PCB Connectors | McMaster-Carr

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Electrical Connection

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Electrical Connection Component

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Less than 0.25 W

0.25 W to 0.4 W

Resistance

Less than 100,000 Ω

100,000 Ω to 199,999 Ω

200,000 Ω to 299,999 Ω

300,000 Ω to 999,999 Ω

1,000,000 Ω or greater

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Compliant with Exemptions

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1,228 Products

Electrical

Development Board Cords

Development Board Cords

Connect your development board to components such as sensors and actuators

Electrical Plugs

Electrical Plugs

Pair with sockets or receptacles to transmit power or data

Electrical Sockets

Electrical Sockets

Pair with plugs or receptacles to transmit power or data

Terminal Blocks

Terminal Blocks

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

Electrical Connector Contacts

Electrical Connector Contacts

Crimp wire into pins and sleeves to create custom Molex or Amphenol connectors

Electrical Cords

Electrical Cords

Connect equipment and devices to a power supply

Circuit Board Terminals

Circuit Board Terminals

Connect wire to circuit boards

Electrical Wire

Electrical Wire

Make single-wire connections; generally for lower voltages and shorter distances than cable

Electrical Cable

Electrical Cable

Make multi-wire connections; generally for higher voltages and longer distances than wire

Development Board Sensor Modules

Development Board Sensor Modules

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

Manual Switches

Manual Switches

Everything from toggle, push-button, and rocker switches to foot switches

Relays

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

Snap-Acting Switches

Snap-Acting Switches

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

Sensor Switches

Sensor Switches

Detect moving objects from a distance, triggering a circuit to open or close

Magnetic Switches

Magnetic Switches

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

Resistors

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

Circuit Board Voltage Regulators

Circuit Board Voltage Regulators

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

Varistors

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

Diodes

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

Transformers

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

Rectifiers

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

Inductors

Resist changes in current to protect circuit board components from surges

Battery Holders

Battery Holders

Create an electrical connection between batteries and contacts to power equipment

Electronic Component Kits

Electronic Component Kits

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

Circuit Board Capacitors

Circuit Board Capacitors

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

Battery Contacts

Battery Contacts

Add or replace contacts in battery holders and circuit boards

Lighting

Light Bulbs

Standard household, miniature, compact, tubular, ultraviolet, infrared, and blacklight bulbs

Light Transmitters

Light Transmitters

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

Light Pipes

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

Communication

Display Screens

Display Screens

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

The quick brown fox jumped over the lazy dog. Pedestal (35" Ht. x 4" Wd. x 4" Dp.)