RC6432J183CS Equivalent & Substitute Parts Reference

Part Overview

The RC6432J183CS is an 18 kOhms ±5% 1W chip resistor manufactured by Samsung Electro-Mechanics in the 2512 (6432 Metric) package format. This thick film, moisture-resistant component operates across the temperature range of -55°C to 155°C and maintains ROHS3 compliance with MSL Level 1 rating. The part is currently in active production status with 1061 units available in inventory.

Substitute parts are identified when equivalent electrical performance and mechanical compatibility can be maintained within the specified parameter tolerances. Alternative sources provide design flexibility, supply chain redundancy, and access to upgraded performance specifications where applicable.

Substiute Parts

RC6432J183CS

Samsung Electro-MechanicsIn Stock: 1118RC6432J183CS Datasheet

Current PartRFQ

RC2512JK-0718KL

YAGEOIn Stock: 5349RC2512JK-0718KL Datasheet

DirectRFQ

RC2512FK-0718KL

YAGEOIn Stock: 5466RC2512FK-0718KL Datasheet

UpgradeRFQ

CRCW251218K0FKEGHP

Vishay DaleIn Stock: 4880CRCW251218K0FKEGHP Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility is determined by strict alignment with the following electrical and mechanical parameters:

Mandatory Matching Criteria:

• Resistance value: 18 kOhms (exact match required)
• Package format: 2512 (6432 Metric) (exact match required)
• Composition: Thick Film (exact match required)
• RoHS compliance: ROHS3 (exact match required)
• Operating temperature range: -55°C to 155°C (must encompass or equal)
• Moisture Sensitivity Level: MSL 1 or better (must equal or improve)

Allowable Variance Parameters:

• Tolerance: ±5% or better (±1% represents an upgrade)
• Power rating: 1W or higher (1.5W represents an upgrade)
• Temperature coefficient: ±100ppm/°C or better

Substitute Classification:

Direct Equivalent: RC2512JK-0718KL (YAGEO) — Identical electrical specifications and mechanical dimensions with equivalent tolerance and power rating.

Upgrade Specification: RC2512FK-0718KL (YAGEO) — Enhanced tolerance (±1% vs ±5%) while maintaining all other parameters.

Enhanced Performance: CRCW251218K0FKEGHP (Vishay Dale) — Increased power rating (1.5W vs 1W), improved tolerance (±1%), and automotive-grade qualification (AEC-Q200).

Parameter Comparison

Engineering Selection Recommendations

RC2512JK-0718KL (YAGEO Direct Equivalent): Select this substitute when direct specification matching is required and supply continuity from the primary source is unavailable. This part maintains identical electrical and mechanical parameters to the RC6432J183CS. All compliance certifications (ROHS3, REACH Unaffected, EAR99) are equivalent. Tape & Reel packaging provides advantages for automated assembly processes compared to bulk packaging.

RC2512FK-0718KL (YAGEO Upgrade): Select this substitute when improved tolerance performance (±1% vs ±5%) is beneficial to circuit design without requiring additional design modifications. The enhanced tolerance specification does not compromise any other electrical or mechanical parameters. This part is suitable for applications where tighter resistance value control improves overall system performance. All compliance certifications remain equivalent to the primary part.

CRCW251218K0FKEGHP (Vishay Dale Enhanced Performance): Select this substitute for applications requiring increased power dissipation capability (1.5W vs 1W) or automotive-grade reliability qualification (AEC-Q200). The enhanced power rating provides additional thermal margin in high-power applications. The ±1% tolerance offers improved precision. This part is suitable for automotive and industrial applications where AEC-Q200 qualification is specified or preferred. All compliance certifications remain equivalent to the primary part.

Frequently Asked Questions (FAQ)

Q: Can RC2512JK-0718KL replace RC6432J183CS in all applications?

A: Yes. RC2512JK-0718KL is a direct equivalent with identical resistance value (18 kOhms), tolerance (±5%), power rating (1W), package format (2512), composition (thick film), temperature range (-55°C to 155°C), and compliance status (ROHS3, MSL 1). The only difference is the manufacturer (YAGEO vs Samsung Electro-Mechanics) and packaging format (Tape & Reel vs bulk). Electrical and mechanical performance are equivalent.

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

A: RC2512JK-0718KL maintains identical specifications to the original part. RC2512FK-0718KL improves tolerance from ±5% to ±1% while keeping all other parameters the same. CRCW251218K0FKEGHP increases power rating from 1W to 1.5W and tolerance to ±1%, with additional AEC-Q200 automotive qualification. Select based on whether improved tolerance or power rating is required for your application.

Q: Are all substitute parts available in the same packaging format?

A: No. The original RC6432J183CS is supplied in bulk packaging. All three substitute parts are supplied in Tape & Reel (TR) format, which is standard for automated assembly. If bulk packaging is required, confirm availability with the supplier before design implementation.

Q: Do the substitute parts meet the same compliance requirements?

A: Yes. All substitute parts are ROHS3 compliant, REACH Unaffected, and classified as EAR99. Moisture Sensitivity Level is MSL 1 (Unlimited) for all parts. All parts share the same HTSUS classification (8533.21.0030). Compliance status is equivalent across all options.

Q: What are the physical dimension differences between parts?

A: All parts use the 2512 (6432 Metric) package with minor dimensional variations within standard tolerances. RC6432J183CS: 0.248" L × 0.126" W (6.30mm × 3.20mm), height 0.026" (0.66mm). RC2512JK-0718KL: 0.250" L × 0.122" W (6.35mm × 3.10mm), height 0.026" (0.65mm). CRCW251218K0FKEGHP: 0.248" L × 0.124" W (6.30mm × 3.15mm), height 0.028" (0.70mm). These variations are within standard PCB footprint tolerances for 2512 package format.

Q: Which substitute should I select for new designs?

A: For new designs without specific automotive requirements, RC2512FK-0718KL (YAGEO upgrade) provides improved tolerance (±1%) at equivalent cost and availability. For automotive or high-reliability applications, CRCW251218K0FKEGHP (Vishay Dale) offers AEC-Q200 qualification and increased power margin. For cost-sensitive applications requiring exact specification matching, RC2512JK-0718KL (YAGEO direct equivalent) is appropriate.

Q: Is the temperature coefficient specification identical across all parts?

A: Yes. All parts, including the original RC6432J183CS and all three substitutes, specify ±100ppm/°C temperature coefficient. This parameter is held constant across all options and does not differentiate the substitution choices.