Product Overview
Motorola 2N2222A NPN Silicon Transistor in the TO-18 Metal Can, 40V and 0.8A
Condition
New, unused stock. The can carries the encircled Motorola M logo followed by the 2N2222A part number, crisp and fully legible in the photos, with a lot character following the number that is only partly readable at this angle. The three leads are full length and straight, with no bends, no cut marks, and no solder anywhere on them. The steel can shows the normal mottled tone of factory plating and the small index tab at the flange is intact. Sold as a single piece from deep shelf stock.
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Product Overview
The 2N2222A is the higher-voltage member of the 2N2222 small signal NPN family, and this is the original hermetic metal can version rather than a plastic-package equivalent. It is a single-element NPN silicon bipolar transistor rated at 40V V(BR)CEO with 0.8A I(C), housed in the TO-18 three-lead can with the index tab at the flange that the photos show clearly. Motorola built this part into a general purpose switching and small signal amplifier role, and the metal can outline is what a lot of older boards, sockets, and service manuals were laid out around. If a repair calls for the metal can silhouette and the Motorola marking rather than a modern plastic substitute, this is that part.
Key Features
- Part number: 2N2222A, marked on the can under the encircled Motorola M logo
- Type: NPN silicon bipolar, 1-element small signal transistor
- V(BR)CEO: 40V
- I(C): 0.8A
- Package: TO-18 hermetic metal can, three leads, index tab at the flange
- Leads: full length, straight, unsoldered as shown in the photos
- Condition: new, unused stock, sold by the piece
- Other ratings not listed here are not confirmed - verify against the datasheet before use
Applications
- A restorer rebuilding a 1970s receiver or test set who needs the metal can outline to match the original board layout and the service manual
- A bench technician replacing a failed small signal switching stage in legacy industrial control gear
- A ham operator building a low-power keying, driver, or buffer stage where a hermetic can is preferred
- An electronics student or prototyper who wants a known NPN switch on the breadboard instead of an unmarked bag part
Frequently Asked Questions
Is this the metal can 2N2222A, or a plastic-package equivalent?
Metal can. The photos show the TO-18 hermetic steel case with three leads and the index tab at the flange, marked with the encircled Motorola M and the 2N2222A number. Nothing about this piece is a plastic TO-92 substitute.
How do I tell the leads apart on this package?
The TO-18 case has a small tab at the flange that serves as the orientation reference, and it is visible in the photos. The specific lead assignment is not confirmed by us here - check the pinout against the 2N2222A datasheet before you wire it in, since the metal case itself can also be tied to a lead in this family.
Is there a readable date or lot code on these?
A character follows the part number on the can, but it is only partly legible in the photos and codes vary piece to piece across a lot this size. Buy for the part number and the ratings, not for a specific code, because we cannot promise which one lands in your envelope.
I only need a few. Why buy three or five here instead of a bag of 100?
Because you can order the exact count your bench actually needs. We are deep on this transistor, so one for a repair, three for a prototype, or a dozen for the parts drawer are all fine, and you are not forced into a lot of 50 or 100 to get a part you needed one of. Shipping is a flat $8, free once your order passes $28, and orders leave our Idaho warehouse the same or next business day.
A metal can barely wider than a pencil eraser, still wearing the encircled Motorola M, from the years when a general purpose NPN was something you soldered rather than something you scrolled past. Take the count your project needs and put it back to work.
