RK73B1HTTC152G Equivalent & Substitute Parts

Part Overview

The RK73B1HTTC152G is a 1.5 kOhms ±2% thick film chip resistor in 0201 package (0603 Metric) rated for 0.05W power dissipation. This component is manufactured by KOA Speer Electronics, Inc. and meets automotive AEC-Q200 qualification standards. The part is currently classified as "Not For New Designs," indicating it has been superseded in the manufacturer's product line. Identifying equivalent substitute parts is necessary to maintain design continuity, ensure supply chain availability, and support existing production requirements for applications utilizing this resistor specification.

Substiute Parts

RK73B1HTTC152G

KOA Speer Electronics, Inc.In Stock: 882RK73B1HTTC152G Datasheet

Current PartRFQ

RK73B1HTTCM152G

KOA Speer Electronics, Inc.In Stock: 813RK73B1HTTCM152G Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the RK73B1HTTC152G is determined by strict equivalence across the following critical parameters:

Electrical Parameters:

• Resistance value: 1.5 kOhms (exact match required)
• Tolerance: ±2% (exact match required)
• Power rating: 0.05W / 1/20W (exact match required)
• Temperature coefficient: ±200ppm/°C (exact match required)
• Operating temperature range: -55°C ~ 155°C (exact match required)

Mechanical Parameters:

• Package / Case: 0201 (0603 Metric) (exact match required)
• Physical dimensions: 0.024" L x 0.012" W (0.60mm x 0.30mm) (exact match required)
• Height - Seated (Max): 0.010" (0.26mm) (exact match required)
• Number of terminations: 2 (exact match required)

Compliance & Certification:

• Automotive AEC-Q200 qualification (required for automotive applications)
• RoHS3 compliance (required for regulatory conformance)
• Moisture Sensitivity Level 1 (required for handling and storage compatibility)

Substitute parts must match all parameters listed above. Variations in any electrical, mechanical, or compliance parameter disqualify a part from direct substitution.

Parameter Comparison

Engineering Selection Recommendations

RK73B1HTTCM152G is the direct substitute for RK73B1HTTC152G based on the following engineering criteria:

Electrical Equivalence: All electrical parameters are identical, including resistance value, tolerance, power rating, temperature coefficient, and operating temperature range. The parts are functionally interchangeable in circuit applications.

Mechanical Compatibility: Physical dimensions, package type, and termination configuration are identical. The 0201 (0603 Metric) package ensures PCB layout and assembly compatibility without design modification.

Compliance & Certification: Both parts maintain AEC-Q200 automotive qualification, ROHS3 compliance, and MSL 1 rating. The substitute part meets all regulatory and quality standards required for the original part.

Product Status Advantage: The substitute part RK73B1HTTCM152G carries "Active" product status, indicating ongoing manufacturer support, continued availability, and suitability for new designs. The original part RK73B1HTTC152G is classified as "Not For New Designs," making the substitute the recommended choice for sustained supply chain reliability.

Selection Basis: Selection of RK73B1HTTCM152G is based solely on verified parameter equivalence and active product status. No additional testing or qualification is required beyond standard component receiving inspection procedures.

Frequently Asked Questions (FAQ)

Q: Can RK73B1HTTCM152G be used as a direct replacement for RK73B1HTTC152G in existing designs?

A: Yes. All electrical, mechanical, and compliance parameters are identical. The substitute part is a direct replacement requiring no circuit design changes or PCB layout modifications.

Q: What is the significance of the product status difference between the two parts?

A: The original part RK73B1HTTC152G is classified as "Not For New Designs," indicating the manufacturer has discontinued active development and support. RK73B1HTTCM152G carries "Active" status, ensuring ongoing availability, manufacturer support, and suitability for new production designs.

Q: Are there any differences in packaging or handling requirements?

A: No. Both parts use identical 0201 (0603 Metric) packaging with MSL 1 rating. Handling, storage, and assembly procedures are identical.

Q: Does the substitute part maintain automotive AEC-Q200 qualification?

A: Yes. RK73B1HTTCM152G is fully qualified to AEC-Q200 automotive standards, identical to the original part.

Q: Are there any tolerance or performance differences between the two parts?

A: No. Resistance tolerance (±2%), temperature coefficient (±200ppm/°C), and all electrical specifications are identical.

Q: What is the inventory status of the substitute part?

A: RK73B1HTTCM152G has 790 pieces in stock as new original inventory, providing immediate availability for production requirements.