Component Insulators, Mounts, Spacers

Image Part Number Description / PDF Quantity Rfq
302-200

302-200

Califia Lighting (Bivar)

MOUNT RECT CAPACITORS 0.043"

8435

112-040

112-040

Califia Lighting (Bivar)

MOUNT CIRCULAR TO18 0.040"

0

19PTI2

19PTI2

Richco, Inc. (Essentra Components)

TRANSISTOR INSULATOR, TO-66, WIT

1000

43-05-2G

43-05-2G

Aavid

INSULATOR CIRCULAR TO5 0.002"

826

20PTI1HD

20PTI1HD

Richco, Inc. (Essentra Components)

TRANSISTOR INSULATOR, TO-3, WITH

1000

4679

4679

Keystone Electronics Corp.

INSULATOR CIRCULAR GEN PURP

3700

108-021

108-021

Califia Lighting (Bivar)

MOUNT CIRCULAR TO18 0.021"

40

520-021

520-021

Califia Lighting (Bivar)

MOUNT CIRCULAR TO5 0.021"

690

CSR8-787-01

CSR8-787-01

Richco, Inc. (Essentra Components)

SPACER TUBULAR GEN PURP 0.787"

5413

111-080

111-080

Califia Lighting (Bivar)

MOUNT CIRCULAR TO18 0.080"

31417

102-200

102-200

Califia Lighting (Bivar)

MOUNT CIRCULAR TO18 0.200"

912

TO-8-070

TO-8-070

Califia Lighting (Bivar)

SPACER TUBULAR GEN PURP 0.070"

695

102-070

102-070

Califia Lighting (Bivar)

MOUNT CIRCULAR TO18 0.070"

0

TO-33-050

TO-33-050

Califia Lighting (Bivar)

SPACER CIRCULAR GEN PURP 0.050"

0

1393564-6

1393564-6

TE Connectivity AMP Connectors

MOUNT RECTANGULAR GEN PURP

9446

7717-16DAPG

7717-16DAPG

Aavid

MOUNT CIRCULAR TO18 0.020"

9220

4680

4680

Keystone Electronics Corp.

INSULATOR CIRCULAR GEN PURP

35951100

423-150

423-150

Califia Lighting (Bivar)

MOUNT RECT TO202/220 0.150"

0

300-100

300-100

Califia Lighting (Bivar)

MOUNT RECT CAPACITORS 0.045"

0

CSR6-394-01

CSR6-394-01

Richco, Inc. (Essentra Components)

SPACER TUBULAR GEN PURP 0.394"

1917

Component Insulators, Mounts, Spacers

1. Overview

Component insulators, mounts, and spacers are essential hardware elements for mechanical support, electrical isolation, and positional alignment in electronic and industrial systems. Insulators prevent unintended current flow, mounts provide structural fixation, and spacers maintain precise gaps between components. Their importance spans across electronics, automotive, aerospace, and industrial equipment sectors.

2. Main Types and Functional Classification

TypeFunctional CharacteristicsApplication Examples
Ceramic InsulatorsHigh voltage resistance, thermal stabilityPower transformers, switchgear
Plastic SpacersLightweight, corrosion-resistantConsumer electronics assembly
Panel MountsVibration damping, panel fixationIndustrial control cabinets
Conductive MountsEMI shielding, groundingTelecom equipment enclosures

3. Structure and Composition

Insulators typically feature dielectric materials (ceramic, polymer) with precise geometries. Mounts combine load-bearing structures (metal/zinc alloys) with damping elements (rubber/elastomers). Spacers exhibit cylindrical/square profiles with center holes, made from materials like nylon, aluminum, or stainless steel. Surface treatments include passivation for corrosion resistance and threaded features for secure assembly.

4. Key Technical Specifications

ParameterImportance
Dielectric Strength (kV/mm)Determines voltage isolation capability
Load Capacity (N)Structural integrity under mechanical stress
Temperature Range ( C)Operational stability in extreme environments
Material Hardness (Shore/Brinell)Affects wear resistance and damping performance
Thread Engagement DepthEnsures secure fastening in vibration-prone applications

5. Application Fields

  • Electronics Manufacturing: PCB mounting systems
  • Automotive: Battery pack insulation in EVs
  • Aerospace: Vibration damping for avionics
  • Industrial Machinery: Motor mounting systems
  • Telecommunications: RF shielding enclosures

6. Leading Manufacturers and Products

ManufacturerRepresentative Products
TE ConnectivityRaychem insulating boots, AMP Mounting Clips
3MDyneon polymer insulators
HellermannTytonFixMount vibration-damping brackets
PEMSelf-clinching spacers for sheet metal

7. Selection Recommendations

Key considerations include: environmental conditions (temperature, humidity), mechanical load requirements, electrical insulation needs, material compatibility with mating components, and regulatory certifications (UL, RoHS). For high-vibration environments, prioritize mounts with integrated damping features. In miniaturized electronics, select spacers with tight dimensional tolerances.

8. Industry Trends

Current developments focus on nanocomposite materials for enhanced dielectric properties, additive manufacturing for complex geometries, and integration of smart sensors in mounting systems. Market demands are driving toward miniaturization, multifunctional designs combining insulation with thermal management, and sustainable production processes using recycled polymers.

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