RK73Z1HRTTC Equivalent & Substitute Parts

Part Overview

The RK73Z1HRTTC is a 0 Ohms jumper chip resistor in 0201 package (0603 Metric) manufactured by KOA Speer Electronics, Inc. This component is classified as Not For New Designs, indicating it has been superseded in the product lifecycle. The part features anti-sulfur coating, automotive AEC-Q200 qualification, and moisture-resistant thick film construction, making it suitable for automotive and harsh environment applications. Finding equivalent substitute parts is necessary due to the discontinued design status and potential inventory constraints.

Substiute Parts

RK73Z1HRTTC

KOA Speer Electronics, Inc.In Stock: 54946RK73Z1HRTTC Datasheet

Current PartRFQ

RK73Z1HRTTCM

KOA Speer Electronics, Inc.In Stock: 705RK73Z1HRTTCM Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the RK73Z1HRTTC is determined by the following critical parameters:

• Resistance Value: 0 Ohms (jumper function)
• Package Type: 0201 (0603 Metric) form factor
• Composition: Thick Film construction
• Automotive Qualification: AEC-Q200 certification
• Environmental Features: Anti-sulfur and moisture-resistant properties
• Operating Temperature: -55°C ~ 155°C range
• Compliance: ROHS3 and REACH Unaffected status

The substitute part RK73Z1HRTTCM maintains all critical electrical and mechanical parameters while offering Active product status, making it a direct functional equivalent for new designs and ongoing production requirements.

Parameter Comparison

Engineering Selection Recommendations

The RK73Z1HRTTCM is the recommended substitute for the RK73Z1HRTTC based on the following engineering criteria:

• Product Status Alignment: The substitute part carries Active status, making it suitable for new designs and long-term production support, whereas the original part is designated Not For New Designs.
• Compliance Maintenance: Both parts maintain identical AEC-Q200 automotive qualification, ROHS3 compliance, and REACH Unaffected status, ensuring regulatory requirements are met.
• Functional Equivalence: Electrical and mechanical parameters are identical, including 0 Ohms resistance, 0201 package form factor, and -55°C ~ 155°C operating temperature range.
• Environmental Specifications: Both parts feature anti-sulfur and automotive-grade thick film construction with MSL 1 rating, suitable for harsh automotive environments.

Selection of RK73Z1HRTTCM eliminates obsolescence risk while maintaining full compatibility with existing circuit designs and manufacturing processes.

Frequently Asked Questions (FAQ)

Q: Can RK73Z1HRTTCM be used as a direct replacement for RK73Z1HRTTC in existing designs?

A: Yes. Both parts are electrically and mechanically identical with matching 0 Ohms resistance, 0201 package dimensions, operating temperature range, and AEC-Q200 automotive qualification. The substitute part is compatible with existing PCB layouts and assembly processes.

Q: Why is the original RK73Z1HRTTC marked as Not For New Designs?

A: This designation indicates the part has reached end-of-life status in the manufacturer's product lifecycle. The RK73Z1HRTTCM represents the active replacement offering continued support and availability for new production.

Q: Are there any differences in environmental performance between these parts?

A: Both parts feature anti-sulfur coating and moisture-resistant thick film construction with identical MSL 1 rating. The substitute part maintains the same environmental protection specifications required for automotive applications.

Q: What is the significance of the 0201 package specification?

A: The 0201 package (0603 Metric) is a miniature surface-mount form factor with dimensions of 0.024" L x 0.012" W. This specification is critical for PCB layout compatibility and must be maintained when selecting substitutes.

Q: Are both parts RoHS3 compliant?

A: Yes. Both RK73Z1HRTTC and RK73Z1HRTTCM are ROHS3 compliant and REACH Unaffected, meeting current environmental and regulatory requirements for electronic components.