Equivalent & Substitute Parts for RK73H1HTTC1502F

Part Overview

The RK73H1HTTC1502F is a 15 kOhms ±1% thick film chip resistor manufactured by KOA Speer Electronics, Inc., rated at 0.05W (1/20W) in a 0201 package format. This component meets AEC-Q200 automotive qualification standards and incorporates moisture-resistant construction suitable for automotive and industrial applications.

The RK73H1HTTC1502F carries a "Not For New Designs" product status, indicating that KOA Speer Electronics has transitioned this part to end-of-life. Identifying equivalent and substitute parts is necessary to maintain design continuity, ensure supply chain availability, and support ongoing production requirements for existing applications utilizing this resistor specification.

Substiute Parts

RK73H1HTTC1502F

KOA Speer Electronics, Inc.In Stock: 32404RK73H1HTTC1502F Datasheet

Current PartRFQ

RK73H1HTTCM1502F

KOA Speer Electronics, Inc.In Stock: 1086RK73H1HTTCM1502F Datasheet

MFR RecommendedRFQ

AC0201FR-0715KL

YAGEOIn Stock: 59257AC0201FR-0715KL Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the RK73H1HTTC1502F are qualified based on strict electrical and mechanical parameter matching within the 0201 chip resistor category. The substitution criteria are:

Electrical Parameters (Must Match Exactly):

• Resistance value: 15 kOhms
• Tolerance: ±1%
• Power rating: 0.05W (1/20W)
• Temperature coefficient: ±200ppm/°C
• Operating temperature range: -55°C ~ 155°C

Mechanical Parameters (Must Match Exactly):

• Package format: 0201 (0603 Metric)
• Physical dimensions: 0.024" L x 0.012" W (0.60mm x 0.30mm)
• Height seated (max): 0.010" (0.26mm)
• Number of terminations: 2

Compliance & Certification (Must Match):

• AEC-Q200 automotive qualification
• Moisture-resistant thick film construction
• RoHS3 compliance
• Moisture Sensitivity Level 1

Two substitute parts meet all specified criteria and are identified as direct functional equivalents.

Parameter Comparison

Engineering Selection Recommendations

RK73H1HTTCM1502F (KOA Speer Electronics, Inc.):

This part represents the manufacturer's direct successor within the KOA Speer Electronics product line. The RK73H1HTTCM1502F maintains identical electrical and mechanical specifications to the RK73H1HTTC1502F while carrying an "Active" product status. Selection of this part ensures continuity with the original manufacturer's design intent and quality assurance protocols. The part is AEC-Q200 qualified, RoHS3 compliant, and maintains the same moisture-resistant thick film construction. Current inventory availability is 1,057 pieces.

AC0201FR-0715KL (YAGEO):

This YAGEO part provides a cross-manufacturer equivalent with full parameter alignment to the RK73H1HTTC1502F specification. The AC0201FR-0715KL is AEC-Q200 qualified, RoHS3 compliant, and incorporates identical electrical performance characteristics including 15 kOhms resistance, ±1% tolerance, ±200ppm/°C temperature coefficient, and -55°C ~ 155°C operating range. The part is supplied in Tape & Reel packaging and maintains an "Active" product status. Current inventory availability is 59,207 pieces, providing superior supply chain availability compared to the KOA alternative.

Both substitute parts are suitable for direct replacement in applications currently utilizing the RK73H1HTTC1502F, with selection based on supply chain preference, lead time requirements, and inventory availability.

Frequently Asked Questions (FAQ)

Q: Can the RK73H1HTTCM1502F be used as a direct replacement for the RK73H1HTTC1502F?

A: Yes. The RK73H1HTTCM1502F is electrically and mechanically identical to the RK73H1HTTC1502F. Both parts share the same 15 kOhms resistance, ±1% tolerance, 0.05W power rating, 0201 package format, ±200ppm/°C temperature coefficient, -55°C ~ 155°C operating range, AEC-Q200 qualification, and moisture-resistant thick film construction. The primary difference is product status: RK73H1HTTCM1502F is Active, while RK73H1HTTC1502F is Not For New Designs.

Q: What is the difference between the KOA and YAGEO substitutes?

A: Both parts meet identical electrical and mechanical specifications for the 15 kOhms ±1% 0.05W 0201 resistor category. The primary differences are manufacturer origin and inventory availability. RK73H1HTTCM1502F is manufactured by KOA Speer Electronics with 1,057 pieces in stock. AC0201FR-0715KL is manufactured by YAGEO with 59,207 pieces in stock. Both are AEC-Q200 qualified, RoHS3 compliant, and suitable for automotive applications.

Q: Are these parts suitable for automotive applications?

A: Yes. All three parts—RK73H1HTTC1502F, RK73H1HTTCM1502F, and AC0201FR-0715KL—carry AEC-Q200 automotive qualification. This certification confirms compliance with automotive industry reliability and quality standards. All parts are moisture-resistant thick film resistors with MSL 1 (Unlimited) rating, suitable for automotive and industrial environments.

Q: What does "Not For New Designs" mean for the RK73H1HTTC1502F?

A: "Not For New Designs" indicates that KOA Speer Electronics has discontinued active development and promotion of this part number. Existing inventory may remain available, but the manufacturer recommends using the active successor part (RK73H1HTTCM1502F) for new design implementations. This status does not affect the performance or reliability of existing stock.

Q: Can I mix different manufacturers in the same assembly?

A: Yes. The RK73H1HTTCM1502F (KOA) and AC0201FR-0715KL (YAGEO) are functionally equivalent and can be used interchangeably within the same circuit. Both parts meet identical electrical specifications, package requirements, and automotive certifications. Mixed-manufacturer usage is acceptable from an engineering standpoint, though procurement and quality assurance processes should document such substitutions.

Q: What is the significance of the 0201 package format?

A: The 0201 package (0603 Metric) is a surface-mount chip resistor measuring 0.024" L x 0.012" W (0.60mm x 0.30mm) with a maximum seated height of 0.010" (0.26mm). This ultra-compact format is standard for high-density PCB applications. All three parts use identical 0201 packaging, ensuring mechanical compatibility with existing PCB layouts and assembly equipment.

Q: Are there any compliance or regulatory differences between these parts?

A: No. All three parts are RoHS3 compliant, REACH unaffected, and carry identical ECCN (EAR99) and HTSUS (8533.21.0030) classifications. Moisture Sensitivity Level is 1 (Unlimited) for all parts. There are no compliance or regulatory barriers to substitution.