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Equivalent & Substitute Parts for AR0805FR-073RL
Part Overview
The AR0805FR-073RL is a 3 Ohm ±1% thick film chip resistor in 0805 (2012 Metric) package format, rated for 0.125W (1/8W) power dissipation. This YAGEO component is actively produced and widely used in general-purpose electronic applications requiring moisture-resistant film resistors. Alternative equivalent parts become necessary when addressing specific application requirements such as automotive qualification, series availability, or supply chain optimization while maintaining identical electrical and mechanical specifications.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Resistance | 3 Ohms |
| Tolerance | ±1% |
| Power Rating | 0.125W (1/8W) |
| Package / Case | 0805 (2012 Metric) |
| Composition | Thick Film |
| Temperature Coefficient | ±200ppm/°C |
| Operating Temperature Range | -55°C ~ 155°C |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) |
| RoHS Status | ROHS3 Compliant |
Substitute Part Grouping Explanation
Substitution eligibility for the AR0805FR-073RL is determined by strict equivalence across the following parameters: resistance value (3 Ohms), tolerance (±1%), power rating (0.125W), package format (0805 / 2012 Metric), composition (thick film), temperature coefficient (±200ppm/°C), operating temperature range (-55°C ~ 155°C), and regulatory compliance (ROHS3, REACH Unaffected, EAR99).
The substitute parts are grouped into three categories:
Direct Equivalent (RC0805FR-073RL): Identical electrical and mechanical specifications with standard industrial-grade qualification. Differs only in series designation (RC_L vs. AR).
Upgrade Equivalent (AC0805FR-073RL): Meets all base specifications with additional automotive AEC-Q200 qualification, suitable for applications requiring enhanced reliability standards.
Cross-Manufacturer Equivalent (RMCF0805FT3R00): Stackpole Electronics alternative meeting identical specifications with AEC-Q200 automotive qualification. Maximum seated height is 0.026" (0.65mm) versus 0.024" (0.60mm) for YAGEO variants, remaining within standard 0805 package tolerance.
Parameter Comparison
| Parameter | AR0805FR-073RL | RC0805FR-073RL | AC0805FR-073RL | RMCF0805FT3R00 |
|---|---|---|---|---|
| Manufacturer | YAGEO | YAGEO | YAGEO | Stackpole Electronics Inc |
| Resistance | 3 Ohms | 3 Ohms | 3 Ohms | 3 Ohms |
| Tolerance | ±1% | ±1% | ±1% | ±1% |
| Power Rating | 0.125W | 0.125W | 0.125W | 0.125W |
| Package / Case | 0805 (2012 Metric) | 0805 (2012 Metric) | 0805 (2012 Metric) | 0805 (2012 Metric) |
| Composition | Thick Film | Thick Film | Thick Film | Thick Film |
| Temperature Coefficient | ±200ppm/°C | ±200ppm/°C | ±200ppm/°C | ±200ppm/°C |
| Operating Temperature | -55°C ~ 155°C | -55°C ~ 155°C | -55°C ~ 155°C | -55°C ~ 155°C |
| Height - Seated (Max) | 0.024" (0.60mm) | 0.024" (0.60mm) | 0.024" (0.60mm) | 0.026" (0.65mm) |
| MSL Rating | 1 (Unlimited) | 1 (Unlimited) | 1 (Unlimited) | 1 (Unlimited) |
| RoHS Status | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant |
| Automotive Qualification | None | None | AEC-Q200 | AEC-Q200 |
Engineering Selection Recommendations
AR0805FR-073RL (Original): Select for general-purpose applications where automotive qualification is not required. Active product status with established supply chain.
RC0805FR-073RL (Direct Equivalent): Select as primary substitute when AR0805FR-073RL availability is constrained. Identical specifications and performance characteristics. Highest inventory availability (457,850 pcs).
AC0805FR-073RL (Upgrade Equivalent): Select for applications requiring automotive-grade reliability or when AEC-Q200 qualification is specified. Maintains all base electrical parameters while adding enhanced qualification status.
RMCF0805FT3R00 (Cross-Manufacturer Equivalent): Select when Stackpole Electronics supply chain is preferred or when cross-manufacturer qualification is required. AEC-Q200 rated. Maximum seated height of 0.026" remains within standard 0805 package tolerance and does not impact PCB layout compatibility.
Frequently Asked Questions (FAQ)
Q: Can RC0805FR-073RL be used as a direct replacement for AR0805FR-073RL?
A: Yes. Both parts are YAGEO 3 Ohm ±1% 0805 thick film resistors with identical electrical specifications, temperature characteristics, and package dimensions. The RC series is a direct functional equivalent.
Q: What is the difference between AC0805FR-073RL and AR0805FR-073RL?
A: Both are YAGEO 3 Ohm ±1% 0805 resistors with identical electrical performance. AC0805FR-073RL includes AEC-Q200 automotive qualification, making it suitable for automotive applications requiring enhanced reliability standards.
Q: Is RMCF0805FT3R00 compatible with AR0805FR-073RL in terms of PCB layout?
A: Yes. Although RMCF0805FT3R00 has a maximum seated height of 0.026" (0.65mm) compared to 0.024" (0.60mm) for YAGEO variants, this difference remains within standard 0805 package tolerance and does not affect PCB footprint compatibility or assembly processes.
Q: Which substitute should be selected for automotive applications?
A: AC0805FR-073RL (YAGEO) or RMCF0805FT3R00 (Stackpole Electronics). Both carry AEC-Q200 automotive qualification and meet all electrical specifications of the original part.
Q: Are all substitute parts RoHS3 compliant?
A: Yes. AR0805FR-073RL, RC0805FR-073RL, AC0805FR-073RL, and RMCF0805FT3R00 are all ROHS3 compliant and REACH unaffected.
Q: What is the MSL rating for these resistors?
A: All parts carry MSL 1 (Unlimited) rating, indicating no moisture sensitivity limitations during storage or handling.
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