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2N4903 +BOM

TO-3 Power Transistor

Manufacturer:

Microchip
Mfr.Part #:

2N4903
Datasheet:

2N4903 Datasheet (PDF)
Mounting Style:

Through Hole
Transistor Polarity:

PNP
Configuration:

Single
Collector- Emitter Voltage VCEO Max:

80 V
EDA/CAD Models:

Request Free CAD Models for 2N4903

2N4903 General Description

The 2N4903 is a PNP silicon transistor commonly used in electronic circuits for amplification and switching purposes. It features high current and voltage ratings, making it suitable for various applications.The transistor has a maximum collector current of 0.5A and a maximum collector-emitter voltage of 40V, allowing it to handle moderate power levels. It has a low collector-emitter saturation voltage of 0.6V at 100mA, reducing power dissipation and improving efficiency.The 2N4903 is housed in a TO-92 package, which is a widely used package type for small-signal transistors. This package provides good thermal characteristics and ease of mounting on a circuit board.The transistor has a gain bandwidth product of 100MHz and a transition frequency of 50MHz, making it suitable for high-frequency amplification applications. It has a low input capacitance of 7pF and a low output capacitance of 7pF, ensuring minimal signal distortion at high frequencies.

Key Features

Digital thermometer sensor
LED driver IC module
Power voltage regulator module
Solid state relay module

Application

Audio preamplifier circuits
Power management circuits
Differential amplifier circuits

Specifications

Product Category	Bipolar Transistors - BJT	Mounting Style	Through Hole
Transistor Polarity	PNP	Configuration	Single
Collector- Emitter Voltage VCEO Max	80 V	Collector-Emitter Saturation Voltage	1.5 V
Maximum DC Collector Current	5 A	Pd - Power Dissipation	87 W
Gain Bandwidth Product fT	4 MHz	Minimum Operating Temperature	- 65 C
Maximum Operating Temperature	+ 200 C	Product Type	BJTs - Bipolar Transistors
Factory Pack Quantity	1	Subcategory	Transistors
Technology	Si