RC3216F1240CS Equivalent & Substitute Parts Reference

Part Overview

The RC3216F1240CS is a 124 Ohm ±1% 0.25W (1/4W) thick film chip resistor manufactured by Samsung Electro-Mechanics in the 1206 (3216 Metric) package. This component is classified as Active product status with moisture-resistant construction, operating across -55°C to 155°C. Substitute parts are identified when equivalent electrical specifications, mechanical dimensions, and compliance certifications align with the original component, enabling direct replacement in circuit applications without design modification.

Substiute Parts

RC3216F1240CS

Samsung Electro-MechanicsIn Stock: 816RC3216F1240CS Datasheet

Current PartRFQ

CR1206-FX-1240ELF

Bourns Inc.In Stock: 25707CR1206-FX-1240ELF Datasheet

DirectRFQ

RC1206FR-07124RL

YAGEOIn Stock: 65187RC1206FR-07124RL Datasheet

DirectRFQ

AC1206FR-07124RL

YAGEOIn Stock: 11143AC1206FR-07124RL Datasheet

UpgradeRFQ

CRCW1206124RFKEA

Vishay DaleIn Stock: 24044CRCW1206124RFKEA Datasheet

SimilarRFQ

CRCW1206124RFKEAHP

Vishay DaleIn Stock: 10762CRCW1206124RFKEAHP Datasheet

SimilarRFQ

ERJ-8ENF1240V

Panasonic Electronic ComponentsIn Stock: 56849ERJ-8ENF1240V Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility is determined by strict alignment of the following parameters:

Critical Matching Parameters:

• Resistance value: 124 Ohms
• Tolerance: ±1%
• Package / Case: 1206 (3216 Metric)
• Composition: Thick Film
• Temperature Coefficient: ±100ppm/°C
• Operating Temperature Range: -55°C ~ 155°C
• RoHS Status: ROHS3 Compliant
• Moisture Sensitivity Level: 1 (Unlimited)

Substitution Categories:

Direct Equivalents (Identical Specifications): Parts matching all critical parameters with 0.25W power rating and standard industrial features.

Upgrade Substitutes (Enhanced Specifications): Parts with identical electrical and thermal specifications but additional automotive AEC-Q200 qualification, suitable for applications requiring higher reliability standards.

Higher Power Rating Variants (Functional Upgrade): Parts with 0.75W power rating in identical package, providing increased thermal margin while maintaining all other specifications.

Legacy Status Parts (Functional Equivalent, Not Recommended for New Designs): Parts with complete specification match but marked as "Not For New Designs," suitable only for replacement in existing applications.

Parameter Comparison

Engineering Selection Recommendations

For Direct Replacement (Active Status, Standard Industrial Applications):

CR1206-FX-1240ELF (Bourns Inc.) and RC1206FR-07124RL (YAGEO) are direct functional equivalents with identical electrical and thermal specifications. Both maintain ROHS3 compliance and MSL 1 rating. Selection between these options depends on supply chain availability and packaging format preference (Tape & Reel).

For Automotive and High-Reliability Applications:

AC1206FR-07124RL (YAGEO) and CRCW1206124RFKEA (Vishay Dale) provide AEC-Q200 automotive qualification while maintaining all base electrical specifications. These components are suitable for automotive-grade circuit designs requiring enhanced reliability documentation.

For Thermal Margin Enhancement:

CRCW1206124RFKEAHP (Vishay Dale) offers 0.75W power rating in the identical 1206 package with AEC-Q200 qualification and pulse withstanding capability. This variant is applicable when circuit design requires increased thermal headroom without package size modification.

For Legacy System Maintenance Only:

ERJ-8ENF1240V (Panasonic Electronic Components) carries "Not For New Designs" status. This component is functionally equivalent but should be used exclusively for replacement in existing fielded systems where design continuity is required.

Frequently Asked Questions (FAQ)

Q: Can CR1206-FX-1240ELF replace RC3216F1240CS in any application?

A: Yes. CR1206-FX-1240ELF matches all critical electrical parameters (124 Ω ±1%, 0.25W, ±100ppm/°C, -55°C to 155°C) and package specification (1206). Both components are ROHS3 compliant with MSL 1 rating. The primary difference is packaging format (Tape & Reel versus Bulk) and manufacturer.

Q: What is the difference between standard and AEC-Q200 variants?

A: AEC-Q200 variants (AC1206FR-07124RL, CRCW1206124RFKEA, ERJ-8ENF1240V) include automotive-grade qualification and enhanced reliability testing documentation. Electrical specifications remain identical to standard variants. AEC-Q200 qualification is required for automotive applications; standard variants are suitable for industrial and consumer electronics.

Q: Is CRCW1206124RFKEAHP compatible with designs specified for 0.25W resistors?

A: CRCW1206124RFKEAHP is mechanically and electrically compatible (same 1206 package, 124 Ω ±1%, ±100ppm/°C, -55°C to 155°C). The 0.75W rating is a higher power capability that does not prevent use in 0.25W applications. This variant provides additional thermal margin and is suitable as a direct replacement with enhanced performance characteristics.

Q: Why is ERJ-8ENF1240V marked "Not For New Designs"?

A: "Not For New Designs" status indicates the manufacturer has discontinued active development and recommends alternative components for new circuit designs. ERJ-8ENF1240V remains functionally equivalent and is suitable for replacement in existing systems; however, new designs should specify active-status alternatives such as CR1206-FX-1240ELF or RC1206FR-07124RL.

Q: Are all substitute parts ROHS3 compliant?

A: Yes. All listed substitute parts maintain ROHS3 compliance and MSL 1 (Unlimited) moisture sensitivity rating, matching the original RC3216F1240CS specification.

Q: What packaging format should be selected for high-volume production?

A: Tape & Reel (TR) packaging is standard for automated assembly processes. CR1206-FX-1240ELF, RC1206FR-07124RL, AC1206FR-07124RL, CRCW1206124RFKEA, CRCW1206124RFKEAHP, and ERJ-8ENF1240V are all available in Tape & Reel format. The original RC3216F1240CS is supplied in Bulk format; conversion to Tape & Reel packaging may require supplier coordination.