2SB1457(T6DW,F,M)

Series:	--
Packaging:	Bulk
Part Status:	Obsolete
Transistor Type:	PNP
Current - Collector (Ic) (Max):	2A
Voltage - Collector Emitter Breakdown (Max):	100V
Vce Saturation (Max) @ Ib, Ic:	1.5V @ 1mA, 1A
Current - Collector Cutoff (Max):	10µA (ICBO)
DC Current Gain (hFE) (Min) @ Ic, Vce:	2000 @ 1A, 2V
Power - Max:	900mW
Frequency - Transition:	50MHz
Operating Temperature:	150°C (TJ)
Mounting Type:	Through Hole
Package / Case:	TO-226-3, TO-92-3 Long Body
Supplier Device Package:	TO-92MOD

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Introduction

The 2SB1457 (T6DW,F,M) is a single-transistor, bipolar junction transistor made by Toshiba. It is widely used in consumer electronics and other general purpose applications. This article will discuss the application field and working principle of the 2SB1457. In particular, the application field and operating characteristics of the 2SB1457 will be discussed in detail.

Application field

The 2SB1457 can be used in a variety of consumer electronics applications, such as audio amplifiers, radio receivers, and digital-to-analog converters. In audio amplifiers and radio receivers, it is used as a switch, and in digital-to-analog converters, it is used as a current-controlling device. Additionally, it can be used in various other general-purpose applications, such as voltage-regulator circuits and DC power-supply circuits.

Operating Characteristics

The 2SB1457 has a maximum collector-emitter voltage rating of 30 V, a maximum collector-base voltage rating of 40 V, and a maximum emitter-base voltage rating of 5 V. It has a maximum collector current rating of 0.5 A and a maximum emitter current rating of 0.5 A. The maximum collector power is 20 W and the maximum emitter power is 8.5 W. It has a high current-gain bandwidth product of 4 MHz and a gain-bandwidth product of 6 MHz.

Working Principle

The 2SB1457 is a voltage-controlled device, meaning that its current is controlled by the voltage applied to its base terminal. The device operates in two modes. In the active mode, it is switched on by applying a voltage to its base terminal. In the saturation mode, it is switched off by reducing or removing the voltage applied to its base terminal. In both modes, the 2SB1457 acts as a current amplifier by increasing the current passing through it.

Conclusion

The 2SB1457 transistor is a single-transistor, bipolar junction transistor manufactured by Toshiba. It is widely used in consumer electronics and general-purpose applications. The application field and working principle of the 2SB1457 were discussed in this article. In particular, the application field and operating characteristics of the 2SB1457 were discussed in detail.

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