Circuit Board Connectors | McMaster-Carr

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Electrical Connector Component

Computer Connection Type

Mounting Location

Printed Circuit Board

System of Measurement

Wattage

Less than 0.25 W

0.25 W to 0.49 W

0.5 W to 0.99 W

Shape

For Wire Gauge

Resistance

Less than 100,000 ohm

100,000 ohm to 199,999 ohm

200,000 ohm to 299,999 ohm

300,000 ohm to 999,999 ohm

1,000,000 ohm or greater

Voltage

RoHS

Compliant with Exemptions

Export Control Classification Number (ECCN)

REACH

DFARS Specialty Metals

Number of Wires

Signal Type

Color

Material

Silicone Rubber

Stainless Steel

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1,250 Products

Electrical

D-Sub Connectors

D-Sub Connectors

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

Molex Connectors

Molex Connectors

Plugs, sockets, and housings for making Molex connections

Amphenol Connectors

Amphenol Connectors

Attach wires to a circuit board

Power Receptacles

Power Receptacles

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

USB Connectors

Plugs, sockets, and receptacles to make USB connections

Circuit Board Connectors

Circuit Board Connectors

Connect flat flexible cable to circuit boards

RJ45 Sockets

Pair with plugs to make Ethernet connections

Audio Receptacles

Audio Receptacles

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

ix Industrial Sockets

ix Industrial Sockets

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

Development Board Cords

Development Board Cords

Connect your development board to components such as sensors and actuators

Circuit Board Cords

Circuit Board Cords

Short lengths of terminated wire make temporary connections on circuit boards

Circuit Board Cable

Circuit Board Cable

Flat and flexible, connect circuit boards inside electronic devices

Circuit Board Headers

Circuit Board Headers

Make quick connections to development boards and other circuit boards when prototyping

Terminal Blocks

Terminal Blocks

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

Circuit Board Terminals

Circuit Board Terminals

Connect wire to circuit boards

Wrap Wire

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

Battery Contacts

Battery Contacts

Add or replace contacts in battery holders and circuit boards

Battery Holders

Battery Holders

Create an electrical connection between batteries and contacts to power equipment

Circuit Board Capacitors

Circuit Board Capacitors

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

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

Diodes

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

Varistors

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

Inductors

Resist changes in current to protect circuit board components from surges

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

Electronic Component Kits

Electronic Component Kits

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

Sensor Switches

Sensor Switches

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

Snap-Acting Switches

Snap-Acting Switches

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

Relays

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

Manual Switches

Manual Switches

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

Magnetic Switches

Magnetic Switches

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

Fabricating and Machining

Electronic-Component Positioning Stands

Electronic-Component Positioning Stands

Pin components against a circuit board to free up your hands for soldering

Vises

Secure workpieces in place

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.)