Equivalent & Substitute Parts for RK73H1HTTC5232F

Part Overview

The RK73H1HTTC5232F is a 52.3 kOhm ±1% thick film chip resistor manufactured by KOA Speer Electronics, Inc., rated for 0.05W (1/20W) power dissipation in a 0201 (0603 Metric) surface mount package. This component is designed for automotive applications and meets AEC-Q200 qualification standards with moisture-resistant construction.

The RK73H1HTTC5232F carries a "Not For New Designs" product status, indicating that KOA Speer Electronics has discontinued this part for new design implementations. Identifying equivalent and substitute parts is necessary to support existing designs, facilitate production continuity, and enable migration to active product lines that maintain identical electrical and mechanical specifications.

Substiute Parts

RK73H1HTTC5232F

KOA Speer Electronics, Inc.In Stock: 4016RK73H1HTTC5232F Datasheet

Current PartRFQ

RK73H1HTTCM5232F

KOA Speer Electronics, Inc.In Stock: 1125RK73H1HTTCM5232F Datasheet

MFR RecommendedRFQ

AC0201FR-0752K3L

YAGEOIn Stock: 830AC0201FR-0752K3L Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the RK73H1HTTC5232F are qualified based on strict electrical and mechanical parameter matching:

Substitution Criteria:

• Resistance value: 52.3 kOhms (exact match required)
• Tolerance: ±1% (exact match required)
• Power rating: 0.05W / 1/20W (exact match required)
• Package: 0201 (0603 Metric) (exact match required)
• Composition: Thick Film (exact match required)
• Temperature coefficient: ±200ppm/°C (exact match required)
• Operating temperature range: -55°C ~ 155°C (exact match required)
• Automotive qualification: AEC-Q200 (exact match required)
• RoHS compliance: ROHS3 Compliant (exact match required)
• Moisture sensitivity: MSL 1 (exact match required)

Substitute parts are grouped into two categories:

Category 1: Manufacturer-Recommended Substitute Parts designated as direct replacements by the original manufacturer, maintaining identical specifications with updated product status.

Category 2: Cross-Manufacturer Equivalent Parts from alternative manufacturers that meet all electrical and mechanical parameters, enabling multi-source procurement while maintaining design integrity.

Parameter Comparison

Engineering Selection Recommendations

For Existing Production (In-Service Support): The RK73H1HTTC5232F remains suitable for maintenance and repair of existing designs. Current inventory of 3,944 pieces supports ongoing production requirements. This part maintains full AEC-Q200 automotive qualification and ROHS3 compliance.

For New Design Implementation: The RK73H1HTTCM5232F is the manufacturer-recommended substitute from KOA Speer Electronics, Inc. This part carries "Active" product status, ensuring long-term availability and supply chain stability. It maintains identical electrical specifications and automotive qualification. The primary distinction is the absence of explicit moisture-resistant designation in the standard specification, though MSL 1 rating indicates equivalent moisture handling capability.

For Multi-Source Procurement: The AC0201FR-0752K3L from YAGEO provides cross-manufacturer equivalence with "Active" product status. This part maintains all critical electrical and mechanical parameters, including explicit moisture-resistant construction, AEC-Q200 qualification, and ROHS3 compliance. Current inventory of 754 pieces supports immediate procurement needs.

Compliance Verification: All substitute parts maintain:

• ROHS3 compliance for regulatory adherence
• AEC-Q200 automotive qualification for reliability standards
• MSL 1 rating for moisture sensitivity management
• Identical operating temperature range (-55°C ~ 155°C)
• Matching temperature coefficient (±200ppm/°C)

Frequently Asked Questions (FAQ)

Q: Can RK73H1HTTCM5232F directly replace RK73H1HTTC5232F in existing designs?

A: Yes. The RK73H1HTTCM5232F is the manufacturer-recommended substitute from KOA Speer Electronics, Inc. All electrical parameters (52.3 kOhms ±1%, 0.05W, ±200ppm/°C, -55°C ~ 155°C) and automotive qualifications (AEC-Q200, ROHS3, MSL 1) are identical. The primary difference is product status change from "Not For New Designs" to "Active," indicating continued manufacturer support.

Q: What is the difference between RK73H1HTTC5232F and AC0201FR-0752K3L?

A: Both parts are electrically and mechanically equivalent with identical resistance (52.3 kOhms ±1%), power rating (0.05W), package (0201), temperature coefficient (±200ppm/°C), and operating range (-55°C ~ 155°C). The primary differences are manufacturer (KOA Speer vs. YAGEO) and product status (Not For New Designs vs. Active). AC0201FR-0752K3L explicitly specifies moisture-resistant construction, while RK73H1HTTCM5232F does not, though both maintain MSL 1 rating.

Q: Are all substitute parts suitable for automotive applications?

A: Yes. All substitute parts listed carry AEC-Q200 automotive qualification, meeting automotive industry reliability and performance standards. All parts are ROHS3 compliant and maintain MSL 1 moisture sensitivity rating.

Q: Can I mix RK73H1HTTC5232F and AC0201FR-0752K3L in the same production batch?

A: Yes. Both parts meet identical electrical and mechanical specifications for the 0201 package, including resistance value, tolerance, power rating, temperature coefficient, and operating temperature range. Cross-manufacturer substitution is electrically and mechanically valid. Procurement and inventory management should account for manufacturer differences in documentation and traceability.

Q: What is the significance of "Not For New Designs" status?

A: This designation indicates that KOA Speer Electronics has discontinued the RK73H1HTTC5232F for new design implementations. Existing inventory remains available for production support, but new designs should transition to the RK73H1HTTCM5232F or equivalent cross-manufacturer parts to ensure long-term supply chain stability and manufacturer support.

Q: Are there any thermal or environmental performance differences between substitute parts?

A: No. All substitute parts maintain identical operating temperature range (-55°C ~ 155°C), temperature coefficient (±200ppm/°C), and moisture sensitivity rating (MSL 1). Environmental performance is equivalent across all listed parts.