BUJ302A,127

Series:	--
Packaging:	Tube
Part Status:	Active
Transistor Type:	NPN
Current - Collector (Ic) (Max):	4A
Voltage - Collector Emitter Breakdown (Max):	400V
Vce Saturation (Max) @ Ib, Ic:	1.5V @ 1A, 3.5A
Current - Collector Cutoff (Max):	250mA
DC Current Gain (hFE) (Min) @ Ic, Vce:	25 @ 800mA, 3V
Power - Max:	80W
Frequency - Transition:	--
Operating Temperature:	150°C (TJ)
Mounting Type:	Through Hole
Package / Case:	TO-220-3
Supplier Device Package:	TO-220AB
Base Part Number:	BUJ302A

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BUJ302A is a single-circuit Bipolar Junction Transistor (BJT) with a low specific charge-carrier mobility and a high breakdown voltage of up to 340 volts. It is manufactured using silicon semiconductor technology which makes it suitable for a broad array of applications requiring low-power but high-voltage operation. This type of BJT is a high-power, high-voltage BJT, meaning that it is well suited for use in the most demanding power electronics systems.The BUJ302A operates through a three-port current control mechanism, wherein one port is employed to control the current injection from a source into the base region, and the other two ports control the current collected at the collector and the source terminals. The device can be used in both AC and DC applications, depending on the specific application requirements. The working voltage ranges from +200 to +340 volts, and the working current ratings span from 10 milliamps to 10 amps at 25 degrees Celsius.The BUJ302A features a fast switching speed, a low effective capacitance, and an integrated diode that prevents reverse current flow. All these features allow the device to be utilized in applications such as DC/DC converters, motor controllers, and audio amplifiers. Additionally, its low saturation voltage enables it to be used in precision switching and control applications like HVAC and audio power circuits.The key factor that makes the BUJ302A stand out is its low thermal resistance, which promotes improved heat dissipation in demanding environment and reduces power loss. Due to the high power density of the device, the user can benefit from increased operating efficiency. Furthermore, its low series resistance prevents unnecessary heating, thereby allowing the device to perform at higher electrical frequencies.The BUJ302A is available in two different package configurations. The TO-3 is a common choice for high-power applications in which the device needs to be operated at high current and voltage levels. The TO-92 package, on the other hand, is derived for use in power converters and audio amplifiers.In summary, the BUJ302A single-circuit-BJT is a powerful device, combining superior power and high-voltage performance with fast switching speeds, low series resistance and thermal dissipation. With its wide operating voltage and current ratings, the device is well suited for a variety of applications in the fields of HVAC and audio power electronics.

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