This post explains for the transistor.

The Part Number is C5404, 2SC5404.

The function of this semiconductor is 600V, NPN Transistor.

Manufacturer: Toshiba Semiconductor

Images and pinout

Description

The C5404 is NPN Triple Diffused Mesa Type transistor. An NPN Triple Diffused Mesa Type transistor refers to a specific type of NPN (Negative-Positive-Negative) bipolar junction transistor (BJT) that utilizes a triple diffused mesa structure in its construction. This type of transistor is designed to provide enhanced performance and characteristics compared to standard NPN transistors.

Features:

1. High Voltage : VCBO = 1500 V
2. Low Saturation Voltage : VCE (sat) = 3 V (Max.)
3. High Speed : tf = 0.15 µs (Typ.)
4. Collector Metal (Fin) is Fully Covered with Mold Resin.

Absolute maximum ratings ( Tc=25°C )

1. Collector to Base Voltage: Vcbo = 1500 V
2. Collector to Emitter Voltage: Vceo = 600 V
3. Emitter to Base Voltage: Vebo = 5 V
4. Collector Current: Ic = 9 A
5. Total Dissipation : Pc = 50 W
6. Junction Temperature: Tj = 150°C
7. Storage Temperature: Tsg = -55 ~ +150°C

NPN triple diffused mesa type transistors are commonly used in high-power and high-frequency applications, such as audio amplifiers, power supplies, RF (Radio Frequency) circuits, and other demanding electronic circuits. The triple diffused and mesa structure design enhances the transistor’s performance in terms of breakdown voltage, gain, and overall efficiency.

Applications:

1. Horizontal Deflection output for high resolution
2. High Speed Switching

C5404 PDF Datasheet

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