RK73B1HTTC164G Equivalent & Substitute Parts

Part Overview

The RK73B1HTTC164G is a 160 kOhms ±2% thick film chip resistor rated at 0.05W (1/20W) in 0201 package format (0.60mm x 0.30mm metric). This component is manufactured by KOA Speer Electronics, Inc. and meets automotive AEC-Q200 qualification standards. The part is currently classified as Not For New Designs, indicating it has been superseded in the manufacturer's product line. Identifying equivalent substitute parts is necessary to ensure design continuity, maintain supply chain reliability, and transition to active product alternatives that maintain electrical and mechanical compatibility.

Substiute Parts

RK73B1HTTC164G

KOA Speer Electronics, Inc.In Stock: 1180RK73B1HTTC164G Datasheet

Current PartRFQ

RK73B1HTTCM164G

KOA Speer Electronics, Inc.In Stock: 910RK73B1HTTCM164G Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the RK73B1HTTC164G is determined by strict equivalence across the following critical parameters:

Electrical Parameters: Resistance value (160 kOhms), tolerance (±2%), and power rating (0.05W) must be identical. Temperature coefficient (±200ppm/°C) and operating temperature range (-55°C ~ 155°C) establish thermal performance boundaries.

Mechanical Parameters: Package format (0201 / 0603 Metric) and physical dimensions (0.024" L x 0.012" W, 0.010" max height) ensure PCB footprint and assembly compatibility.

Compliance Parameters: AEC-Q200 automotive qualification, ROHS3 compliance, and MSL 1 rating are mandatory for applications requiring automotive-grade reliability and environmental standards adherence.

Composition: Thick film construction must be maintained to preserve electrical characteristics and temperature stability.

Substitute parts must match all parameters listed above. Deviations in any parameter category disqualify a part from direct substitution.

Parameter Comparison

Engineering Selection Recommendations

The RK73B1HTTCM164G is the direct equivalent substitute for RK73B1HTTC164G. Both parts are manufactured by KOA Speer Electronics, Inc. within the RK73B series and maintain identical electrical, mechanical, and thermal specifications. The critical distinction is product status: RK73B1HTTC164G is classified as Not For New Designs, while RK73B1HTTCM164G is Active.

For new circuit designs and long-term supply chain planning, RK73B1HTTCM164G is the appropriate selection. Both parts satisfy AEC-Q200 automotive qualification requirements, ROHS3 environmental compliance, and unlimited moisture sensitivity rating (MSL 1). Electrical performance, including resistance tolerance (±2%), temperature coefficient (±200ppm/°C), and operating range (-55°C ~ 155°C), is identical between the two parts.

For existing designs currently using RK73B1HTTC164G, direct substitution with RK73B1HTTCM164G requires no circuit modifications, PCB layout changes, or assembly process adjustments. The parts are pin-compatible, footprint-compatible, and functionally equivalent.

Frequently Asked Questions (FAQ)

Q: Can RK73B1HTTCM164G be used as a direct replacement for RK73B1HTTC164G in existing designs?

A: Yes. Both parts are electrically and mechanically identical. No design changes are required. The substitute part maintains the same 160 kOhms resistance, ±2% tolerance, 0.05W power rating, 0201 package format, and AEC-Q200 automotive qualification.

Q: What is the difference between RK73B1HTTC164G and RK73B1HTTCM164G?

A: The parts are functionally equivalent. The primary difference is product lifecycle status: RK73B1HTTC164G is Not For New Designs, while RK73B1HTTCM164G is Active. Both maintain identical specifications across all electrical, mechanical, and compliance parameters.

Q: Are there any packaging differences between these parts?

A: Both parts are supplied in 0201 package format (0603 metric) with identical physical dimensions (0.024" L x 0.012" W, 0.010" max height). PCB footprints are identical.

Q: Do both parts meet automotive standards?

A: Yes. Both RK73B1HTTC164G and RK73B1HTTCM164G are AEC-Q200 qualified and suitable for automotive applications requiring reliability and environmental compliance.

Q: What is the temperature coefficient specification for these resistors?

A: Both parts have a temperature coefficient of ±200ppm/°C and operate across the range -55°C ~ 155°C.

Q: Are these parts RoHS compliant?

A: Yes. Both parts are ROHS3 compliant and REACH unaffected, meeting environmental regulatory requirements.

Q: What is the moisture sensitivity level for these parts?

A: Both parts have MSL 1 (Unlimited), indicating no moisture sensitivity restrictions for storage or handling.