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Resistors-Chassis Mount

Image Part Number Description / PDF Quantity Rfq
FSE100022E15R0KE

FSE100022E15R0KE

Vishay / Huntington Electric, Inc.

RES CHAS MNT 15 OHM 10% 1000W

1
RBEF030012R00KFB00

RBEF030012R00KFB00

Vishay / Huntington Electric, Inc.

300W 12 OHM RIBBON-WIRE FIXED

0
FVTS05R2E300R0JE

FVTS05R2E300R0JE

Vishay / Huntington Electric, Inc.

RES CHAS MNT 300 OHM 5% 5W

0
FVTS05R2E25R00JE

FVTS05R2E25R00JE

Vishay / Huntington Electric, Inc.

RES CHAS MNT 25 OHM 5% 5W

27
FVT20020E100R0JE

FVT20020E100R0JE

Vishay / Huntington Electric, Inc.

RES CHAS MNT 100 OHM 5% 225W

67
FVTS10R1E35R00JE

FVTS10R1E35R00JE

Vishay / Huntington Electric, Inc.

RES CHAS MNT 35 OHM 5% 12W

0
MCRL007022R00JHB00

MCRL007022R00JHB00

Vishay / Huntington Electric, Inc.

METAL CASE 70W, 22 OHMS

0
FVTS05R2E5K000JE

FVTS05R2E5K000JE

Vishay / Huntington Electric, Inc.

RES CHAS MNT 5K OHM 5% 5W

0
FVTS05R2E600R0JE

FVTS05R2E600R0JE

Vishay / Huntington Electric, Inc.

RES CHAS MNT 600 OHM 5% 5W

1
MCRL00701R000KHB00

MCRL00701R000KHB00

Vishay / Huntington Electric, Inc.

RES CHAS MNT 1 OHM 10% 70W

0
FSOT5509ER5000KE

FSOT5509ER5000KE

Vishay / Huntington Electric, Inc.

RES CHAS MNT 0.5 OHM 10% 55W

0
MCRL004525R00KHB00

MCRL004525R00KHB00

Vishay / Huntington Electric, Inc.

RES CHAS MNT 25 OHM 10% 45W

0
FVT20020E250R0JE

FVT20020E250R0JE

Vishay / Huntington Electric, Inc.

RES CHAS MNT 250 OHM 5% 225W

243
FVTS10R1E500R0JE

FVTS10R1E500R0JE

Vishay / Huntington Electric, Inc.

RES CHAS MNT 500 OHM 5% 12W

0
FVT02506E3R000JE

FVT02506E3R000JE

Vishay / Huntington Electric, Inc.

RES CHAS MNT 3 OHM 5% 25W

21
RBEA030050R00KFB00

RBEA030050R00KFB00

Vishay / Huntington Electric, Inc.

300W 50 OHM RIBBON-WIRE ADJUSTAB

0
FVTS05R2E1K250JE

FVTS05R2E1K250JE

Vishay / Huntington Electric, Inc.

RES CHAS MNT 1.25K OHM 5% 5W

0
FSOT5509E250R0KE

FSOT5509E250R0KE

Vishay / Huntington Electric, Inc.

RES CHAS MNT 250 OHM 10% 55W

0
FVTS10R1E25R00JE

FVTS10R1E25R00JE

Vishay / Huntington Electric, Inc.

RES CHAS MNT 25 OHM 5% 12W

0
MCRL00701K200KHB00

MCRL00701K200KHB00

Vishay / Huntington Electric, Inc.

METAL CASE 70W, 1200 OHMS

0

Resistors-Chassis Mount

1. Overview

Chassis Mount Resistors are specialized electronic components designed for direct mounting onto equipment chassis or heat sinks. They provide critical functions including current limiting, voltage division, and energy dissipation in high-power applications. Their importance in modern technology lies in enabling thermal management stability and electrical performance in industrial, automotive, and power electronics systems.

2. Major Types and Functional Classification

TypeFunctional FeaturesApplication Examples
Wirewound Chassis MountHigh precision, pulse stability, 10-100W power ratingIndustrial motor drives, test equipment
Film Type Chassis MountLow noise, fast response, 5-50W ratingCommunication infrastructure, medical devices
Ceramic Composite MountHigh-temperature resistance, 50-300W ratingEV charging systems, renewable energy inverters

3. Structure and Composition

Typical construction includes:

  • Aluminum alloy heat-dissipating housing (surface-anodized for insulation)
  • High-purity ceramic substrate with resistive element (NiCr or TaN)
  • Multi-layer silicone coating for vibration resistance
  • Brass/copper alloy mounting terminals (anti-corrosion plated)

Thermal interface materials (TIM) ensure efficient heat transfer to chassis.

4. Key Technical Specifications

ParameterImportanceTypical Range
Rated PowerDetermines thermal handling capacity5-500W
Resistance RangeAffects current regulation precision0.1 -100k
ToleranceImpacts circuit accuracy 0.5% to 5%
Temperature CoefficientStability over operating temperature50-200ppm/ C
Dielectric StrengthSafety insulation performance1.5-5kV

5. Application Fields

Primary industries include:

  • Industrial automation (variable frequency drives, PLCs)
  • Renewable energy (solar inverters, wind turbine converters)
  • Transportation (EV on-board chargers, railway traction systems)
  • Telecommunications (base station power amplifiers, data center PSUs)

Case Study: 300W ceramic composite resistors in EV fast chargers enable 15-minute battery charging cycles.

6. Leading Manufacturers and Products

ManufacturerRepresentative ProductKey Features
Vishay Precision GroupCPW-100100W wirewound, 0.1% tolerance
Ohmite Manufacturing270 series500W ceramic housing, IP65 rated
Panasonic ElectronicERJ-P11Thin-film technology, 100ppm/ C stability

7. Selection Guidelines

Key considerations:

  • Calculate required power derating (70% of max rating recommended)
  • Match resistance value with system voltage/current requirements
  • Evaluate thermal interface compatibility with chassis
  • Consider environmental factors (humidity, vibration, ambient temperature)
  • Budget allocation: High-reliability models may cost 2-3 standard versions

8. Industry Trends Analysis

Current development trends include:

  • Nano-ceramic materials enabling 40% smaller form factors
  • Integrated temperature sensing resistors for smart power systems
  • Graphene-enhanced thermal coatings improving heat dissipation by 25%
  • Automotive-grade models supporting 150 C operating temperatures
  • Industry 4.0 compatibility with IoT-enabled resistance monitoring

Market projections indicate 8.7% CAGR through 2030 driven by EV and 5G infrastructure demands.

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