Alternatives to Panasonic Industry ERJ2RKF5110X
Panasonic Industry ERJ2RKF5110X and its qualified second sources, compared on form/fit/function, stock, lifecycle and price — the same checks Parter runs inside a BOM.
 ERJ2RKF5110XPanasonic Industry |  RK73H1ETTP5110FKOA Speer Electronics, Inc. |  CRCW0402511RFKEDVishay Dale | +5more | |
|---|---|---|---|---|
| FFF Compatibility | Both use standard 0402 (1005 Metric) surface-mount packaging with identical pinouts and pad layouts.The physical dimensions (1.00mm x 0.50mm) and land patterns are identical.Matches the original on all key specifications: 511 Ohms, 1% tolerance, 0.1W power rating, 100ppm/°C T.C.R., and AEC-Q200 status. | Both use standard 0402 (1005 Metric) surface-mount packaging with identical pinouts and pad layouts.The physical dimensions (1.00mm x 0.50mm) and land patterns are identical.Power rating is lower (0.063W / 1/16W) compared to the original part's upgraded 0.1W (1/10W) rating. | ||
 AI Summary | ERJ2RKF5110X by Panasonic Industry: 511 Ohms ±1% 0.1W, 1/10W Chip Resistor 0402 (1005 Metric) Automotive AEC-Q200 Thick Film. | This KOA Speer resistor is a high-confidence drop-in alternative that matches the original's higher-standard 0.1W power rating and AEC-Q200 automotive qualification. It is directly compatible in physical size, electrical parameters, and environmental durability.
| This Vishay Dale resistor is a highly reliable automotive-qualified alternative. It matches all mechanical dimensions and tolerances, though it features a slightly lower power rating of 1/16W (0.063W) compared to the original's 1/10W (0.1W).
| |
| Lifecycle Status | Active | Active | Active | |
| Market Availability | In stock | In stock | In stock | |
| REACH | REACH | REACH | REACH | |
| RoHS | RoHS | RoHS | RoHS | |
| Description | 511 Ohms ±1% 0.1W, 1/10W Chip Resistor 0402 (1005 Metric) Automotive AEC-Q200 Thick Film | 511 Ohms ±1% 0.1W, 1/10W Chip Resistor 0402 (1005 Metric) Automotive AEC-Q200 Thick Film | 511 Ohms ±1% 0.063W, 1/16W Chip Resistor 0402 (1005 Metric) Automotive AEC-Q200 Thick Film | |
| Manufacturer | Panasonic Industry | KOA Speer Electronics, Inc. | Vishay Dale | |
| Type | Chip Resistor - Surface Mount | Chip Resistor - Surface Mount | Chip Resistor - Surface Mount | |
| Datasheet | Open | Open | Open | |
| Lead Time | 15 weeks | 9 weeks | 15 weeks | |
| Country of Origin | CN | - | - | |
| Export Control Class Number | EAR99 | EAR99 | EAR99 | |
| HTSUS Code | 8533.21.0030 | - | - | |
| Moisture Sensitivity Level | 1 (Unlimited) | - | - | |
| Features | Automotive AEC-Q200 | - | - | |
| Tolerance | ±1% | - | - | |
| Resistance | 511 Ohms | - | - | |
| Composition | Thick Film | - | - | |
| Power (Watts) | 0.1W, 1/10W | - | - | |
| Package / Case | 0402 (1005 Metric) | - | - | |
| Size / Dimension | 0.039" L x 0.020" W (1.00mm x 0.50mm) | - | - | |
| Height - Seated (Max) | 0.016" (0.40mm) | - | - |
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Frequently asked questions
Yes. The Panasonic Industry ERJ2RKF5110X is active and in production. The parts listed here are qualified equivalents if you need a second source or better availability.
The closest qualified second sources for the Panasonic Industry ERJ2RKF5110X are the RK73H1ETTP5110F (KOA Speer Electronics, Inc.) and the CRCW0402511RFKED (Vishay Dale), out of 7 matched alternatives in total. Each is compared against the original on fit, form and function in the table above.
Not always. The alternatives to the ERJ2RKF5110X are matched on function but can differ in package, pinout or a key parameter, so review the fit/form/function notes in the table and the datasheet before designing one in.
The ERJ2RKF5110X (Panasonic Industry) is a part in the Chip Resistor - Surface Mount category. This page lists qualified, cross-referenced replacements for it with a side-by-side comparison.
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