UNR521WG0L Discrete Semiconductor Products

Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Obsolete
Transistor Type:	NPN - Pre-Biased
Current - Collector (Ic) (Max):	100mA
Voltage - Collector Emitter Breakdown (Max):	50V
Resistor - Emitter Base (R2):	100 kOhms
DC Current Gain (hFE) (Min) @ Ic, Vce:	80 @ 5mA, 10V
Vce Saturation (Max) @ Ib, Ic:	250mV @ 300µA, 10mA
Current - Collector Cutoff (Max):	500nA
Frequency - Transition:	100MHz
Power - Max:	150mW
Mounting Type:	Surface Mount
Package / Case:	SC-85
Supplier Device Package:	SMini3-F2

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UNR521WG0L Application Field and Working PrincipleVirtual Transistor is a type of transistor designed to compensate for the imperfections in traditional transistors. Virtual transistors are used to ensure that signals are transmitted accurately and in the correct order. The UNR521WG0L is a virtual transistor that is designated as a single, pre-biased transistor.Application FieldThe UNR521WG0L is ideally used in applications that require precise control of logic and signals within high-powered circuits. The pre-biased transistor design of the UNR521WG0L ensures high degree of reliability, as current flow and voltage drops across the junction are stabilized prior to the control signal being applied. This ensures that signals are reliably transmitted and that the required control action is accurately performed.The UNR521WG0L is most commonly used in applications such as power management, automotive systems and consumer electronics. Its pre-biased design has made it a popular choice for system engineers, as its control is efficient, reliable and cost-effective.Working PrincipleThe pre-biased design of the UNR521WG0L enables it to achieve a high degree of reliability when transmitting signals. This is achieved by the transistor’s collector-base junction being biased in a particular way prior to the application of a control signal. By biasing the junction in this way, a constant current is maintained across the junction, even if the control signal changes in magnitude.In addition to its pre-biased transistor design, the UNR521WG0L also utilises an active current control circuit. This circuit allows the UNR521WG0L to switch quickly between two different current levels in order to efficiently control its output. This feature helps to ensure that the accuracy and reliability of the signals being transmitted remains high in all types of environmental conditions.ConclusionThe UNR521WG0L is an example of a virtual transistor designed to compensate for the imperfections in traditional transistors. Its pre-biased design makes it ideal for high-powered applications that require precise control of signals and logic. The UNR521WG0L also utilises an active current control circuit which helps to ensure that signals remain accurate and reliable in all types of environmental conditions. The UNR521WG0L is most commonly used in applications such as power management, automotive systems and consumer electronics.

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