Resistors-Chassis Mount

Part Number	Description / PDF	Quantity
HCF216J100RJ TE Connectivity AMP Connectors	HCF216 200W 100R 5% LEAD	10
HSA50330RJ TE Connectivity AMP Connectors	RES CHAS MNT 330 OHM 5% 50W	715
TJT250680RJ TE Connectivity AMP Connectors	RES CHAS MNT 680 OHM 5% 250W	28
SQBW30330RJFASTON TE Connectivity AMP Connectors	RES CHAS MNT 330 OHM 5% 30W	861
HSC3001K0J TE Connectivity AMP Connectors	RES CHAS MNT 1K OHM 5% 300W	2
TE200B18RJ TE Connectivity AMP Connectors	RES CHAS MNT 18 OHM 5% 200W	5
THS5039RJ TE Connectivity AMP Connectors	RES CHAS MNT 39 OHM 5% 50W	286
BDS2A100100RK TE Connectivity AMP Connectors	RES CHAS MNT 100 OHM 10% 100W	0
TE200B47RJ TE Connectivity AMP Connectors	RES CHAS MNT 47 OHM 5% 200W	28
TE500B12RJ TE Connectivity AMP Connectors	RES CHAS MNT 12 OHM 5% 500W	3
HSA2533RF TE Connectivity AMP Connectors	RES CHAS MNT 33 OHM 1% 25W	184
HSA5047RJ TE Connectivity AMP Connectors	RES CHAS MNT 47 OHM 5% 50W	891
HSC7513RJ TE Connectivity AMP Connectors	RES CHAS MNT 13 OHM 5% 75W	103
TE1000B1R5J TE Connectivity AMP Connectors	RES CHAS MNT 1.5 OHM 5% 1000W	0
TE150B330RJ TE Connectivity AMP Connectors	RES CHAS MNT 330 OHM 5% 150W	20
HCF216J47RJ TE Connectivity AMP Connectors	HCF216 200W 47R 5% LEAD	9
THS756R8J TE Connectivity AMP Connectors	RES CHAS MNT 6.8 OHM 5% 75W	40
TE60B27RJ TE Connectivity AMP Connectors	RES CHAS MNT 27 OHM 5% 60W	0
HSC30010KJ TE Connectivity AMP Connectors	RES CHAS MNT 10K OHM 5% 300W	24
THS502K7J TE Connectivity AMP Connectors	RES CHAS MNT 2.7K OHM 5% 50W	183

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

Type	Functional Features	Application Examples
Wirewound Chassis Mount	High precision, pulse stability, 10-100W power rating	Industrial motor drives, test equipment
Film Type Chassis Mount	Low noise, fast response, 5-50W rating	Communication infrastructure, medical devices
Ceramic Composite Mount	High-temperature resistance, 50-300W rating	EV 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

Parameter	Importance	Typical Range
Rated Power	Determines thermal handling capacity	5-500W
Resistance Range	Affects current regulation precision	0.1 -100k
Tolerance	Impacts circuit accuracy	0.5% to 5%
Temperature Coefficient	Stability over operating temperature	50-200ppm/ C
Dielectric Strength	Safety insulation performance	1.5-5kV

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

Manufacturer	Representative Product	Key Features
Vishay Precision Group	CPW-100	100W wirewound, 0.1% tolerance
Ohmite Manufacturing	270 series	500W ceramic housing, IP65 rated
Panasonic Electronic	ERJ-P11	Thin-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.