SMA4030

Series:	--
Packaging:	Tube
Part Status:	Active
Transistor Type:	4 NPN Darlington (Quad)
Current - Collector (Ic) (Max):	3A
Voltage - Collector Emitter Breakdown (Max):	100V
Vce Saturation (Max) @ Ib, Ic:	1.5V @ 3mA, 1.5A
Current - Collector Cutoff (Max):	10µA (ICBO)
DC Current Gain (hFE) (Min) @ Ic, Vce:	2000 @ 1.5A, 4V
Power - Max:	4W
Frequency - Transition:	40MHz
Operating Temperature:	150°C (TJ)
Mounting Type:	Through Hole
Package / Case:	12-SIP
Supplier Device Package:	12-SIP

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SMA4030 Application Field and Working Principle

The SMA4030 is Transistor Arrays applied in modern consumer, communication and industrial electronics. Primarily SMA4030 transistor array is used for current gain, protection and interface. This device from STMicroelectronics is manufactured in Industrial, Military and Commercial temperature ranges to accommodate various applications. It has several advantages over single transistors such as reduced number of components, improved power gain and increased reliability.

Application Fields

The SMA4030 is an integrated array of two NPN transistors which can be connected internally or externally with jumpers. This device can be used in various applications such as Class-D amplifiers and radio applications. Its wide frequency range up to 150 MHz makes it suitable for multimedia audio applications and satellite TV receivers. It is also used in switching power converters, power supplies, voltage and frequency converters, visual displays and other consumer electronic applications.

Working Principle

The SMA4030 is a type of integrated circuit consisting of two NPN transistors, one of which is a Darlington pair. The device consists of two transistors which are connected internally as a single transistor, as well as externally with jumpers. The two transistors are connected internally in a Darlington configuration and the base of one transistor is connected to the base of the other transistor. This allows the two transistors to act as one with increased current gain.The Darlington configuration in the SMA4030 provides a higher current gain than conventional transistor designs, which enables it to handle larger input and output currents. The higher current gain also helps to reduce the amount of power consumed by the device. The SMA4030 also features thermal protection which will protect the device from overheating by shutting off the current flow in the event of an overload.

Advantages of SMA4030

One of the main advantages of using the SMA4030 is its increased current gain. This transistors array device can produce high power levels from small power supplies, which makes it suitable for use in low-power applications. Additionally, the device\'s compact size allows it to be used in more compact designs. The device is also more reliable than single transistors due to its increase current handling capacity.The SMA4030 also provides excellent thermal protection, which is essential for reliable operation in applications where large currents are involved. Finally, the device is designed to operate at frequencies up to 150 MHz, making it suitable for use in various multimedia and radio applications.

Conclusion

The SMA4030 is an integrated array of two NPN transistors which can be connected internally or externally with jumpers. This device offers excellent current gain, high reliability and thermal protection, making it suitable for use in a variety of applications such as Class-D amplifiers and radio applications. Additionally, its wide frequency range makes it suitable for multimedia audio applications and satellite TV receivers. Thanks to its many advantages, the SMA4030 has become a popular transistor array for modern consumer, communication and industrial electronics applications.

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