Component Insulators, Mounts, Spacers

Image Part Number Description / PDF Quantity Rfq
TO-102-120

TO-102-120

Califia Lighting (Bivar)

SPACER RECT GEN PURP 0.120"

0

303-250

303-250

Califia Lighting (Bivar)

MOUNT RECT CAPACITORS 0.250"

749

100-095

100-095

Califia Lighting (Bivar)

MOUNT CIRCULAR TO18 0.094"

264

22CM0200

22CM0200

Richco, Inc. (Essentra Components)

CAPACITOR MOUNT, .290 LONG, .045

2500

IEC-TO-218-18

IEC-TO-218-18

Richco, Inc. (Essentra Components)

INSULATOR RECT TO218 0.240"

0

22CM0150

22CM0150

Richco, Inc. (Essentra Components)

CAPACITOR MOUNT, .270 LONG, .045

3000

CER-2

CER-2

Richco, Inc. (Essentra Components)

SPACER TUBULAR GEN PURP

9634

305-350

305-350

Califia Lighting (Bivar)

MOUNT RECT CAPACITORS 0.350"

0

CSR4-295-01

CSR4-295-01

Richco, Inc. (Essentra Components)

SPACER TUBULAR GEN PURP 0.295"

2700

424-150

424-150

Califia Lighting (Bivar)

MOUNT RECT TO202/220 0.150"

0

4681

4681

Keystone Electronics Corp.

INSULATOR CIRCULAR GEN PURP

12769100

352-600

352-600

Califia Lighting (Bivar)

MOUNT RECT CAPACITORS 0.090"

4593

306-400

306-400

Califia Lighting (Bivar)

MOUNT RECT CAPACITORS 0.045"

59

117-080

117-080

Califia Lighting (Bivar)

MOUNT CIRCULAR TO18 0.080"

152

CER-1

CER-1

Richco, Inc. (Essentra Components)

SPACER TUBULAR GEN PURP

9147

304-300

304-300

Califia Lighting (Bivar)

MOUNT RECT CAPACITORS 0.045"

0

9779807025

9779807025

Würth Elektronik Midcom

WA-SCAP DISTANCE CAP FOR SMT STE

1081

TO-22-040

TO-22-040

Califia Lighting (Bivar)

SPACER TUBULAR GEN PURP 0.039"

0

126-090

126-090

Califia Lighting (Bivar)

MOUNT SQUARE TO5/TO18 0.090"

0

7717-5NG

7717-5NG

Aavid

MOUNT CIRCULAR TO5 0.125"

10493

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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