RC3216F21R5CS Equivalent & Substitute Parts Reference

Part Overview

The RC3216F21R5CS is a 21.5 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 designed for general-purpose applications requiring moisture-resistant thick film construction. Equivalent and substitute parts are identified based on matching electrical specifications, mechanical dimensions, and environmental compliance ratings to ensure direct functional interchangeability in circuit designs.

Substiute Parts

RC3216F21R5CS

Samsung Electro-MechanicsIn Stock: 727RC3216F21R5CS Datasheet

Current PartRFQ

RC1206FR-0721R5L

YAGEOIn Stock: 5157RC1206FR-0721R5L Datasheet

DirectRFQ

CRCW120621R5FKEA

Vishay DaleIn Stock: 18488CRCW120621R5FKEA Datasheet

SimilarRFQ

ERJ-8ENF21R5V

Panasonic Electronic ComponentsIn Stock: 9186ERJ-8ENF21R5V Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the RC3216F21R5CS is determined by strict equivalence across the following parameters:

Critical Matching Parameters:

• Resistance value: 21.5 Ohms
• Tolerance: ±1%
• Power rating: 0.25W (1/4W)
• Package format: 1206 (3216 Metric)
• Composition: Thick Film
• Temperature coefficient: ±100ppm/°C
• Operating temperature range: -55°C ~ 155°C
• Moisture sensitivity level: 1 (Unlimited)
• RoHS compliance: ROHS3 Compliant

All identified substitute parts meet these electrical and mechanical requirements. Substitutes are classified as either Direct Manufacturer equivalents or Similar Manufacturer alternatives based on dimensional tolerances and feature sets.

Parameter Comparison

Engineering Selection Recommendations

RC1206FR-0721R5L (YAGEO): This part is classified as a Direct Manufacturer equivalent with Active product status. It meets all electrical and mechanical parameters of the RC3216F21R5CS. The YAGEO RC_L series provides equivalent performance for general-purpose applications without automotive-specific requirements.

CRCW120621R5FKEA (Vishay Dale): This part is classified as a Similar Manufacturer alternative with Active product status. It includes AEC-Q200 automotive qualification, making it suitable for applications requiring automotive-grade reliability. Dimensional variations are within acceptable tolerances for 1206 package format.

ERJ-8ENF21R5V (Panasonic Electronic Components): This part is classified as a Similar Manufacturer alternative with "Not For New Designs" product status. Although it meets all electrical and mechanical specifications and includes AEC-Q200 automotive qualification, its discontinued design status restricts its use to legacy system support or existing inventory applications only.

Frequently Asked Questions (FAQ)

Q: Can RC1206FR-0721R5L be used as a direct replacement for RC3216F21R5CS?

A: Yes. Both parts share identical electrical specifications (21.5 Ohms ±1%, 0.25W), composition (thick film), temperature characteristics (±100ppm/°C, -55°C ~ 155°C), and package format (1206). Both are Active products with ROHS3 compliance and MSL 1 rating.

Q: What is the difference between CRCW120621R5FKEA and the Samsung RC3216F21R5CS?

A: Both parts are electrically and mechanically equivalent. The primary difference is that CRCW120621R5FKEA includes AEC-Q200 automotive qualification, which the Samsung part does not specify. This makes the Vishay part suitable for automotive applications requiring formal qualification documentation.

Q: Why is ERJ-8ENF21R5V marked "Not For New Designs"?

A: The ERJ-8ENF21R5V has been discontinued by Panasonic for new design applications. While it meets all technical specifications and includes AEC-Q200 rating, its use should be limited to legacy system maintenance or existing inventory applications only.

Q: Are there dimensional differences between these 1206 package parts?

A: Minor dimensional variations exist within 1206 package tolerance ranges. RC3216F21R5CS and CRCW120621R5FKEA are both 0.126" L x 0.063" W. RC1206FR-0721R5L is 0.122" L x 0.063" W. Height variations range from 0.024" to 0.028" maximum seated height. These variations are within standard 1206 package specifications and do not affect circuit board layout compatibility.

Q: Which substitute part should be selected for new designs?

A: For new designs without automotive requirements, RC1206FR-0721R5L (YAGEO) is recommended due to Active product status and equivalent specifications. For automotive applications, CRCW120621R5FKEA (Vishay Dale) is recommended due to AEC-Q200 qualification and Active product status.

Q: Are all these parts RoHS compliant?

A: Yes. All four parts (RC3216F21R5CS, RC1206FR-0721R5L, CRCW120621R5FKEA, and ERJ-8ENF21R5V) are ROHS3 compliant and REACH unaffected.