Is there a pin-compatible replacement for RK73H2ATTD4701F?

Yes, AC0805FR-7W4K7L from Yageo is a pin-compatible replacement. It matches the 0805 package, 2-pin layout, and all critical electrical specifications of the KOA Speer part.

What risks should I check before replacing RK73H2ATTD4701F?

Before replacing, verify that the substitute's power rating, tolerance, and temperature coefficient meet your design's minimum requirements. Also, confirm it has the necessary qualifications, like AEC-Q200 for automotive use.

RK73H2ATTD4701F Alternatives, Datasheet & Cross Reference | KOA Speer Electronics, Inc.

RK73H2ATTD4701F is a popular 4.7kΩ, 1%, 0.25W thick film resistor in an 0805 package, qualified to AEC-Q200 for automotive use. Several pin-compatible and upgrade options are available from major manufacturers.

AI replacement insight

Electrical risklow

Key parameters match on recommended alternatives.

Package risklow

0805 is a standard SMT package.

Sourcing risklow

Multiple vendors produce similar AEC-Q200 qualified resistors.

Can it be replaced directly?

Yes, Yageo's AC0805FR-7W4K7L is a direct pin-to-pin replacement for the RK73H2ATTD4701F, matching all key electrical and mechanical specifications.

Best replacement path

For a direct replacement, consider Yageo AC0805FR-7W4K7L. For an upgrade with higher power handling, Vishay CRCW08054K70FKEAHP is an excellent choice.

Main risk

The main risk when substituting is ensuring the replacement meets any unstated application requirements, such as pulse withstanding capability or specific manufacturer qualifications.

Recommended alternatives

A pin-compatible alternative from Yageo, matching all key specifications including package, power, resistance, and AEC-Q200 qualification.

View details

Alternative comparison matrix

Feature / factor	RK73H2ATTD4701F	AC0805FR-7W4K7L	CRCW08054K70FKEAHP	Compatibility / risk
Package	0805 (2012 Metric)	0805 (2012 Metric)	0805	0805 (2012 Metric) — Same standard package.; CRCW08054K70FKEAHP: Same standard package.
Resistance	4.7 kΩ	4.7 kΩ	4.7 kΩ	4.7 kΩ — Resistance value matches.; CRCW08054K70FKEAHP: Resistance value matches.
Tolerance	±1%	±1%	±1%	±1% — Tolerance matches.; CRCW08054K70FKEAHP: Tolerance matches.
Power	0.25 W	0.25 W	0.5 W	0.25 W / 0.5 W — Power rating matches.; CRCW08054K70FKEAHP: Higher power rating provides more design margin.
Tcr	±100 ppm/°C	±100 ppm/°C	±100 ppm/K	±100 ppm/°C / ±100 ppm/K — Temperature coefficient matches.; CRCW08054K70FKEAHP: Temperature coefficient matches.
Application	AEC-Q200	AEC-Q200	AEC-Q200	AEC-Q200 — Both parts are AEC-Q200 qualified.; CRCW08054K70FKEAHP: Both parts are AEC-Q200 qualified.

Application & sourcing insights

Questions & answers

The best alternative depends on your needs. Yageo AC0805FR-7W4K7L is a direct pin-compatible match. For higher power handling, Vishay CRCW08054K70FKEAHP is a superior upgrade with a 0.5W rating.