RK73B1HTTC201G Equivalent & Substitute Parts

Part Overview

The RK73B1HTTC201G is a 200 Ohm ±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 The part is currently classified as Not For New Designs, indicating it has been superseded in the manufacturer's product line.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 for ongoing production support, maintenance applications, and legacy system repairs where this resistor value and package specification remain functionally required.

Substiute Parts

RK73B1HTTC201G

KOA Speer Electronics, Inc.In Stock: 916RK73B1HTTC201G Datasheet

Current PartRFQ

RK73B1HTTCM201G

KOA Speer Electronics, Inc.In Stock: 914RK73B1HTTCM201G Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the RK73B1HTTC201G is determined by strict equivalence across the following critical parameters:

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

Mechanical Parameters: Package format (0201 / 0603 Metric) and physical dimensions (0.024" L x 0.012" W / 0.60mm x 0.30mm) must be identical to ensure PCB footprint compatibility and assembly process compatibility.

Composition & Construction: Thick film construction type must be maintained.

Compliance & Ratings: AEC-Q200 automotive qualification, RoHS3 compliance, and MSL 1 rating must be present in substitute parts.

Product Status Consideration: While the original part is classified as Not For New Designs, substitute parts with Active status provide continued availability and manufacturing support.

Parameter Comparison

Engineering Selection Recommendations

The RK73B1HTTCM201G is a direct functional equivalent to the RK73B1HTTC201G. Both parts are manufactured by KOA Speer Electronics, Inc. within the RK73B series and share identical electrical, mechanical, and thermal specifications. The substitute part maintains full AEC-Q200 automotive qualification, ROHS3 compliance, and MSL 1 rating.

The primary distinction is product status: the original part is classified as Not For New Designs, while the substitute carries Active status. This indicates the RK73B1HTTCM201G represents the current production equivalent and provides assured long-term availability and manufacturing support.

For applications requiring the 200 Ohm ±2% 0.05W 0201 package resistor with automotive-grade specifications, the RK73B1HTTCM201G is the appropriate selection. Both parts are electrically and mechanically interchangeable within the same PCB assembly and circuit design.

Frequently Asked Questions (FAQ)

Q: Can RK73B1HTTCM201G be used as a direct replacement for RK73B1HTTC201G?

A: Yes. Both parts are electrically and mechanically identical. They share the same resistance value (200 Ohms), tolerance (±2%), power rating (0.05W), package format (0201), temperature coefficient (±200ppm/°C), operating range (-55°C ~ 155°C), and AEC-Q200 automotive qualification. PCB footprints and assembly processes are identical.

Q: What is the significance of the product status difference?

A: The original RK73B1HTTC201G is marked Not For New Designs, indicating the manufacturer has transitioned this part to end-of-life status. The substitute RK73B1HTTCM201G carries Active status, meaning it is in current production with assured availability. For new designs and ongoing production, the Active-status substitute is the recommended selection.

Q: Are there packaging differences between these parts?

A: The original part specifies Tape & Reel (TR) packaging. The substitute part does not specify packaging format in the provided data. Both parts use identical 0201 package format and physical dimensions. Packaging format (Tape & Reel, bulk, etc.) should be confirmed with the supplier based on procurement requirements.

Q: Do both parts meet the same compliance standards?

A: Yes. Both RK73B1HTTC201G and RK73B1HTTCM201G are ROHS3 compliant, REACH unaffected, carry MSL 1 (Unlimited) moisture sensitivity rating, and hold AEC-Q200 automotive qualification. Regulatory and environmental compliance is equivalent.

Q: What are the critical parameters for substitution in this resistor category?

A: For 0201 thick film chip resistors, substitution requires matching: (1) resistance value and tolerance, (2) power rating, (3) package format and physical dimensions, (4) temperature coefficient and operating range, (5) composition type (thick film), and (6) automotive/compliance certifications if required by the application.