Equivalent & Substitute Parts for RK73H1HTTC1691F

Part Overview

The RK73H1HTTC1691F is a 1.69 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 incorporates moisture-resistant construction suitable for automotive and industrial applications operating across -55°C to 155°C.

The RK73H1HTTC1691F 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

RK73H1HTTC1691F

KOA Speer Electronics, Inc.In Stock: 30717RK73H1HTTC1691F Datasheet

Current PartRFQ

RK73H1HTTCM1691F

KOA Speer Electronics, Inc.In Stock: 997RK73H1HTTCM1691F Datasheet

MFR RecommendedRFQ

AC0201FR-071K69L

YAGEOIn Stock: 1144AC0201FR-071K69L Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the RK73H1HTTC1691F are qualified based on the following electrical and mechanical parameters:

Substitution Criteria:

• Resistance value: 1.69 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)

Two substitute parts meet all substitution criteria:

1. RK73H1HTTCM1691F (KOA Speer Electronics, Inc.) Active product status. Manufacturer-recommended direct equivalent within the same RK73H series. Identical electrical specifications and package configuration. Moisture-resistant thick film construction maintained.

2. AC0201FR-071K69L (YAGEO) Active product status. Direct cross-reference from alternative manufacturer. Identical electrical specifications, package configuration, and automotive qualification. Moisture-resistant thick film construction maintained.

Parameter Comparison

Engineering Selection Recommendations

For Ongoing Production and Field Repair:

The RK73H1HTTCM1691F is the primary substitute for the RK73H1HTTC1691F. Both components are manufactured by KOA Speer Electronics, Inc., within the same RK73H series. The substitute maintains identical electrical specifications, package configuration, and automotive AEC-Q200 qualification. The transition from "Not For New Designs" status to "Active" status ensures continued availability and supply chain stability.

For Multi-Source Qualification:

The AC0201FR-071K69L from YAGEO provides a qualified alternative from a different manufacturer. This component meets all electrical and mechanical requirements, including AEC-Q200 automotive qualification, ROHS3 compliance, and MSL 1 rating. Selection of this substitute enables supply chain diversification while maintaining full electrical and mechanical compatibility.

Compliance Considerations:

Both substitute parts maintain ROHS3 compliance and REACH unaffected status, consistent with the original component. AEC-Q200 automotive qualification is preserved across all three parts, ensuring suitability for automotive applications. MSL 1 rating (Unlimited moisture sensitivity level) is maintained, supporting storage and handling without moisture bake-out requirements.

Frequently Asked Questions (FAQ)

Q: Can RK73H1HTTCM1691F be used as a direct replacement for RK73H1HTTC1691F in existing designs?

A: Yes. The RK73H1HTTCM1691F is a direct equivalent within the same manufacturer series. Electrical specifications (1.69 kOhms ±1%, 0.05W), package (0201), temperature range (-55°C ~ 155°C), and AEC-Q200 qualification are identical. The substitute is suitable for PCB assembly without design modification.

Q: What is the difference between RK73H1HTTC1691F and RK73H1HTTCM1691F?

A: Both components are manufactured by KOA Speer Electronics, Inc., and share identical electrical and mechanical specifications. The primary difference is product status: RK73H1HTTC1691F is "Not For New Designs," while RK73H1HTTCM1691F is "Active." The suffix "M" in the part number indicates the active variant within the RK73H series.

Q: Is AC0201FR-071K69L compatible with designs specified for RK73H1HTTC1691F?

A: Yes. The AC0201FR-071K69L meets all electrical and mechanical substitution criteria: 1.69 kOhms ±1%, 0.05W power rating, 0201 package, ±200ppm/°C temperature coefficient, -55°C ~ 155°C operating range, and AEC-Q200 automotive qualification. The component is suitable for direct substitution in automotive and industrial applications.

Q: Are there packaging differences between the substitute parts?

A: The RK73H1HTTC1691F and AC0201FR-071K69L are supplied in Tape & Reel (TR) packaging. The RK73H1HTTCM1691F packaging specification is not provided in the available data. All three components use the 0201 (0603 Metric) package format with identical physical dimensions: 0.024" L x 0.012" W (0.60mm x 0.30mm), Height - Seated (Max) 0.010" (0.26mm).

Q: Do the substitute parts maintain moisture-resistant construction?

A: The RK73H1HTTC1691F and AC0201FR-071K69L are specified as moisture-resistant thick film components. The RK73H1HTTCM1691F specification does not explicitly list moisture resistance as a feature, though all three components carry MSL 1 (Unlimited) rating, indicating no moisture sensitivity restrictions.

Q: Are all three parts suitable for automotive applications?

A: Yes. All three components—RK73H1HTTC1691F, RK73H1HTTCM1691F, and AC0201FR-071K69L—carry AEC-Q200 automotive qualification and are suitable for automotive and industrial applications within the specified operating temperature range of -55°C ~ 155°C.

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

A: The "Not For New Designs" designation indicates that the RK73H1HTTC1691F is in the mature or end-of-life phase of its product lifecycle. New designs should specify the active equivalent RK73H1HTTCM1691F or the YAGEO alternative AC0201FR-071K69L to ensure long-term supply availability and support.