Equivalent & Substitute Parts for RK73H1HTTC1371F

Part Overview

The RK73H1HTTC1371F is a 1.37 kOhm ±1% thick film chip resistor manufactured by KOA Speer Electronics, Inc., rated at 0.05W (1/20W) in a 0201 package (0.60mm x 0.30mm). This component meets AEC-Q200 automotive qualification standards and features moisture-resistant construction suitable for automotive and industrial applications operating across -55°C to 155°C.

The RK73H1HTTC1371F carries a "Not For New Designs" product status. Identifying equivalent and substitute parts is necessary to support ongoing production requirements, field repairs, and design transitions to active product lines while maintaining electrical and mechanical compatibility.

Substiute Parts

RK73H1HTTC1371F

KOA Speer Electronics, Inc.In Stock: 10963RK73H1HTTC1371F Datasheet

Current PartRFQ

RK73H1HTTCM1371F

KOA Speer Electronics, Inc.In Stock: 1037RK73H1HTTCM1371F Datasheet

MFR RecommendedRFQ

AC0201FR-071K37L

YAGEOIn Stock: 1116AC0201FR-071K37L Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the RK73H1HTTC1371F are qualified based on strict electrical and mechanical parameter matching:

Substitution Criteria:

• Resistance value: 1.37 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)
• Moisture resistance: Yes (exact match required)
• RoHS compliance: ROHS3 Compliant (exact match required)
• Moisture Sensitivity Level: MSL 1 (exact match required)

All identified substitutes meet these criteria and are therefore electrically and mechanically interchangeable with the RK73H1HTTC1371F in applications requiring these specifications.

Parameter Comparison

Engineering Selection Recommendations

RK73H1HTTCM1371F (KOA Speer Electronics, Inc.): This part is the manufacturer-recommended substitute from KOA Speer Electronics, Inc. It maintains identical electrical and mechanical specifications to the RK73H1HTTC1371F while carrying an Active product status. This part is suitable for new production and ongoing support applications. Selection of this part ensures continuity within the KOA product family and maintains supply chain consistency.

AC0201FR-071K37L (YAGEO): This part is a direct cross-reference substitute manufactured by YAGEO. It meets all electrical and mechanical requirements and carries Active product status. This part is suitable for applications where multi-source component strategies are required or where YAGEO supply chain availability is preferred. Both KOA and YAGEO parts are AEC-Q200 qualified and ROHS3 compliant, ensuring compatibility in automotive and industrial applications.

Both substitute parts are appropriate for production use and field replacement applications where the RK73H1HTTC1371F specifications are required.

Frequently Asked Questions (FAQ)

Q: Can RK73H1HTTCM1371F be used as a direct replacement for RK73H1HTTC1371F?

A: Yes. The RK73H1HTTCM1371F is electrically and mechanically identical to the RK73H1HTTC1371F. Both parts share the same resistance value (1.37 kOhms), tolerance (±1%), power rating (0.05W), package (0201), composition (thick film), temperature coefficient (±200ppm/°C), operating temperature range (-55°C ~ 155°C), and automotive qualifications (AEC-Q200). The primary difference is product status: RK73H1HTTCM1371F is Active, while RK73H1HTTC1371F is Not For New Designs.

Q: Can AC0201FR-071K37L from YAGEO replace the KOA RK73H1HTTC1371F?

A: Yes. The AC0201FR-071K37L meets all electrical and mechanical specifications of the RK73H1HTTC1371F. Both parts are 1.37 kOhm ±1% thick film resistors in 0201 packages with identical power ratings, temperature coefficients, operating ranges, and AEC-Q200 automotive qualifications. This part is suitable for applications requiring multi-source component strategies.

Q: What are the key parameters that determine substitutability?

A: Substitutability is determined by exact matching of: resistance value (1.37 kOhms), tolerance (±1%), power rating (0.05W), package type (0201), composition (thick film), temperature coefficient (±200ppm/°C), operating temperature range (-55°C ~ 155°C), automotive qualification (AEC-Q200), moisture resistance capability, RoHS compliance (ROHS3), and MSL rating (MSL 1). All substitute parts must match these parameters exactly.

Q: Why is the RK73H1HTTC1371F marked "Not For New Designs"?

A: The "Not For New Designs" status indicates that KOA Speer Electronics, Inc. is transitioning this part to obsolescence. For new product development, the Active substitute RK73H1HTTCM1371F from KOA or AC0201FR-071K37L from YAGEO should be selected to ensure long-term supply availability and support.

Q: Are all substitute parts RoHS3 compliant and AEC-Q200 qualified?

A: Yes. All identified substitute parts (RK73H1HTTCM1371F and AC0201FR-071K37L) are ROHS3 compliant and AEC-Q200 qualified, matching the compliance profile of the RK73H1HTTC1371F. These qualifications ensure suitability for automotive and industrial applications.

Q: What is the significance of MSL 1 (Unlimited) rating?

A: MSL 1 (Unlimited) indicates that the component has unlimited shelf life and does not require special moisture-controlled storage or handling procedures. All substitute parts carry this same MSL rating, ensuring equivalent storage and handling requirements.