Equivalent & Substitute Parts for RK73H1HTTC1052F

Part Overview

The RK73H1HTTC1052F is a 10.5 kOhms ±1% thick film chip resistor manufactured by KOA Speer Electronics, Inc., designed for 0.05W (1/20W) applications in the 0201 (0603 Metric) package format. This component is rated for automotive applications under AEC-Q200 and features moisture-resistant construction with unlimited moisture sensitivity level (MSL 1).

The RK73H1HTTC1052F carries a product status of "Not For New Designs," indicating it has been superseded. Identifying equivalent and substitute parts is necessary to support existing designs, maintain supply chain continuity, and ensure compliance with current manufacturing standards while preserving electrical and mechanical compatibility.

Substiute Parts

RK73H1HTTC1052F

KOA Speer Electronics, Inc.In Stock: 15657RK73H1HTTC1052F Datasheet

Current PartRFQ

RK73H1HTTCM1052F

KOA Speer Electronics, Inc.In Stock: 1030RK73H1HTTCM1052F Datasheet

MFR RecommendedRFQ

AC0201FR-0710K5L

YAGEOIn Stock: 1145AC0201FR-0710K5L Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the RK73H1HTTC1052F is determined by strict equivalence across the following critical parameters:

Electrical Parameters:

• Resistance value: 10.5 kOhms (exact match required)
• Tolerance: ±1% (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 & Quality Parameters:

• Automotive rating: AEC-Q200 (exact match required)
• RoHS Status: ROHS3 Compliant (exact match required)
• Moisture Sensitivity Level: 1 (Unlimited) (exact match required)
• Composition: Thick Film (exact match required)

All identified substitute parts meet these criteria without exception.

Parameter Comparison

Engineering Selection Recommendations

RK73H1HTTCM1052F (KOA Speer Electronics, Inc.)

This part is the manufacturer-recommended equivalent from KOA Speer Electronics, Inc. It maintains active product status and carries identical electrical specifications, package dimensions, and AEC-Q200 automotive certification. The primary distinction is the absence of explicit moisture-resistant designation in the specification, though MSL rating remains at 1 (Unlimited). This part is suitable for direct substitution in existing designs where the original RK73H1HTTC1052F is specified.

AC0201FR-0710K5L (YAGEO)

This part is a direct cross-reference alternative manufactured by YAGEO. It provides complete electrical and mechanical equivalence with explicit moisture-resistant construction matching the original part. The AC0201FR-0710K5L maintains active product status, AEC-Q200 certification, and ROHS3 compliance. This part is suitable for substitution in applications requiring continued supply or where YAGEO components are preferred within the supply chain.

Both substitute parts satisfy all critical parameters required for functional and mechanical compatibility with the RK73H1HTTC1052F.

Frequently Asked Questions (FAQ)

Q: Can RK73H1HTTCM1052F be used as a direct replacement for RK73H1HTTC1052F?

A: Yes. Both parts share identical resistance (10.5 kOhms), tolerance (±1%), power rating (0.05W), package (0201), temperature coefficient (±200ppm/°C), operating temperature range (-55°C ~ 155°C), AEC-Q200 rating, MSL 1, and ROHS3 compliance. The RK73H1HTTCM1052F is the active equivalent from the same manufacturer.

Q: What is the difference between RK73H1HTTC1052F and AC0201FR-0710K5L?

A: Both parts are electrically and mechanically identical across all critical parameters. The primary difference is manufacturer: KOA Speer Electronics, Inc. versus YAGEO. The AC0201FR-0710K5L explicitly specifies moisture-resistant construction, while the RK73H1HTTCM1052F does not. Both maintain MSL 1 (Unlimited) rating.

Q: Why is RK73H1HTTC1052F marked "Not For New Designs"?

A: This status indicates the part has been superseded by newer alternatives. For new designs, RK73H1HTTCM1052F or AC0201FR-0710K5L should be selected. For existing designs using RK73H1HTTC1052F, either substitute part provides full compatibility.

Q: Are all three parts suitable for automotive applications?

A: Yes. All three parts carry AEC-Q200 certification and are rated for automotive use across the operating temperature range of -55°C ~ 155°C.

Q: What packaging options are available?

A: RK73H1HTTC1052F and AC0201FR-0710K5L are supplied in Tape & Reel (TR) format. Packaging specification for RK73H1HTTCM1052F is not provided in the available data.

Q: Are these parts RoHS compliant?

A: Yes. All three parts are ROHS3 compliant and REACH unaffected.

Q: Can these parts be used interchangeably on the same PCB assembly?

A: Yes. All three parts share identical 0201 (0603 Metric) package dimensions (0.024" L x 0.012" W, 0.60mm x 0.30mm) and maximum seated height (0.010" / 0.26mm), enabling direct PCB footprint compatibility.