What is 2N2218?


This is (2N221x/A) Switching Silicon Transistors.

A switching regulator, also known as a switch-mode power supply, is a type of voltage regulator that uses a switching element. Unlike linear regulators, which adjust the output voltage by using a resistive element to drop the excess voltage, switching regulators work by rapidly switching the input voltage on and off to produce a regulated output voltage.


[PDF] Complete Technical Details can be found in the 2N2218 datasheet provided at this page.

Summary in PDF File


NPN 2N2218 2N2218A 2N2219 2N2219A SWITCHING SILICON TRANSISTORS The 2N2218 A and 2N2219 A are NPN transistors mounted in TO 39 metal case They are designed for high speed switching applications and feature useful current gain over a wide range of collector current low leakage currents and low saturation voltages Compliance to RoHS ABSOLUTE MAXIMUM RATINGS Value Symbol Ratings www DataSheet net 2N2218 2N2219 30 60 5 800 2N2218 A 2N2219 A 40 75 6 Unit VCEO VCBO VEBO IC PD Collector Emitter Voltage Collector Base Voltage Emitter Base Voltage Collector Current Tamb 25 Total Power Dissipation Tcase 25 V V V mA W 0 8 3 175 65 to 200 C C TJ TStg Junction Temperature Storage Temperature range THERMAL CHARACTERISTICS Symbol RthJ a RthJ c Ratings Thermal Resistance Junction to ambient in free air Thermal Resistance Junction to case Value 50 187 5 Unit C W C W 1 4 Datasheet pdf http www DataSheet4U co kr NPN 2N2218 2N2218A 2N2219 2N2219A ELECTRICAL CHARACTERISTICS TC 25 C unless otherwise noted Symbol ICBO Ratings Collector Cutoff Current Emitter Cutoff Current Collector Cutoff Current Collector Emitter Breakdown Voltage Collector Base Breakdown Voltage Emitter Base Breakdown Voltage VCB 50 V IE 0

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[ Detailed Data ]


Switching regulators are typically more efficient than linear regulators, as they can handle larger voltage changes with less power loss. They are also more compact and lighter, making them ideal for use in portable electronic devices. Additionally, switching regulators are capable of regulating a wider range of voltage levels and can handle higher current loads.

Manufacturers : Comset Semiconductor

COMSET - 2N2218 Datasheet PDF

COMSET 2N2218 TRANSISTOR

(2N221x/A) Switching Silicon Transistors

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Datasheet 2N2218.PDF DownLoad ( COMSET )


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