2SC3978 Datasheet. Specs and Replacement
Type Designator: 2SC3978 📄📄
Material of Transistor: Si
Polarity: NPN
Absolute Maximum Ratings
Maximum Collector Power Dissipation (Pc): 35 W
Maximum Collector-Base Voltage |Vcb|: 1000 V
Maximum Collector-Emitter Voltage |Vce|: 800 V
Maximum Collector Current |Ic max|: 2 A
Max. Operating Junction Temperature (Tj): 150 °C
Electrical Characteristics
Forward Current Transfer Ratio (hFE), MIN: 30
Noise Figure, dB: -
Package: TO218
- BJT ⓘ Cross-Reference Search
2SC3978 datasheet
..1. Size:60K panasonic
2sc3978.pdf 
Power Transistors 2SC3978, 2SC3978A Silicon NPN triple diffusion planar type For high breakdown voltage high-speed switching Unit mm 10.0 0.2 4.2 0.2 Features 5.5 0.2 2.7 0.2 High-speed switching High collector to base voltage VCBO 3.1 0.1 Wide area of safe operation (ASO) Satisfactory linearity of foward current transfer ratio hFE Full-pack package which can be insta... See More ⇒
8.1. Size:60K panasonic
2sc3973.pdf
Power Transistors 2SC3973, 2SC3973A Silicon NPN triple diffusion planar type For high breakdown voltage high-speed switching Unit mm 10.0 0.2 4.2 0.2 Features 5.5 0.2 2.7 0.2 High-speed switching High collector to base voltage VCBO 3.1 0.1 Wide area of safe operation (ASO) Satisfactory linearity of foward current transfer ratio hFE Full-pack package which can be insta... See More ⇒
8.2. Size:60K panasonic
2sc3971.pdf
Power Transistors 2SC3971, 2SC3971A Silicon NPN triple diffusion planar type For high breakdown voltage high-speed switching Unit mm 10.0 0.2 4.2 0.2 Features 5.5 0.2 2.7 0.2 High-speed switching High collector to base voltage VCBO 3.1 0.1 Wide area of safe operation (ASO) Satisfactory linearity of foward current transfer ratio hFE Full-pack package which can be insta... See More ⇒
8.3. Size:60K panasonic
2sc3972.pdf
Power Transistors 2SC3972, 2SC3972A Silicon NPN triple diffusion planar type For high breakdown voltage high-speed switching Unit mm 10.0 0.2 4.2 0.2 Features 5.5 0.2 2.7 0.2 High-speed switching High collector to base voltage VCBO 3.1 0.1 Wide area of safe operation (ASO) Satisfactory linearity of foward current transfer ratio hFE Full-pack package which can be insta... See More ⇒
8.4. Size:59K panasonic
2sc3979.pdf
Power Transistors 2SC3979, 2SC3979A Silicon NPN triple diffusion planar type For high breakdown voltage high-speed switching Unit mm 10.0 0.2 4.2 0.2 Features 5.5 0.2 2.7 0.2 High-speed switching High collector to base voltage VCBO Wide area of safe operation (ASO) 3.1 0.1 Satisfactory linearity of foward current transfer ratio hFE Full-pack package which can be insta... See More ⇒
8.5. Size:62K panasonic
2sc3976.pdf
Power Transistors 2SC3976 Silicon NPN triple diffusion planar type For high breakdown voltage high-speed switching Unit mm 3.3 0.2 20.0 0.5 5.0 0.3 3.0 Features High-speed switching High collector to base voltage VCBO Wide area of safe operation (ASO) 1.5 Satisfactory linearity of foward current transfer ratio hFE 1.5 2.0 0.3 Absolute Maximum Ratings (TC=25 C) 2.7... See More ⇒
8.6. Size:60K panasonic
2sc3970.pdf
Power Transistors 2SC3970, 2SC3970A Silicon NPN triple diffusion planar type For high breakdown voltage high-speed switching Unit mm 10.0 0.2 4.2 0.2 Features 5.5 0.2 2.7 0.2 High-speed switching High collector to base voltage VCBO 3.1 0.1 Wide area of safe operation (ASO) Satisfactory linearity of foward current transfer ratio hFE Full-pack package which can be insta... See More ⇒
8.7. Size:60K panasonic
2sc3977.pdf
Power Transistors 2SC3977, 2SC3977A Silicon NPN triple diffusion planar type For high breakdown voltage high-speed switching Unit mm 10.0 0.2 4.2 0.2 Features 5.5 0.2 2.7 0.2 High-speed switching High collector to base voltage VCBO 3.1 0.1 Wide area of safe operation (ASO) Satisfactory linearity of foward current transfer ratio hFE Full-pack package which can be insta... See More ⇒
8.8. Size:59K panasonic
2sc3975.pdf
Power Transistors 2SC3975 Silicon NPN triple diffusion planar type For high breakdown voltage high-speed switching Unit mm 15.0 0.3 5.0 0.2 Features 11.0 0.2 3.2 High-speed switching High collector to base voltage VCBO 3.2 0.1 Wide area of safe operation (ASO) Satisfactory linearity of foward current transfer ratio hFE Full-pack package which can be installed to the hea... See More ⇒
8.9. Size:59K panasonic
2sc3974.pdf
Power Transistors 2SC3974 Silicon NPN triple diffusion planar type For high breakdown voltage high-speed switching Unit mm 15.0 0.3 5.0 0.2 Features 11.0 0.2 3.2 High-speed switching High collector to base voltage VCBO 3.2 0.1 Wide area of safe operation (ASO) Satisfactory linearity of foward current transfer ratio hFE Full-pack package which can be installed to the hea... See More ⇒
8.10. Size:179K jmnic
2sc3973.pdf
JMnic Product Specification Silicon NPN Power Transistors 2SC3973 2SC3973A DESCRIPTION With TO-220Fa package High breakdown voltage High speed switching Wide area of safe operation APPLICATIONS For high breakdown voltate ,high-speed switching applications PINNING PIN DESCRIPTION 1 Base 2 Collector Fig.1 simplified outline (TO-220Fa) and symbol 3 Emitter Ab... See More ⇒
8.11. Size:181K jmnic
2sc3972.pdf
JMnic Product Specification Silicon NPN Power Transistors 2SC3972 2SC3972A DESCRIPTION With TO-220Fa package High speed switching High VCBO Wide area of safe operation APPLICATIONS For high breakdown voltate ,high-speed switching applications PINNING PIN DESCRIPTION 1 Base 2 Collector Fig.1 simplified outline (TO-220Fa) and symbol 3 Emitter Absolute maximu... See More ⇒
8.12. Size:147K jmnic
2sc3979.pdf
Product Specification www.jmnic.com Silicon Power Transistors 2SC3979 DESCRIPTION With TO-220Fa package High breakdown voltage High speed switching Wide area of safe operation (SOA) Full-pack package which can be installed to the heak sink with one screw PINNING PIN DESCRIPTION 1 Base 2 Collector 3 emitter Fig.1 simplified outline (TO-220Fa) and symbol ABS... See More ⇒
8.13. Size:181K jmnic
2sc3970.pdf
JMnic Product Specification Silicon NPN Power Transistors 2SC3970 2SC3970A DESCRIPTION With TO-220Fa package High speed switching High VCBO Wide area of safe operation APPLICATIONS For high breakdown voltate ,high-speed switching applications PINNING PIN DESCRIPTION 1 Base 2 Collector Fig.1 simplified outline (TO-220Fa) and symbol 3 Emitter Absolute maxim... See More ⇒
8.14. Size:211K inchange semiconductor
2sc3973.pdf
isc Silicon NPN Power Transistor 2SC3973 DESCRIPTION Collector-Base Breakdown Voltage- V = 800V(Min.) (BR)CBO Wide Area of Safe Operation High Speed Switching Minimum Lot-to-Lot variations for robust device performance and reliable operation APPLICATIONS Designed for high speed switching applications. ABSOLUTE MAXIMUM RATINGS (T =25 ) a SYMBOL PARAMETER VALUE UNIT ... See More ⇒
8.15. Size:117K inchange semiconductor
2sc3973b.pdf
Inchange Semiconductor Product Specification Silicon NPN Power Transistors 2SC3973B DESCRIPTION With TO-220Fa package High voltage,high speed Wide area of safe operation APPLICATIONS For high voltage,high speed switching applications PINNING PIN DESCRIPTION 1 Base Collector;connected to 2 mounting base Fig.1 simplified outline (TO-220Fa) and symbol 3 Emi... See More ⇒
8.16. Size:211K inchange semiconductor
2sc3972.pdf
isc Silicon NPN Power Transistor 2SC3972 DESCRIPTION Collector-Base Breakdown Voltage- V = 800V(Min.) (BR)CBO Wide Area of Safe Operation High Speed Switching Minimum Lot-to-Lot variations for robust device performance and reliable operation APPLICATIONS Designed for high speed switching applications. ABSOLUTE MAXIMUM RATINGS (T =25 ) a SYMBOL PARAMETER VALUE UNIT ... See More ⇒
8.17. Size:144K inchange semiconductor
2sc3970 2sc3970a.pdf
Inchange Semiconductor Product Specification Silicon NPN Power Transistors 2SC3970 2SC3970A DESCRIPTION With TO-220Fa package High speed switching High VCBO Wide area of safe operation APPLICATIONS For high breakdown voltate ,high-speed switching applications PINNING PIN DESCRIPTION 1 Base 2 Collector Fig.1 simplified outline (TO-220Fa) and symbol 3 Emitte... See More ⇒
8.18. Size:145K inchange semiconductor
2sc3972 2sc3972a.pdf
Inchange Semiconductor Product Specification Silicon NPN Power Transistors 2SC3972 2SC3972A DESCRIPTION With TO-220Fa package High speed switching High VCBO Wide area of safe operation APPLICATIONS For high breakdown voltate ,high-speed switching applications PINNING PIN DESCRIPTION 1 Base 2 Collector Fig.1 simplified outline (TO-220Fa) and symbol 3 Emitte... See More ⇒
8.19. Size:212K inchange semiconductor
2sc3979.pdf
isc Silicon NPN Power Transistor 2SC3979 DESCRIPTION Collector-Base Breakdown Voltage- V = 900V(Min.) (BR)CBO Wide Area of Safe Operation High Speed Switching Minimum Lot-to-Lot variations for robust device performance and reliable operation APPLICATIONS Designed for high speed switching applications. ABSOLUTE MAXIMUM RATINGS (T =25 ) a SYMBOL PARAMETER VALUE UNIT ... See More ⇒
8.20. Size:142K inchange semiconductor
2sc3973 2sc3973a.pdf
Inchange Semiconductor Product Specification Silicon NPN Power Transistors 2SC3973 2SC3973A DESCRIPTION With TO-220Fa package High breakdown voltage High speed switching Wide area of safe operation APPLICATIONS For high breakdown voltate ,high-speed switching applications PINNING PIN DESCRIPTION 1 Base 2 Collector Fig.1 simplified outline (TO-220Fa) and sym... See More ⇒
8.21. Size:212K inchange semiconductor
2sc3970.pdf
isc Silicon NPN Power Transistor 2SC3970 DESCRIPTION Collector-Base Breakdown Voltage- V = 800V(Min.) (BR)CBO Wide Area of Safe Operation High Speed Switching Minimum Lot-to-Lot variations for robust device performance and reliable operation APPLICATIONS Designed for high speed switching applications. ABSOLUTE MAXIMUM RATINGS (T =25 ) a SYMBOL PARAMETER VALUE UNIT ... See More ⇒
8.22. Size:210K inchange semiconductor
2sc3975.pdf
isc Silicon NPN Power Transistor 2SC3975 DESCRIPTION Collector-Base Breakdown Voltage- V = 800V(Min.) (BR)CBO Wide Area of Safe Operation High Speed Switching Minimum Lot-to-Lot variations for robust device performance and reliable operation APPLICATIONS Designed for high speed switching applications. ABSOLUTE MAXIMUM RATINGS (T =25 ) a SYMBOL PARAMETER VALUE UNIT ... See More ⇒
8.23. Size:211K inchange semiconductor
2sc3974.pdf
isc Silicon NPN Power Transistor 2SC3974 DESCRIPTION Collector-Base Breakdown Voltage- V = 800V(Min.) (BR)CBO Wide Area of Safe Operation High Speed Switching Minimum Lot-to-Lot variations for robust device performance and reliable operation APPLICATIONS Designed for high speed switching applications. ABSOLUTE MAXIMUM RATINGS (T =25 ) a SYMBOL PARAMETER VALUE UNIT ... See More ⇒
Detailed specifications: 2SC3970, 2SC3971, 2SC3972, 2SC3973, 2SC3974, 2SC3975, 2SC3976, 2SC3977, NJW0281G, 2SC3979, 2SC397D, 2SC398, 2SC3980, 2SC3981, 2SC3982, 2SC3983, 2SC3984
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