2N4401_D81Z

Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Obsolete
Transistor Type:	NPN
Current - Collector (Ic) (Max):	600mA
Voltage - Collector Emitter Breakdown (Max):	40V
Vce Saturation (Max) @ Ib, Ic:	750mV @ 50mA, 500mA
Current - Collector Cutoff (Max):	--
DC Current Gain (hFE) (Min) @ Ic, Vce:	100 @ 150mA, 1V
Power - Max:	625mW
Frequency - Transition:	250MHz
Operating Temperature:	-55°C ~ 150°C (TJ)
Mounting Type:	Through Hole
Package / Case:	TO-226-3, TO-92-3 (TO-226AA) (Formed Leads)
Supplier Device Package:	TO-92-3
Base Part Number:	2N4401

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2N4401_D81Z Application Field and Working Principle

The 2N4401_D81Z is a NPN silicon transistor device belonging to the general family of bipolar junction transistors (BJT). It’s classified as a single transistor, meaning that it consists of a single PN junction and operates over a very wide range of frequencies. The 2N4401_D81Z is a very popular device for usage in digital and analog applications due to its high stability, low noise, and low-voltage operation. This device is specifically designed for small-signal switching applications.

Specifications of the 2N4401_D81Z

The 2N4401_D81Z consists of three distinct layers of semiconductors, which creates a “sandwich” structure consisting of a base, collector, and emitter. The NPN type allows the transistor to act as a switch and can be used to either limit the current flowing through a circuit, or allow a larger current flow. Additionally, the 2N4401_D81Z has the following specifications:

• Collector-emitter voltage: 90V
• Collector-base voltage: 100V
• Emitter-base voltage: 6V
• Continuous collector current: 600mA
• Collector dissipation: 625mW
• DC current gain (hfe): 200 to 500

Applications of the 2N4401_D81Z Transistor

The 2N4401_D81Z provides a high degree of reliability and stability, making it suitable for a variety of applications. It can be used in a wide range of projects, including amplifying audio signals, general-purpose switching, regulating current

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