RMCS1206FT205K Equivalent & Substitute Parts

Part Overview

The RMCS1206FT205K is a 205 kOhms ±1% 0.25W chip resistor in 1206 (3216 Metric) package manufactured by Stackpole Electronics Inc. This thick film resistor features anti-sulfur construction and is currently in active product status with 1128 pieces available in stock. Substitute parts are necessary when the primary part becomes unavailable, when design requirements mandate specific certifications such as automotive qualification, or when alternative sourcing improves supply chain resilience.

Substiute Parts

RMCS1206FT205K

Stackpole Electronics IncIn Stock: 1236RMCS1206FT205K Datasheet

Current PartRFQ

ERJ-8ENF2053V

Panasonic Electronic ComponentsIn Stock: 61923ERJ-8ENF2053V Datasheet

MFR RecommendedRFQ

RC1206FR-07205KL

YAGEOIn Stock: 10638RC1206FR-07205KL Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the RMCS1206FT205K is determined by strict equivalence across the following parameters: resistance value (205 kOhms), tolerance (±1%), power rating (0.25W), package type (1206), composition (thick film), temperature coefficient (±100ppm/°C), operating temperature range (-55°C ~ 155°C), and compliance certifications (RoHS3, REACH Unaffected). All identified substitute parts meet these core electrical and mechanical requirements. Dimensional variations within standard manufacturing tolerances are acceptable. Substitute parts may include additional features such as automotive qualification (AEC-Q200) or moisture resistance, which do not preclude substitution but represent enhanced specifications.

Parameter Comparison

Engineering Selection Recommendations

For applications requiring active product status with ongoing manufacturer support, RMCS1206FT205K (Stackpole) and RC1206FR-07205KL (YAGEO) are both suitable selections. The RMCS1206FT205K provides anti-sulfur construction, while RC1206FR-07205KL offers moisture-resistant characteristics. Both maintain active product status and full RoHS3 compliance.

ERJ-8ENF2053V (Panasonic) is designated as "Not For New Designs" and includes automotive AEC-Q200 qualification. This part is appropriate for applications requiring automotive-grade reliability or as a substitute in existing designs where supply constraints necessitate alternative sourcing. The AEC-Q200 certification does not affect electrical compatibility but indicates enhanced qualification testing.

All three substitute parts are electrically and mechanically equivalent to the primary part across all specified parameters and are suitable for direct substitution in PCB assembly operations.

Frequently Asked Questions (FAQ)

Q: Can ERJ-8ENF2053V be used in new product designs? A: ERJ-8ENF2053V carries a "Not For New Designs" status from the manufacturer. For new designs, RMCS1206FT205K or RC1206FR-07205KL are recommended. ERJ-8ENF2053V remains electrically compatible and may be used in existing designs or applications where automotive qualification is required.

Q: Are there dimensional differences between substitute parts? A: Minor dimensional variations exist within standard manufacturing tolerances. RMCS1206FT205K and RC1206FR-07205KL have maximum seated heights of 0.026" (0.65mm), while ERJ-8ENF2053V has a maximum seated height of 0.028" (0.70mm). Length and width dimensions vary slightly but remain within 1206 package specifications. These variations do not affect PCB assembly compatibility.

Q: What is the significance of the special features (anti-sulfur, moisture-resistant, AEC-Q200)? A: Anti-sulfur construction in RMCS1206FT205K provides protection against sulfur-containing environmental contaminants. Moisture-resistant construction in RC1206FR-07205KL enhances performance in humid environments. AEC-Q200 qualification in ERJ-8ENF2053V indicates automotive-grade reliability testing. These features are supplementary to the core electrical specifications and do not affect basic substitution compatibility.

Q: Are all substitute parts RoHS3 compliant? A: Yes. RMCS1206FT205K, ERJ-8ENF2053V, and RC1206FR-07205KL are all ROHS3 Compliant with REACH Unaffected status, meeting current environmental and regulatory requirements.

Q: Can these parts be used interchangeably in existing PCB designs? A: Yes. All substitute parts are electrically and mechanically equivalent across resistance, tolerance, power rating, package type, temperature coefficient, and operating temperature range. Direct substitution in PCB assembly is supported without design modification.