RCS3216F124CS Equivalent & Substitute Parts Reference

Part Overview

The RCS3216F124CS is a 120 kOhms ±1% 0.25W thick film chip resistor in 1206 (3216 Metric) package manufactured by Samsung Electro-Mechanics. This component is classified as Active product status with anti-sulfur and moisture-resistant properties. The part operates across -55°C to 155°C temperature range and complies with ROHS3 standards.

Substitute parts are identified based on matching electrical specifications (resistance value, tolerance, power rating), mechanical compatibility (package type, dimensions, termination count), and environmental ratings (temperature range, moisture sensitivity level, compliance certifications).

Substiute Parts

RCS3216F124CS

Samsung Electro-MechanicsIn Stock: 925RCS3216F124CS Datasheet

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AC1206FR-07120KL

YAGEOIn Stock: 24835AC1206FR-07120KL Datasheet

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CR1206-FX-1203ELF

Bourns Inc.In Stock: 33986CR1206-FX-1203ELF Datasheet

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CRCW1206120KFKEA

Vishay DaleIn Stock: 31167CRCW1206120KFKEA Datasheet

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CRCW1206120KFKEAHP

Vishay DaleIn Stock: 15489CRCW1206120KFKEAHP Datasheet

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ERJ-8ENF1203V

Panasonic Electronic ComponentsIn Stock: 80620ERJ-8ENF1203V Datasheet

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RC1206FR-07120KL

YAGEOIn Stock: 500383RC1206FR-07120KL Datasheet

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Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the RCS3216F124CS are grouped based on strict electrical and mechanical parameter matching:

Primary Substitution Criteria:

• Resistance: 120 kOhms (exact match required)
• Tolerance: ±1% (exact match required)
• Package: 1206 (3216 Metric) (exact match required)
• Power Rating: 0.25W (1/4W) for direct substitution
• Temperature Coefficient: ±100ppm/°C (exact match required)
• Operating Temperature: -55°C ~ 155°C (exact match required)
• Composition: Thick Film (exact match required)
• Terminations: 2 (exact match required)
• MSL: 1 (Unlimited) (exact match required)
• RoHS Compliance: ROHS3 Compliant (exact match required)

Secondary Consideration:

• Product Status: Active status preferred; "Not For New Designs" parts listed for reference only
• Packaging Format: Tape & Reel (TR) or Cut Tape (CT) formats are interchangeable for component selection purposes

Parameter Comparison

Engineering Selection Recommendations

Direct Substitutes (Preferred for New Designs):

The following parts meet all electrical and mechanical parameters of the RCS3216F124CS and carry Active product status:

• AC1206FR-07120KL (YAGEO): Automotive AEC-Q200 rated. Suitable for applications requiring automotive-grade qualification.
• CR1206-FX-1203ELF (Bourns Inc.): Standard industrial-grade substitute with moisture-resistant properties matching the original specification.
• CRCW1206120KFKEA (Vishay Dale): Automotive AEC-Q200 rated. Suitable for automotive applications.
• RC1206FR-07120KL (YAGEO): Standard industrial-grade substitute with highest inventory availability (500,300 pcs).

Higher Power Rating Option:

• CRCW1206120KFKEAHP (Vishay Dale): Provides 0.75W power rating with pulse withstanding capability. Use only when circuit design requires higher power dissipation capacity than the original 0.25W specification. Same 1206 package footprint.

Legacy/Obsolescence Consideration:

• ERJ-8ENF1203V (Panasonic Electronic Components): Marked "Not For New Designs." Use only for replacement in existing production or legacy systems where continuity is required.

All substitute parts comply with ROHS3 standards, operate across -55°C to 155°C, and maintain MSL Level 1 (Unlimited) moisture sensitivity rating.

Frequently Asked Questions (FAQ)

Q: Can CRCW1206120KFKEAHP (0.75W) be used as a direct replacement for RCS3216F124CS (0.25W)?

A: CRCW1206120KFKEAHP is electrically and mechanically compatible with the RCS3216F124CS. The higher power rating (0.75W vs. 0.25W) does not prevent substitution; however, it should only be used if the circuit design permits or requires the increased power dissipation capability. The 1206 package footprint is identical.

Q: What is the difference between Tape & Reel (TR) and Cut Tape (CT) packaging?

A: Tape & Reel and Cut Tape are packaging formats for component delivery and handling. Both formats contain identical electronic components. Selection between these formats depends on assembly process requirements and inventory management practices, not component electrical performance.

Q: Why is ERJ-8ENF1203V marked "Not For New Designs"?

A: "Not For New Designs" indicates the manufacturer has discontinued active development and recommends alternative parts for new product designs. This part remains available for replacement and legacy system support but should not be selected for new circuit designs.

Q: Are all substitute parts automotive-qualified?

A: No. AC1206FR-07120KL, CRCW1206120KFKEA, CRCW1206120KFKEAHP, and ERJ-8ENF1203V carry AEC-Q200 automotive qualification. CR1206-FX-1203ELF and RC1206FR-07120KL are standard industrial-grade components without automotive certification. Select automotive-qualified parts only if your application requires AEC-Q200 compliance.

Q: Can I substitute based on package size alone?

A: No. While all substitute parts use the 1206 (3216 Metric) package, electrical parameters (resistance, tolerance, power rating, temperature coefficient) and environmental ratings (operating temperature, MSL, RoHS compliance) must match exactly. Package compatibility is necessary but not sufficient for substitution.

Q: What does MSL Level 1 (Unlimited) mean?

A: MSL (Moisture Sensitivity Level) 1 indicates the component has unlimited shelf life and requires no special moisture-control handling during storage or assembly. All listed parts share this specification with the original RCS3216F124CS.