Equivalent & Substitute Parts for RC1005J302CS

Part Overview

The RC1005J302CS is a 3 kOhms ±5% thick film chip resistor manufactured by Samsung Electro-Mechanics in 0402 (1005 Metric) package format. This component is rated at 0.063W (1/16W) power dissipation with moisture-resistant characteristics and operates across the temperature range of -55°C to 155°C. The part maintains Active product status and is RoHS3 compliant with MSL Level 1 (Unlimited moisture sensitivity).

Equivalent and substitute parts are identified based on matching or enhanced electrical specifications, identical mechanical packaging, and compatible operating parameters. Substitutes are categorized by tolerance grade and power rating improvements where applicable.

Substiute Parts

RC1005J302CS

Samsung Electro-MechanicsIn Stock: 1186RC1005J302CS Datasheet

Current PartRFQ

RC0402JR-073KL

YAGEOIn Stock: 11367RC0402JR-073KL Datasheet

DirectRFQ

CRG0402F3K0

TE Connectivity Passive ProductIn Stock: 29891CRG0402F3K0 Datasheet

UpgradeRFQ

ERJ-2RKF3001X

Panasonic Electronic ComponentsIn Stock: 289352ERJ-2RKF3001X Datasheet

UpgradeRFQ

RC0402FR-073KL

YAGEOIn Stock: 500149RC0402FR-073KL Datasheet

UpgradeRFQ

RMCF0402FT3K00

Stackpole Electronics IncIn Stock: 116537RMCF0402FT3K00 Datasheet

UpgradeRFQ

AC0402JR-073KL

YAGEOIn Stock: 20355AC0402JR-073KL Datasheet

SimilarRFQ

RMCF0402JT3K00

Stackpole Electronics IncIn Stock: 66546RMCF0402JT3K00 Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution logic for the RC1005J302CS is determined by the following critical parameters:

Primary Substitution Criteria:

• Resistance value: 3 kOhms (exact match required)
• Package format: 0402 (1005 Metric) (exact match required)
• Composition: Thick Film (exact match required)
• Temperature Coefficient: ±100ppm/°C (exact match required)
• Operating Temperature Range: -55°C ~ 155°C (exact match required)
• RoHS3 Compliance (required)
• MSL Level 1 (required)

Secondary Substitution Parameters (Enhancement Allowed):

• Tolerance: ±5% (baseline); ±1% tolerance represents an upgrade
• Power Rating: 0.063W (baseline); 0.1W represents an upgrade
• Features: Moisture Resistant (baseline); Automotive AEC-Q200 certification represents an upgrade

Substitute parts are grouped into three categories:

Direct Equivalent: Identical electrical and mechanical specifications to RC1005J302CS.

Upgrade Substitutes: Enhanced tolerance (±1% vs ±5%) and/or higher power rating (0.1W vs 0.063W) while maintaining all other critical parameters.

Similar Substitutes: Matching core specifications with additional certifications (Automotive AEC-Q200) that do not compromise baseline functionality.

Parameter Comparison

Engineering Selection Recommendations

Direct Equivalent Selection:

RC0402JR-073KL (YAGEO) is the direct functional equivalent to RC1005J302CS. Both parts share identical electrical specifications (3 kOhms ±5%, 0.063W), mechanical packaging (0402), and moisture-resistant characteristics. Selection of this part maintains specification parity with the original component.

Upgrade Substitute Selection:

Upgrade substitutes are applicable when circuit design permits enhanced tolerance or power rating specifications:

• RC0402FR-073KL (YAGEO): Provides ±1% tolerance upgrade while maintaining 0.063W power rating and moisture-resistant features. Suitable for applications requiring tighter resistance tolerance.

• CRG0402F3K0 (TE Connectivity Passive Product): Offers ±1% tolerance with 0.063W power rating. Applicable where tolerance improvement is the primary requirement.

• RMCF0402FT3K00 (Stackpole Electronics Inc): Combines ±1% tolerance with Automotive AEC-Q200 certification. Suitable for automotive-grade applications requiring enhanced reliability.

• ERJ-2RKF3001X (Panasonic Electronic Components): Provides both ±1% tolerance and 0.1W power rating upgrade with Automotive AEC-Q200 certification. Applicable for applications requiring maximum power dissipation margin and automotive qualification.

Similar Substitute Selection:

Similar substitutes maintain baseline specifications with additional certifications:

• AC0402JR-073KL (YAGEO): Matches RC1005J302CS specifications (3 kOhms ±5%, 0.063W, moisture resistant) with added Automotive AEC-Q200 certification. Suitable for automotive applications without requiring tolerance or power upgrades.

• RMCF0402JT3K00 (Stackpole Electronics Inc): Matches RC1005J302CS specifications (3 kOhms ±5%, 0.063W) with Automotive AEC-Q200 certification. Applicable for automotive-grade designs maintaining original tolerance and power specifications.

All substitute parts maintain Active product status, RoHS3 compliance, and MSL Level 1 rating.

Frequently Asked Questions (FAQ)

Q: Can RC0402JR-073KL be used as a direct replacement for RC1005J302CS?

A: Yes. RC0402JR-073KL is a direct equivalent. Both parts specify 3 kOhms ±5%, 0.063W power rating, 0402 package, ±100ppm/°C temperature coefficient, -55°C to 155°C operating range, moisture-resistant composition, RoHS3 compliance, and MSL Level 1. No circuit redesign is required.

Q: What is the difference between direct equivalent and upgrade substitutes?

A: Direct equivalents match all electrical and mechanical specifications of the original part. Upgrade substitutes enhance one or more parameters—typically tolerance (±1% vs ±5%) or power rating (0.1W vs 0.063W)—while maintaining all other critical specifications. Upgrade substitutes are backward-compatible but provide improved performance margins.

Q: Can I use a ±1% tolerance part (RC0402FR-073KL) in place of a ±5% tolerance part (RC1005J302CS)?

A: Yes. A ±1% tolerance part is a functional upgrade and can replace a ±5% tolerance part. The tighter tolerance provides improved circuit accuracy. No circuit modification is required.

Q: What is the significance of Automotive AEC-Q200 certification?

A: Automotive AEC-Q200 certification indicates the part meets automotive industry reliability and qualification standards. Parts with this certification (ERJ-2RKF3001X, RMCF0402FT3K00, AC0402JR-073KL, RMCF0402JT3K00) are suitable for automotive applications. Non-automotive-certified parts remain suitable for general industrial and consumer applications.

Q: Does the 0402 package dimension differ between manufacturers?

A: No. The 0402 (1005 Metric) package is a standardized format. All listed parts share identical dimensions: 0.039" L × 0.020" W (1.00mm × 0.50mm) with maximum seated height of 0.016" (0.40mm), except AC0402JR-073KL which specifies 0.015" (0.37mm) maximum seated height. This minor height variation does not affect PCB assembly compatibility.

Q: Are all substitute parts RoHS3 compliant?

A: Yes. All listed substitute parts are RoHS3 compliant and maintain MSL Level 1 (Unlimited) moisture sensitivity rating, matching the original RC1005J302CS specification.

Q: What packaging formats are available for these substitutes?

A: RC1005J302CS is supplied in Tape & Reel (TR) format. Direct equivalent RC0402JR-073KL is available in Cut Tape (CT) & Digi-Reel® format. Upgrade and similar substitutes are available in Tape & Reel (TR) format. Packaging format selection depends on assembly process requirements and volume specifications.

Q: Can I substitute a 0.1W rated part (ERJ-2RKF3001X) for a 0.063W rated part (RC1005J302CS)?

A: Yes. A higher power rating part is a functional upgrade and can replace a lower power rating part. The increased power dissipation capability provides additional thermal margin. No circuit modification is required.