FRC0402F51R0TS
FOJAN
Needs validationlow risk
An upgrade path from the same manufacturer with much better tolerance and TCR.
Best Alternatives to FRC0402J510 TS
FRC0402J510 TS is a general-purpose 51Ω 5% 1/16W resistor in a standard 0402 package. A wide range of alternatives are available, including direct pin-compatible replacements and high-precision upgrades.
AI replacement insight
Electrical risklow
For 51Ω parts, risk is low. For 49.9Ω parts, resistance difference is the main concern.
Package risklow
All suggested alternatives use the same 0402 package, ensuring physical compatibility.
Sourcing risklow
This is a common resistor value with many suppliers, reducing sourcing risk.
Can it be replaced directly?
Direct replacement for FRC0402J510 TS should use only Datasheet verified or Strong match candidates; many approved options still require engineering review.
Best replacement path
For a direct upgrade, use FRC0402F51R0TS from the same manufacturer for better precision. For a like-for-like replacement, WR04X510JTL is a strong candidate.
Main risk
The main risk involves using alternatives with a 49.9Ω resistance value. This small difference must be verified against the circuit's sensitivity.
Recommended alternatives
6Alternative comparison matrix
| Feature / factor | FRC0402J510 TS | FRC0402F51R0TS | 0402WGJ0510TCE | WR04X510JTL | Compatibility / risk |
|---|---|---|---|---|---|
| Package | 0402 | 0402 | 0402 | 0402 | 0402 — Matches target package size.; 0402WGJ0510TCE: Matches target package size.; WR04X510JTL: Matches target package size.; RTT0249R9FTH: Matches target package size. |
| Resistance | 51.0 Ω | 51.0 Ω | 51.0 Ω | 51.0 Ω | 51.0 Ω / 49.9 Ω — Identical nominal resistance.; 0402WGJ0510TCE: Identical nominal resistance.; WR04X510JTL: Identical nominal resistance.; RTT0249R9FTH: Slightly lower resistance (~2.2% diff). |
| Tolerance | 5.0 % | 1.0 % | 5.0 % | 5.0 % | 1.0 % / 5.0 % — Tighter tolerance provides higher precision.; 0402WGJ0510TCE: Matches target tolerance.; WR04X510JTL: Matches target tolerance.; RTT0249R9FTH: Tighter tolerance is an upgrade. |
| Tcr | ±400 ppm/°C | ±100 ppm/°C | ±200 ppm/°C | ±200 ppm/°C | ±100 ppm/°C / ±200 ppm/°C — Significantly better temperature stability.; 0402WGJ0510TCE: Candidate has better temperature stability.; WR04X510JTL: Candidate has better temperature stability.; RTT0249R9FTH: Significantly better temperature stability. |
| Power | 1/16W | - | - | 1/16W | 1/16W — Matches target power rating. |
Application & sourcing insights
Questions & answers
Verified drop-in options for FRC0402J510 TS 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.