RCS3216F1271CS Equivalent & Substitute Parts Reference

Part Overview

The RCS3216F1271CS is a 1.27 kOhms ±1% 0.25W thick film chip resistor in 1206 (3216 Metric) package manufactured by Samsung Electro-Mechanics. This component features anti-sulfur and moisture-resistant properties, operating across -55°C to 155°C with a temperature coefficient of ±100ppm/°C. The part maintains Active product status with 843 pieces currently in stock. Equivalent and substitute parts are identified based on matching electrical specifications, mechanical dimensions, and compliance certifications to ensure direct functional interchangeability in circuit applications.

Substiute Parts

RCS3216F1271CS

Samsung Electro-MechanicsIn Stock: 952RCS3216F1271CS Datasheet

Current PartRFQ

AC1206FR-071K27L

YAGEOIn Stock: 10967AC1206FR-071K27L Datasheet

SimilarRFQ

CRCW12061K27FKEA

Vishay DaleIn Stock: 14687CRCW12061K27FKEA Datasheet

SimilarRFQ

ERJ-8ENF1271V

Panasonic Electronic ComponentsIn Stock: 131379ERJ-8ENF1271V Datasheet

SimilarRFQ

RC1206FR-071K27L

YAGEOIn Stock: 52056RC1206FR-071K27L Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the RCS3216F1271CS is determined by strict adherence to the following parameters:

Critical Matching Parameters:

• Resistance Value: 1.27 kOhms (exact match required)
• Tolerance: ±1% (exact match required)
• Power Rating: 0.25W / 1/4W (exact match required)
• Package / Case: 1206 (3216 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)
• RoHS Status: ROHS3 Compliant (exact match required)
• Moisture Sensitivity Level: 1 (Unlimited) (exact match required)

All identified substitute parts meet these critical parameters. Variations in physical dimensions (length, width, height) within standard manufacturing tolerances and differences in packaging format (Tape & Reel versus bulk) do not affect functional interchangeability. Product status and specific feature sets (such as Automotive AEC-Q200 certification) are noted for application-specific selection but do not disqualify substitution based on electrical and mechanical compatibility.

Parameter Comparison

Engineering Selection Recommendations

Primary Selection (Active Status, General Applications): RC1206FR-071K27L (YAGEO) is the preferred substitute for general-purpose applications. This part maintains Active product status, matches all critical electrical and mechanical parameters, and offers the highest inventory availability (52007 pieces) among non-automotive variants. The moisture-resistant feature aligns with the original RCS3216F1271CS specification.

Automotive Applications: AC1206FR-071K27L (YAGEO) and CRCW12061K27FKEA (Vishay Dale) are suitable for automotive-grade applications requiring AEC-Q200 certification. Both parts maintain Active product status and provide equivalent electrical performance with automotive-specific qualification. CRCW12061K27FKEA offers higher inventory (14600 pieces) compared to AC1206FR-071K27L (10913 pieces).

Legacy System Compatibility: ERJ-8ENF1271V (Panasonic Electronic Components) carries "Not For New Designs" status and should be used only for legacy system maintenance or repair applications where original part compatibility is required. Despite discontinued design status, this part maintains full electrical and mechanical equivalence with 131322 pieces in inventory.

Compliance Verification: All substitute parts maintain ROHS3 compliance, REACH unaffected status, and MSL 1 (Unlimited) rating, ensuring compatibility with modern manufacturing and environmental standards.

Frequently Asked Questions (FAQ)

Q: Can AC1206FR-071K27L replace RCS3216F1271CS in non-automotive circuits? A: Yes. AC1206FR-071K27L meets all critical electrical and mechanical parameters. The Automotive AEC-Q200 certification is an additional qualification that does not restrict use in general-purpose applications.

Q: What is the difference between RC1206FR-071K27L and AC1206FR-071K27L? A: Both are YAGEO 1206 resistors with 1.27 kOhms ±1% specifications. AC1206FR-071K27L includes Automotive AEC-Q200 certification; RC1206FR-071K27L does not. Electrical performance is identical. Physical dimensions vary slightly within standard tolerances (AC: 3.10mm L vs RC: 3.10mm L; height AC: 0.65mm vs RC: 0.65mm).

Q: Is ERJ-8ENF1271V suitable for new product designs? A: No. ERJ-8ENF1271V carries "Not For New Designs" status. Use this part only for maintenance, repair, or legacy system support. For new designs, select from Active-status alternatives: RC1206FR-071K27L, AC1206FR-071K27L, or CRCW12061K27FKEA.

Q: Do physical dimension variations affect PCB layout compatibility? A: No. All substitute parts use the 1206 (3216 Metric) package standard. Dimension variations (length 3.10mm to 3.20mm, height 0.60mm to 0.70mm) fall within standard manufacturing tolerances and do not require PCB redesign. Footprint compatibility is maintained across all listed substitutes.

Q: What packaging formats are available? A: RCS3216F1271CS is supplied in bulk packaging. All substitute parts are available in Tape & Reel (TR) format, which is standard for automated assembly. Tape & Reel packaging does not affect component electrical or mechanical performance.

Q: Are all substitutes RoHS3 compliant? A: Yes. All listed substitute parts maintain ROHS3 compliance and REACH unaffected status, meeting current environmental and regulatory requirements.

Q: Which substitute offers the best inventory availability? A: ERJ-8ENF1271V (Panasonic) provides the highest inventory at 131322 pieces. However, due to "Not For New Designs" status, RC1206FR-071K27L (YAGEO) with 52007 pieces is recommended for active projects. CRCW12061K27FKEA (Vishay Dale) offers 14600 pieces for automotive applications.