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AC0201FR-07649RL Equivalent & Substitute Parts
Part Overview
The AC0201FR-07649RL is a 649 Ohm ±1% thick film chip resistor in 0201 package format (0.60mm × 0.30mm) rated at 0.05W (1/20W). This automotive-grade component meets AEC-Q200 qualification with moisture-resistant construction and operates across -55°C to 155°C. The part is active in production with 863 units in current inventory. Equivalent and substitute parts are identified to support procurement flexibility, design continuity, and supply chain alternatives while maintaining electrical and mechanical compatibility.
Substiute Parts
Key Parameters
| Parameter | Specification |
|---|---|
| Resistance Value | 649 Ohms |
| 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 to 155°C (main part); -55°C to 125°C (some substitutes) |
| Dimensions | 0.024" L × 0.012" W (0.60mm × 0.30mm) |
| Height - Seated (Max) | 0.010" to 0.011" (0.26mm to 0.28mm) |
| RoHS Status | ROHS3 Compliant |
| Moisture Sensitivity Level | MSL 1 (Unlimited) |
Substitute Part Grouping Explanation
Substitution eligibility is determined by matching the following critical parameters across all candidates:
- Resistance value: 649 Ohms
- Tolerance: ±1%
- Power rating: 0.05W (1/20W)
- Package: 0201 (0603 Metric)
- Composition: Thick Film
- Temperature coefficient: ±200ppm/°C
- RoHS compliance: ROHS3
- Moisture sensitivity: MSL 1
All identified substitutes meet these core electrical and mechanical requirements. Operating temperature range varies between -55°C to 155°C (AC0201FR-07649RL, CRCW0201649RFNED, RMCF0201FT649R) and -55°C to 125°C (RC0201FR-07649RL, ERJ-1GNF6490C). Automotive AEC-Q200 rating is present on AC0201FR-07649RL and RMCF0201FT649R. Physical height tolerance ranges from 0.010" to 0.011" maximum seated height across all parts.
Parameter Comparison
| Manufacturer Part Number | Manufacturer | Resistance | Tolerance | Power | Package | Temp Coeff | Op Temp Range | Height Max | AEC-Q200 | Inventory |
|---|---|---|---|---|---|---|---|---|---|---|
| AC0201FR-07649RL | YAGEO | 649 Ω | ±1% | 0.05W | 0201 | ±200ppm/°C | -55°C to 155°C | 0.010" | Yes | 863 |
| RC0201FR-07649RL | YAGEO | 649 Ω | ±1% | 0.05W | 0201 | ±200ppm/°C | -55°C to 125°C | 0.010" | No | 282,263 |
| CRCW0201649RFNED | Vishay Dale | 649 Ω | ±1% | 0.05W | 0201 | ±200ppm/°C | -55°C to 155°C | 0.010" | No | 10,544 |
| RMCF0201FT649R | Stackpole Electronics Inc | 649 Ω | ±1% | 0.05W | 0201 | ±200ppm/°C | -55°C to 155°C | 0.011" | Yes | 4,430 |
| ERJ-1GNF6490C | Panasonic Electronic Components | 649 Ω | ±1% | 0.05W | 0201 | ±200ppm/°C | -55°C to 125°C | 0.010" | No | 118,603 |
Engineering Selection Recommendations
Primary Substitute (Same Manufacturer): RC0201FR-07649RL (YAGEO) provides the highest inventory availability (282,263 units) and maintains identical electrical specifications. Operating temperature range is reduced to -55°C to 125°C; applications requiring full -55°C to 155°C performance must verify thermal requirements before substitution.
Automotive-Qualified Alternatives: RMCF0201FT649R (Stackpole Electronics Inc) carries AEC-Q200 rating matching the original part and supports the full -55°C to 155°C operating range. Physical height is 0.011" maximum, within acceptable tolerance for 0201 package specifications.
High-Availability Substitute: ERJ-1GNF6490C (Panasonic Electronic Components) offers substantial inventory (118,603 units) with identical electrical parameters. Operating temperature is limited to -55°C to 125°C.
Cross-Manufacturer Option: CRCW0201649RFNED (Vishay Dale) maintains full -55°C to 155°C performance with 10,544 units available. All parts are ROHS3 compliant and MSL 1 rated.
Frequently Asked Questions (FAQ)
Q: Can RC0201FR-07649RL replace AC0201FR-07649RL in all applications?
A: RC0201FR-07649RL is electrically and mechanically compatible for applications operating within -55°C to 125°C. Applications requiring operation above 125°C must use AC0201FR-07649RL, CRCW0201649RFNED, or RMCF0201FT649R.
Q: Does the 0.001" height difference between parts affect PCB assembly?
A: The height variation (0.010" to 0.011" maximum seated) is within standard 0201 package tolerance and does not impact pick-and-place assembly or reflow soldering processes.
Q: Are all substitutes suitable for automotive applications?
A: AC0201FR-07649RL and RMCF0201FT649R carry AEC-Q200 qualification. Other substitutes meet general automotive environmental specifications but lack formal AEC-Q200 certification. Verify design requirements before selecting non-AEC-Q200 parts for automotive end-use.
Q: What is the impact of different manufacturers on supply chain reliability?
A: All listed manufacturers (YAGEO, Vishay Dale, Stackpole Electronics Inc, Panasonic Electronic Components) are established component suppliers. Inventory levels vary; RC0201FR-07649RL and ERJ-1GNF6490C offer superior availability for high-volume procurement.
Q: Are moisture-resistant features consistent across all substitutes?
A: AC0201FR-07649RL explicitly specifies moisture-resistant construction. All parts are MSL 1 rated (unlimited moisture sensitivity level), indicating robust moisture protection across the substitute group.
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