2N4036 Pinout, Equivalent, Application, Datasheet

The 2N4036 is a PNP silicon transistor housed in a durable TO-39 metal package, designed for medium-power amplification and switching applications. It offers a collector-emitter voltage (Vce) rating of –65 V and a collector-base voltage (Vcb) of –90 V, making it suitable for circuits that require stable high-voltage performance. The 2N4036 pinout follows the Emitter–Base–Collector (E–B–C) sequence, ensuring easy integration in analog amplifiers, voltage regulators, and signal driver designs.

Engineered for reliability and low leakage, this transistor can handle a collector current (Ic) of –1 A and a power dissipation of 7 W, supported by the TO-39’s excellent heat dissipation capability. These characteristics make the 2N4036 a popular choice in audio preamplifiers, instrumentation amplifiers, and industrial driver circuits where consistent performance is essential.

Introduction to 2N4036 PNP Transistor

The 2N4036 is a general-purpose PNP power transistor developed for linear and switching circuits that demand moderate current and high-voltage handling. Its rugged TO-39 metal can design ensures superior thermal control, allowing it to operate efficiently under continuous load.

Because of its high collector-base voltage rating (–90 V) and collector current capacity of –1 A, it is widely used in audio, industrial control, and analog signal circuits. The silicon planar construction ensures low noise levels and stable gain across a broad range of operating frequencies, making it a dependable option for both amplification and switching functions.

2N4036 PNP Transistor

Pinout of 2N4036

Pin Configuration of 2N4036 Pinout

Key Features of 2N4036 Transistor

• PNP silicon transistor with robust construction
• TO-39 metal package for excellent heat dissipation
• High voltage tolerance (up to –90 V)
• Capable of handling up to –1 A collector current
• Reliable performance in linear and switching applications
• Low noise and thermally stable operation

2N4036 Transistor Datasheet and Specifications

• Transistor Type: PNP Silicon
• Collector-Emitter Voltage (Vce): –65 V
• Collector-Base Voltage (Vcb): –90 V
• Emitter-Base Voltage (Veb): –5 V (typical)
• Collector Current (Ic): –1 A
• Power Dissipation (Ptot): 7 W
• DC Current Gain (hFE): 20 – 100
• Transition Frequency (fT): 50 MHz (typical)
• Operating Junction Temperature (Tj): –65 °C to +200 °C
• Package Type: TO-39 Metal Can
• Pin Configuration: Emitter – Base – Collector (E-B-C)

Equivalent and Alternative Transistors

If the 2N4036 transistor is unavailable, the following parts can be used as suitable substitutes with similar characteristics:

• 2N4037 – PNP, TO-39, –150 V, –0.8 A
• 2N5415 – PNP, TO-39, –200 V, –1 A
• 2N2907A – PNP, TO-18, –60 V, –0.6 A
• BD140 – PNP, TO-126, –80 V, –1.5 A
• MJE350 – PNP, TO-126, –300 V, –0.5 A

When choosing an equivalent, ensure the voltage and current ratings meet or exceed those required by your circuit.

More Circuit Layouts

Applications of 2N4036 Transistor

The 2N4036 is versatile and can be used in various electronic applications such as:

• Audio power amplifiers and preamplifiers
• Signal driver and control stages
• Voltage regulators and feedback circuits
• Switching circuits in industrial control systems
• Analog and instrumentation amplifiers
• Low-frequency oscillator and timing circuits

Its combination of high voltage handling and medium current capability makes it a reliable choice for analog signal and control applications.

Working Principle of 2N4036 Transistor

The 2N4036 PNP transistor conducts when the base voltage is lower than the emitter voltage. In active mode, a small base current allows a larger emitter-to-collector current flow, enabling current amplification. In amplifier designs, it operates within the active region to ensure linear gain, while in switching circuits, it alternates between cut-off and saturation states for efficient control of load current.

Advantages of 2N4036 Transistor

• High reliability and stable gain at elevated voltages
• Strong thermal tolerance due to TO-39 package
• Low leakage current and minimal noise
• Suitable for both switching and amplification applications
• Long operational life in continuous-load circuits

Conclusion

The 2N4036 PNP transistor is a high-voltage, medium-power device ideal for amplification, signal control, and switching. With its –65 V collector-emitter voltage, –1 A collector current, and 7 W power dissipation, it delivers consistent and efficient performance.

The 2N4036 pinout (E–B–C) and TO-39 metal body make it a dependable component for audio amplifiers, industrial systems, and voltage regulator designs, where stability and reliability are key.

Datasheet & Pinout of 2N4036 PNP Transistor

Click the following Button to download the datasheet of 2N5416 Transistor :

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