C4977 is an NPN type cathode common junction transistor manufactured by INCHANGE Semiconductor. This transistor is used in low-voltage and high-current applications, primarily performing power amplification and switching functions.
Part number : 2SC4977
Functions : 450V, 7A, NPN Power Transistor
Package information : TO-220F Type
Manufacturer : INCHANGE Semiconductor
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Description
C4977 NPN transistor refers to an NPN bipolar junction transistor capable of handling a maximum voltage of 450V and a maximum current of 7A. NPN transistors are commonly used in various electronic circuits for amplification, switching, and signal processing.
This type of transistor operates by controlling the flow of current between its collector, base, and emitter terminals. When a positive voltage is applied between the base and emitter, it allows current to flow from the collector to the emitter, thus amplifying or switching the current based on the input signal.
Functions
1. Collector-Emitter Sustaining Voltage- : VCEO(SUS)= 400V(Min)
2. Fast Switching Speed
3. Collector-Emitter Saturation Voltage- : VCE(sat)= 0.8V(Max.)@ IC= 4.0A
Pinout
Absolute maximum ratings ( Ta=25°C )
1. Collector to Base Voltage : Vcbo = 450 V
2. Collector to Emitter Voltage : Vceo = 450 V
3. Emitter to Base Voltage : Vebo = 8 V
4. Collector Current : Ic = 7 A
5. Total Dissipation : Pc = 40 W
6. Junction Temperature : Tj = 150°C
7. Storage Temperatue : Tsg = -55 ~ +150°C
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’s, inverters, DC-DC converter.
Other data sheets within the file : 2SC4977
C4977 Datasheet PDF Download
Related Semiconductors
Part Number : 2SC4977
Manufacturer : ETC
Function : MOLD TYPE BIPOLAR TRANSISTORS
Description : INCHANGE Semiconductor
isc Product Specification
isc Silicon NPN Power Transistor
2SC4977
DESCRIPTION ·Collector-Emitter Sustaining Voltage: VCEO(SUS)= 400V(Min) ·Fast Switching Speed ·Collecto [ … ]
External link : C4977 Datasheet search site
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