BD240B

Series:	--
Packaging:	Bulk
Part Status:	Active
Transistor Type:	PNP
Current - Collector (Ic) (Max):	2A
Voltage - Collector Emitter Breakdown (Max):	80V
Vce Saturation (Max) @ Ib, Ic:	700mV @ 200mA, 1A
Current - Collector Cutoff (Max):	300µA
DC Current Gain (hFE) (Min) @ Ic, Vce:	15 @ 1A, 4V
Power - Max:	30W
Frequency - Transition:	--
Operating Temperature:	150°C (TJ)
Mounting Type:	Through Hole
Package / Case:	TO-220-3
Supplier Device Package:	TO-220
Base Part Number:	BD240

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The BD240B bipolar junction transistor (BJT) is a two-terminal device designed for use in audio, switching, and other power applications. It is a single device consisting of three semiconductor layers and four PN junction planes. The BD240B junction transistor has a gain bandwidth product of 36 MHz and can handle up to 1000 mA collector current. It is rated at 8 V and 50 mW, with a collector-to-emitter breakdown voltage of 16V. The BD240B transistor is a N-type base, P-type collector and NPN-type device. This device is suitable for use in general purposes signal or power applications. It is made using two separate manufacturing processes, one for each layer. The P-type layer is used to deposit the base layer, while the N-type layer is used to deposit the collector layer.The working principle of the BD240B BJT is based on the diffusion of majority carriers from the base into the collector and the flow of minority carriers from the collector into the base. This produces a current flow from the base to the collector, thus triggering the transfer of energy. The base current also creates a potential across the collector-base junction, which enables the current to flow. The collector-emitter voltage, commonly known as the saturation voltage, further controls the collector current. In the application field, the BD240B can be employed in switching, amplifier, oscillator, mixer and demodulator circuits. It is also used in low and medium power DC-DC converters, light detection applications, low and high frequency amplifiers and modulators. The BD240B is an ideal choice for applications that involve an input signal of moderate size and relatively fast rise and fall times. Its maximum power dissipation ratings of 8V and 50 mW make it ideal for a wide range of small-signal applications such as amplifiers, receivers, oscillators and mixers. Moreover, the device also finds application in frequency multipliers, oscillators, limiters and filters, buffers, power amplifiers, and line drivers. The collector-base breakdown voltage of 16V makes it ideal for use in voltage-controlled or switch-mode circuits. The very high gain bandwidth product of 36 MHz ensures excellent high frequency performance. This makes it an ideal choice for applications such as high speed data communications and video systems. Overall, the BD240B is a cost-effective and high performance device that can be employed in a wide range of applications. Its associated advantages of low power consumption and compact size also make it an attractive solution for use in devices with limited space.

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