Is there a pin-compatible replacement for YC124-JR-0739RL?

Currently, no pin-for-pin replacement with identical 39Ω resistance has been confirmed. While other parts share the 0804 8-pin package, they have different electrical parameters and require engineering validation before use.

What risks should I check before replacing YC124-JR-0739RL?

The main risk is the change in resistance, which can alter circuit timing, voltage levels, or current paths. Also, check for minor package differences like concave vs. convex terminations to ensure manufacturing compatibility.

YC124-JR-0739RL Alternatives, Datasheet & Cross Reference | Yageo

Yageo's YC124-JR-0739RL is a popular 39Ω, 4-element resistor array in an 0804 package. While no direct replacements are confirmed, functional alternatives with different resistance values exist from the same manufacturer family.

AI replacement insight

Electrical riskhigh

Resistance value is a critical parameter; changes require circuit re-evaluation.

Package risklow

Alternatives exist in the same 0804 package, but termination style (convex/concave) may vary.

Sourcing risklow

The YC/TC series is widely available from Yageo.

Can it be replaced directly?

No direct, drop-in replacement for YC124-JR-0739RL has been verified. All candidates require engineering review due to parametric differences.

Best replacement path

Review functional alternatives from Yageo's YC/TC series after validating the impact of a different resistance value on the circuit.

Main risk

The primary risk is electrical mismatch, as all potential alternatives have different resistance values which will affect circuit behavior.

Recommended alternatives

Alternatives are being enriched. Analyze this part in PartGenie for the latest matches.

Alternative comparison matrix

Feature / factor	YC124-JR-0739RL	TC124-FR-0727R4L	TC124-FR-0760R4L	Compatibility / risk
Package	0804	0804	0804	0804 — Package size matches.; TC124-FR-0760R4L: Package size matches.
Pinout	8-pin, convex	8-pin, concave	8-pin, concave	8-pin, concave — Termination style differs, check layout.; TC124-FR-0760R4L: Termination style differs, check layout.
Resistance	39 Ω	27.4 Ω	60.4 Ω	27.4 Ω / 60.4 Ω — Resistance is lower, requires circuit validation.; TC124-FR-0760R4L: Resistance is higher, requires circuit validation.
Tolerance	±5%	±1%	±1%	±1% — Tighter tolerance is an upgrade.; TC124-FR-0760R4L: Tighter tolerance is an upgrade.
Power	0.0625 W	0.0625 W	0.0625 W	0.0625 W — Power per element matches.; TC124-FR-0760R4L: Power per element matches.

Application & sourcing insights

Questions & answers

The best alternatives are likely other parts from Yageo's YC/TC124 series, but they will have different resistance values. For example, TC124-FR-0727R4L (27.4Ω) or TC124-FR-0760R4L (60.4Ω) are options if your circuit can tolerate the change. Always verify with your design.