RG1005P-303-C-T10 Equivalent & Substitute Parts

Part Overview

The RG1005P-303-C-T10 is a 30 kOhms ±0.25% thin film chip resistor in 0402 (1005 Metric) package rated for 0.063W (1/16W) power dissipation. Manufactured by Susumu with automotive AEC-Q200 qualification and anti-sulfur coating, this component is designed for precision applications in harsh automotive environments with operating temperature range of -55°C to 155°C.

The RG1005P-303-C-T10 is classified as obsolete. Equivalent and substitute parts are available from multiple manufacturers with active product status, offering improved tolerance specifications and maintained electrical and mechanical compatibility.

Key Parameters

Parameter	Value
Resistance	30 kOhms
Tolerance	±0.25%
Power Rating	0.063W (1/16W)
Package / Case	0402 (1005 Metric)
Composition	Thin Film
Temperature Coefficient	±25ppm/°C
Operating Temperature Range	-55°C ~ 155°C
Features	Anti-Sulfur, Automotive AEC-Q200
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution of the RG1005P-303-C-T10 is determined by the following critical parameters:

Electrical Parameters:

Resistance value: 30 kOhms (exact match required)
Power rating: 0.063W minimum (1/16W or higher acceptable)
Operating temperature range: -55°C to 155°C minimum
Tolerance: ±0.25% or better (lower tolerance values are acceptable upgrades)
Temperature coefficient: ±25ppm/°C or better

Mechanical Parameters:

Package: 0402 (1005 Metric) form factor (exact match required)
Physical dimensions: 0.039" L x 0.020" W (1.00mm x 0.50mm)
Height seated maximum: 0.016" (0.40mm) or less

Compliance & Environmental:

RoHS3 compliance (required)
Moisture Sensitivity Level 1 (required)
Automotive AEC-Q200 certification (preferred for automotive applications)

Substitute parts are grouped into two categories:

Upgrade Substitutes (Susumu Series): Parts with improved tolerance (±0.1% or ±0.05%) while maintaining identical mechanical compatibility and automotive qualification. These include RG1005N-303-B-T5, RG1005N-303-W-T1, RG1005P-303-B-T5, and RG1005P-303-W-T5.

Direct & Cross-Manufacturer Substitutes: Parts from alternative manufacturers (YAGEO, TE Connectivity, Panasonic, Vishay, Stackpole) meeting identical electrical and mechanical specifications with active product status.

Parameter Comparison

Part Number	Manufacturer	Resistance	Tolerance	Power (W)	Temp Coeff (ppm/°C)	Op Temp Range	Package	AEC-Q200	Product Status
RG1005P-303-C-T10	Susumu	30 kΩ	±0.25%	0.063	±25	-55 ~ 155°C	0402	Yes	Obsolete
RG1005N-303-B-T5	Susumu	30 kΩ	±0.1%	0.063	±10	-55 ~ 155°C	0402	Yes	Active
RG1005N-303-W-T1	Susumu	30 kΩ	±0.05%	0.063	±10	-55 ~ 155°C	0402	Yes	Active
RG1005P-303-B-T5	Susumu	30 kΩ	±0.1%	0.063	±25	-55 ~ 155°C	0402	Yes	Active
RG1005P-303-W-T5	Susumu	30 kΩ	±0.05%	0.063	±25	-55 ~ 155°C	0402	Yes	Active
RT0402BRD0730KL	YAGEO	30 kΩ	±0.1%	0.063	±25	-55 ~ 155°C	0402	No	Active
RT0402CRD0730KL	YAGEO	30 kΩ	±0.25%	0.063	±25	-55 ~ 155°C	0402	No	Active
CPF0402B30KE1	TE Connectivity	30 kΩ	±0.1%	0.063	±25	-55 ~ 155°C	0402	No	Active
ERA-2AEB303X	Panasonic	30 kΩ	±0.1%	0.063	±25	-55 ~ 155°C	0402	Yes	Active
MCS04020D3002BE100	Vishay	30 kΩ	±0.1%	0.063	±25	-55 ~ 125°C	0402	No	Active
RNCF0402BKE30K0	Stackpole	30 kΩ	±0.1%	0.1	±25	-55 ~ 155°C	0402	Yes	Active

Engineering Selection Recommendations

For Automotive Applications with AEC-Q200 Requirement:

Select from parts maintaining automotive AEC-Q200 certification: RG1005N-303-B-T5, RG1005N-303-W-T1, RG1005P-303-B-T5, RG1005P-303-W-T5 (Susumu), ERA-2AEB303X (Panasonic), or RNCF0402BKE30K0 (Stackpole). These parts satisfy the original specification's automotive qualification requirement.

For Tolerance Upgrade with Same Manufacturer:

RG1005P-303-B-T5 provides ±0.1% tolerance (improved from ±0.25%) while maintaining identical temperature coefficient (±25ppm/°C) and full automotive AEC-Q200 qualification. This part offers the most direct upgrade path with 115,996 units in stock.

For Maximum Tolerance Precision:

RG1005N-303-W-T1 and RG1005P-303-W-T5 both offer ±0.05% tolerance. RG1005N-303-W-T1 includes improved temperature coefficient (±10ppm/°C) compared to the original ±25ppm/°C specification.

For Cross-Manufacturer Substitution:

RT0402BRD0730KL (YAGEO) and CPF0402B30KE1 (TE Connectivity) provide ±0.1% tolerance with identical electrical parameters. ERA-2AEB303X (Panasonic) offers the same specifications with AEC-Q200 automotive qualification and highest inventory availability (282,131 units).

For Higher Power Dissipation Requirement:

RNCF0402BKE30K0 (Stackpole) provides 0.1W (1/10W) power rating, exceeding the original 0.063W specification while maintaining all other electrical parameters and AEC-Q200 certification.

Operating Temperature Consideration:

MCS04020D3002BE100 (Vishay) operates to 125°C maximum, which is below the original specification of 155°C. This part is suitable only for applications not requiring the full upper temperature range.

Frequently Asked Questions (FAQ)

Q: Can I substitute RG1005P-303-C-T10 with a part having better tolerance?

A: Yes. Parts with ±0.1% or ±0.05% tolerance are direct substitutes meeting or exceeding the original ±0.25% specification. Improved tolerance provides tighter resistance value control without affecting mechanical or thermal compatibility.

Q: What is the difference between RG1005N and RG1005P series?

A: Both series are 0402 package thin film resistors with identical mechanical dimensions. The primary difference is temperature coefficient: RG1005N series offers ±10ppm/°C while RG1005P series offers ±25ppm/°C. Both are compatible substitutes for the original part.

Q: Is AEC-Q200 certification required for my application?

A: AEC-Q200 certification is mandatory for automotive applications subject to automotive industry standards. For non-automotive applications, parts without this certification (YAGEO RT series, TE Connectivity CPF series) are electrically and mechanically compatible. Verify your application requirements before selection.

Q: Can I use RNCF0402BKE30K0 as a direct replacement?

A: RNCF0402BKE30K0 is mechanically and electrically compatible with identical resistance, tolerance, and temperature range. The higher power rating (0.1W vs. 0.063W) does not prevent substitution and provides additional thermal margin. Verify PCB layout accommodates the component height (0.014" maximum vs. 0.016" original).

Q: What is the inventory status of substitute parts?

A: RG1005P-303-B-T5 (Susumu) has 115,996 units in stock. ERA-2AEB303X (Panasonic) has 282,131 units in stock. RT0402BRD0730KL (YAGEO) has 15,762 units in stock. Other substitutes have lower inventory levels ranging from 115 to 18,932 units. Verify current availability with your supplier.

Q: Are all substitute parts RoHS3 compliant?

A: Yes. All listed substitute parts are ROHS3 compliant with Moisture Sensitivity Level 1 (Unlimited), matching the original part's environmental compliance status.

Q: What is the maximum height difference between substitute parts?

A: Original part maximum height is 0.016" (0.40mm). YAGEO RT series and Stackpole RNCF series have 0.014" (0.35mm) maximum height. TE Connectivity CPF series has 0.014" (0.35mm) maximum height. Vishay MCS series has 0.015" (0.37mm) maximum height. All are within acceptable PCB assembly tolerances for 0402 package components.

Q: Can I mix different substitute part manufacturers in the same design?

A: Yes. All listed substitutes meet identical electrical specifications (30 kOhms, ±0.1% or better tolerance, 0.063W minimum power, -55°C to 155°C operating range, 0402 package). Mechanical compatibility is confirmed across all manufacturers. Verify your procurement and quality assurance procedures support multi-source component selection.

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