JANTX2N4234

Series:	Military, MIL-PRF-19500/580
Packaging:	Bulk
Part Status:	Active
Transistor Type:	PNP
Current - Collector (Ic) (Max):	1A
Voltage - Collector Emitter Breakdown (Max):	40V
Vce Saturation (Max) @ Ib, Ic:	600mV @ 100mA, 1A
Current - Collector Cutoff (Max):	1mA
DC Current Gain (hFE) (Min) @ Ic, Vce:	30 @ 250mA, 1V
Power - Max:	1W
Frequency - Transition:	--
Operating Temperature:	-65°C ~ 200°C (TJ)
Mounting Type:	Through Hole
Package / Case:	TO-205AD, TO-39-3 Metal Can
Supplier Device Package:	TO-39 (TO-205AD)

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Introduction
The JANTX2N4234 is a single, bipolar junction transistor (BJT) commonly used in switching, amplification and current sensing applications. It is manufactured by the Motorola Semiconductor Products division, and can be found in both through-hole and surface-mount packages. Its unique construction allows it to “switch” between two different operating states, allowing it to be used in both digital and analog systems. The JANTX2N4234 is a versatile transistor, and is suitable for a wide range of applications, from simple motor control to complex communications and power management.

Construction and Pinout
The JANTX2N4234 is a single BJT device, which means it is composed of three terminals. The JANTX2N4234 is available in both through-hole and surface mount packages (the D-Pak, TO-92 and SOT-223). It has a collector, base, and an emitter, and the following pinout:

• Collector (C): The collector is the most important terminal of the JANTX2N4234 and is where the majority of the current flows.
• Base (B): The Base terminal is used to control the flow of current between the Collector and Emitter terminals. It acts as a “gate” allowing current to either pass or be blocked.
• Emitter (E): The Emitter terminal is the output of the JANTX2N4234 and is the terminal where current emerges after flowing through the Base terminal.

Maximim Ratings
The JANTX2N4234 has a number of maximum ratings that must be taken into consideration when using the device. These include the following:

• Collector-Base Voltage (VCBO): 50V
• Collector-Emitter Voltage (VCEO): 30V
• Emitter-Base Voltage (VEBO): 5V
• Collector Current (IC): 0.5A
• Power Dissipation (PD): 625mW
• Operating Temperature (TOP): -55°C to +150°C
• Storage Temperature (Tstg): -65°C to +150°C

The JANTX2N4234 must remain within the maximum ratings for proper operation and long-term reliability. Exceeding any of these ratings could result in irreversible damage to the device.

Applications
The JANTX2N4234 is a versatile device and is suitable for a wide range of applications. It can be used in both digital and analog systems, from simple motor control to complex communications and power management. Some common applications of the JANTX2N4234 include:

• Power Management: The JANTX2N4234 can be used to regulate the power supply of a device. It can be used to switch between voltage sources or control the output voltage of a power supply.
• Switch/ Amplifier: The JANTX2N4234 can be used as both a switch and amplifier. It can be used to turn devices on and off, and it can also be used to amplify small signals. It is often used in audio amplifiers and radios.
• Current Sensing: The JANTX2N4234 can be used to detect the flow of current and can be used in applications such as motor or power control.

Working principle
The JANTX2N4234 is a single BJT device and works according to the principles of current control. When an external voltage is applied to the Base terminal, a current will flow from the Collector to the Emitter. This current is controlled by the Base-Emitter voltage (VBE). As the value of VBE increases, the amount of current that can flow from Collector to Emitter increases. When VBE reaches the BJT’s “cut-off” voltage, the flow of current is completely blocked. This makes the JANTX2N4234 an excellent device for switching and current sensing applications, as the current can be easily controlled by varying the Base-Emitter voltage.

Conclusion
The JANTX2N4234 is a single, bipolar junction transistor (BJT) that is commonly used in switching, amplification and current sensing applications. Its unique construction allows it to “switch” between two different operating states, allowing it to be used in both digital and analog systems. It is available in both through-hole and surface-mount packages and has a variety of maximum ratings and applications. Its ability to control current by varying the Base-Emitter voltage makes it an excellent choice for switching and current sensing applications.

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