Equivalent & Substitute Parts for RK73H1HTTC2741F

Part Overview

The RK73H1HTTC2741F is a 2.74 kOhm ±1% thick film chip resistor manufactured by KOA Speer Electronics, Inc., designed for 0.05W (1/20W) applications in 0201 package format. This component is rated for automotive applications under AEC-Q200 standard with moisture-resistant construction and operates across -55°C to 155°C temperature range.

The RK73H1HTTC2741F carries a "Not For New Designs" product status. Identifying equivalent and substitute parts is necessary to support existing designs, facilitate production continuity, and enable component sourcing flexibility when the primary part becomes unavailable or when design revisions require active product alternatives.

Substiute Parts

RK73H1HTTC2741F

KOA Speer Electronics, Inc.In Stock: 4998RK73H1HTTC2741F Datasheet

Current PartRFQ

RK73H1HTTCM2741F

KOA Speer Electronics, Inc.In Stock: 1134RK73H1HTTCM2741F Datasheet

MFR RecommendedRFQ

AC0201FR-072K74L

YAGEOIn Stock: 1127AC0201FR-072K74L Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the RK73H1HTTC2741F is determined by strict equivalence across the following critical parameters:

Mandatory Matching Parameters:

• Resistance value: 2.74 kOhms
• Tolerance: ±1%
• Power rating: 0.05W (1/20W)
• Package format: 0201 (0603 Metric)
• Composition: Thick Film
• Temperature coefficient: ±200ppm/°C
• Operating temperature range: -55°C ~ 155°C
• Automotive rating: AEC-Q200
• Moisture resistance: Required
• RoHS compliance: ROHS3 Compliant
• Moisture sensitivity level: MSL 1

Substitute parts are grouped into two categories:

Category 1: Manufacturer-Recommended Substitute Parts designated as direct manufacturer alternatives from KOA Speer Electronics, Inc., maintaining identical electrical and mechanical specifications with active product status.

Category 2: Cross-Manufacturer Direct Substitute Parts from alternative manufacturers (YAGEO) that meet all electrical and mechanical parameters, carry active product status, and maintain full automotive and compliance certifications.

Parameter Comparison

Engineering Selection Recommendations

For RK73H1HTTCM2741F (KOA Speer Electronics, Inc.):

This part is the manufacturer-recommended substitute from KOA Speer Electronics, Inc. It maintains identical electrical specifications and mechanical dimensions to the primary part. The RK73H1HTTCM2741F carries Active product status, making it suitable for new designs and ongoing production. All compliance certifications (ROHS3, AEC-Q200, MSL 1) are maintained. Current inventory availability is 1,039 pieces. Selection of this part ensures continuity within the KOA product family while transitioning from the obsolescent RK73H1HTTC2741F.

For AC0201FR-072K74L (YAGEO):

This part represents a cross-manufacturer direct substitute from YAGEO. It meets all electrical and mechanical parameters, carries Active product status, and maintains full automotive AEC-Q200 certification with moisture-resistant construction. The AC0201FR-072K74L is ROHS3 compliant with MSL 1 rating. Current inventory availability is 1,051 pieces. This option provides sourcing flexibility and alternative supply chain access while maintaining equivalent performance characteristics.

Both substitute parts are electrically and mechanically interchangeable with the RK73H1HTTC2741F within the specified operating parameters.

Frequently Asked Questions (FAQ)

Q: Can RK73H1HTTCM2741F be used as a direct replacement for RK73H1HTTC2741F?

A: Yes. The RK73H1HTTCM2741F is the manufacturer-recommended substitute from KOA Speer Electronics, Inc. It maintains identical resistance (2.74 kOhms), tolerance (±1%), power rating (0.05W), package format (0201), temperature coefficient (±200ppm/°C), operating temperature range (-55°C ~ 155°C), and all automotive/compliance certifications. The primary difference is active product status versus the obsolescent status of the original part.

Q: What is the difference between RK73H1HTTC2741F and RK73H1HTTCM2741F?

A: Both parts are manufactured by KOA Speer Electronics, Inc., and share identical electrical and mechanical specifications. The RK73H1HTTCM2741F is the active product variant, while RK73H1HTTC2741F is designated "Not For New Designs." The "M" designation in the part number indicates the active product line variant.

Q: Can AC0201FR-072K74L from YAGEO replace the KOA part?

A: Yes. The AC0201FR-072K74L meets all critical parameters: 2.74 kOhms resistance, ±1% tolerance, 0.05W power rating, 0201 package, ±200ppm/°C temperature coefficient, -55°C ~ 155°C operating range, AEC-Q200 automotive rating, moisture resistance, ROHS3 compliance, and MSL 1 rating. It is a valid cross-manufacturer substitute.

Q: Are there any package or footprint differences between these parts?

A: No. All three parts use identical 0201 (0603 Metric) package format with matching dimensions: 0.024" L x 0.012" W (0.60mm x 0.30mm) and maximum seated height of 0.010" (0.26mm). PCB footprints are identical.

Q: Do all substitute parts meet automotive AEC-Q200 requirements?

A: Yes. Both RK73H1HTTCM2741F and AC0201FR-072K74L carry AEC-Q200 automotive rating, matching the original RK73H1HTTC2741F specification.

Q: What is the moisture sensitivity level for these parts?

A: All three parts are rated MSL 1 (Unlimited), indicating unlimited shelf life without moisture bake requirements.

Q: Are these parts RoHS compliant?

A: Yes. All three parts are ROHS3 compliant, meeting current environmental and regulatory requirements.