When did 2N2222 appear?
The NPN 2N2222 transistor is used in applications that require amplification of low currents and low or medium voltages. 2N2222 is a very common electronic component, meaning it has a general use.
2N2222 belongs to a family of devices described by Motorola at a convention IRE (Institute of Radio Engineers) since 1962. Since then it has been made by many semiconductor companies such as: ITT Semiconductors, CRP Industries, IPRS Baneasa, National Semiconductor etc.
Production of transistor 2N2222 at IPRS Baneasa
IPRS was created in 1962 and has provided over time the components necessary for the development of the industry of professional equipment, automation and computer technology, primarily for the development of the industrial branches of Romania.
The export was permanently conditioned by the assurance to the greatest extent of the internal necessities. But the guaranteed quality of IPRS products has created the necessary conditions for the sale of these components on the foreign market as well. Thus, it was exported, without confrontations with quality problems or complaints, approx. 30% of value production, 25% of physical production, ie tens of millions of components.
Representative in the export of the 2200 section were the diodes 1N148, BA 244, transistors 2N2369 A, BF 173, BB 126, BC 171-174, 2N2222, 2N2222A, BF 458 and electronic toys. Section 2300 exports significant 40 A and 60 A axles. Section 2400 exports Integrated Circuits. In 1990 IPRS had 9000 employees, was privatized in 1999 and went bankrupt after 2000.
Below we present macro pictures inside the transistor capsule produced by Motorola, ITT Semiconductors, CRP Industries, IPRS Baneasa and National Semiconductor.
1. IPRS Baneasa 2N2222 - NPN, 40V, 800mA, 500mW, TO18 capsule
2. ITT Semiconductors 2N2222A - NPN, 40V, 800mA, TO-18 capsule
3. CRP Industries JAN2N2222A - NPN
4. Motorola 2N2222 - NPN, 30V, 800mA, TO-18 capsule
5. National Semiconductor 2N2222A - NPN
3,111 total hits, 2 hits today