RK73H1HTTC9104F Equivalent & Substitute Parts

Part Overview

The RK73H1HTTC9104F is a 9.1 MOhm ±1% thick film chip resistor in 0201 package (0603 metric) rated for 0.05W power dissipation. This component is manufactured by KOA Speer Electronics, Inc. and meets AEC-Q200 automotive qualification standards with moisture-resistant construction.

The RK73H1HTTC9104F carries a product status of "Not For New Designs," indicating it has been superseded in the manufacturer's product line.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 specific part number may no longer be readily available or recommended for new circuit implementations.

Substiute Parts

RK73H1HTTC9104F

KOA Speer Electronics, Inc.In Stock: 24741RK73H1HTTC9104F Datasheet

Current PartRFQ

RK73H1HTTCM9104F

KOA Speer Electronics, Inc.In Stock: 954RK73H1HTTCM9104F Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the RK73H1HTTC9104F is determined by strict equivalence across the following critical parameters:

Electrical Parameters (Must Match Exactly):

• Resistance value: 9.1 MOhms
• Tolerance: ±1%
• Power rating: 0.05W (1/20W)
• Temperature coefficient: ±200ppm/°C
• Operating temperature range: -55°C to 155°C

Mechanical Parameters (Must Match Exactly):

• Package designation: 0201 (0603 Metric)
• Physical dimensions: 0.024" L × 0.012" W (0.60mm × 0.30mm)
• Maximum seated height: 0.010" (0.26mm)
• Number of terminations: 2

Compliance & Certification Parameters (Must Match or Exceed):

• Automotive qualification: AEC-Q200
• Moisture resistance: Required
• Moisture Sensitivity Level: MSL 1 or better
• RoHS compliance: ROHS3 or equivalent

Substitute parts must satisfy all electrical and mechanical parameters without deviation. Compliance certifications must meet or exceed the original specification.

Parameter Comparison

Engineering Selection Recommendations

The RK73H1HTTCM9104F is a direct functional equivalent to the RK73H1HTTC9104F. Both components are manufactured by KOA Speer Electronics, Inc. within the RK73H series and satisfy identical electrical, mechanical, and environmental specifications.

The primary distinction is product lifecycle status: the original RK73H1HTTC9104F is designated "Not For New Designs," while the RK73H1HTTCM9104F maintains "Active" status. This indicates the substitute part represents the current production offering from the manufacturer for this resistance value and package combination.

Both parts carry AEC-Q200 automotive qualification, ROHS3 compliance, and MSL 1 moisture sensitivity rating. Selection between these parts should be based on availability and supply chain requirements rather than technical performance, as electrical and mechanical characteristics are identical.

Frequently Asked Questions (FAQ)

Q: Can RK73H1HTTCM9104F be used as a direct replacement for RK73H1HTTC9104F?

A: Yes. Both parts are electrically and mechanically identical with matching 9.1 MOhm resistance, ±1% tolerance, 0.05W power rating, 0201 package dimensions, and AEC-Q200 automotive qualification. The substitute part is the current active production equivalent.

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

A: This designation indicates the RK73H1HTTC9104F has been superseded in the manufacturer's product line. The RK73H1HTTCM9104F is the recommended active alternative for new circuit implementations. Existing designs using the original part number may continue operation without modification.

Q: Are the physical dimensions identical between these parts?

A: Yes. Both components are 0201 package (0603 metric) with dimensions of 0.024" L × 0.012" W (0.60mm × 0.30mm) and maximum seated height of 0.010" (0.26mm). They are mechanically interchangeable on PCB layouts.

Q: Do both parts meet automotive standards?

A: Yes. Both the RK73H1HTTC9104F and RK73H1HTTCM9104F carry AEC-Q200 automotive qualification and are suitable for automotive applications requiring this certification level.

Q: What is the difference in moisture sensitivity between these parts?

A: Both parts have identical Moisture Sensitivity Level (MSL) rating of 1 (Unlimited), indicating no moisture-related handling restrictions during storage or assembly.

Q: Are there any compliance differences?

A: No. Both parts are ROHS3 compliant, REACH unaffected, and carry identical environmental and regulatory certifications.