Component Insulators, Mounts, Spacers

Image Part Number Description / PDF Quantity Rfq
7717-18NG

7717-18NG

Aavid

MOUNT CIRCULAR TO18 0.100"

2081

102-100

102-100

Califia Lighting (Bivar)

MOUNT CIRCULAR TO18 0.100"

637

4683

4683

Keystone Electronics Corp.

INSULATOR CIRCULAR GEN PURP

1200

18PTI1HDWOB

18PTI1HDWOB

Richco, Inc. (Essentra Components)

TRANSISTOR INSULATOR, TO-3, WITH

1829

HTRTC-1A

HTRTC-1A

Richco, Inc. (Essentra Components)

INSULATOR RECT TO220 0.213"

2147

18PTI1WOB

18PTI1WOB

Richco, Inc. (Essentra Components)

TRANSISTOR INSULATOR, TO-3, WITH

757

115-100

115-100

Califia Lighting (Bivar)

MOUNT CIRCULAR TO18 0.100"

99

7717-7DAPG

7717-7DAPG

Aavid

MOUNT CIRCULAR TO18 0.125"

9708

18PTI2HDWOB

18PTI2HDWOB

Richco, Inc. (Essentra Components)

TRANSISTOR INSULATOR, TO-66, WIT

4000

CER-3

CER-3

Richco, Inc. (Essentra Components)

SPACER TUBULAR GEN PURP

2624

110-030

110-030

Califia Lighting (Bivar)

MOUNT CIRCULAR TO18 0.030"

10

109-045

109-045

Califia Lighting (Bivar)

MOUNT CIRCULAR TO18 0.045"

6318

TO-8-060

TO-8-060

Califia Lighting (Bivar)

SPACER TUBULAR GEN PURP 0.060"

32

CSR8-591-01

CSR8-591-01

Richco, Inc. (Essentra Components)

SPACER TUBULAR GEN PURP 0.591"

1601

423-125

423-125

Califia Lighting (Bivar)

MOUNT RECT TO202/220 0.125"

249

501-075

501-075

Califia Lighting (Bivar)

MOUNT CIRCULAR TO5 0.075"

0

V4538R

V4538R

ASSMANN WSW Components

SPACER CIRCULAR GEN PURP

899410000

126-110

126-110

Califia Lighting (Bivar)

MOUNT SQUARE TO5/TO18 0.110"

0

7717-122DAPG

7717-122DAPG

Aavid

MOUNT CIRCULAR GEN PURP 0.070"

0

412-020

412-020

Califia Lighting (Bivar)

MOUNT CIRCULAR GEN PURP 0.020"

0

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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