HS50 R56 J Equivalent & Substitute Parts

Part Overview

The HS50 R56 J is a 560 mOhms ±5% 50W wirewound chassis mount resistor manufactured by Ohmite, part of the ARCOL HS series. This component is designed for high-power applications requiring stable resistance values with controlled thermal characteristics. The part maintains Active product status with 1125 units in current inventory. Substitute parts are identified when equivalent electrical specifications and mechanical compatibility allow direct replacement in circuit designs, particularly when power rating flexibility or dimensional constraints necessitate alternative configurations.

Substiute Parts

HS50 R56 J

OhmiteIn Stock: 1202HS50 R56 J Datasheet

Current PartRFQ

HS25 R56 J

OhmiteIn Stock: 811HS25 R56 J Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

The HS25 R56 J qualifies as a parametric equivalent based on matching electrical specifications: identical 560 mOhms resistance value, ±5% tolerance, ±100ppm/°C temperature coefficient, and wirewound composition. Both parts share aluminum housing with flanged mounting features and solder lug terminations. The primary distinction is power rating: the HS50 R56 J is rated for 50W continuous dissipation, while the HS25 R56 J is rated for 25W. Substitution is valid when circuit thermal requirements do not exceed 25W power dissipation. Both parts maintain ROHS3 compliance and Active product status, ensuring regulatory and supply chain continuity.

Parameter Comparison

Engineering Selection Recommendations

Selection between HS50 R56 J and HS25 R56 J depends on circuit power dissipation requirements. The HS50 R56 J provides 50W continuous rating and is the primary choice for applications requiring maximum thermal headroom. The HS25 R56 J is suitable for circuits dissipating 25W or less, offering a more compact form factor (27.30mm vs 49.10mm length) while maintaining identical electrical performance and mechanical compatibility. Both parts are Active status with current inventory availability and ROHS3 compliance, supporting long-term design stability and regulatory requirements.

Frequently Asked Questions (FAQ)

Q: Can HS25 R56 J replace HS50 R56 J in all applications? A: No. The HS25 R56 J is suitable only when circuit power dissipation does not exceed 25W. Applications requiring 25W to 50W dissipation must use the HS50 R56 J to prevent thermal stress and component failure.

Q: Are the electrical specifications identical between these parts? A: Yes. Both parts provide 560 mOhms ±5% resistance with ±100ppm/°C temperature coefficient and wirewound composition, ensuring equivalent electrical performance in circuit operation.

Q: What is the primary dimensional difference? A: The HS50 R56 J measures 49.10mm in length, while the HS25 R56 J measures 27.30mm. Width and height dimensions are identical. The length difference reflects the increased thermal mass required for 50W power handling.

Q: Are both parts RoHS compliant? A: Yes. Both HS50 R56 J and HS25 R56 J are ROHS3 compliant, meeting environmental and regulatory requirements for electronic component manufacturing and use.

Q: Can these parts be used interchangeably on the same PCB layout? A: Mechanical compatibility exists due to identical width, height, and mounting features. However, the length difference requires PCB layout verification. The HS25 R56 J's shorter length may allow tighter component spacing, while the HS50 R56 J requires additional board real estate.