Discover 2SA1943 PNP Power Transistor

The 2SA1943 PNP high power transistor was designed by Toshiba for general use in amplifiers or audio circuits grounded at high power due to its maximum collector current and gain current. Nowadays, this transistor has been used by replacing it with TTA1943 transistor, however, it is manufactured in different processes due to it being reproduced by various other manufacturers around the world.

The 2SA1943 PNP power transistor is simply used to switch or alter electronic signals as well as electrical power. This composition discusses an overview of the 2SA1943 PNP power transistor and its work with processes

What is 2SA1943 PNP Power Transistor?

The 2SA1943 PNP power transistor plays an important role in the design of amplifiers. In general, most amplifiers use a push-pull circuit which is the same as a Class B amplifier. This amplifier can be installed with two transistors such as PNP and NPN where the 2SA1943 transistor is PNP type and 2SE5200 transistor is NPN type. So a combination of two transistors together is constantly used to design high power amplifiers.

2SA1943 PNP Power Transistor

This power transistor is designed using a semiconductor material generally with at least three external terminals used to connect an external circuit. Once a current or voltage is applied to one bracket of the outer terminals of this transistor, it also controls the flow of current in the other bracket to the outer terminals because the strength of the relationship is ahead of the input power.

When these transistors operate with high collector current and maximum switching frequency, they also get heat suddenly. So it is better to use jomorah heat to avoid this thermal problem. PNP power transistors are used to design stereo systems with a power of 200 watts or higher, frequency ranges from 5 Hz to 100 kHz and 0.75 volts of perception. Low signal-to-noise ratio and overall harmonic distortion will make this transistor used in audio operations.

2SA1943 PNP power transistor composition

The leg configuration of the 2SA1943 PNP power transistor and its symbol are shown below. This PNP power transistor has three external terminals which are connected below.

2SA1943 PNP . Transistor Leg Configuration

Pin1 (Base) The transistor can be switched through this terminal by turning this transistor on or off

Pin2 (collector) current stocks through this terminal connected to the load typically

Pin3 (Emitter) The internal flow of current rainwater using this pin usually connected to GND.

Features and Specifications

Features and specifications of the 2SA1943 transistor include the following.

package to -264

Through-hole mount type

Number of outdoor stations - 3

The opposition is the National Workers' Party with medium strength

advanced process technology

less error effort

The conversion speed is really fast

Full voltage grounding process

Deals with high current and high energy

DC or hFE current gain ranges from 55 to 160

The collector or IC current is 15A

Collector Emitter Voltage or VCE 230Volts

Voltage reference collector or VCB 230Volts

The emitter to reference voltage or VBE is 5Volts

The negotiation frequency is 30MHz.

Operating and storage temperature range from -55°C to 150°C

The alternating NPN transistors are TTC5200, 2SE5200, 2SA1962, 2SA2151A-O, KTA1962A, KTA1943, 2SA2151A-Y, 2SA2151A-P, FJA4213, KTA1943A, KTA1962, FJL4215, KTA193021AG, or the original TTA19NPJW130 transistor is MTA19NPJW130. Transistors of the same family are TTA1943, TTC5200, 2SA1943N and 2SC5200N.

Occasionally, the marking of a 2SA1943 PNP power transistor does not have a prefix like 2S", so this transistor may be marked as "A1943".

How to use 2SA1943 PNP Power Transistor?

The amplifier circuit using three transistors is shown below. The factors needed to make this circuit substantially include three transistors such as 2SC5200 (NPN), 2SA1943 (PNP) and BD139 (NPN), two diodes D1 and D2 such as a diode 1N4007, electrolytic capacitors such as C1 are 2.200 uF to 63V, C2 is4. 7 uF to 25V, resistors like R1 & R2 are 22 ohms with 5W, 1K ohm resistor, 100K resistor, 10K ohm potentiometer, connecting cables, etc.

The design of this circuit is really simple using three transistors that can power a 600W RMS Subwoofer. Testing of this circuit can be done with two phases where first phase, 24V asymmetric power is used and in the alternate phase, 30V asymmetric power is used.

Amplifier circuit using a power transistor 2SA1943 PNP

The initial stage is known as the pre-amplification stage which is used in modern times to enhance the relationship stage. Phase h can be modulated by a medium power BD139 transistor, which supports up to 80 volts, 1.5 amps of current, and 12.5 watts of power.

The alternate phase is known as the energy phase, which can be formed by b

Discover 2SA1943 PNP Power Transistor