2N4403 Description
The 2N4403 transistor is a general-purpose PNP transistor used in low-power switching and amplifier applications. Because the component is inexpensive and simple to use, it is ideal for use as a random switching device. The 2N4403 can also be used as a basic power amplifier, which can be utilized to boost low-power signals.
2N4403 Features
With up to 300 times DC Current Gain (hFE),
40V maximum voltage between collector and emitter
600mA is the maximum current that can be drawn from the trough collector.
40 volts maximum across collector and base
50mA is the maximum current allowed through the base.
5V is the maximum voltage that can be applied across the base and emitter.
-55°C to +150°C operating temperature range
0.31 W maximum power dissipation
Silicon planar epitaxial transistor
Pb−free packages are available
2N4403 Pinout
2N4403 CAD Model
Symbol
Footprint
3D Model
Specifications
Package / Case: TO-92
Packaging: Bulk
Number of Terminations: 3
Max Operating Temperature: 150°C
Min Operating Temperature: -65°C
Pin Count: 3
Mount: Through Hole
Number of Elements: 1
Polarity: PNP
2N4403 Equivalents
| Part Number | Description | Manufacturer |
| 2N4403/D81ZTRANSISTORS | 600mA, 40V, PNP, Si, SMALL SIGNAL TRANSISTOR, TO-92 | Texas Instruments |
| 2N4403RMTRANSISTORS | Small Signal Bipolar Transistor, 0.6A I(C), 40V V(BR)CEO, 1-Element, PNP, Silicon, TO-92, | Fairchild Semiconductor Corporation |
| 2N4403/D27Z-J14ZTRANSISTORS | 40V, PNP, Si, SMALL SIGNAL TRANSISTOR, PLASTIC PACKAGE-3 | Texas Instruments |
| 2N4403-J25ZTRANSISTORS | 40V, PNP, Si, SMALL SIGNAL TRANSISTOR, PLASTIC PACKAGE-3 | Texas Instruments |
| 2N4403STZTRANSISTORS | Small Signal Bipolar Transistor, 0.6A I(C), 40V V(BR)CEO, 1-Element, PNP, Silicon, TO-92 STYLE, E-LINE PACKAGE-3 | Diodes Incorporated |
| 2N4403/D26ZTRANSISTORS | 600mA, PNP, Si, SMALL SIGNAL TRANSISTOR, TO-92 | Texas Instruments |
| 2N4403TRETRANSISTORS | Small Signal Bipolar Transistor, 40V V(BR)CEO, 1-Element, PNP, Silicon, TO-92, | Central Semiconductor Corp |
| 2N4403/D74Z-J22ZTRANSISTORS | 40V, PNP, Si, SMALL SIGNAL TRANSISTOR, PLASTIC PACKAGE-3 | Texas Instruments |
| 2N4403RATRANSISTORS | Small Signal Bipolar Transistor, 0.6A I(C), 40V V(BR)CEO, 1-Element, PNP, Silicon, TO-92, | Fairchild Semiconductor Corporation |
| 2N4403-BP-HFTRANSISTORS | Small Signal Bipolar Transistor, | Micro Commercial Components |
2N4403 Applications
Preamplifiers for microphones
Drivers of relays
Amplifiers for audio
Amplifiers for Signals
Switching applications which are simple
Systems for lighting
2N4403 Package
2N4403 Manufacturer
Central Semiconductor is a leading provider of superior discrete semiconductors that have been applied in electronic products all over the world since 1974. Nowadays, the company’s products lines contain MOSFETs, bridge rectifiers, silicon carbide devices, protection devices, rectifiers, current limiting diodes, bipolar power transistors, standard, and custom small-signal transistors, and thyristors. Except for the industry-standard surface mount, the company’s products also support bare die, MDMs (Multi Discrete Modules?), through-hole packages. With the loyal and high-quality brand image it has built, Central keeps leveraging its service capability and benefit more and more customers through exclusive high-tech products.
Frequently Asked Questions In 2N4403
What is 2N4403?
The 2N4403 transistor is a general-purpose PNP transistor used in low-power switching and amplifier applications.
What is the recommended operating temperature of the component?
-65°C-150°C.
What is the package of the device?
TO-92.
What is the component’s number of pins?
3.