RC6432J302CS 3 kOhms 1W Chip Resistor 2512 Equivalent & Substitute Parts

Part Overview

The RC6432J302CS is a 3 kOhms ±5% 1W thick film chip resistor in 2512 (6432 metric) package manufactured by Samsung Electro-Mechanics. This component is classified as Active product status with moisture-resistant construction suitable for general industrial and commercial applications. Equivalent and substitute parts are identified based on matching electrical specifications (resistance value, tolerance, power rating, temperature coefficient) and mechanical compatibility (package type, physical dimensions, termination count). Alternative parts may be required due to inventory availability, supply chain optimization, or design upgrades to higher tolerance specifications.

Substiute Parts

RC6432J302CS

Samsung Electro-MechanicsIn Stock: 832RC6432J302CS Datasheet

Current PartRFQ

RC2512JK-073KL

YAGEOIn Stock: 5413RC2512JK-073KL Datasheet

DirectRFQ

RC2512FK-073KL

YAGEOIn Stock: 13372RC2512FK-073KL Datasheet

UpgradeRFQ

ERJ-1TNF3001U

Panasonic Electronic ComponentsIn Stock: 8699ERJ-1TNF3001U Datasheet

SimilarRFQ

RMCF2512FT3K00

Stackpole Electronics IncIn Stock: 43842RMCF2512FT3K00 Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution logic for the RC6432J302CS is based on the following criteria:

Direct Equivalents match all critical electrical parameters: 3 kOhms resistance, ±5% tolerance, 1W power rating, thick film composition, ±100ppm/°C temperature coefficient, and -55°C to 155°C operating range. Physical dimensions and package type (2512/6432 metric) must be identical or within acceptable PCB footprint tolerances.

Upgrade Substitutes maintain identical resistance, power rating, package, and operating temperature range but feature improved tolerance (±1% instead of ±5%). These parts provide enhanced precision for applications requiring tighter component specifications while maintaining full mechanical and thermal compatibility.

Similar Substitutes match core electrical specifications (3 kOhms, 1W, 2512 package, ±100ppm/°C, -55°C to 155°C) but include additional certifications such as AEC-Q200 automotive qualification. These parts are suitable for applications requiring automotive-grade reliability or when sourcing from alternative manufacturers is necessary.

All substitute parts listed maintain ROHS3 compliance, MSL Level 1 rating, and 2-termination configuration identical to the main part.

Parameter Comparison

Engineering Selection Recommendations

RC2512JK-073KL (YAGEO Direct Equivalent) provides direct substitution with identical electrical and mechanical specifications. This part maintains ±5% tolerance matching the original RC6432J302CS and is classified as Active product status. Selection is appropriate for applications where tolerance specification and inventory availability are primary considerations. YAGEO RC2512JK-073KL offers 5400 units in stock.

RC2512FK-073KL (YAGEO Upgrade) is suitable when design requirements permit tolerance improvement to ±1%. This upgrade maintains all other specifications including 1W power rating, 2512 package, and -55°C to 155°C operating range. Active product status ensures long-term availability. This part is recommended for precision-critical applications where tighter component tolerance enhances circuit performance. YAGEO RC2512FK-073KL offers 13357 units in stock.

RMCF2512FT3K00 (Stackpole AEC-Q200) is selected for applications requiring automotive-grade reliability certification. This part maintains ±1% tolerance, 1W power rating, and 2512 package compatibility. Active product status and AEC-Q200 qualification make this part suitable for automotive and high-reliability industrial applications. Stackpole RMCF2512FT3K00 offers 43767 units in stock with highest availability.

ERJ-1TNF3001U (Panasonic AEC-Q200) provides AEC-Q200 automotive qualification with ±1% tolerance and identical electrical specifications. However, this part is classified as Not For New Designs, indicating discontinued or obsolete status. Selection should be limited to legacy system maintenance or when existing design documentation specifically requires this part number. Panasonic ERJ-1TNF3001U offers 8618 units in current inventory.

Frequently Asked Questions (FAQ)

Q: Can RC2512JK-073KL directly replace RC6432J302CS without circuit redesign?

A: Yes. RC2512JK-073KL is a direct equivalent with identical resistance (3 kOhms), tolerance (±5%), power rating (1W), package (2512), and operating temperature range (-55°C to 155°C). Physical dimensions are within acceptable PCB footprint tolerances. No circuit redesign is required.

Q: What is the difference between RC2512FK-073KL and RC2512JK-073KL?

A: Both parts are YAGEO 2512 package 3 kOhms 1W resistors. The primary difference is tolerance: RC2512JK-073KL is ±5% (matching the original RC6432J302CS), while RC2512FK-073KL is ±1% (improved precision). All other electrical and mechanical parameters are identical. RC2512FK-073KL is an upgrade option for applications requiring tighter tolerance specifications.

Q: Why is ERJ-1TNF3001U marked "Not For New Designs"?

A: ERJ-1TNF3001U is classified as Not For New Designs by Panasonic, indicating this part number is in obsolescence phase. While current inventory exists (8618 units), this designation means the manufacturer does not recommend this part for new product development. Use this part only for legacy system maintenance or when existing designs specifically require it.

Q: Are RMCF2512FT3K00 and RC6432J302CS mechanically compatible?

A: Yes. Both parts use the 2512 (6432 metric) package with identical termination count (2 terminals). Physical dimensions are within acceptable PCB footprint tolerances: RC6432J302CS is 6.30mm × 3.20mm, while RMCF2512FT3K00 is 6.30mm × 3.20mm. Height specifications are also compatible (0.66mm vs 0.70mm maximum seated height). Full mechanical compatibility is confirmed.

Q: Which substitute part offers the best long-term availability?

A: RMCF2512FT3K00 (Stackpole Electronics Inc) offers the highest current inventory (43767 units) and Active product status, indicating strong manufacturer commitment to continued production. This part is recommended when long-term supply chain stability is a critical selection criterion.

Q: Can I use a ±1% tolerance part (RC2512FK-073KL) in place of a ±5% tolerance part (RC6432J302CS)?

A: Yes. A ±1% tolerance part is a functional upgrade that provides tighter component specification. The ±1% part will perform all functions of the ±5% part with improved precision. This substitution is always acceptable from an electrical performance standpoint. No circuit redesign is required.

Q: What does AEC-Q200 certification mean for RMCF2512FT3K00 and ERJ-1TNF3001U?

A: AEC-Q200 is an automotive industry standard qualification for passive components. Parts bearing this certification have undergone rigorous testing for automotive applications including temperature cycling, humidity resistance, and reliability under automotive operating conditions. AEC-Q200 parts are suitable for automotive and high-reliability industrial applications where enhanced qualification is required.

Q: Are all substitute parts RoHS3 compliant?

A: Yes. All substitute parts listed (RC2512JK-073KL, RC2512FK-073KL, ERJ-1TNF3001U, RMCF2512FT3K00) are RoHS3 compliant and maintain MSL Level 1 (Unlimited) moisture sensitivity rating, matching the original RC6432J302CS specifications.