RCS3216F1270CS Equivalent & Substitute Parts Reference

Part Overview

The RCS3216F1270CS is a 127 Ohm ±1% 0.25W thick film chip resistor manufactured by Samsung Electro-Mechanics in the 1206 (3216 Metric) package. This component is classified as Active product status and features anti-sulfur and moisture-resistant construction. The part is ROHS3 compliant with unlimited moisture sensitivity level (MSL 1) and operates across the temperature range of -55°C to 155°C. Equivalent and substitute parts are identified based on matching electrical specifications, mechanical dimensions, and package compatibility to ensure direct functional replacement in circuit applications.

Substiute Parts

RCS3216F1270CS

Samsung Electro-MechanicsIn Stock: 1097RCS3216F1270CS Datasheet

Current PartRFQ

CRCW1206127RFKEA

Vishay DaleIn Stock: 25083CRCW1206127RFKEA Datasheet

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ERJ-8ENF1270V

Panasonic Electronic ComponentsIn Stock: 78827ERJ-8ENF1270V Datasheet

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RC1206FR-07127RL

YAGEOIn Stock: 4459RC1206FR-07127RL Datasheet

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Key Parameters

Substitute Part Grouping Explanation

Substitution of the RCS3216F1270CS is determined by strict equivalence across the following critical parameters:

Electrical Equivalence Requirements:

• Resistance value: 127 Ohms
• Tolerance: ±1%
• Power rating: 0.25W (1/4W)
• Temperature coefficient: ±100ppm/°C
• Operating temperature range: -55°C to 155°C

Mechanical Equivalence Requirements:

• Package type: 1206 (3216 Metric)
• Number of terminations: 2
• Physical dimensions compatible with 1206 footprint

Compliance Requirements:

• RoHS3 compliance
• MSL 1 rating
• REACH unaffected status

All identified substitute parts meet these criteria. Variations in packaging format (Tape & Reel vs. bulk), manufacturer-specific features (automotive AEC-Q200 certification, anti-sulfur coating), and product status (Active vs. Not For New Designs) are noted but do not prevent functional substitution when electrical and mechanical parameters align.

Parameter Comparison

Engineering Selection Recommendations

Primary Substitutes (Active Product Status):

CRCW1206127RFKEA (Vishay Dale) and RC1206FR-07127RL (YAGEO) are recommended as primary substitutes. Both parts maintain Active product status, ensuring continued availability and manufacturer support. CRCW1206127RFKEA includes automotive AEC-Q200 certification, suitable for applications requiring automotive-grade reliability. RC1206FR-07127RL provides moisture-resistant construction aligned with the original part's environmental specifications.

Secondary Substitute (Legacy Applications):

ERJ-8ENF1270V (Panasonic Electronic Components) is classified as Not For New Designs but remains functionally equivalent. This part is suitable for replacement in existing designs or legacy system maintenance where component continuity is required. The automotive AEC-Q200 certification provides equivalent reliability assurance.

Selection Criteria:

• For new designs: Select CRCW1206127RFKEA or RC1206FR-07127RL
• For existing RCS3216F1270CS applications: Any listed substitute provides direct functional replacement
• For automotive applications: CRCW1206127RFKEA or ERJ-8ENF1270V (AEC-Q200 certified)
• For high-volume production: Verify packaging format requirements (Tape & Reel vs. bulk availability)

All substitutes comply with ROHS3 and REACH requirements with MSL 1 rating, ensuring compatibility with standard PCB assembly processes.

Frequently Asked Questions (FAQ)

Q: Can CRCW1206127RFKEA directly replace RCS3216F1270CS in existing designs?

A: Yes. Both parts share identical electrical specifications (127 Ohms ±1%, 0.25W), temperature coefficient (±100ppm/°C), operating temperature range (-55°C to 155°C), and 1206 package footprint. The CRCW1206127RFKEA includes automotive AEC-Q200 certification, which does not prevent use in non-automotive applications.

Q: What is the difference between the packaging formats listed?

A: RCS3216F1270CS is supplied in bulk packaging. CRCW1206127RFKEA, ERJ-8ENF1270V, and RC1206FR-07127RL are supplied in Tape & Reel (TR) format. Both formats contain identical components; packaging format affects handling, storage, and automated assembly compatibility only.

Q: Why is ERJ-8ENF1270V marked as "Not For New Designs"?

A: This designation indicates the manufacturer (Panasonic) is not recommending this part for new product development. However, the part remains functionally equivalent and is suitable for replacement in existing applications or legacy system maintenance.

Q: Are all substitute parts ROHS3 compliant?

A: Yes. All listed substitutes—CRCW1206127RFKEA, ERJ-8ENF1270V, and RC1206FR-07127RL—are ROHS3 compliant with MSL 1 (Unlimited) moisture sensitivity level, matching the original RCS3216F1270CS specifications.

Q: What determines whether a part can substitute for RCS3216F1270CS?

A: Substitution is determined by matching resistance value (127 Ohms), tolerance (±1%), power rating (0.25W), package type (1206), composition (thick film), temperature coefficient (±100ppm/°C), operating temperature range (-55°C to 155°C), and compliance certifications (ROHS3, MSL 1).

Q: Can I use these substitutes in automotive applications?

A: CRCW1206127RFKEA and ERJ-8ENF1270V carry AEC-Q200 automotive certification. RC1206FR-07127RL does not list automotive certification but meets all electrical and environmental specifications. Verify application-specific automotive requirements before selection.

Q: What is the physical dimension difference between substitutes?

A: All parts use the 1206 (3216 Metric) package. Length dimensions range from 0.122" to 0.126" (3.10mm to 3.20mm), and height ranges from 0.024" to 0.028" (0.60mm to 0.70mm). These variations are within standard 1206 package tolerances and do not affect PCB footprint compatibility.