DTC343TKT146

DC Current Gain (hFE) (Min) @ Ic, Vce:	100 @ 50mA, 5V
Base Part Number:	DTC343
Supplier Device Package:	SMT3
Package / Case:	TO-236-3, SC-59, SOT-23-3
Mounting Type:	Surface Mount
Power - Max:	200mW
Frequency - Transition:	200MHz
Current - Collector Cutoff (Max):	500nA (ICBO)
Vce Saturation (Max) @ Ib, Ic:	80mV @ 2.5mA, 50mA
Series:	--
Resistor - Base (R1):	2.2 kOhms
Voltage - Collector Emitter Breakdown (Max):	15V
Current - Collector (Ic) (Max):	600mA
Transistor Type:	NPN - Pre-Biased
Moisture Sensitivity Level (MSL):	--
Part Status:	Not For New Designs
Lead Free Status / RoHS Status:	--
Packaging:	Tape & Reel (TR)

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The DTC343TKT146 transistor is a single, pre-biased, bi-polar junction transistor commonly used in electronic applications. It is classified as a switching type transistor, meaning it can be used to control the current flow between two components in a circuit. The DTC343TKT146 is capable of switching digital signals and is often used in power applications due to its fast switching speed and low on-resistance.The DTC343TKT146 is a three-terminal device, consisting of two base/collector (B/C) terminals and one emitter (E) terminal. The B/C terminals are connected to the gate of a MOSFET, allowing the transistor to operate in an open drain configuration. This configuration ensures that the voltage on the B/C terminals is always above the gate threshold voltage of the MOSFET and keeps the current flowing between the B/C terminals in the same direction.The working principle of the DTC343TKT146 is based on the behavior of depletion region. When a positive voltage is applied to the B/C terminals, it causes a depletion of charge carriers in the channel of the MOSFET. This creates an internal voltage drop across the channel and makes it easier for the controlled current to flow between the B/C terminals. When a negative voltage is applied, the depletion layer shrinks, reducing the internal voltage drop and slowing down the flow of the current.By using the DTC343TKT146 transistor to control the current flow in a circuit, engineers can achieve high precision control of various electronic devices. This is due to the fact that the transistor can switch digital signals with a very fast speed and low on-resistance. Thus, it is often used in applications such as consumer electronics, medical equipment, and automotive components.As for safety considerations, the DTC343TKT146 transistor is rated for a maximum voltage of 25 volts and a maximum current of 70 mA. When using the transistor in a circuit, a suitable heat sink should be included to reduce the amount of heat generated by the active device.In conclusion, the DTC343TKT146 is a single pre-biased bi-polar junction transistor commonly used in electronic switching applications. Due to its fast switching speed, high precision control, and low on-resistance, it is often used in consumer electronics, medical equipment, and automotive components. Whenever using the transistor, proper safety considerations must always be taken into account.

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