HS25 1K5 F Equivalent & Substitute Parts

Part Overview

The HS25 1K5 F is a 25-watt wirewound chassis mount resistor manufactured by Ohmite, rated at 1.5 kOhms with ±1% tolerance. This component is designed for high-power applications requiring stable resistance performance in aluminum-housed configurations with flanged mounting. The part maintains Active product status with full RoHS compliance and unlimited moisture sensitivity rating (MSL 1). Substitute parts are identified when equivalent electrical specifications, mechanical dimensions, and compliance certifications align with the original component requirements.

Substiute Parts

HS25 1K5 F

OhmiteIn Stock: 1155HS25 1K5 F Datasheet

Current PartRFQ

825F1K5E

ARCOLIn Stock: 821825F1K5E Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

The ARCOL 825F1K5E qualifies as a direct substitute based on the following alignment of critical parameters:

• Identical resistance value: 1.5 kOhms
• Matching tolerance specification: ±1%
• Equivalent power rating: 25W
• Same composition type: Wirewound
• Identical housing material: Aluminum
• Matching mounting configuration: Flanges with solder lugs
• Identical physical dimensions: 1.075" L x 1.102" W x 0.583" H
• Equivalent compliance: RoHS Compliant, MSL 1

The substitute maintains functional and mechanical interchangeability with the original part across all specified parameters.

Parameter Comparison

Engineering Selection Recommendations

Both the HS25 1K5 F and 825F1K5E maintain Active product status with full RoHS compliance and equivalent MSL ratings. The ARCOL 825F1K5E presents a valid substitute option based on matching electrical specifications, identical mechanical dimensions, and equivalent environmental certifications. The temperature coefficient variance (25ppm/°C versus ±20ppm/°C) falls within acceptable operational parameters for standard chassis mount resistor applications. Component selection should be based on availability, lead time requirements, and procurement specifications for the target application.

Frequently Asked Questions (FAQ)

Q: Can the ARCOL 825F1K5E be used as a direct replacement for the Ohmite HS25 1K5 F?

A: Yes. Both components share identical resistance, tolerance, power rating, composition, housing material, mounting configuration, and physical dimensions. The parts are mechanically and electrically interchangeable.

Q: What is the significance of the temperature coefficient difference?

A: The HS25 1K5 F specifies 25ppm/°C while the 825F1K5E specifies ±20ppm/°C. Both values are within standard wirewound resistor performance ranges and do not prevent substitution in typical chassis mount applications.

Q: Are both parts RoHS compliant?

A: Yes. Both the HS25 1K5 F and 825F1K5E carry RoHS Compliant certification with MSL 1 (Unlimited) moisture sensitivity ratings.

Q: Do the parts have identical physical dimensions?

A: Yes. Both components measure 1.075" L x 1.102" W with a seated height of 0.583", ensuring mechanical compatibility in existing PCB layouts and chassis assemblies.

Q: What packaging differences exist between these parts?

A: The HS25 1K5 F is supplied in Box packaging, while the 825F1K5E is supplied in Bulk packaging. This distinction affects order quantities and handling but does not impact component functionality or performance.