RK73G1HTTC9103F Equivalent & Substitute Parts

Part Overview

The RK73G1HTTC9103F is a 910 kOhms ±1% thick film chip resistor manufactured by KOA Speer Electronics, Inc., rated at 0.05W (1/20W) in a 0201 (0603 Metric) package. This component is designed for automotive applications and meets AEC-Q200 qualification standards. The part is currently classified as "Not For New Designs," necessitating identification of active equivalent alternatives that maintain identical electrical and mechanical specifications for ongoing production and maintenance applications.

Substiute Parts

RK73G1HTTC9103F

KOA Speer Electronics, Inc.In Stock: 1096RK73G1HTTC9103F Datasheet

Current PartRFQ

RK73G1HTTCM9103F

KOA Speer Electronics, Inc.In Stock: 977RK73G1HTTCM9103F Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the RK73G1HTTC9103F is determined by strict equivalence across the following critical parameters:

Electrical Specifications: Resistance value (910 kOhms), tolerance (±1%), and power rating (0.05W) must be identical. Temperature coefficient (±50ppm/°C) and operating temperature range (-55°C ~ 155°C) define thermal performance boundaries.

Mechanical Specifications: Package type (0201 / 0603 Metric), physical dimensions (0.024" L x 0.012" W / 0.60mm x 0.30mm), and seated height (0.010" / 0.26mm maximum) ensure PCB compatibility and assembly process compatibility.

Compliance & Ratings: AEC-Q200 automotive qualification, ROHS3 compliance, and Moisture Sensitivity Level 1 are mandatory for equivalent substitution in automotive applications.

Composition: Thick film construction must be maintained to preserve electrical performance characteristics.

Parts meeting all these criteria are classified as direct equivalents and may be substituted without circuit redesign or validation.

Parameter Comparison

Engineering Selection Recommendations

The RK73G1HTTCM9103F is the direct equivalent substitute for the RK73G1HTTC9103F. Both components are manufactured by KOA Speer Electronics, Inc., within the RK73G series, and share identical electrical, mechanical, and compliance specifications.

The primary distinction is product status: the main part (RK73G1HTTC9103F) is classified as "Not For New Designs," while the substitute (RK73G1HTTCM9103F) maintains "Active" status. This status change reflects manufacturing lifecycle management and does not indicate any change in component performance or qualification.

For applications currently using RK73G1HTTC9103F, transition to RK73G1HTTCM9103F is supported without circuit modification, PCB redesign, or revalidation of electrical performance. Both parts maintain AEC-Q200 automotive qualification and ROHS3 compliance, ensuring continued suitability for automotive applications across the specified operating temperature range.

Frequently Asked Questions (FAQ)

Q: Can RK73G1HTTCM9103F be used as a direct replacement for RK73G1HTTC9103F?

A: Yes. Both parts are electrically and mechanically identical, with matching resistance (910 kOhms ±1%), power rating (0.05W), package (0201), temperature coefficient (±50ppm/°C), and automotive qualification (AEC-Q200). Direct substitution is supported without circuit redesign.

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

A: This designation indicates the part has reached end-of-life in the manufacturer's product lifecycle. The substitute part (RK73G1HTTCM9103F) with "Active" status is the current production equivalent and should be used for new designs and ongoing procurement.

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

A: No. Both parts use the 0201 (0603 Metric) package with identical physical dimensions (0.024" L x 0.012" W / 0.60mm x 0.30mm) and maximum seated height (0.010" / 0.26mm). PCB footprints and assembly processes remain unchanged.

Q: Do both parts meet automotive compliance requirements?

A: Yes. Both RK73G1HTTC9103F and RK73G1HTTCM9103F are AEC-Q200 qualified, ROHS3 compliant, and REACH unaffected. Moisture Sensitivity Level 1 (Unlimited) applies to both parts.

Q: What is the temperature coefficient specification, and does it differ between parts?

A: Both parts have a temperature coefficient of ±50ppm/°C and operate across the identical temperature range of -55°C to 155°C. No performance variation exists between the two parts in this parameter.