Kits & Tools

Onlinecomponents.com stocks more than 1,195 Kits & Tools parts from 87 manufacturers, covering applications across Assembly Tools, Component Kits, PC Card Inserters, Extractors & Guides. Featured suppliers include TE Connectivity / AMP Brand, Molex / Waldom, Calmark Birtcher, Panduit, Pomona Electronics, Mueller Electric and many more, with authorized distribution, datasheets, and tiered pricing on every part. Browse Kits & Tools by taxonomies — Assembly Tools (390), Component Kits (637), PC Card Inserters, Extractors & Guides (168) — or refine results using the supplier, availability, RoHS, and part-status filters on the left. All Kits & Tools listings include real-time inventory, RoHS status, and lead-time information; request a quote on any restricted or low-availability item directly from its product page.

Electronic component kits and tools combine commonly used parts with the instruments needed to assemble, test, and troubleshoot electronic projects. These kits accelerate prototyping and small-scale production for design engineers, technicians, educators, and hobbyists by packaging resistors, capacitors, connectors, soldering supplies, and measurement instruments into organized assortments ready for immediate use. Online Components supports buyer confidence with verified U.S.-based inventory, clear supplier authentication, and reliable domestic shipping, ensuring orders arrive on schedule and meet manufacturer specifications.

How to Choose the Right Electronic Component Kits and Tools

Start by defining the electrical and mechanical requirements, including voltage, current, tolerance, temperature range, and connector form factor, so that the kit contents fit within your design margins. Check the manufacturer's datasheets for tolerance, temperature coefficient, and power ratings instead of relying on summary descriptions, and account for environmental demands if the device will be subjected to vibration, moisture, or thermal cycling. Consider electrostatic discharge (ESD) protection for sensitive devices, tool ergonomics for repeated use, and whether included meters, crimpers, or soldering irons meet your accuracy and durability requirements. Prioritize supplier authentication and part traceability to reduce counterfeit risk and simplify compliance documentation.

Popular Applications for Electronic Component Kits and Tools

Component kits and tools support industrial automation, automotive electronics, consumer electronics repair, medical device prototyping, and STEM (science, technology, engineering, and mathematics) education. In automation and control systems, resistor assortments, relay packs, and connector kits expedite control-panel assembly and minimize machine downtime by maintaining common spares on hand. Automotive and power-electronics teams rely on heat-shrink tubing, heavy-duty crimp tools, and high-current test equipment to meet durability and safety requirements in demanding environments. Maker spaces and classrooms use starter kits, breadboards, and basic tooling to teach circuit fundamentals and accelerate hands-on learning for new engineers.

Why Buy Electronic Component Kits and Tools from Online Components

Select online components for verified U.S.-based inventory, expedited domestic shipping, and transparent supplier authentication that supports engineering and procurement workflows. Our product pages link directly to manufacturer datasheets, indicate authorized distributor status when applicable, and display compatible SKUs to simplify bill of materials (BOM) management for prototyping and low-volume production. Responsive technical support, a straightforward online ordering experience, and predictable fulfillment make replenishing kits and tooling efficient for engineering teams and maintenance crews.

Electronic Component Kits and Tools: What You Need to Know

What's included in a typical electronic component kit?

Typical kits include passive and active components (resistors, capacitors, diodes, and transistors), as well as connectors, jumper wires, headers, and common assembly supplies. Many kits also include a compact toolset or breadboard, allowing you to prototype immediately.

Are the tools in kits suitable for industrial use?

Quality varies: benchtop and hobby kits are suitable for prototyping and light production, while industrial work requires certified crimpers, calibrated meters, torque tools, and equipment with specified working ranges and safety certifications.

How do I verify component specifications before purchase?

Always consult manufacturer datasheets linked on the product page for electrical characteristics, tolerances, and environmental ratings, and compare those values to your design margins before ordering.

Can kits be customized to match a BOM?

Yes. Engineers commonly start with a base kit and add specific SKUs or request custom assortments to match a BOM for prototyping or short production runs, which streamlines procurement and reduces lead time.

See More
Featured Related Products

Calmark Birtcher 125-06-2.25 - PCB Card Retainer - 2.25" L - 1.6" Thk PCB - Passivated - St...

Calmark Birtcher

PCB Card Retainer - 2.25" L - 1.6" Thk PCB - Passivated - Stainless Steel.

  • In Stock: 566

    Immediately


  • 10
    $3.94
  • 25
    $3.75
  • 100
    $3.56
See More

Calmark Birtcher 40-5-14-LF - Wedge-Lok - 5 Segment - Non-shafted Design - Profile 5.72 mm...

Calmark Birtcher

Wedge-Lok - 5 Segment - Non-shafted Design - Profile 5.72 mm (0.225") x 6.60 mm (0.260") - 177.80mm (7.0") Length ...

  • In Stock: 100

    Immediately


  • 1
    $64.08
  • 6
    $60.88
  • 13
    $42.14
See More

Calmark Birtcher A280-4.80ET4LK - 4.8 Inch Length Screw Actuated Card Lok PCB Retainer With Bl...

Calmark Birtcher

4.8 Inch Length Screw Actuated Card Lok PCB Retainer With Black Anodized Finish - 4-40 Tapped Hole Mounting.

  • In Stock: 74

    Immediately


  • 1
    $69.22
  • 4
    $65.76
  • 8
    $49.32
See More
  • In Stock: 72

    Immediately


  • 10
    $4.08
  • 50
    $3.31
  • 100
    $3.30
See More

Calmark Birtcher P701S-1 - Inserter/Extractor - Pre-installed Pin - Chemical Film Finis...

Calmark Birtcher

Inserter/Extractor - Pre-installed Pin - Chemical Film Finish - 1.33" (33 mm) Length.

  • In Stock: 60

    Immediately


  • 1
    $90.32
  • 3
    $85.80
  • 6
    $64.35
See More

Calmark Birtcher A265-7.80ET2LK - Card-Lok - 5 Segment - Shafted Design - Profile 5.72 mm (0.2...

Calmark Birtcher

Card-Lok - 5 Segment - Shafted Design - Profile 5.72 mm (0.225") x 5.84 mm (0.230") - 198.12mm (7.8") L - Lock Pa ...

  • In Stock: 50

    Immediately


  • 1
    $46.732
  • 6
    $44.396
  • 13
    $30.736
See More

Calmark Birtcher CCKJ01-CD-2 - nVent Schroff | Birtcher | CCKJ01-CD-2 | conduction-cooled k...

Calmark Birtcher

nVent Schroff | Birtcher | CCKJ01-CD-2 | conduction-cooled key

  • In Stock: 22

    Immediately


  • 9
    $29.56
  • 18
    $22.17
  • 26
    $21.48
See More

Calmark Birtcher MVA280-5.80ETM3L - Card-Lok - 5 Segment - Shafted Design - Profile 9.27 mm (0.3...

Calmark Birtcher

Card-Lok - 5 Segment - Shafted Design - Profile 9.27 mm (0.365") x 9.65 mm (0.380") - 147.32mm (5.8") Length - M3 ...

  • In Stock: 9

    Immediately


  • 1
    $60.132
  • 6
    $57.125
  • 13
    $39.548
See More

TE Connectivity / AMP Brand 525442-1 - Plug Gauge, Hand Tool

TE Connectivity / AMP Brand

Plug Gauge, Hand Tool

  • In Stock: 3

    Immediately


  • 1
    $514.79
  • 3
    $513.50
  • 5
    $379.20
See More

Panduit CT-2500BC - Rechargeable Tool Battery For Use With The CT-2500 And CT-26...

Panduit

Rechargeable Tool Battery For Use With The CT-2500 And CT-2600

  • In Stock: 3

    Immediately


  • 1
    $694.22
  • 3
    $684.49
  • 5 +
    $679.96
See More

Eclipse Tools NT-3200 - Mini-Pocket Tester Kit With Adaptors

Eclipse Tools

Mini-Pocket Tester Kit With Adaptors

  • In Stock: 2

    Immediately


  • 1
    $23.21
  • 5
    $22.41
  • 10
    $21.88
See More
  • In Stock: 2

    Immediately


  • 1
    $227.87
  • 3
    $225.11
  • 5
    $223.83
See More
  • In Stock: 2

    Immediately


  • 1
    $1,580.68
  • 3
    $1,530.35
  • 5 +
    $1,415.60
See More

TE Connectivity / AMP Brand 2217483-1 - KIT, BTLI, DOUBLE ACTION HEAD

TE Connectivity / AMP Brand

KIT, BTLI, DOUBLE ACTION HEAD

  • In Stock: 1

    Immediately


  • 1
    $7,849.36
  • 2
    $7,829.73
  • 3
    $7,810.16
See More

TE Connectivity / AMP Brand 48087 - DAHT CLOSED END SPLICES 22-14 ASSY

TE Connectivity / AMP Brand

DAHT CLOSED END SPLICES 22-14 ASSY

  • In Stock: 1

    Immediately


  • 1
    $5,644.43
  • 3
    $5,487.06
  • 5 +
    $5,198.26
See More
  • In Stock: 1

    Immediately


  • 1
    $10,263.31
  • 3
    $8,210.65
  • 5
    $7,697.48
See More

TE Connectivity / AMP Brand 91585-1 - CCII 070 TYPE 20-16 ASSY

TE Connectivity / AMP Brand

CCII 070 TYPE 20-16 ASSY

  • In Stock: 1

    Immediately


  • 1
    $2,409.02
  • 3
    $2,403.00
  • 5
    $1,521.90
See More

TE Connectivity / AMP Brand 91546-1 - CCII 53 SERIES TAPER PIN 20-18 ASSY

TE Connectivity / AMP Brand

CCII 53 SERIES TAPER PIN 20-18 ASSY

  • 13 Weeks

  • 1
    $1,174.30
  • 3
    $1,127.33
  • 5 +
    $1,068.00
See More

Bud Industries G-25043 - Black Glass Filled Virgin Polycarbonate Guide Card

Bud Industries

Black Glass Filled Virgin Polycarbonate Guide Card

  • 2 Weeks

  • 20
    $0.456
  • 50
    $0.447
  • 100
    $0.438
See More

TE Connectivity / AMP Brand 45219-2 - DAHT AMP CLOSED END SPLICES 22-10 ASSY

TE Connectivity / AMP Brand

DAHT AMP CLOSED END SPLICES 22-10 ASSY

  • 13 Weeks

  • 2
    $5,663.93
  • 3
    $3,857.16
  • 4
    $2,953.77
See More
  • 20 Weeks

  • 2
    $684.12
  • 3
    $561.33
  • 4
    $499.94
See More

Cinch / Cinch Connectivity Solutions 50-GP-1B - Black Polypropylene Guide Card

Cinch / Cinch Connectivity Solutions

Black Polypropylene Guide Card

  • 12 Weeks

  • 10
    $3.62
  • 100
    $1.95
  • 250
    $1.85
See More

TE Connectivity / AMP Brand 811262-1 - Amplimite Subminature D, Nut Driver Tool

TE Connectivity / AMP Brand

Amplimite Subminature D, Nut Driver Tool

  • 4 Weeks

  • 3
    $265.31
  • 5
    $195.92
  • 8
    $145.41
See More

Panduit FHSCT - Field Polish Termination Kits And Components, Heat Shrink Cu...

Panduit

Field Polish Termination Kits And Components, Heat Shrink Curing Tool

  • 6 Weeks

  • 1
    $497.69
  • 3
    $484.05
  • 5 +
    $482.84
See More

TE Connectivity / AMP Brand 47689 - DAHT 88 SERIES 14-12 ASSY

TE Connectivity / AMP Brand

DAHT 88 SERIES 14-12 ASSY

  • 39 Weeks

  • 1
    $4,473.21
  • 3
    $4,357.02
  • 5 +
    $3,834.18
See More

Join the circuit, keeping you connected to OnlineComponents.com and beyond!