RC2012J434CS 430kΩ 0805 Chip Resistor Equivalent & Substitute Parts

Part Overview

The RC2012J434CS is a 430 kΩ ±5% 0.125W thick film chip resistor in 0805 (2012 metric) package manufactured by Samsung Electro-Mechanics. This component is classified as Active product status with RoHS3 compliance and unlimited moisture sensitivity level (MSL 1). The part is designed for general-purpose applications requiring moisture-resistant thick film construction across an operating temperature range of -55°C to 155°C. Equivalent and substitute parts are identified to provide design flexibility, inventory alternatives, and performance upgrades where application requirements permit.

Substiute Parts

RC2012J434CS

Samsung Electro-MechanicsIn Stock: 727RC2012J434CS Datasheet

Current PartRFQ

RC0805JR-07430KL

YAGEOIn Stock: 8813RC0805JR-07430KL Datasheet

DirectRFQ

RC0805FR-07430KL

YAGEOIn Stock: 41397RC0805FR-07430KL Datasheet

UpgradeRFQ

CRCW0805430KFKEA

Vishay DaleIn Stock: 23984CRCW0805430KFKEA Datasheet

SimilarRFQ

ERJ-6ENF4303V

Panasonic Electronic ComponentsIn Stock: 52808ERJ-6ENF4303V Datasheet

SimilarRFQ

RMCF0805FT430K

Stackpole Electronics IncIn Stock: 11851RMCF0805FT430K Datasheet

SimilarRFQ

RPC0805JT430K

Stackpole Electronics IncIn Stock: 4858RPC0805JT430K Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the RC2012J434CS are categorized based on strict electrical and mechanical parameter compatibility:

Direct Equivalent (Same Electrical Specifications): Parts maintaining identical resistance (430 kΩ), tolerance (±5%), power rating (0.125W), package (0805), and temperature coefficient (±100ppm/°C) are classified as direct equivalents. These parts are interchangeable without circuit redesign.

Upgrade Parts (Enhanced Tolerance): Parts with tighter tolerance (±1% instead of ±5%) while maintaining all other parameters represent performance upgrades. These provide improved accuracy for precision applications.

Similar Parts (Enhanced Features or Power Rating): Parts with automotive AEC-Q200 qualification, enhanced power ratings (0.25W instead of 0.125W), or pulse withstanding capability are classified as similar. These may be substituted when application requirements support the enhanced specifications.

Critical Substitution Parameters:

• Resistance value: 430 kΩ (mandatory match)
• Package / Case: 0805 (2012 Metric) (mandatory match)
• Operating temperature range: -55°C to 155°C (mandatory match)
• Composition: Thick Film (mandatory match)
• RoHS3 compliance (mandatory match)

Parameter Comparison

Engineering Selection Recommendations

Direct Substitution (RC0805JR-07430KL): The YAGEO RC0805JR-07430KL maintains identical electrical specifications (430 kΩ ±5%, 0.125W) and operating parameters as the RC2012J434CS. Both parts are Active status with RoHS3 compliance and MSL 1 rating. This part is suitable for one-to-one replacement in existing designs without circuit modification.

Tolerance Upgrade (RC0805FR-07430KL, CRCW0805430KFKEA, ERJ-6ENF4303V, RMCF0805FT430K): These parts provide ±1% tolerance compared to the original ±5%, maintaining all other electrical and mechanical parameters. Selection among these upgrade options depends on application requirements for precision and compliance certifications. CRCW0805430KFKEA, ERJ-6ENF4303V, and RMCF0805FT430K include automotive AEC-Q200 qualification for applications requiring automotive-grade reliability.

Power Rating Upgrade (RPC0805JT430K): The Stackpole RPC0805JT430K provides doubled power rating (0.25W versus 0.125W) while maintaining ±5% tolerance and 430 kΩ resistance. This part includes automotive AEC-Q200 qualification and pulse withstanding capability. Selection is appropriate for applications requiring enhanced power dissipation capacity within the same package footprint.

Compliance Considerations: All substitute parts maintain RoHS3 compliance, MSL 1 rating, and -55°C to 155°C operating temperature range. Automotive AEC-Q200 qualified parts (CRCW0805430KFKEA, ERJ-6ENF4303V, RMCF0805FT430K, RPC0805JT430K) are suitable for automotive and high-reliability applications.

Frequently Asked Questions (FAQ)

Q: Can RC0805JR-07430KL be used as a direct replacement for RC2012J434CS?

A: Yes. The RC0805JR-07430KL is a direct equivalent with identical resistance (430 kΩ), tolerance (±5%), power rating (0.125W), package (0805), temperature coefficient (±100ppm/°C), and operating temperature range (-55°C to 155°C). Both parts are RoHS3 compliant with MSL 1 rating.

Q: What is the difference between the ±5% tolerance parts and ±1% tolerance parts?

A: The ±1% tolerance parts (RC0805FR-07430KL, CRCW0805430KFKEA, ERJ-6ENF4303V, RMCF0805FT430K) provide tighter resistance accuracy compared to ±5% parts. Selection depends on circuit requirements for precision. All other electrical and mechanical parameters remain identical.

Q: Are automotive AEC-Q200 qualified parts suitable for non-automotive applications?

A: Yes. Automotive AEC-Q200 qualification indicates enhanced reliability and quality standards. These parts (CRCW0805430KFKEA, ERJ-6ENF4303V, RMCF0805FT430K, RPC0805JT430K) are suitable for any application and provide additional assurance of component quality.

Q: What is the difference between RPC0805JT430K and other substitute parts?

A: The RPC0805JT430K provides doubled power rating (0.25W versus 0.125W) and includes pulse withstanding capability. All other parameters including resistance (430 kΩ), tolerance (±5%), package (0805), and operating temperature range (-55°C to 155°C) remain compatible. This part is selected when applications require higher power dissipation capacity.

Q: Do all substitute parts fit the same PCB footprint as RC2012J434CS?

A: Yes. All substitute parts use the 0805 (2012 metric) package with identical footprint dimensions (0.079" L × 0.049" W / 2.00mm × 1.25mm). Height variations (0.50mm to 0.70mm maximum seated height) are within standard PCB assembly tolerances and do not affect footprint compatibility.

Q: Which substitute part should be selected for maximum inventory availability?

A: Inventory levels vary by supplier and time. Refer to current stock information from authorized distributors. YAGEO RC0805JR-07430KL and RC0805FR-07430KL, Panasonic ERJ-6ENF4303V, and Vishay CRCW0805430KFKEA typically maintain high inventory levels across multiple distribution channels.

Q: Are all substitute parts RoHS3 compliant?

A: Yes. All listed substitute parts maintain RoHS3 compliance and MSL 1 (unlimited) moisture sensitivity level, matching the compliance profile of the RC2012J434CS.