RK73G1HTTC1102D Equivalent & Substitute Parts

Part Overview

The RK73G1HTTC1102D is an 11 kOhms ±0.5% thick film chip resistor manufactured by KOA Speer Electronics, Inc., rated for 0.05W (1/20W) power dissipation in a 0201 (0603 Metric) surface mount package. This component is qualified to the automotive AEC-Q200 standard and operates across the temperature range of -55°C to 155°C. The part is currently classified as "Not For New Designs," indicating it has been superseded in the manufacturer's product line. Identifying equivalent and substitute parts is necessary to ensure design continuity, maintain supply chain flexibility, and transition to active product alternatives where applicable.

Substiute Parts

RK73G1HTTC1102D

KOA Speer Electronics, Inc.In Stock: 910RK73G1HTTC1102D Datasheet

Current PartRFQ

RK73G1HTTCM1102D

KOA Speer Electronics, Inc.In Stock: 932RK73G1HTTCM1102D Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the RK73G1HTTC1102D is determined by strict equivalence across the following critical parameters:

Electrical Parameters:

• Resistance value: 11 kOhms (exact match required)
• Tolerance: ±0.5% (exact match required)
• Power rating: 0.05W / 1/20W (exact match required)
• Temperature coefficient: ±50ppm/°C (exact match required)
• Operating temperature range: -55°C to 155°C (exact match required)

Mechanical Parameters:

• Package type: 0201 (0603 Metric) (exact match required)
• Composition: Thick Film (exact match required)

Compliance & Certification:

• Automotive AEC-Q200 qualification (exact match required)
• RoHS3 compliance (exact match required)
• Moisture Sensitivity Level 1 (exact match required)

The substitute part RK73G1HTTCM1102D meets all these criteria and is manufactured by the same supplier, ensuring functional and mechanical interchangeability.

Parameter Comparison

Engineering Selection Recommendations

The RK73G1HTTCM1102D is the direct substitute for the RK73G1HTTC1102D. Both parts 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 original part is classified as "Not For New Designs," while the substitute is Active.

For new designs and ongoing production, the RK73G1HTTCM1102D is the recommended selection. This part maintains full compatibility with existing designs while ensuring access to current manufacturing processes and extended product lifecycle support. Both parts carry AEC-Q200 automotive qualification and ROHS3 compliance, making them suitable for automotive and industrial applications requiring high reliability.

Frequently Asked Questions (FAQ)

Q: Can the RK73G1HTTCM1102D be used as a direct replacement for the RK73G1HTTC1102D in existing designs?

A: Yes. The substitute part is electrically and mechanically identical, with matching resistance value (11 kOhms), tolerance (±0.5%), power rating (0.05W), package type (0201), temperature coefficient (±50ppm/°C), operating range (-55°C to 155°C), and all compliance certifications (AEC-Q200, ROHS3, MSL 1).

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

A: This designation indicates the RK73G1HTTC1102D has been superseded by the manufacturer and is no longer recommended for new product development. The RK73G1HTTCM1102D, with Active status, is the current production equivalent and should be used for new designs.

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

A: No. Both parts use the 0201 (0603 Metric) package with 2 terminations. Physical dimensions and height specifications are identical: 0.024" L x 0.012" W (0.60mm x 0.30mm), with maximum seated height of 0.010" (0.26mm).

Q: Do both parts meet automotive qualification requirements?

A: Yes. Both the RK73G1HTTC1102D and RK73G1HTTCM1102D are qualified to AEC-Q200 automotive standards, with Moisture Sensitivity Level 1 (Unlimited) and ROHS3 compliance, suitable for automotive and high-reliability applications.

Q: Is there a difference in inventory availability?

A: The substitute part RK73G1HTTCM1102D currently has 900 pieces in stock, compared to 808 pieces for the original part. Both are available as new original components.