RC3216F40R2CS 40.2 Ohm 1/4W 1206 Chip Resistor Equivalent & Substitute Parts

Part Overview

The RC3216F40R2CS is a 40.2 Ohm ±1% 0.25W thick film chip resistor manufactured by Samsung Electro-Mechanics in 1206 (3216 Metric) package format. This component is classified as Active product status and is moisture resistant with unlimited moisture sensitivity level (MSL 1). The part is ROHS3 compliant and REACH unaffected, making it suitable for general industrial and consumer applications. Equivalent and substitute parts are identified based on matching electrical specifications, mechanical dimensions, and environmental ratings to ensure direct functional replacement in circuit designs.

Substiute Parts

RC3216F40R2CS

Samsung Electro-MechanicsIn Stock: 1003RC3216F40R2CS Datasheet

Current PartRFQ

CR1206-FX-40R2ELF

Bourns Inc.In Stock: 55803CR1206-FX-40R2ELF Datasheet

DirectRFQ

RC1206FR-0740R2L

YAGEOIn Stock: 97249RC1206FR-0740R2L Datasheet

DirectRFQ

CRCW120640R2FKEA

Vishay DaleIn Stock: 10970CRCW120640R2FKEA Datasheet

SimilarRFQ

ERJ-8ENF40R2V

Panasonic Electronic ComponentsIn Stock: 18681ERJ-8ENF40R2V Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the RC3216F40R2CS is determined by strict equivalence across the following critical parameters:

Electrical Specifications: Resistance value (40.2 Ohms), tolerance (±1%), and power rating (0.25W) must match exactly. Temperature coefficient (±100ppm/°C) and operating temperature range (-55°C ~ 155°C) establish thermal performance boundaries.

Mechanical Compatibility: Package type (1206 / 3216 Metric) and number of terminations (2) are mandatory for PCB footprint compatibility. Physical dimensions and height specifications determine mounting clearance and assembly feasibility.

Environmental & Compliance Requirements: Moisture Sensitivity Level 1 (Unlimited), ROHS3 compliance, and REACH unaffected status ensure regulatory and environmental compatibility.

Composition & Features: Thick film construction and moisture resistance characteristics must be maintained for equivalent performance in target applications.

All identified substitute parts meet these criteria and are classified as either Direct Manufacturer equivalents or Similar alternatives based on feature alignment.

Parameter Comparison

Engineering Selection Recommendations

Direct Manufacturer Equivalents (Preferred for Drop-In Replacement):

CR1206-FX-40R2ELF (Bourns Inc.) and RC1206FR-0740R2L (YAGEO) are classified as direct manufacturer equivalents. Both parts maintain Active product status, identical electrical and thermal specifications, and full ROHS3 compliance. These parts are suitable for immediate substitution in existing designs without design modification.

Similar Alternatives (Feature-Enhanced Options):

CRCW120640R2FKEA (Vishay Dale) and ERJ-8ENF40R2V (Panasonic Electronic Components) are classified as similar alternatives. Both incorporate Automotive AEC-Q200 qualification, providing enhanced reliability for automotive and harsh environment applications. CRCW120640R2FKEA maintains Active product status. ERJ-8ENF40R2V carries "Not For New Designs" status, indicating this part is suitable for legacy system support and replacement applications only, not for new product development.

Compliance & Regulatory Alignment:

All substitute parts maintain ROHS3 compliance and REACH unaffected status, ensuring regulatory compatibility with the original RC3216F40R2CS. Moisture Sensitivity Level 1 (Unlimited) is consistent across all options, eliminating moisture handling restrictions during assembly and storage.

Frequently Asked Questions (FAQ)

Q: Can CR1206-FX-40R2ELF (Bourns) be used as a direct replacement for RC3216F40R2CS (Samsung)?

A: Yes. CR1206-FX-40R2ELF meets all electrical, mechanical, and environmental specifications of RC3216F40R2CS. Both are 40.2 Ohm ±1% 0.25W thick film resistors in 1206 package with identical temperature coefficients and operating ranges. Both maintain Active product status and ROHS3 compliance.

Q: What is the difference between Direct Manufacturer Equivalents and Similar Alternatives?

A: Direct Manufacturer Equivalents (CR1206-FX-40R2ELF, RC1206FR-0740R2L) provide functional equivalence with identical feature sets. Similar Alternatives (CRCW120640R2FKEA, ERJ-8ENF40R2V) add automotive AEC-Q200 qualification for enhanced reliability in demanding environments, but maintain core electrical and thermal equivalence.

Q: Why is ERJ-8ENF40R2V marked "Not For New Designs"?

A: ERJ-8ENF40R2V carries "Not For New Designs" status from Panasonic, indicating the manufacturer has transitioned this part to legacy support only. This part remains suitable for replacement in existing systems and legacy applications but should not be selected for new product development. For new designs, select CR1206-FX-40R2ELF, RC1206FR-0740R2L, or CRCW120640R2FKEA.

Q: Are there physical dimension differences between substitute parts?

A: Minor dimensional variations exist within tolerance. RC3216F40R2CS and CRCW120640R2FKEA specify 0.126" length; RC1206FR-0740R2L specifies 0.122" length. Height specifications range from 0.024" to 0.030" (0.60mm to 0.75mm). These variations remain within 1206 package footprint standards and do not affect PCB assembly compatibility.

Q: Do all substitute parts have the same moisture sensitivity requirements?

A: Yes. All substitute parts maintain Moisture Sensitivity Level 1 (Unlimited), eliminating moisture handling restrictions. No special dry-pack storage or baking procedures are required for any of these parts.

Q: Which substitute part should be selected for automotive applications?

A: CRCW120640R2FKEA (Vishay Dale) is recommended for automotive applications. This part carries Automotive AEC-Q200 qualification and maintains Active product status, providing automotive-grade reliability with full design support from the manufacturer.