FRC2512J4R7 TS
FOJAN
Needs validationmedium risk
FOJAN FRC2512J4R7 TS matches value and size but needs voltage and pulse review.
Best Alternatives to 25121WJ047JT4E
25121WJ047JT4E is a 4.7Ω ±5% 1W 2512 thick-film resistor. Alternatives should match size, value, and stress ratings before approval.
AI replacement insight
Electrical riskmedium
power and voltage margins need check
Package risklow
kept parts show 2512 and 2 pins
Firmware risklow
passive resistor only
Sourcing risklow
kept parts are indexed
Can it be replaced directly?
No verified drop-in replacement is confirmed from the pending PDF evidence.
Best replacement path
Start with FRC2512J4R7 TS, then verify overload, pulse, and derating limits.
Main risk
Stress ratings and pulse behavior may differ even when value and package match.
Recommended alternatives
2Alternative comparison matrix
| Feature / factor | 25121WJ047JT4E | FRC2512J4R7 TS | 25121WF510KT4E | Alt 3 | Compatibility / risk |
|---|---|---|---|---|---|
| Package | 2512 | 2512 | - | 2512 — same EIA size | |
| Pinout | 2 pins | 2 pins | - | 2 pins — 2-terminal SMD | |
| Resistance | 4.7Ω | 4.7Ω | - | 5.1Ω — +8.5% nominal | |
| Tolerance | ±5% | ±5% | - | ±1% — tighter tolerance | |
| Voltage | 200V/500V ovl | 200V/400V ovl | - | 200V/400V ovl — overload lower | |
| Power | 1W | - | 1W | 1W — no 1.5x margin |
Application & sourcing insights
Questions & answers
FRC2512J4R7 TS is the closest catalog match by value, tolerance, power, and 2512 package, but it still needs FAE review.