What is C4977?
This is a type of transistor that is commonly used in electronic circuits for amplification and switching applications. It is a bipolar junction transistor (BJT) that has a maximum collector current of 7A and a maximum collector-base voltage of 400V.
Part Number: C4977, 2SC4977
Function: 400 V, 7A, NPN Power Transistor
Package: TO-220F Type
Manufacturer: INCHANGE Semiconductor
Image and Pinouts:
Description:
This is 400V, 7A, NPN Transistor. It is a versatile transistor that can be used in a wide range of electronic circuits for amplification and switching purposes.
Advantages
1. High current gain: High current gain, which makes it suitable for use in low-power amplifier circuits.
2. High cutoff frequency: The transistor has a high cutoff frequency, which allows it to be used in high-frequency applications such as RF circuits and oscillators.
3. Low noise: It has low noise characteristics, making it ideal for use in audio amplifier circuits.
Applications:
Designed for use in high-voltage, high-speed, power switching in inductive circuit , they are particularly suited for 115 and 220V switchmode applications such as switching regulator
Absolute maximum ratings ( Ta=25°C )
1. Collector to Base Voltage: Vcbo = 450 V
2. Collector to Emitter Voltage: Vceo = 400 V
3. Emitter to Base Voltage: Vebo = 8 V
4. Collector Current: Ic = 7 A
5. Collector Dissipation : Pc = 40 W
6. Junction Temperature: Tj = 150°C
7. Storage Temperature: Tsg = -55 ~ +150°C
C4977 Datasheet PDF Download
Other data sheets are available within the file: 2SC4977
