Equivalent & Substitute Parts for RK73B1HRTTC162J

Part Overview

The RK73B1HRTTC162J is a 1.6 kOhms ±5% chip resistor manufactured by KOA Speer Electronics, Inc., designed for 0.05W (1/20W) applications in 0201 package format. This component features anti-sulfur coating and automotive AEC-Q200 qualification, making it suitable for harsh automotive environments. The part is currently classified as "Not For New Designs," which necessitates identification of active alternative components that maintain electrical and mechanical compatibility.

Substiute Parts

RK73B1HRTTC162J

KOA Speer Electronics, Inc.In Stock: 725RK73B1HRTTC162J Datasheet

Current PartRFQ

RK73B1HRTTCM162J

KOA Speer Electronics, Inc.In Stock: 875RK73B1HRTTCM162J Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the RK73B1HRTTC162J is determined by strict equivalence across the following critical parameters:

• Resistance value: 1.6 kOhms
• Tolerance: ±5%
• Power rating: 0.05W (1/20W)
• Package format: 0201 (0603 Metric)
• Composition: Thick Film
• Temperature coefficient: ±200ppm/°C
• Operating temperature range: -55°C ~ 155°C
• Automotive qualification: AEC-Q200
• Anti-sulfur feature presence
• Regulatory compliance: ROHS3, REACH Unaffected

The substitute part RK73B1HRTTCM162J meets all these criteria and is manufactured by the same supplier, ensuring direct functional and mechanical compatibility.

Parameter Comparison

Engineering Selection Recommendations

The RK73B1HRTTCM162J is the direct substitute for RK73B1HRTTC162J. Both components are manufactured by KOA Speer Electronics, Inc., and maintain identical electrical specifications, mechanical dimensions, and automotive qualifications. The primary distinction is product status: the original part is classified as "Not For New Designs," while the substitute is Active. For new designs and ongoing production, RK73B1HRTTCM162J is the appropriate selection. Both parts carry ROHS3 compliance and REACH Unaffected status, meeting current regulatory requirements for automotive and industrial applications.

Frequently Asked Questions (FAQ)

Q: Can RK73B1HRTTCM162J be used as a direct replacement for RK73B1HRTTC162J in existing assemblies?

A: Yes. Both parts are electrically and mechanically identical across all specified parameters, including resistance value, tolerance, power rating, package dimensions, temperature coefficient, and operating temperature range. They are interchangeable at the component level.

Q: What is the significance of the product status difference?

A: The original part (RK73B1HRTTC162J) is marked "Not For New Designs," indicating KOA Speer Electronics, Inc. recommends against its use in new product development. The substitute (RK73B1HRTTCM162J) carries "Active" status, confirming ongoing manufacturing support and suitability for new designs.

Q: Are the 0201 package dimensions identical between both parts?

A: Yes. Both components are specified at 0.024" L x 0.012" W (0.60mm x 0.30mm) with a maximum seated height of 0.010" (0.26mm), ensuring identical PCB footprint compatibility.

Q: Do both parts meet automotive qualification standards?

A: Yes. Both RK73B1HRTTC162J and RK73B1HRTTCM162J carry AEC-Q200 automotive qualification and feature anti-sulfur coating, qualifying them for automotive environments.

Q: What is the moisture sensitivity level for these components?

A: Both parts are rated MSL 1 (Unlimited), indicating no moisture sensitivity restrictions and no special storage or handling requirements.