transistor C2553 provides low collector-emitter saturation voltage and excellent switching performance, which help minimize energy loss and enhance system efficiency. Its rugged silicon structure allows stable operation under high current and temperature conditions.

Typical Applications

The Transistor C2553 is used in a wide range of high-power and high-voltage circuits, such as:

• Horizontal deflection circuits in CRT and television displays

• Power amplifier output stages

• Switching power supplies and converters

• Inverters and motor control systems

• Voltage regulator and feedback control circuits

• Relay and solenoid driver circuits

Furthermore, due to its fast switching characteristics and wide safe operating area (SOA), the Transistor C2553 is a reliable solution for demanding high-voltage switching applications.

Electrical Characteristics (at T_a = 25 °C)

Advantages

• High voltage capacity (400V) and strong current handling (5A).

• Low saturation voltage ensures energy-efficient operation.

• Fast switching speed, suitable for pulse and control circuits.

• Excellent thermal stability in continuous high-load conditions.

• Moreover, the Transistor C2553 provides reliable performance in both amplifier and switching roles, ensuring long service life and operational consistency.

Summary

In summary, the Transistor C2553 is a high-power NPN transistor designed for high-voltage and high-current applications. With a 400V collector-emitter voltage, 5A collector current, and TO-3P package, it offers durability, efficiency, and speed in one robust design.
Therefore, whether used in television deflection circuits, audio amplifiers, or industrial switching systems, the Transistor C2553 guarantees stable, efficient, and reliable performance under heavy-duty conditions.