2N4403 PNP Transistor: Datasheet, Test Circuits, and Equivalents

The 2N4403 is a PNP general purpose transistor that can be used to amplify or switch electronic signals and electrical power. The 2N4403 is a hobbyist's favorite because it is cheap, easy to work with, and best suited when choosing a random switching device. The 2N4403 can also be used as a basic power amplifier and its application include amplifying low power signals.

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3D Model

• Package Type: TO-92

• Transistor Type: PNP

• Max Collector Current(IC): 600 mA

• Max Collector-Emitter Voltage (VCE): 40 V

• Max Collector-Base Voltage (VCB): 40 V

• Max Emitter-Base Voltage (VEBO): 5 V

• Max Collector Dissipation (Pc):  625 mW

• DC Current Gain (hFE): 100 - 300

• Storage & Operating temperature: -65 to +150 Centigrade

• Advanced process technology

• Low error voltage

• Fast switching speed

• Full-voltage operation

• High power and current handling capability

Central Semiconductor 2N4403 technical specifications, attributes, parameters and parts with similar specifications to Central Semiconductor 2N4403.

2N4403 Switching Time Equivalent Test Circuit

The 2N4403 can be used in many general-purpose applications. For example, it can be used to switch relays and different types of LEDs, to control MOSFET and other high power transistors in an electronic circuit, and to control ICs or circuits under 600mA load. Moreover, the 2N4403 can also be used as a small amplifier at the output of the circuit to directly drive a speaker or other audio-related circuits. It can also be used as a microphone preamplifier or as a preamplifier for many small audio signals. And it can also be used to amplify any type of small signal.

• Simple switching applications

• Microphone pre-amplifiers

• Lighting systems

• Relay drivers

• Audio amplifiers

• Signal amplifiers

• Sensor circuits

Since 1974, Central Semiconductor has manufactured innovative discrete semiconductors used in electronic products worldwide. Devices currently include standard and custom small-signal transistors, bipolar power transistors, MOSFETs, diodes, rectifiers, protection devices, current limiting diodes, bridge rectifiers, thyristors, and silicon carbide devices. Central’s devices are available in industry-standard surface mount and through-hole packages, bare die, TLMs (Tiny Leadless Modules™), and MDMs (Multi Discrete Modules™). Central has earned a reputation as a manufacturer of the highest quality products consistently delivered on time, and a provider of exceptional value-added services.

Download datasheets and manufacturer documentation for Central Semiconductor 2N4403.