Home>Components>PN2222 Vs. 2N2222: They Are Equivalents In Most Cases

PN2222 Vs. 2N2222: They Are Equivalents In Most Cases

Q: How much current can a PN2222 handle?

The PN2222 is distinguished from comparable transistors by its ability to switch between high current loads of up to 800 mA. According to different datasheets, this current load could be substantially lower, although the PN2222A always manages high current loads when compared to other transistors.

Q: What is the difference between 2N2222 and 2N2222A?

In terms of Vceo, Vcbo, and Vebo, the 2n2222A performs slightly better. However, if you do not intend to stress the part (by using higher voltages, for example), both will perform well, especially for simple switching and logic circuits. The 2n2222 component is an older style part, which may explain why it is being provided at such a low price.

Sophie

Published: 01 March 2022 | Last Updated: 01 March 2022

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2N2222

Central Semiconductor

Bipolar Transistors - BJT NPN Silicon

Purchase Guide

Bipolar Transistors - BJT NPN Silicon

PN2222 and 2N2222 are both NPN bipolar junction transistors, and they are interchangeable under most circumstances. The article is going to introduce their similarity and differences.

This short video shows the difference between 2N2222 and PN2222 avalanche.

Electronics: Why do the 2N2222 and PN2222 avalanche differently?

Catalog

PN2222 Overview

The PN2222 is a popular NPN bipolar junction transistor that is used for common low-power intensification or swapping circuits. It is designed for low to intermediate current, modest power, and intermediate voltage, and it may operate at a moderately higher speed.

2N2222 Overview

The 2N2222 is a typical NPN bipolar junction transistor (BJT) used in low-power amplifying or switching applications. It is intended for low to medium current, low power, medium voltage, and relatively fast operation. It was originally created in the TO-18 metal container shown in the image.

What Is 2N2222 Used For?

PN2222 Pinout

PN Pinout.jpg

2N2222 Pinout

2N2222 PINOUT.jpg

PN2222 CAD Model

Symbol

pn symbol.png

Footprint

pn footprint.png

2N2222 CAD Model

Symbol

22 symbol.png

Footprint

22 footprint.png

3D Model

22 3d.png

PN2222 Equivalents

Part Number	Description	Manufacturer
PN2222TFTRANSISTORS	600mA, 30V, NPN, Si, SMALL SIGNAL TRANSISTOR, TO-92, LEAD FREE, TO-92, 3 PIN	Rochester Electronics LLC
PH2222TRANSISTORS	Transistor,	North American Philips Discrete Products Div
PN2222-AMMOTRANSISTORS	TRANSISTOR 600 mA, 30 V, NPN, Si, SMALL SIGNAL TRANSISTOR, TO-92, BIP General Purpose Small Signal	NXP Semiconductors
PN2222/J18ZTRANSISTORS	500mA, 30V, NPN, Si, SMALL SIGNAL TRANSISTOR, TO-92	Texas Instruments
PN2222-T/RTRANSISTORS	TRANSISTOR 600 mA, 30 V, NPN, Si, SMALL SIGNAL TRANSISTOR, TO-92, BIP General Purpose Small Signal	NXP Semiconductors
PN2222/D81ZTRANSISTORS	500mA, 30V, NPN, Si, SMALL SIGNAL TRANSISTOR, TO-92	Texas Instruments
PN2222TFRTRANSISTORS	600mA, 30V, NPN, Si, SMALL SIGNAL TRANSISTOR, TO-92, LEAD FREE, TO-92, 3 PIN	Rochester Electronics LLC
PN2222TARTRANSISTORS	Small Signal Bipolar Transistor, 0.6A I(C), 30V V(BR)CEO, 1-Element, NPN, Silicon, TO-92, LEAD FREE, TO-92, 3 PIN	Fairchild Semiconductor Corporation
PN2222/D74ZTRANSISTORS	500mA, 30V, NPN, Si, SMALL SIGNAL TRANSISTOR, TO-92	Texas Instruments
PN2222/D28ZTRANSISTORS	500mA, 30V, NPN, Si, SMALL SIGNAL TRANSISTOR, TO-92	Texas Instruments

The Electrical Characteristics Of PN2222 And 2N2222

PARAMETER	SYMBOL	PN/2N2222
PARAMETER	SYMBOL	MIN	MAX
Collector-Snitter Saturation	vCE（sat）*		0.4
Voltage	vCE（sat）*		1.6
Base-Dnitter Saturation Voltage	vBE（sat）*		1.5 2.6
D.C. Current Gain	hFE *	100	500
Current Oain-Bandwidth Product		250
Collec Capac it ance	Cob		8
Emitter-Base Capacitance	Cib		25
Collector-Base Time Constant	Cgbb'
Noise Figure	NF
Input Impedance	hie・
Voltage Feedback Ratio	hre
Small Si（＜nal Current Gain	hfe
Output Admittance	h°e
Delay Time	td
Rise Time	tr
Storage Time
Fall Time	tf

The Differences Between PN2222 And 2N2222

From above, we can see that there are lot of similarities between them. The two components are interchangeable under most circumstances, but there are just a few differences, like the packages they use are not the same type.

Frequently Asked Questions

How much current can a PN2222 handle?

The PN2222 is distinguished from comparable transistors by its ability to switch between high current loads of up to 800 mA. According to different datasheets, this current load could be substantially lower, although the PN2222A always manages high current loads when compared to other transistors.

What is the difference between 2N2222 and 2N2222A?

In terms of Vceo, Vcbo, and Vebo, the 2n2222A performs slightly better. However, if you do not intend to stress the part (by using higher voltages, for example), both will perform well, especially for simple switching and logic circuits. The 2n2222 component is an older style part, which may explain why it is being provided at such a low price.

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