RT0402DRD0730KL Equivalent & Substitute Parts

Part Overview

The RT0402DRD0730KL is a 30 kOhms ±0.5% thin film chip resistor in 0402 (1005 Metric) package manufactured by YAGEO. This component is rated for 0.063W (1/16W) power dissipation with operating temperature range of -55°C to 155°C. The part is ROHS3 compliant and carries MSL 1 (Unlimited) moisture sensitivity rating, indicating suitability for standard PCB assembly processes.

Equivalent and substitute parts are identified based on matching electrical specifications (resistance value, tolerance, power rating, temperature coefficient) and mechanical compatibility (package size, termination count, height). Alternative manufacturers provide functionally equivalent solutions with identical or improved tolerance grades.

Key Parameters

Parameter	Value
Resistance	30 kOhms
Tolerance	±0.5%
Power Rating	0.063W (1/16W)
Package	0402 (1005 Metric)
Composition	Thin Film
Temperature Coefficient	±25ppm/°C
Operating Temperature Range	-55°C to 155°C
RoHS Status	ROHS3 Compliant
MSL Rating	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution eligibility is determined by the following criteria:

Mandatory Matching Parameters:

Resistance value: 30 kOhms
Package: 0402 (1005 Metric)
Composition: Thin Film
Temperature Coefficient: ±25ppm/°C
Operating Temperature Range: -55°C to 155°C (minimum)
Power Rating: 0.063W (1/16W)
Termination Count: 2

Tolerance Substitution Logic:

Parts with ±0.5% tolerance are direct equivalents
Parts with ±0.1% tolerance are upgrades (tighter tolerance, backward compatible)

Compliance & Certification:

All substitute parts maintain ROHS3 compliance and MSL 1 rating
AEC-Q200 certification (where present) indicates automotive-grade qualification but does not restrict use in non-automotive applications
Anti-Sulfur feature (where present) provides enhanced environmental protection without affecting general compatibility

Parameter Comparison

Manufacturer Part Number	Manufacturer	Resistance	Tolerance	Power (W)	Temp Coeff (ppm/°C)	Op Temp Range (°C)	Height Max (mm)	Features	Inventory (Pcs)
RT0402DRD0730KL	YAGEO	30 kOhms	±0.5%	0.063	±25	-55 to 155	0.35	—	862
RT0402BRD0730KL	YAGEO	30 kOhms	±0.1%	0.063	±25	-55 to 155	0.35	—	15762
ERA-2AED303X	Panasonic Electronic Components	30 kOhms	±0.5%	0.063	±25	-55 to 155	0.40	Automotive AEC-Q200	11579
RG1005P-303-D-T10	Susumu	30 kOhms	±0.5%	0.063	±25	-55 to 155	0.40	Anti-Sulfur, Automotive AEC-Q200	910
RR0510P-303-D	Susumu	30 kOhms	±0.5%	0.063	±25	-55 to 125	0.40	—	108967
CPF0402B30KE1	TE Connectivity Passive Product	30 kOhms	±0.1%	0.063	±25	-55 to 155	0.35	—	18932
ERA-2AEB303X	Panasonic Electronic Components	30 kOhms	±0.1%	0.063	±25	-55 to 155	0.40	Automotive AEC-Q200	282131
RG1005P-303-B-T5	Susumu	30 kOhms	±0.1%	0.063	±25	-55 to 155	0.40	Anti-Sulfur, Automotive AEC-Q200	115996

Engineering Selection Recommendations

Direct Equivalents (±0.5% Tolerance):

ERA-2AED303X and RG1005P-303-D-T10 are functionally equivalent to RT0402DRD0730KL with identical electrical specifications. Both carry AEC-Q200 automotive qualification. Height difference (0.40mm vs 0.35mm) is within standard PCB assembly tolerances.
RR0510P-303-D is electrically equivalent with maximum operating temperature of 125°C (versus 155°C for the main part). Selection depends on application temperature requirements.

Upgraded Tolerance (±0.1% Tolerance):

RT0402BRD0730KL, CPF0402B30KE1, ERA-2AEB303X, and RG1005P-303-B-T5 provide tighter tolerance specifications (±0.1%) while maintaining all other electrical and mechanical parameters. These are backward-compatible upgrades suitable for applications requiring improved accuracy.
ERA-2AEB303X offers the highest inventory availability (282,131 pcs) among upgraded options with AEC-Q200 certification.

Compliance Considerations:

All parts maintain ROHS3 compliance and MSL 1 rating.
AEC-Q200 certified parts (ERA series, RG series) are qualified for automotive applications but are suitable for general industrial and consumer electronics use.
RG series parts include anti-sulfur protection, beneficial in corrosive environments.

Frequently Asked Questions (FAQ)

Q: Can I substitute RT0402BRD0730KL for RT0402DRD0730KL? A: Yes. RT0402BRD0730KL is a direct upgrade with ±0.1% tolerance versus ±0.5% on the original part. All electrical and mechanical parameters are compatible. Higher tolerance accuracy may improve circuit performance in precision applications.

Q: What is the difference between ERA-2AED303X and ERA-2AEB303X? A: Both are Panasonic 30 kOhms thin film resistors in 0402 package with AEC-Q200 certification. ERA-2AED303X has ±0.5% tolerance; ERA-2AEB303X has ±0.1% tolerance. Electrical performance and package dimensions are otherwise identical.

Q: Can I use RR0510P-303-D if my application operates above 125°C? A: No. RR0510P-303-D is rated to maximum 125°C operating temperature. For applications requiring -55°C to 155°C range, use RT0402DRD0730KL, RT0402BRD0730KL, ERA-2AED303X, ERA-2AEB303X, CPF0402B30KE1, or RG series parts.

Q: Does the 0.40mm height of Panasonic and Susumu parts affect PCB assembly? A: Height difference (0.40mm versus 0.35mm) is within standard PCB assembly process tolerances and does not affect reflow soldering or component placement. Verify with your assembly partner if height-constrained applications exist.

Q: Are AEC-Q200 certified parts suitable for non-automotive applications? A: Yes. AEC-Q200 certification indicates automotive-grade reliability and environmental testing. These parts are fully compatible with industrial, consumer, and general electronics applications.

Q: What does anti-sulfur protection mean on RG series parts? A: Anti-sulfur protection provides enhanced resistance to corrosion from hydrogen sulfide and other sulfur-containing compounds in harsh environments. This feature does not affect electrical performance or compatibility in standard applications.

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