HSC300100RJ Equivalent & Substitute Parts

Part Overview

The HSC300100RJ is a 100 Ohms ±5% 300W wirewound chassis mount resistor manufactured by TE Connectivity Passive Product. This component is designed for high-power applications requiring stable resistance performance across extended temperature ranges. The part is classified as Active product status with full ROHS3 compliance and REACH unaffected designation. Substitute parts become necessary when application constraints require reduced power dissipation capacity, space limitations, or inventory availability considerations while maintaining identical electrical specifications.

Key Parameters

Parameter	Value
Resistance	100 Ohms
Tolerance	±5%
Power Rating	300W
Composition	Wirewound
Temperature Coefficient	±50ppm/°C
Operating Temperature Range	-55°C to 200°C
Mounting Feature	Flanges
Lead Style	Terminal Screw Type
Housing Type	Aluminum
Series	HS, CGS
RoHS Status	ROHS3 Compliant

Substitute Part Grouping Explanation

Substitute parts for the HSC300100RJ are selected based on strict electrical and mechanical parameter alignment. All substitute parts maintain identical specifications for resistance value (100 Ohms), tolerance (±5%), temperature coefficient (±50ppm/°C), operating temperature range (-55°C to 200°C), composition (wirewound), mounting configuration (flanges), lead style (terminal screw type), and housing material (aluminum). The primary differentiating parameter is power rating, which varies across the substitute group. Substitution is valid when application power requirements do not exceed the substitute part's power rating specification. All substitute parts share the same series designation (HS, CGS), active product status, and full compliance certifications (ROHS3, REACH unaffected).

Parameter Comparison

Parameter	HSC300100RJ (Main)	HSC250100RJ	HSC200100RJ
Resistance	100 Ohms	100 Ohms	100 Ohms
Tolerance	±5%	±5%	±5%
Power Rating (Watts)	300W	250W	200W
Temperature Coefficient	±50ppm/°C	±50ppm/°C	±50ppm/°C
Operating Temperature	-55°C to 200°C	-55°C to 200°C	-55°C to 200°C
Composition	Wirewound	Wirewound	Wirewound
Mounting Feature	Flanges	Flanges	Flanges
Lead Style	Terminal Screw Type	Terminal Screw Type	Terminal Screw Type
Housing Type	Aluminum	Aluminum	Aluminum
Series	HS, CGS	HS, CGS	HS, CGS
Length (mm)	128.00	109.00	90.00
Width (mm)	73.00	73.00	73.00
Height - Seated Max (mm)	42.00	42.00	42.00
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
REACH Status	REACH Unaffected	REACH Unaffected	REACH Unaffected

Engineering Selection Recommendations

Selection between HSC300100RJ and its substitute parts is determined by application power dissipation requirements. The HSC300100RJ provides maximum power handling at 300W and is specified for applications requiring the full 300W capacity. The HSC250100RJ substitute operates at 250W and is suitable for applications where power dissipation does not exceed this threshold, offering a more compact form factor (109.00mm length versus 128.00mm). The HSC200100RJ substitute operates at 200W with the smallest footprint (90.00mm length) and is applicable to lower power dissipation scenarios.

All three parts maintain identical electrical performance characteristics including resistance accuracy, temperature stability, and operating temperature range. All parts carry active product status and full compliance certifications (ROHS3 Compliant, REACH Unaffected). Selection should be based on the maximum continuous power dissipation expected in the application circuit. Parts must not be operated above their rated power specification.

Frequently Asked Questions (FAQ)

Q: Can HSC250100RJ or HSC200100RJ be used as direct replacements for HSC300100RJ?

A: Direct replacement is valid only when application power dissipation does not exceed the substitute part's power rating. HSC250100RJ is suitable for applications requiring up to 250W; HSC200100RJ is suitable for applications requiring up to 200W. If the application requires 300W dissipation, only HSC300100RJ meets the specification.

Q: Are there dimensional compatibility concerns when substituting to lower power ratings?

A: Width (73.00mm) and height (42.00mm) dimensions remain constant across all three parts. Length varies: HSC300100RJ measures 128.00mm, HSC250100RJ measures 109.00mm, and HSC200100RJ measures 90.00mm. Mounting footprint compatibility must be verified for the specific application.

Q: Do all substitute parts maintain the same electrical performance?

A: Yes. Resistance (100 Ohms), tolerance (±5%), temperature coefficient (±50ppm/°C), and operating temperature range (-55°C to 200°C) are identical across HSC300100RJ, HSC250100RJ, and HSC200100RJ. The only difference is power rating capacity.

Q: Are compliance certifications identical across all parts?

A: Yes. All three parts are ROHS3 Compliant and REACH Unaffected. All parts carry active product status and are manufactured by TE Connectivity Passive Product within the HS and CGS series.

Q: What is the lead style for all these parts?

A: All parts feature terminal screw type leads with flange mounting configuration, providing identical mechanical interface characteristics.

Q: Can HSC300100RJ be substituted with higher power alternatives?

A: No substitute parts with power ratings exceeding 300W are provided in this equivalency group. HSC300100RJ represents the maximum power capacity within this series of 100 Ohm wirewound chassis mount resistors.

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