PCB Connectors | McMaster-Carr

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100,000 ohm to 199,999 ohm

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1,219 Products

Electrical Power, Networking, and Controlling

Molex Connectors

Plugs, sockets, and housings for making Molex connections

38 products

USB Connectors

Plugs, sockets, receptacles, and adapters to make USB connections

18 products

Amphenol Connectors

Attach wires to a circuit board

16 products

D-Sub Connectors

Plugs, sockets, receptacles, and adapters for connecting computers, monitors, and printers

18 products

RJ45 Sockets

Pair with plugs to make Ethernet connections

2 products

Power Receptacles

Install in a wall or panel to transmit power to plugs or sockets

15 products

ix Industrial Sockets

Pair with plugs to add ix Industrial connections to printed circuit boards

6 products

Audio Receptacles

Install in walls and panels and pair with plugs to make audio connections

7 products

Terminal Blocks

Create tidy rows of wire connections that you can identify, test, and adjust on the spot

25 products

Circuit Board Cords

Short lengths of terminated wire make temporary connections on circuit boards

24 products

Wrap Wire

Wrap around a circuit board post terminal without the need for soldering

11 products

Development Board Cords

Connect your development board to components such as sensors and actuators

7 products

Circuit Board Connectors

Connect flat flexible cable to circuit boards

10 products

Development Board Sensor Modules

Transform your development board into everything from an airflow monitor to a motion detector

17 products

Circuit Board Terminals

Connect wire to circuit boards

9 products

Circuit Board Capacitors

Store electrical energy then release it all at once to briefly boost power to circuit boards

59 products

Circuit Board Voltage Regulators

Power circuits from a high-voltage source without frying your system

15 products

Circuit Board Cable

Flat and flexible, connect circuit boards inside electronic devices

20 products

Snap-Acting Switches

Open and close circuits quickly to minimize arcing and sticking; often used as door-open indicators

23 products

Magnetic Switches

Actuate when a magnet comes within sensing distance; often used to detect when doors or windows open

2 products

Push-Button Switches

Our most common switch type actuates circuits with the push of a button

14 products

Proximity Sensors

Detect the presence or position of objects from a short sensing distance

2 products

DIP Switches

Slide actuators to open or close each circuit to configure instructions for electronic devices

7 products

Diodes

Route current in one direction and block it in the other to protect sensitive electronics

93 products

Electronic Component Assortments

Include diodes, rectifiers, and transistors to convert current or amplify electronic signals

2 products

Varistors

Protect sensors, programmable logic controllers, and other small components from electrical surges

20 products

Resistors

Limit the electrical current flowing through circuits, adjust signal levels, and divide voltages

491 products

Inductors

Resist changes in current to protect circuit board components from surges

15 products

Relays

Electrically open and close circuits to control power to lights, motors, and other equipment

23 products

Safety Relays

Monitor circuits and force machines to a safe stop if the relay detects a fault

23 products

Transformers

Raise or lower voltage to meet the needs of an individual circuit

60 products

Rectifiers

Convert AC voltage to a constant DC voltage on a circuit board

30 products

Battery Holders

Create an electrical connection between batteries and contacts to power equipment

4 products

Battery Contacts

Add or replace contacts in battery holders and circuit boards

7 products

Lighting

Light Transmitters

Light up small and hard-to-reach areas such as the inside of models, prototypes, and circuit boards

18 products

Light Bulbs

Standard household, miniature, compact, and tubular bulbs

26 products

Light Pipes

Concentrate and direct light from the bulb on a circuit board to a display

16 products

Communication

Display Screens

Display text, numbers, symbols, and other information from your electronics

23 products