TO-3 socket for chassis-mount power transistors
The 4601 is a 3-position socket for TO-3 transistor packages, mounted to the chassis with solder termination and a closed-frame polyester housing rated UL94 V-0.
Keystone 4601 TO-3 Transistor Socket, 3-Pos, Tin
MPN4601
Active
Keystone Electronics transistor TO-3 socket, order code 4601, 3 positions (oval grid), tin-plated brass contacts, solder termination, chassis mount, closed frame, UL94 V-0 polyester housing, bulk package.
$2.2600Ref. price · indicative, final on quote
RoHSROHS3 Compliant
Sourced new & surplus through independent channelsAuthenticity-screened · ESD-safe packingListing updated Aug 2026
Specifications
| Parameter | Value |
|---|---|
| Type | Transistor, TO-3 |
| Mounting | Chassis Mount |
| Housing material | Polyester, Glass Filled |
| Contact material - post | Brass |
| Contact material - mating | Brass |
| Material flammability rating | UL94 V-0 |
| Package | Bulk |
| Features | Closed Frame |
| Termination | Solder |
| Contact finish - post | Tin |
| Contact finish - mating | Tin |
| Number of positions or pins | 3 (Oval) |
Product details
Frequently asked questions
What is the 4601's listed type on this IC & Device Sockets line?
The 4601 is listed as a Transistor, TO-3 socket — it accepts standard TO-3 transistor packages with an oval 3-pin grid.