HS15 1K J Equivalent & Substitute Parts

Part Overview

The HS15 1K J is a 15-watt wirewound chassis mount resistor manufactured by Ohmite, rated at 1 kOhms with ±5% tolerance. This component is designed for applications requiring high power dissipation in a compact aluminum-housed form factor with flanged mounting. The part is currently active in production with 971 units in stock. Substitute parts are identified when equivalent electrical performance and mechanical compatibility can be maintained within the specified parameter ranges for this resistor category.

Substiute Parts

HS15 1K J

OhmiteIn Stock: 1069HS15 1K J Datasheet

Current PartRFQ

HS15 1K F

ARCOLIn Stock: 1076HS15 1K F Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the HS15 1K J is determined by the following critical parameters:

• Resistance value: 1 kOhms (exact match required)
• Power rating: 15W (exact match required)
• Composition: Wirewound (exact match required)
• Housing type: Aluminum (exact match required)
• Mounting feature: Flanges (exact match required)
• Lead style: Solder Lugs (exact match required)

The HS15 1K F qualifies as a parametric equivalent because it maintains all critical electrical and mechanical specifications. Tolerance and temperature coefficient variations within acceptable engineering ranges do not preclude substitution when the primary functional parameters remain constant.

Parameter Comparison

Engineering Selection Recommendations

Both the HS15 1K J and HS15 1K F are active production components with full RoHS compliance. The HS15 1K F offers improved tolerance specification (±1% versus ±5%), which may provide enhanced accuracy in applications with tighter resistance value requirements. Both components maintain identical power ratings, composition, housing type, and mounting characteristics, ensuring mechanical and thermal compatibility in standard chassis mount applications.

The HS15 1K F features a reduced width dimension (0.440" versus 0.827"), which may provide space advantages in compact layouts while maintaining the same length and height specifications. Selection between these parts should be based on tolerance requirements and available board space.

Frequently Asked Questions (FAQ)

Q: Can the HS15 1K F replace the HS15 1K J in existing designs?

A: Yes. Both parts maintain identical resistance values, power ratings, wirewound composition, aluminum housing, flanged mounting, and solder lug leads. The primary differences are tolerance specification and physical width, neither of which prevents direct substitution in standard applications.

Q: What is the significance of the tolerance difference between ±5% and ±1%?

A: Tolerance defines the acceptable range of actual resistance values around the nominal 1 kOhm specification. The HS15 1K F's ±1% tolerance provides tighter resistance accuracy compared to the HS15 1K J's ±5% tolerance. Applications requiring precise resistance values benefit from the improved tolerance of the HS15 1K F.

Q: Are there physical mounting differences between these parts?

A: Both parts feature identical flanged mounting and solder lug lead styles. The HS15 1K F has a reduced width dimension (0.440" versus 0.827"), which may affect board layout considerations but does not impact the mounting interface or thermal performance.

Q: Do both parts meet current environmental compliance standards?

A: Yes. The HS15 1K J is RoHS Compliant, and the HS15 1K F is ROHS3 Compliant. Both parts have Moisture Sensitivity Level 1 (Unlimited), indicating no moisture sensitivity restrictions during storage or handling.

Q: What is the temperature coefficient specification, and how does it affect performance?

A: The HS15 1K J specifies 25ppm/°C, while the HS15 1K F specifies ±25ppm/°C. Temperature coefficient indicates how resistance value changes with temperature. Both specifications fall within standard wirewound resistor performance ranges and are suitable for typical industrial and commercial operating environments.