BD139 is a medium-power NPN transistor; designed for use as audio amplifiers and drivers utilizing complementary or quasi complementary circuits. It comes in plastic casing. Its DC current gain is 40 (Min).
BD139 TRANSISTOR, NPN, TO-126
?Collector Emitter Voltage V(br)ceo:?80V
?Power Dissipation Pd:?12.5W
?DC Collector Current:?1.5A
?DC Current Gain hFE:?40
?Transistor Case Style:?TO-126
?No. of Pins:?3
?Av Current Ic:?1.5A
?Collector Emitter Voltage Vces:?500mV
?Continuous Collector Current Ic Max:?1.5A
?Current Ic hFE:?150mA
?Full Power Rating Temperature:?25?C
?No. of Transistors:?1
?Termination Type:?Through Hole
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