BD644 Datasheet, Equivalent, Cross Reference Search
Type Designator: BD644
Material of Transistor: Si
Polarity: PNP
Maximum Collector Power Dissipation (Pc): 70 W
Maximum Collector-Base Voltage |Vcb|: 45 V
Maximum Collector-Emitter Voltage |Vce|: 45 V
Maximum Emitter-Base Voltage |Veb|: 5 V
Maximum Collector Current |Ic max|: 10 A
Max. Operating Junction Temperature (Tj): 175 °C
Transition Frequency (ft): 1 MHz
Forward Current Transfer Ratio (hFE), MIN: 750
Noise Figure, dB: -
Package: TO66
BD644 Transistor Equivalent Substitute - Cross-Reference Search
BD644 Datasheet (PDF)
bd644.pdf
isc Silicon PNP Darlington Power Transistor BD644DESCRIPTIONCollector-Emitter Breakdown Voltage-: V = -45V(Min)(BR)CEOHigh DC Current Gain: h = 750(Min) @I = -3AFE CLow Saturation VoltageComplement to Type BD643Minimum Lot-to-Lot variations for robust deviceperformance and reliable operationAPPLICATIONSDesigned for use as complementary AF push-pull output
bd644-bd646-bd648-bd650-bd652.pdf
SEMICONDUCTORSBD644/646/648/650/652 SILICON DARLINGTON POWER TRANSISTORS PNP epitaxial-base transistors in a monolithic Dalrington circuit and housed in a TO-220 enveloppe. They are intended for output stages in audio equipment, general amplifiers, and analogue switching application. NPN complements are BD643, BD645, BD647, BD649 and BD651 ABSOLUTE MAXIMUM RATINGS Symbol Ratings
Datasheet: 2SA1801 , 2SA1802 , 2SA1802A , 2SA1803 , 2SA1803O , 2SA1803R , 2SA1804 , 2SA1804O , BD777 , 2SA1805 , 2SA1805O , 2SA1805R , 2SA1806 , 2SA181 , 2SA1810 , 2SA1810B , 2SA1810C .
