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Equivalent & Substitute Parts for RK73H1HTTC2403F
Part Overview
The RK73H1HTTC2403F is a 240 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 incorporates moisture-resistant construction suitable for automotive and industrial applications operating across -55°C to 155°C.
The RK73H1HTTC2403F carries a "Not For New Designs" product status. Identifying equivalent and substitute parts is necessary to support ongoing production requirements, field service applications, and design continuity where this component remains specified in active systems.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Resistance | 240 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
Substitution eligibility for the RK73H1HTTC2403F is determined by strict equivalence across the following critical parameters:
Mandatory Matching Parameters:
- Resistance value: 240 kOhms
- Tolerance: ±1%
- Power rating: 0.05W (1/20W)
- Package: 0201 (0603 Metric)
- Composition: Thick Film
- Temperature coefficient: ±200ppm/°C
- Operating temperature range: -55°C ~ 155°C
- Automotive qualification: AEC-Q200
- Moisture resistance: Present
- RoHS compliance: ROHS3 Compliant
- MSL rating: 1 (Unlimited)
All identified substitute parts meet these parameters without exception. Substitutes are grouped by manufacturer and product status to facilitate procurement decisions based on availability and design lifecycle requirements.
Parameter Comparison
| Parameter | RK73H1HTTC2403F (KOA) | RK73H1HTTCM2403F (KOA) | AC0201FR-07240KL (YAGEO) |
|---|---|---|---|
| Manufacturer | KOA Speer Electronics, Inc. | KOA Speer Electronics, Inc. | YAGEO |
| Resistance | 240 kOhms | 240 kOhms | 240 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
RK73H1HTTCM2403F (KOA Speer Electronics, Inc.)
This part is the manufacturer-recommended substitute from KOA Speer Electronics, Inc. It carries Active product status, indicating ongoing manufacturing support and availability. All electrical and mechanical parameters are identical to the RK73H1HTTC2403F. This option is preferred for applications requiring continuity within the KOA product family and where long-term supply assurance is a priority.
AC0201FR-07240KL (YAGEO)
This part is a direct cross-reference from YAGEO, an alternative manufacturer. It meets all specified electrical and mechanical parameters, including AEC-Q200 automotive qualification, ROHS3 compliance, and MSL 1 rating. The AC0201FR-07240KL carries Active product status and demonstrates higher current inventory availability (10,766 Pcs). This option is suitable for applications where multi-source qualification is established or where supply chain diversification is required.
Both substitute parts are functionally and mechanically equivalent to the RK73H1HTTC2403F and are suitable for direct replacement in existing designs and production environments.
Frequently Asked Questions (FAQ)
Q: Can the RK73H1HTTCM2403F be used as a direct replacement for the RK73H1HTTC2403F?
A: Yes. The RK73H1HTTCM2403F is electrically and mechanically identical to the RK73H1HTTC2403F. Both components share the same resistance value (240 kOhms), tolerance (±1%), power rating (0.05W), package (0201), temperature coefficient (±200ppm/°C), operating temperature range (-55°C ~ 155°C), and automotive qualification (AEC-Q200). The primary difference is product status: RK73H1HTTCM2403F is Active, while RK73H1HTTC2403F is Not For New Designs.
Q: Is the YAGEO AC0201FR-07240KL compatible with designs specified for the RK73H1HTTC2403F?
A: Yes. The AC0201FR-07240KL meets all critical electrical and mechanical specifications: 240 kOhms ±1%, 0.05W power rating, 0201 package, ±200ppm/°C temperature coefficient, -55°C ~ 155°C operating range, AEC-Q200 automotive qualification, ROHS3 compliance, and MSL 1 rating. Compatibility is confirmed across all specified parameters.
Q: What is the significance of the "Not For New Designs" status on the RK73H1HTTC2403F?
A: "Not For New Designs" indicates that KOA Speer Electronics, Inc. has transitioned this part number to end-of-life status and does not recommend its use in new product development. However, the part remains available for existing production and field service applications. For new designs, the RK73H1HTTCM2403F (Active status) is the recommended KOA alternative.
Q: Are there any differences in packaging between these three parts?
A: The RK73H1HTTC2403F and AC0201FR-07240KL are both supplied in Tape & Reel (TR) packaging. The RK73H1HTTCM2403F packaging specification is not provided in the available data. All three parts use the identical 0201 (0603 Metric) package format with dimensions of 0.024" L x 0.012" W (0.60mm x 0.30mm) and maximum seated height of 0.010" (0.26mm).
Q: Do all three parts meet automotive qualification requirements?
A: Yes. All three parts carry AEC-Q200 automotive qualification, ROHS3 compliance, and MSL 1 (Unlimited) moisture sensitivity rating. They are suitable for automotive and industrial applications requiring these certifications.
Q: Which substitute part should be selected for maximum supply availability?
A: The AC0201FR-07240KL (YAGEO) demonstrates the highest current inventory at 10,766 Pcs. The RK73H1HTTCM2403F (KOA) has 1,098 Pcs available. Selection should be based on established supplier relationships, qualification requirements, and supply chain strategy rather than inventory levels alone.
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