Keystone 5012 White PCB Test Points Through-Hole 4 PCS

Genuine Keystone Electronics 5012 white insulated printed circuit board test points, supplied as one lot containing 4 pieces from original Mouser Electronics distributor-labeled stock.
These multipurpose through-hole PCB test points provide convenient electrical connection points for diagnostic instruments, test leads, and circuit measurement equipment.
Each test point features a conductive phosphor-bronze terminal and a white insulated base designed for installation on printed circuit boards.
The loop-style terminal provides an accessible point for attaching compatible test clips during troubleshooting, calibration, prototype development, and electronic servicing.
Suitable for electronic test equipment, industrial controls, power supplies, communications electronics, prototype boards, development circuits, and vintage electronic equipment restoration.
TECHNICAL SPECIFICATIONS:
Manufacturer: Keystone Electronics
Series: THM
Product Type: Multipurpose PCB Test Point
Manufacturer Part Number: 5012
Color: White
Contact Material: Phosphor Bronze
Contact Finish: Silver Plated
Mounting: Through-Hole
Body Diameter: 0.125 inch (3.18 mm)
Overall Length: Approximately 0.445 inch (11.3 mm)
Recommended Mounting Hole: 0.063 inch (1.60 mm)
Insulation: Molded insulating base
RoHS: Compliant per distributor label
Original Distributor: Mouser Electronics
Country of Origin: United States, per distributor label
Packaging: Original distributor-labeled stock
Lot Size: 4 Pieces
HISTORICAL BACKGROUND:
Keystone Electronics is an established American manufacturer of electronic interconnect components, PCB hardware, battery contacts, terminals, test points, and other hardware used in electronic manufacturing and repair.
Printed circuit board test points became important as electronic equipment transitioned from point-to-point wiring to densely populated printed circuit assemblies.
Early electronic service technicians frequently relied on exposed component terminals and wiring connections to take electrical measurements. As circuit-board designs became more complex, dedicated test points provided accessible locations for attaching measurement equipment without disturbing surrounding components.
Through-hole test points became common in industrial controls, communications equipment, test instruments, power supplies, and electronic development boards.
Keystone developed multiple styles of PCB test points, including compact terminals and insulated loop-style designs intended for convenient electrical measurement access.
The Keystone 5012 is a white insulated multipurpose test point featuring a phosphor-bronze conductive terminal and through-hole mounting construction.
Its loop-style terminal supports temporary connection of compatible test clips, helping technicians perform circuit measurements during troubleshooting and servicing.
The original Mouser distributor packaging identifies the product as a white PCB test point and lists the United States as its country of origin.
LIFECYCLE: ACTIVE