RK73B2ETTD121JAlternatives & Equivalent Parts
About RK73B2ETTD121J
RK73B2ETTD121J is a Resistor component manufactured by KOA Speer. It comes in a Resistor Chip package. Below you'll find known alternative and equivalent parts that can serve as replacements in your design.
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Specification Comparison
| Parameter | RK73B2ETTD121JSource | GRM155B11A104KA01D | RK73B1ETTP103J | RK73B1ETTP472J | RK73B1ETTP471J | GRM155R61A106ME11D |
|---|---|---|---|---|---|---|
| Manufacturer | KOA Speer | Murata Electronics | KOA Speer | KOA Speer | KOA Speer | Murata Electronics |
| Package Type | Resistor Chip | Capacitor Chip Non-polarised | Resistor Chip | Resistor Chip | Resistor Chip | Other |
| Pin Count | 2 | 2 | 2 | 2 | 2 | 2 |
| Temperature Range | -55.0°C ~ 155.0°C | -25.0°C ~ 85.0°C | -55.0°C ~ 155.0°C | -55.0°C ~ 155.0°C | -55.0°C ~ 155.0°C | -55.0°C ~ 85.0°C |
| Price | $0.0094 | $0.0090 | $0.0006 | $0.0016 | $0.0017 | $0.0101 |
| Stock | In Stock | In Stock | In Stock | In Stock | In Stock | In Stock |
| Lifecycle | ACTIVE | NOT RECOMMENDED | ACTIVE | ACTIVE | ACTIVE | ACTIVE |
| Electrical Parameters | ||||||
| Pbfree Code | Yes | Yes | Yes | Yes | Yes | — |
| Reach Compliance Code | Compliant | Compliant | Compliant | Compliant | Compliant | Compliant |
| YTEOL | 12 | 3 | 13 | 13 | 13 | 7 |
| Construction | Rectangular | — | Rectangular | Rectangular | Rectangular | — |
| JESD-609 Code | e3 | e3 | e3 | e3 | e3 | e3 |
| Mounting Feature | SURFACE MOUNT | SURFACE MOUNT | SURFACE MOUNT | SURFACE MOUNT | SURFACE MOUNT | SURFACE MOUNT |
| Package Height | 0.6 mm | — | 0.35 mm | 0.35 mm | 0.35 mm | — |
| Package Length | 3.2 mm | — | 1 mm | 1 mm | 1 mm | — |
| Package Shape | RECTANGULAR PACKAGE | RECTANGULAR PACKAGE | RECTANGULAR PACKAGE | RECTANGULAR PACKAGE | RECTANGULAR PACKAGE | RECTANGULAR PACKAGE |
| Package Style | SMT | SMT | SMT | SMT | SMT | SMT |
| Package Width | 2.6 mm | — | 0.5 mm | 0.5 mm | 0.5 mm | — |
| Packing Method | TR, Punched Paper, 7 Inch | 180mm Reel W8P2 | TR, Punched Paper, 7 Inch | TR, Punched Paper, 7 Inch | TR, Punched Paper, 7 Inch | 180mm Reel W8P2 |
| Rated Power Dissipation (P) | 0.5 W | — | 0.1 W | 0.1 W | 0.1 W | — |
| Rated Temperature | 70 °C | — | 70 °C | 70 °C | 70 °C | — |
| Reference Standard | AEC-Q200, IEC60115-8 | — | AEC-Q200, IEC60115-8 | AEC-Q200, IEC60115-8 | AEC-Q200, IEC60115-8 | — |
| Resistance | 120 Ω | — | 10000 Ω | 4700 Ω | 470 Ω | — |
| Resistor Type | FIXED RESISTOR | — | FIXED RESISTOR | FIXED RESISTOR | FIXED RESISTOR | — |
| Size Code | 1210 | 1005M/0402 | 0402 | 0402 | 0402 | 1005M/0402 |
| Surface Mount | YES | YES | YES | YES | YES | YES |
| Technology | METAL GLAZE/THICK FILM | — | METAL GLAZE/THICK FILM | METAL GLAZE/THICK FILM | METAL GLAZE/THICK FILM | — |
| Temperature Coefficient | 200 ppm/°C | 10% ppm/°C | 200 ppm/°C | 200 ppm/°C | 200 ppm/°C | 15% ppm/°C |
| Terminal Finish | Matte Tin (Sn) - with Nickel (Ni) barrier | Matte Tin (Sn) - with Nickel (Ni) barrier | Matte Tin (Sn) - with Nickel (Ni) barrier | MATTE TIN OVER NICKEL | MATTE TIN OVER NICKEL | Matte Tin (Sn) - with Nickel (Ni) barrier |
| Terminal Shape | WRAPAROUND | WRAPAROUND | WRAPAROUND | WRAPAROUND | WRAPAROUND | WRAPAROUND |
| Tolerance | 5% | — | 5% | 5% | 5% | — |
| Working Voltage | 200 V | — | 75 V | 75 V | 75 V | — |
| Capacitance | — | 0.1 µF | — | — | — | 10 µF |
| Capacitor Type | — | CERAMIC CAPACITOR | — | — | — | CERAMIC CAPACITOR |
| Dielectric Material | — | CERAMIC | — | — | — | CERAMIC |
| Height | — | 0.5 mm | — | — | — | 0.5 mm |
| Multilayer | — | YES | — | — | — | YES |
| Negative Tolerance | — | 10% | — | — | — | 20% |
| Positive Tolerance | — | 10% | — | — | — | 20% |
| Rated (DC) Voltage (URdc) | — | 10 V | — | — | — | 10 V |
| Temperature Characteristics Code | — | B | — | — | — | X5R |
| Factory Lead Time | — | — | — | — | — | 10 Weeks |
| ## GRM155R61A106ME11D Alternates Showing results | — | — | — | — | — | Image |
Cells highlighted in yellow indicate differing values across parts. Always verify with official datasheets before substitution.
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Why Look for Alternatives?
Finding alternatives for RK73B2ETTD121J is essential for supply chain resilience. Component shortages, long lead times, and end-of-life notices can disrupt production schedules. Having verified alternative parts ensures your designs remain manufacturable.
When evaluating RK73B2ETTD121J replacements, consider key parameters such as package compatibility, electrical specifications, and operating temperature range. Our engineering team can help verify pin-to-pin compatibility for your specific application.
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FAQ
What is equivalent to RK73B2ETTD121J?
Known equivalents for RK73B2ETTD121J include GRM155B11A104KA01D, RK73B1ETTP103J, RK73B1ETTP472J. Contact FindMyChip for a full compatibility analysis for your specific application.
Can I use a different manufacturer's part instead of RK73B2ETTD121J?
In many cases, yes. Cross-manufacturer alternatives exist for most standard components. However, always verify pin compatibility, electrical specs, and package dimensions before substituting in production.
How do I verify RK73B2ETTD121J alternatives?
Compare the datasheet specifications including pinout, voltage ratings, timing parameters, and package dimensions. FindMyChip's engineering team can help with compatibility verification — submit an RFQ to get started.