Equivalent & Substitute Parts for RK73H1HTTC1202F

Part Overview

The RK73H1HTTC1202F is a 12 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 with moisture-resistant properties. The part is classified as "Not For New Designs," indicating that alternative solutions should be evaluated for new development projects. Identifying equivalent and substitute parts is necessary to ensure design continuity, maintain supply chain flexibility, and support ongoing production requirements.

Substiute Parts

RK73H1HTTC1202F

KOA Speer Electronics, Inc.In Stock: 36958RK73H1HTTC1202F Datasheet

Current PartRFQ

RK73H1HTTCM1202F

KOA Speer Electronics, Inc.In Stock: 1125RK73H1HTTCM1202F Datasheet

MFR RecommendedRFQ

AC0201FR-0712KL

YAGEOIn Stock: 32174AC0201FR-0712KL Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the RK73H1HTTC1202F are identified based on strict electrical and mechanical parameter matching. The substitution criteria are:

Primary Matching Parameters:

• Resistance value: 12 kOhms
• Tolerance: ±1%
• Power rating: 0.05W (1/20W)
• Package: 0201 (0603 Metric)
• Composition: Thick Film
• Temperature coefficient: ±200ppm/°C
• Operating temperature range: -55°C ~ 155°C
• Automotive qualification: AEC-Q200
• Moisture resistance: Required
• RoHS compliance: ROHS3 Compliant
• Moisture Sensitivity Level: 1 (Unlimited)

All substitute parts listed meet these parameters without exception. Substitutes are grouped into two categories: manufacturer-recommended alternatives from KOA Speer Electronics and direct cross-reference parts from alternative manufacturers.

Parameter Comparison

Engineering Selection Recommendations

For Ongoing Production (Existing Designs):

The RK73H1HTTCM1202F from KOA Speer Electronics is the manufacturer-recommended substitute. Both parts share identical electrical specifications, package dimensions, and automotive AEC-Q200 qualification. The primary distinction is product status: RK73H1HTTCM1202F is classified as Active, ensuring continued availability and supply chain support. This part is the preferred choice for maintaining design continuity in existing production lines.

For New Design Development:

The AC0201FR-0712KL from YAGEO is suitable for new designs. This part meets all electrical and mechanical requirements, including AEC-Q200 automotive qualification, moisture resistance, and ROHS3 compliance. As an Active product from an established manufacturer, it provides long-term design security and supply availability.

Compliance Considerations:

All three parts are ROHS3 compliant and REACH unaffected, meeting current regulatory requirements. All parts maintain Moisture Sensitivity Level 1 (Unlimited), eliminating special handling requirements during storage and assembly.

Frequently Asked Questions (FAQ)

Q: Can RK73H1HTTCM1202F be used as a direct replacement for RK73H1HTTC1202F?

A: Yes. Both parts are manufactured by KOA Speer Electronics and share identical electrical specifications (12 kOhms ±1%, 0.05W), package dimensions (0201), temperature coefficient (±200ppm/°C), operating temperature range (-55°C ~ 155°C), and AEC-Q200 automotive qualification. The primary difference is product status; RK73H1HTTCM1202F is Active while RK73H1HTTC1202F is Not For New Designs.

Q: Is AC0201FR-0712KL from YAGEO electrically equivalent to the KOA parts?

A: Yes. The AC0201FR-0712KL meets all electrical and mechanical parameters: 12 kOhms ±1% resistance, 0.05W power rating, 0201 package, ±200ppm/°C temperature coefficient, -55°C ~ 155°C operating range, and AEC-Q200 automotive qualification. Physical dimensions and termination count are identical.

Q: Are there any differences in moisture resistance between the substitute parts?

A: The RK73H1HTTC1202F and AC0201FR-0712KL both specify moisture-resistant properties. The RK73H1HTTCM1202F does not explicitly specify moisture resistance in the provided data. For applications requiring moisture resistance, AC0201FR-0712KL or RK73H1HTTC1202F are preferred.

Q: Do all substitute parts have the same Moisture Sensitivity Level?

A: Yes. All three parts maintain Moisture Sensitivity Level 1 (Unlimited), indicating no special moisture control requirements during storage, handling, or assembly.

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

A: Yes, from an electrical and mechanical standpoint. All parts share identical package dimensions (0.024" L x 0.012" W, 0.60mm x 0.30mm), height (0.010" max, 0.26mm), and two-termination configuration. Assembly equipment settings and placement parameters remain unchanged.

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

A: This designation indicates that RK73H1HTTC1202F is in mature or declining production phase. For new product development, RK73H1HTTCM1202F or AC0201FR-0712KL are recommended to ensure long-term component availability and manufacturer support.

Q: Are all parts RoHS3 compliant?

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