Equivalent & Substitute Parts for RK73H1HTTC3482F

Part Overview

The RK73H1HTTC3482F is a 34.8 kOhms ±1% thick film chip resistor manufactured by KOA Speer Electronics, Inc., rated at 0.05W (1/20W) in a 0201 package (0.60mm x 0.30mm). This component meets AEC-Q200 automotive qualification standards and features moisture-resistant construction suitable for automotive and industrial applications operating across -55°C to 155°C.

The RK73H1HTTC3482F 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 reliability, and support ongoing production of systems utilizing this resistor value and package specification.

Substiute Parts

RK73H1HTTC3482F
KOA Speer Electronics, Inc.In Stock: 9966RK73H1HTTC3482F Datasheet
RK73H1HTTC3482F
Current Part
RK73H1HTTCM3482F
KOA Speer Electronics, Inc.In Stock: 948RK73H1HTTCM3482F Datasheet
RK73H1HTTCM3482F
MFR Recommended

Key Parameters

Parameter Value
Resistance 34.8 kOhms
Tolerance ±1%
Power Rating 0.05W (1/20W)
Package / Case 0201 (0603 Metric)
Composition Thick Film
Temperature Coefficient ±200ppm/°C
Operating Temperature Range -55°C ~ 155°C
Automotive Rating AEC-Q200
Moisture Resistance Yes
RoHS Status ROHS3 Compliant
Moisture Sensitivity Level (MSL) 1 (Unlimited)

Substitute Part Grouping Explanation

Substitute parts for the RK73H1HTTC3482F are qualified based on strict electrical and mechanical parameter matching:

Substitution Criteria:

  • Resistance value: 34.8 kOhms (exact match required)
  • Tolerance: ±1% (exact match required)
  • Power rating: 0.05W / 1/20W (exact match required)
  • Package: 0201 (0603 Metric) (exact match required)
  • Composition: Thick Film (exact match required)
  • Temperature coefficient: ±200ppm/°C (exact match required)
  • Operating temperature range: -55°C ~ 155°C (exact match required)
  • Automotive qualification: AEC-Q200 (exact match required)
  • Moisture resistance: Yes (exact match required)
  • RoHS compliance: ROHS3 Compliant (exact match required)
  • MSL rating: 1 (Unlimited) (exact match required)

All substitute parts listed maintain identical electrical performance, thermal characteristics, environmental ratings, and physical dimensions as the primary part. Substitutes differ only in manufacturer identity and product lifecycle status.

Parameter Comparison

Parameter RK73H1HTTC3482F (KOA) RK73H1HTTCM3482F (KOA) AC0201FR-0734K8L (YAGEO)
Manufacturer KOA Speer Electronics, Inc. KOA Speer Electronics, Inc. YAGEO
Resistance 34.8 kOhms 34.8 kOhms 34.8 kOhms
Tolerance ±1% ±1% ±1%
Power Rating 0.05W (1/20W) 0.05W (1/20W) 0.05W (1/20W)
Package / Case 0201 (0603 Metric) 0201 (0603 Metric) 0201 (0603 Metric)
Composition Thick Film Thick Film Thick Film
Temperature Coefficient ±200ppm/°C ±200ppm/°C ±200ppm/°C
Operating Temperature -55°C ~ 155°C -55°C ~ 155°C -55°C ~ 155°C
AEC-Q200 Rating Yes Yes Yes
Moisture Resistant Yes Yes Yes
RoHS Status ROHS3 Compliant ROHS3 Compliant ROHS3 Compliant
MSL Rating 1 (Unlimited) 1 (Unlimited) 1 (Unlimited)
Product Status Not For New Designs Active Active
Size / Dimension 0.024" L x 0.012" W (0.60mm x 0.30mm) 0.024" L x 0.012" W (0.60mm x 0.30mm) 0.024" L x 0.012" W (0.60mm x 0.30mm)
Height - Seated (Max) 0.010" (0.26mm) 0.010" (0.26mm) 0.010" (0.26mm)
Number of Terminations 2 2 2

Engineering Selection Recommendations

Primary Substitute: RK73H1HTTCM3482F (KOA Speer Electronics, Inc.)

The RK73H1HTTCM3482F is the manufacturer-recommended equivalent from KOA Speer Electronics, Inc. This part maintains identical electrical and mechanical specifications to the RK73H1HTTC3482F while carrying Active product status. Selection of this part ensures continuity within the same manufacturer ecosystem and simplifies qualification processes for existing designs. Current inventory availability is 868 pieces.

Alternative Substitute: AC0201FR-0734K8L (YAGEO)

The AC0201FR-0734K8L from YAGEO provides a cross-manufacturer equivalent with identical electrical performance, thermal characteristics, and automotive qualification. This part carries Active product status and is available in Tape & Reel packaging. Current inventory availability is 783 pieces. Selection of this part introduces a secondary manufacturer source, supporting supply chain diversification and long-term availability assurance.

Both substitute parts satisfy all electrical, mechanical, environmental, and compliance requirements specified for the RK73H1HTTC3482F. Selection between them depends on supply chain strategy, existing qualification documentation, and inventory requirements.

Frequently Asked Questions (FAQ)

Q: Can the RK73H1HTTCM3482F directly replace the RK73H1HTTC3482F in existing designs?

A: Yes. The RK73H1HTTCM3482F is electrically and mechanically identical to the RK73H1HTTC3482F. Both parts share the same resistance value (34.8 kOhms), tolerance (±1%), power rating (0.05W), package (0201), temperature coefficient (±200ppm/°C), operating temperature range (-55°C ~ 155°C), and AEC-Q200 automotive qualification. Direct substitution is supported without design modification.

Q: What is the difference between RK73H1HTTC3482F and RK73H1HTTCM3482F?

A: The primary difference is product lifecycle status. The RK73H1HTTC3482F carries "Not For New Designs" status, indicating end-of-life transition. The RK73H1HTTCM3482F carries Active status, indicating ongoing production and long-term availability. All electrical, mechanical, and compliance parameters are identical.

Q: Can YAGEO AC0201FR-0734K8L replace KOA parts in automotive applications?

A: Yes. The AC0201FR-0734K8L meets AEC-Q200 automotive qualification, ROHS3 compliance, and all electrical specifications required for automotive use. It provides a qualified cross-manufacturer alternative suitable for automotive circuit applications.

Q: Are there packaging differences between substitute parts?

A: The RK73H1HTTC3482F and AC0201FR-0734K8L are both supplied in Tape & Reel (TR) packaging. The RK73H1HTTCM3482F packaging specification is not provided in available documentation. All three parts use identical 0201 (0603 Metric) package dimensions: 0.024" L x 0.012" W (0.60mm x 0.30mm) with maximum seated height of 0.010" (0.26mm).

Q: Do all substitute parts meet moisture sensitivity requirements?

A: Yes. All substitute parts carry MSL rating 1 (Unlimited), indicating no moisture sensitivity limitations. These parts are suitable for standard storage and handling conditions without special moisture control requirements.

Q: What compliance certifications apply to all substitute parts?

A: All substitute parts are ROHS3 Compliant, REACH Unaffected, and carry AEC-Q200 automotive qualification. All parts are classified under ECCN EAR99 and HTSUS 8533.21.0030.

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