RT0603FRE0724KL Equivalent & Substitute Parts

Part Overview

The RT0603FRE0724KL is a 24 kOhms ±1% thin film chip resistor in 0603 (1608 Metric) package rated for 0.1W power dissipation. Manufactured by YAGEO under the RT series, this component is actively produced and ROHS3 compliant with unlimited moisture sensitivity rating. Substitute parts are identified based on matching resistance value, package form factor, and power rating while accommodating variations in tolerance, temperature coefficient, and manufacturer-specific features.

Key Parameters

Parameter	Value
Resistance	24 kOhms
Tolerance	±1%
Power Rating	0.1W (1/10W)
Package / Case	0603 (1608 Metric)
Composition	Thin Film
Operating Temperature Range	-55°C ~ 155°C
Temperature Coefficient	±50ppm/°C
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution eligibility is determined by three mandatory criteria: (1) identical resistance value of 24 kOhms, (2) identical package form factor of 0603 (1608 Metric), and (3) identical power rating of 0.1W. All listed substitute parts meet these three core requirements. Secondary parameters including tolerance, temperature coefficient, and manufacturer-specific certifications (such as Automotive AEC-Q200) may vary and are documented in the comparison table below. Tolerance values tighter than ±1% represent upgrades in precision. Temperature coefficient values lower than ±50ppm/°C represent improvements in thermal stability. Automotive-rated variants include additional qualification features but maintain electrical compatibility with the base specification.

Parameter Comparison

Manufacturer Part Number	Manufacturer	Resistance	Tolerance	Power (Watts)	Temperature Coefficient	Operating Temperature	Features	Inventory (Pcs)
RT0603FRE0724KL	YAGEO	24 kOhms	±1%	0.1W	±50ppm/°C	-55°C ~ 155°C	—	3844
RT0603BRD0724KL	YAGEO	24 kOhms	±0.1%	0.1W	±25ppm/°C	-55°C ~ 155°C	—	7039
RT0603DRD0724KL	YAGEO	24 kOhms	±0.5%	0.1W	±25ppm/°C	-55°C ~ 155°C	—	13150
RT0603DRE0724KL	YAGEO	24 kOhms	±0.5%	0.1W	±50ppm/°C	-55°C ~ 155°C	—	8002
ERA-3APB243V	Panasonic Electronic Components	24 kOhms	±0.1%	0.1W	±15ppm/°C	-55°C ~ 155°C	Automotive AEC-Q200	2110
ERA-3ARB243V	Panasonic Electronic Components	24 kOhms	±0.1%	0.1W	±10ppm/°C	-55°C ~ 155°C	Automotive AEC-Q200	5195
ERA-3ARW243V	Panasonic Electronic Components	24 kOhms	±0.05%	0.1W	±10ppm/°C	-55°C ~ 155°C	Automotive AEC-Q200	15076
MCT06030C2402FP500	Vishay Beyschlag/Draloric/BC Components	24 kOhms	±1%	0.1W	±50ppm/°C	-55°C ~ 155°C	Anti-Sulfur	21066
RG1608P-243-B-T5	Susumu	24 kOhms	±0.1%	0.1W	±25ppm/°C	-55°C ~ 155°C	Anti-Sulfur, Automotive AEC-Q200	18766

Engineering Selection Recommendations

All listed substitute parts are active products with ROHS3 compliance and unlimited moisture sensitivity rating, matching the base RT0603FRE0724KL specification. Selection among substitutes depends on application-specific requirements:

YAGEO RT series variants (RT0603BRD0724KL, RT0603DRD0724KL, RT0603DRE0724KL) provide tighter tolerance and improved temperature coefficient performance while maintaining the same manufacturer ecosystem and supply chain continuity.

Panasonic ERA-3A series parts (ERA-3APB243V, ERA-3ARB243V, ERA-3ARW243V) include Automotive AEC-Q200 qualification, making them suitable for automotive and high-reliability applications. These variants offer superior temperature coefficient performance (±10ppm/°C to ±15ppm/°C) and progressively tighter tolerance specifications.

Vishay MCT06030C2402FP500 matches the original tolerance and temperature coefficient specifications while adding anti-sulfur protection, suitable for environments with corrosive exposure.

Susumu RG1608P-243-B-T5 combines anti-sulfur protection with Automotive AEC-Q200 qualification and ±0.1% tolerance, providing enhanced reliability for demanding applications.

Frequently Asked Questions (FAQ)

Q: Can I substitute RT0603FRE0724KL with any of these parts directly?

A: Yes. All listed parts share identical resistance value (24 kOhms), package form factor (0603), and power rating (0.1W). Direct substitution is electrically valid. Tolerance and temperature coefficient variations are secondary parameters that do not prevent functional compatibility.

Q: What is the difference between tolerance specifications?

A: Tolerance defines the acceptable resistance deviation from the nominal 24 kOhms value. The original part specifies ±1%, meaning actual resistance falls between 23.76 kOhms and 24.24 kOhms. Tighter tolerances (±0.5%, ±0.1%, ±0.05%) reduce this deviation range, improving circuit precision. Looser tolerances are not available in this substitute list.

Q: Why do some parts have lower temperature coefficients?

A: Temperature coefficient (ppm/°C) measures resistance change per degree Celsius. Lower values indicate greater thermal stability. The original ±50ppm/°C specification is matched by MCT06030C2402FP500 and RT0603DRE0724KL. Improved variants offer ±25ppm/°C or lower, reducing resistance drift across the -55°C to 155°C operating range.

Q: What does Automotive AEC-Q200 qualification mean?

A: AEC-Q200 is an automotive industry standard qualification for passive components. Parts bearing this rating (Panasonic ERA-3A series and Susumu RG1608P-243-B-T5) have undergone additional reliability testing and are approved for automotive applications. This qualification does not affect electrical compatibility with non-automotive applications.

Q: Are there physical dimension differences I should consider?

A: All parts conform to the 0603 (1608 Metric) package standard with maximum seated height of 0.022" (0.55mm), except RG1608P-243-B-T5 which specifies 0.020" (0.50mm). These minor variations are within standard PCB assembly tolerances and do not affect placement or soldering procedures.

Q: What is anti-sulfur protection?

A: Anti-sulfur treatment protects resistor terminations from corrosion caused by hydrogen sulfide exposure in industrial or marine environments. MCT06030C2402FP500 and RG1608P-243-B-T5 include this feature. It does not affect electrical performance in standard environments.

Q: Which substitute offers the best overall performance?

A: ERA-3ARW243V provides the tightest tolerance (±0.05%), lowest temperature coefficient (±10ppm/°C), Automotive AEC-Q200 qualification, and highest inventory availability (15076 pcs). Selection should align with specific application requirements rather than general performance metrics.

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