2SD645 Specs and Replacement
Type Designator: 2SD645
Material of Transistor: Si
Polarity: NPN
Absolute Maximum Ratings
Maximum Collector Power Dissipation (Pc): 350 W
Maximum Collector-Base Voltage |Vcb|: 600 V
Maximum Collector-Emitter Voltage |Vce|: 450 V
Maximum Emitter-Base Voltage |Veb|: 5 V
Maximum Collector Current |Ic max|: 60 A
Max. Operating Junction Temperature (Tj): 150 °C
Electrical Characteristics
Forward Current Transfer Ratio (hFE), MIN: 150
Noise Figure, dB: -
Package: TO3A-1
- BJT ⓘ Cross-Reference Search
2SD645 datasheet
9.5. Size:221K inchange semiconductor
2sd649.pdf 

INCHANGE Semiconductor isc Product Specification isc Silicon NPN Power Transistor 2SD649 DESCRIPTION High Breakdown Voltage- VCBO= 1500V (Min) High Reliability APPLICATIONS Designed for line-operated horizontal deflection output applications. ABSOLUTE MAXIMUM RATINGS(Ta=25 ) SYMBOL PARAMETER VALUE UNIT VCBO Collector-Base Voltage 1500 V VCES Collector-Emitter V... See More ⇒
9.6. Size:199K inchange semiconductor
2sd640.pdf 

INCHANGE Semiconductor isc Silicon NPN Power Transistor 2SD640 DESCRIPTION Collector-Emitter Breakdown Voltage- V = 400V (Min) (BR)CEO Low Collector-Emitter Saturation Voltage- V = 1.5V (Max.)@ I = 5A CE(sat) C Excellent Safe Operating Area Minimum Lot-to-Lot variations for robust device performance and reliable operation APPLICATIONS High voltage switching applicatio... See More ⇒
9.7. Size:205K inchange semiconductor
2sd641.pdf 

isc Silicon NPN Power Transistor 2SD641 DESCRIPTION Collector-Emitter Breakdown Voltage- V = 400V (Min) (BR)CEO Low Collector-Emitter Saturation Voltage- V = 1.5V (Max.)@ I = 10A CE(sat) C Minimum Lot-to-Lot variations for robust device performance and reliable operation APPLICATIONS High voltage switching applications. High power amplifier applications. ABSOLUTE MAXI... See More ⇒
Detailed specifications: 2SD638, 2SD639, 2SD64, 2SD640, 2SD641, 2SD642, 2SD643, 2SD644, A733, 2SD646, 2SD646A, 2SD647, 2SD647A, 2SD648, 2SD648A, 2SD649, 2SD65
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