2SD749 Specs and Replacement
Type Designator: 2SD749
Material of Transistor: Si
Polarity: NPN
Absolute Maximum Ratings
Maximum Collector Power Dissipation (Pc): 50 W
Maximum Collector-Base Voltage |Vcb|: 750 V
Maximum Collector-Emitter Voltage |Vce|: 300 V
Maximum Emitter-Base Voltage |Veb|: 6 V
Maximum Collector Current |Ic max|: 3 A
Max. Operating Junction Temperature (Tj): 150 °C
Electrical Characteristics
Forward Current Transfer Ratio (hFE), MIN: 15
Noise Figure, dB: -
Package: TO3
- BJT ⓘ Cross-Reference Search
2SD749 datasheet
9.5. Size:152K inchange semiconductor
2sd748 2sd748a.pdf 
Inchange Semiconductor Product Specification Silicon NPN Power Transistors 2SD748 2SD748A DESCRIPTION With TO-3 package High VCBO High power dissipation APPLICATIONS Low frequency power amplifier regulator for TV power supply applications PINNING(see Fig.2) PIN DESCRIPTION 1 Base 2 Emitter Fig.1 simplified outline (TO-3) and symbol 3 Collector Absolute maximum ... See More ⇒
9.6. Size:125K inchange semiconductor
2sd743 2sd743a.pdf
Inchange Semiconductor Product Specification Silicon NPN Power Transistors 2SD743 2SD743A DESCRIPTION With TO-220C package Complement to type 2SB703/703A APPLICATIONS Designed for use in audio frequency power amplifier ,low speed switching applications PINNING PIN DESCRIPTION 1 Base Collector;connected to 2 mounting base Fig.1 simplified outline (TO-220) and s... See More ⇒
9.7. Size:214K inchange semiconductor
2sd743.pdf
isc Silicon NPN Power Transistor 2SD743 DESCRIPTION Collector-Emitter Breakdown Voltage- V = 80V(Min) (BR)CEO DC Current Gain- h = 40 200 @I = 0.5A FE C Complement to Type 2SB703 Minimum Lot-to-Lot variations for robust device performance and reliable operation APPLICATIONS Designed for use in audio frequency power amplifier, low speed switching applications. ABSOLUT... See More ⇒
9.8. Size:202K inchange semiconductor
2sd748.pdf
isc Silicon NPN Power Transistor 2SD748 DESCRIPTION Collector-Emitter Breakdown Voltage- V = 200V (Min) (BR)CEO High Power Dissipation Minimum Lot-to-Lot variations for robust device performance and reliable operation APPLICATIONS Low frequency power amplifier. Regulator for TV power supply. ABSOLUTE MAXIMUM RATINGS(T =25 ) a SYMBOL PARAMETER MAX UNIT V Collector-Bas... See More ⇒
9.9. Size:218K inchange semiconductor
2sd745.pdf
isc Silicon NPN Power Transistor 2SD745 DESCRIPTION Collector-Emitter Breakdown Voltage- V = 140V(Min) (BR)CEO Complement to Type 2SB705 High Power Dissipation Minimum Lot-to-Lot variations for robust device performance and reliable operation APPLICATIONS For audio frequency power amplifier applications Suitable for output stages of 60 120 watts audio amplifier and vol... See More ⇒
9.10. Size:194K inchange semiconductor
2sd74.pdf
INCHANGE Semiconductor isc Silicon NPN Power Transistor 2SD74 DESCRIPTION Collector-Emitter Breakdown Voltage- V = 90V(Min) (BR)CEO Good Linearity of h FE Wide Area of Safe Operation 100% avalanche tested Minimum Lot-to-Lot variations for robust device performance and reliable operation APPLICATIONS Designed for use in general purpose power amplifier and switching ap... See More ⇒
9.11. Size:179K inchange semiconductor
2sd745 2sd745a 2sd745b.pdf
Inchange Semiconductor Product Specification Silicon NPN Power Transistors 2SD745/745A/745B DESCRIPTION With MT-200 package Complement to type 2SB705/705A/705B APPLICATIONS Audio frequency power amplifier Suitable for output stages of 60 120W audio amplifiers and voltage regulators PINNING(see Fig.2) PIN DESCRIPTION 1 Base Collector;connected to 2 mounting b... See More ⇒
Detailed specifications: 2SD745, 2SD745A, 2SD745B, 2SD746, 2SD746A, 2SD747, 2SD748, 2SD748A, BD333, 2SD75, 2SD750, 2SD751, 2SD752, 2SD753, 2SD754, 2SD755, 2SD756
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