RC3216F2101CS Equivalent & Substitute Parts Reference

Part Overview

The RC3216F2101CS is a 2.1 kOhms ±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 with moisture-resistant construction and unlimited moisture sensitivity level (MSL 1). The part is ROHS3 compliant and suitable for general industrial and commercial applications requiring precision resistive elements with stable temperature characteristics across the -55°C to 155°C operating range.

Equivalent and substitute parts are identified when alternative manufacturers offer components with identical or functionally equivalent electrical specifications, mechanical dimensions, and environmental compliance ratings. This reference enables procurement flexibility, supply chain continuity, and cost optimization while maintaining design integrity.

Key Parameters

Parameter	Value	Specification Basis
Resistance Value	2.1 kOhms	Primary electrical specification
Tolerance	±1%	Precision grade classification
Power Rating	0.25W (1/4W)	Thermal dissipation capacity
Package / Case	1206 (3216 Metric)	Physical footprint and mounting compatibility
Composition	Thick Film	Manufacturing technology and performance characteristics
Temperature Coefficient	±100ppm/°C	Resistance stability over temperature range
Operating Temperature Range	-55°C ~ 155°C	Environmental operating limits
RoHS Status	ROHS3 Compliant	Environmental and regulatory compliance
Moisture Sensitivity Level	MSL 1 (Unlimited)	Handling and storage requirements
Number of Terminations	2	Electrical connection points

Substitute Part Grouping Explanation

Substitute parts for the RC3216F2101CS are classified based on strict equivalence of the following critical parameters:

Electrical Equivalence Criteria:

Resistance value: 2.1 kOhms (exact match required)
Tolerance: ±1% (precision grade match)
Power rating: 0.25W / 1/4W (thermal capacity match)
Temperature coefficient: ±100ppm/°C (stability match)
Operating temperature range: -55°C ~ 155°C (environmental match)

Mechanical Equivalence Criteria:

Package type: 1206 (3216 Metric) (footprint compatibility)
Composition: Thick Film (performance characteristics)
Number of terminations: 2 (connection compatibility)

Compliance Equivalence Criteria:

RoHS3 compliance (regulatory requirement)
Moisture sensitivity level: MSL 1 (handling compatibility)

All identified substitute parts meet these criteria. Variations in physical dimensions (length, width, height) within standard manufacturing tolerances do not affect functional substitutability in PCB design and assembly operations.

Parameter Comparison

Manufacturer Part Number	Manufacturer	Resistance	Tolerance	Power (W)	Package	Composition	Temp Coeff (ppm/°C)	Operating Temp (°C)	Product Status	RoHS3	MSL
RC3216F2101CS	Samsung Electro-Mechanics	2.1 kΩ	±1%	0.25	1206	Thick Film	±100	-55 ~ 155	Active	Yes	1
CR1206-FX-2101ELF	Bourns Inc.	2.1 kΩ	±1%	0.25	1206	Thick Film	±100	-55 ~ 155	Active	Yes	1
ERJ-8ENF2101V	Panasonic Electronic Components	2.1 kΩ	±1%	0.25	1206	Thick Film	±100	-55 ~ 155	Not For New Designs	Yes	1
RC1206FR-072K1L	YAGEO	2.1 kΩ	±1%	0.25	1206	Thick Film	±100	-55 ~ 155	Active	Yes	1
RMCF1206FT2K10	Stackpole Electronics Inc	2.1 kΩ	±1%	0.25	1206	Thick Film	±100	-55 ~ 155	Active	Yes	1
CRCW12062K10FKEA	Vishay Dale	2.1 kΩ	±1%	0.25	1206	Thick Film	±100	-55 ~ 155	Active	Yes	1
MCR18ERTF2101	Rohm Semiconductor	2.1 kΩ	±1%	0.25	1206	Thick Film	±100	-55 ~ 155	Discontinued at DiGi Electronics	Yes	1

Engineering Selection Recommendations

Primary Selection (Active Status):

CR1206-FX-2101ELF (Bourns Inc.), RC1206FR-072K1L (YAGEO), RMCF1206FT2K10 (Stackpole Electronics Inc), and CRCW12062K10FKEA (Vishay Dale) are all classified as Active products with current manufacturing and distribution support. These parts are suitable for new designs and ongoing production requirements.

Secondary Selection (Automotive-Qualified):

RMCF1206FT2K10 and CRCW12062K10FKEA carry AEC-Q200 automotive qualification ratings. These parts are appropriate for applications requiring automotive-grade reliability and traceability, in addition to standard industrial compliance.

Legacy / Restricted Selection:

ERJ-8ENF2101V (Panasonic Electronic Components) is classified as "Not For New Designs" and MCR18ERTF2101 (Rohm Semiconductor) is "Discontinued at DiGi Electronics." These parts meet all electrical and mechanical specifications but should be used only for replacement, repair, or legacy system maintenance where design continuity is required.

Compliance Verification:

All identified substitute parts are ROHS3 compliant, REACH unaffected, and classified under ECCN EAR99 with HTSUS code 8533.21.0030, matching the regulatory profile of the RC3216F2101CS.

Frequently Asked Questions (FAQ)

Q1: Can I substitute RC3216F2101CS with any of the listed parts without PCB redesign?

A: Yes. All listed substitute parts share identical 1206 (3216 Metric) package dimensions and electrical specifications (2.1 kΩ ±1%, 0.25W, ±100ppm/°C, -55°C ~ 155°C). Physical dimension variations (length, width, height) fall within standard manufacturing tolerances and do not affect PCB footprint compatibility or assembly processes.

Q2: What is the difference between "Direct" and "Similar" substitute classifications?

A: The input data distinguishes between "Direct Manufacturer Part Number" and "Similar Manufacturer Part Number" designations. Both categories meet all electrical and mechanical equivalence criteria. The classification reflects data source categorization but does not indicate functional or performance differences for substitution purposes.

Q3: Why is ERJ-8ENF2101V marked "Not For New Designs"?

A: Product status reflects manufacturer lifecycle management. ERJ-8ENF2101V meets all electrical, mechanical, and compliance specifications for the RC3216F2101CS. The "Not For New Designs" status indicates the manufacturer is transitioning this product line. Use this part only for replacement or legacy system support where design continuity is required.

Q4: Are there differences in moisture handling between these parts?

A: No. All substitute parts are classified as MSL 1 (Unlimited), indicating identical moisture sensitivity levels and handling requirements. No special precautions or storage condition differences apply between the main part and substitutes.

Q5: Which substitute offers the best availability?

A: According to inventory data provided, ERJ-8ENF2101V (Panasonic) has the highest stock level at 171,133 pieces. CR1206-FX-2101ELF (Bourns) and RC1206FR-072K1L (YAGEO) maintain substantial inventory at 23,627 and 22,521 pieces respectively. Availability should be verified with current suppliers for time-sensitive procurement.

Q6: Can I use automotive-qualified parts (RMCF1206FT2K10, CRCW12062K10FKEA) in non-automotive applications?

A: Yes. AEC-Q200 qualification represents an additional quality and reliability standard beyond standard industrial specifications. Automotive-qualified parts are fully compatible with non-automotive applications and may provide enhanced reliability margins.

Q7: What compliance certifications apply to all substitute parts?

A: All substitute parts are ROHS3 compliant, REACH unaffected, and classified under ECCN EAR99. These certifications match the RC3216F2101CS regulatory profile and ensure compatibility with international procurement and environmental regulations.

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