ERJU02F4701X
Panasonic
Needs validationlow risk
Panasonic ERJU02F4701X is a strong match with the added benefit of anti-sulfuration for improved reliability.
Best Alternatives to RK73H1ETTP4701F
Finding a replacement for the KOA Speer RK73H1ETTP4701F involves matching its 4.7kΩ, 1%, 0.1W, 0402 thick film specs. Several pin-compatible alternatives from Yageo, Panasonic, and others exist.
AI replacement insight
Electrical risklow
Key parameters match across several candidates.
Package risklow
0402 is a standard package with consistent dimensions.
Sourcing riskmedium
Verify candidate's AEC-Q200 status if replacing in an automotive design.
Can it be replaced directly?
Direct replacement for RK73H1ETTP4701F should use only Datasheet verified or Strong match candidates; many approved options still require engineering review.
Best replacement path
Prioritize thick film, 0402 resistors with 4.7kΩ, ≥0.1W, and ±1% tolerance. Yageo RC0402FR-7W4K7L is a strong option.
Main risk
The primary risk is ensuring the replacement meets the same reliability and environmental standards, such as AEC-Q200, if used in an automotive application.
Recommended alternatives
3Alternative comparison matrix
| Feature / factor | RK73H1ETTP4701F | ERJU02F4701X | HP02WAF4701TCE | RC0402FR-7W4K7L | Compatibility / risk |
|---|---|---|---|---|---|
| Package | 0402 (1005 Metric) | 0402 | 0402 (1005 Metric) | 0402 | 0402 / 0402 (1005 Metric) — Form factor matches.; HP02WAF4701TCE: Form factor matches.; RC0402FR-7W4K7L: Form factor matches. |
| Resistance | 4.7kΩ | 4.7kΩ | 4.7kΩ | 4.7kΩ | 4.7kΩ — Resistance value matches.; HP02WAF4701TCE: Resistance value matches.; RC0402FR-7W4K7L: Resistance value matches. |
| Power | 0.1W | 0.1W | 0.1W | 0.125W | 0.1W / 0.125W — Power rating matches.; HP02WAF4701TCE: Power rating matches.; RC0402FR-7W4K7L: Slightly higher power rating provides more margin. |
| Application | AEC-Q200 | Anti-Sulfurated | - | - | Anti-Sulfurated — Offers enhanced reliability in sulfurous environments. |
| Tcr | ±100 ppm/°C | - | Not in specs | ±100 ppm/°C | Not in specs / ±100 ppm/°C — TCR missing from input data, but datasheet confirms a match of ±100ppm/°C.; RC0402FR-7W4K7L: Temperature coefficient matches. |
| Tolerance | ±1% | - | - | ±1% | ±1% — Tolerance matches. |
Application & sourcing insights
Questions & answers
Verified drop-in options for RK73H1ETTP4701F are limited in the current batch. Review candidates marked Strong match or Datasheet verified, and validate package, pinout, and electrical limits before committing a BOM change.