RCS3216F512CS Equivalent & Substitute Parts Reference

Part Overview

The RCS3216F512CS is a 5.1 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 with MSL Level 1 rating.

Substitute parts become necessary when the primary part experiences supply constraints, inventory limitations, or when design requirements mandate specific manufacturer certifications such as automotive AEC-Q200 qualification or enhanced pulse-withstanding capabilities.

Key Parameters

Parameter	Value
Resistance	5.1 kOhms
Tolerance	±1%
Power Rating	0.25W (1/4W)
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)

Substitute Part Grouping Explanation

Substitution eligibility for the RCS3216F512CS is determined by strict adherence to the following electrical and mechanical parameters:

Primary Substitution Criteria:

Resistance value: 5.1 kOhms (exact match required)
Tolerance: ±1% (exact match required)
Power rating: 0.25W minimum (equal or higher acceptable)
Package: 1206 (3216 Metric) (exact match required)
Composition: Thick Film (exact match required)
Temperature coefficient: ±100ppm/°C (exact match required)
Operating temperature range: -55°C ~ 155°C minimum (equal or wider acceptable)
RoHS compliance: ROHS3 (exact match required)
MSL rating: Level 1 (exact match required)

Secondary Considerations:

Automotive AEC-Q200 certification (optional enhancement)
Pulse-withstanding capability (optional enhancement)
Packaging format (Cut Tape, Digi-Reel, or Tape & Reel acceptable)
Product status (Active preferred; Not For New Designs acceptable for legacy applications)

All substitute parts listed maintain identical electrical performance characteristics and mechanical compatibility with the RCS3216F512CS within standard PCB assembly processes.

Parameter Comparison

Part Number	Manufacturer	Resistance	Tolerance	Power (W)	Package	Temp Coeff	Op. Temp Range	RoHS	MSL	AEC-Q200	Product Status
RCS3216F512CS	Samsung Electro-Mechanics	5.1 kΩ	±1%	0.25	1206	±100ppm/°C	-55~155°C	ROHS3	1	No	Active
RC3216F512CS	Samsung Electro-Mechanics	5.1 kΩ	±1%	0.25	1206	±100ppm/°C	-55~155°C	ROHS3	1	No	Active
AC1206FR-075K1L	YAGEO	5.1 kΩ	±1%	0.25	1206	±100ppm/°C	-55~155°C	ROHS3	1	Yes	Active
CR1206-FX-5101ELF	Bourns Inc.	5.1 kΩ	±1%	0.25	1206	±100ppm/°C	-55~155°C	ROHS3	1	No	Active
CRCW12065K10FKEA	Vishay Dale	5.1 kΩ	±1%	0.25	1206	±100ppm/°C	-55~155°C	ROHS3	1	Yes	Active
CRCW12065K10FKEAHP	Vishay Dale	5.1 kΩ	±1%	0.75	1206	±100ppm/°C	-55~155°C	ROHS3	1	Yes	Active
ERJ-8ENF5101V	Panasonic Electronic Components	5.1 kΩ	±1%	0.25	1206	±100ppm/°C	-55~155°C	ROHS3	1	Yes	Not For New Designs
ESR18EZPD5101	Rohm Semiconductor	5.1 kΩ	±0.5%	0.5	1206	±100ppm/°C	-55~155°C	ROHS3	1	Yes	Active
KTR18EZPF5101	Rohm Semiconductor	5.1 kΩ	±1%	0.25	1206	±100ppm/°C	-55~155°C	ROHS3	1	Yes	Active
RC1206FR-075K1L	YAGEO	5.1 kΩ	±1%	0.25	1206	±100ppm/°C	-55~155°C	ROHS3	1	No	Active

Engineering Selection Recommendations

Direct Equivalents (Identical Specifications):

RC3216F512CS (Samsung Electro-Mechanics) provides identical electrical and mechanical specifications to the RCS3216F512CS. Both parts share the same manufacturer, series designation, and performance characteristics. Selection between these two Samsung variants depends solely on packaging format availability and inventory status.

Standard Substitutes (Equivalent Performance, Non-Automotive):

CR1206-FX-5101ELF (Bourns Inc.) and RC1206FR-075K1L (YAGEO) maintain full electrical equivalence with identical resistance, tolerance, power rating, and temperature specifications. These parts are suitable for applications without automotive qualification requirements. Selection is based on packaging preference and supply chain availability.

Automotive-Qualified Substitutes (AEC-Q200 Certified):

AC1206FR-075K1L (YAGEO), CRCW12065K10FKEA (Vishay Dale), KTR18EZPF5101 (Rohm Semiconductor), and ERJ-8ENF5101V (Panasonic Electronic Components) provide AEC-Q200 automotive qualification in addition to equivalent electrical specifications. These parts are required for automotive applications or designs requiring automotive-grade component reliability.

Enhanced Performance Substitutes:

CRCW12065K10FKEAHP (Vishay Dale) provides 0.75W power rating with pulse-withstanding capability and AEC-Q200 certification. This part is suitable when higher power dissipation or pulse immunity is required within the same package footprint.

ESR18EZPD5101 (Rohm Semiconductor) offers ±0.5% tolerance (tighter than ±1%) and 0.5W power rating with AEC-Q200 certification and pulse-withstanding capability. This part is selected when enhanced tolerance and power handling are design requirements.

Legacy Consideration:

ERJ-8ENF5101V (Panasonic Electronic Components) carries "Not For New Designs" status. This part remains functionally equivalent but should be avoided in new product development. Existing designs using this part may continue with this component for continuity.

Frequently Asked Questions (FAQ)

Q: Can RC3216F512CS replace RCS3216F512CS directly?

A: Yes. RC3216F512CS is a direct equivalent manufactured by Samsung Electro-Mechanics with identical electrical specifications (5.1 kΩ ±1%, 0.25W), package (1206), and operating characteristics (-55°C to 155°C). The primary difference is packaging format. Both parts are Active status and ROHS3 compliant.

Q: What is the difference between the standard substitutes and automotive-qualified substitutes?

A: Automotive-qualified substitutes (AC1206FR-075K1L, CRCW12065K10FKEA, KTR18EZPF5101, ERJ-8ENF5101V) carry AEC-Q200 certification, indicating compliance with automotive reliability and quality standards. Standard substitutes (CR1206-FX-5101ELF, RC1206FR-075K1L) lack this certification. Selection depends on application requirements. Automotive applications mandate AEC-Q200 certification.

Q: Can CRCW12065K10FKEAHP be used as a direct replacement?

A: CRCW12065K10FKEAHP is electrically compatible but provides enhanced specifications: 0.75W power rating (versus 0.25W) and pulse-withstanding capability. The 1206 package footprint is identical. This part is suitable as a replacement when higher power dissipation or pulse immunity is required. No design modification is necessary for PCB layout.

Q: Is ESR18EZPD5101 compatible with the RCS3216F512CS?

A: ESR18EZPD5101 is mechanically and electrically compatible with identical 5.1 kΩ resistance, ±100ppm/°C temperature coefficient, and 1206 package. However, it differs in tolerance (±0.5% versus ±1%) and power rating (0.5W versus 0.25W). This part is suitable when tighter tolerance or higher power handling is required. The enhanced specifications do not create compatibility issues.

Q: What packaging formats are available for these substitutes?

A: Substitute parts are available in three packaging formats: Cut Tape (CT) & Digi-Reel, Tape & Reel (TR), and bulk quantities. Cut Tape & Digi-Reel format is suitable for manual assembly and small production runs. Tape & Reel format is optimized for automated pick-and-place assembly. Selection depends on assembly process requirements and production volume.

Q: Why is ERJ-8ENF5101V marked "Not For New Designs"?

A: ERJ-8ENF5101V carries "Not For New Designs" status from Panasonic Electronic Components, indicating the manufacturer is transitioning this product line. While functionally equivalent and currently in stock, this part should not be selected for new product development. Existing designs using this part may continue with this component for production continuity.

Q: Are all substitute parts ROHS3 compliant?

A: Yes. All listed substitute parts maintain ROHS3 compliance and MSL Level 1 (Unlimited) moisture sensitivity rating, matching the RCS3216F512CS environmental and regulatory specifications.

Q: What determines whether a part can substitute for RCS3216F512CS?

A: Substitution eligibility is strictly determined by: resistance value (5.1 kΩ exact), tolerance (±1% exact), power rating (0.25W minimum), package (1206 exact), composition (Thick Film exact), temperature coefficient (±100ppm/°C exact), operating temperature range (-55°C to 155°C minimum), RoHS compliance (ROHS3 exact), and MSL rating (Level 1 exact). Additional certifications such as AEC-Q200 are optional enhancements that do not affect basic substitution compatibility.

Request Quote (Ships tomorrow)

Part Number

Quantity

Company

Contact Name

E-mail

Message