RC3216F513CS Equivalent & Substitute Parts Reference

Part Overview

The RC3216F513CS is a 51 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 913 pieces currently in stock. The part is ROHS3 compliant and features moisture-resistant construction suitable for general industrial and commercial applications. Equivalent and substitute parts are identified based on matching electrical specifications, mechanical dimensions, and package compatibility to ensure direct circuit board replacement capability.

Key Parameters

Parameter	Specification
Resistance Value	51 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 to 155°C
Moisture Sensitivity Level	MSL 1 (Unlimited)
RoHS Status	ROHS3 Compliant
Number of Terminations	2

Substitute Part Grouping Explanation

Substitute parts for the RC3216F513CS are classified based on strict electrical and mechanical parameter matching. The primary substitution criteria are:

Core Matching Parameters:

Resistance value: 51 kOhms
Tolerance: ±1%
Power rating: 0.25W (1/4W)
Package: 1206 (3216 Metric)
Composition: Thick Film
Temperature coefficient: ±100ppm/°C
Operating temperature range: -55°C to 155°C
Termination count: 2
RoHS3 compliance
MSL 1 rating

Substitute Categories:

Direct Equivalents (Identical Specifications): Parts matching all core parameters with moisture-resistant features equivalent to the main part.

Automotive-Qualified Alternatives (AEC-Q200): Parts meeting all core electrical and mechanical specifications with additional automotive qualification. These parts are suitable for applications requiring automotive-grade reliability.

Enhanced Power Rating Variant: CRCW120651K0FKEAHP features 0.75W (3/4W) power rating with pulse withstanding capability while maintaining identical resistance, tolerance, and package specifications. This part is suitable only for applications where higher power dissipation is required.

Discontinued Status: MCR18ERTF5102 is discontinued at DiGi Electronics but remains electrically and mechanically equivalent for legacy system support.

Parameter Comparison

Part Number	Manufacturer	Resistance	Tolerance	Power (W)	Package	Temp Coeff	Op Temp (°C)	Features	Product Status	RoHS3
RC3216F513CS	Samsung Electro-Mechanics	51k	±1%	0.25	1206	±100ppm/°C	-55 to 155	Moisture Resistant	Active	Yes
CR1206-FX-5102ELF	Bourns Inc.	51k	±1%	0.25	1206	±100ppm/°C	-55 to 155	Moisture Resistant	Active	Yes
ERJ-8ENF5102V	Panasonic Electronic Components	51k	±1%	0.25	1206	±100ppm/°C	-55 to 155	Automotive AEC-Q200	Not For New Designs	Yes
RC1206FR-0751KL	YAGEO	51k	±1%	0.25	1206	±100ppm/°C	-55 to 155	Moisture Resistant	Active	Yes
RMCF1206FT51K0	Stackpole Electronics Inc	51k	±1%	0.25	1206	±100ppm/°C	-55 to 155	Automotive AEC-Q200	Active	Yes
AC1206FR-0751KL	YAGEO	51k	±1%	0.25	1206	±100ppm/°C	-55 to 155	Automotive AEC-Q200, Moisture Resistant	Active	Yes
CRCW120651K0FKEA	Vishay Dale	51k	±1%	0.25	1206	±100ppm/°C	-55 to 155	Automotive AEC-Q200	Active	Yes
CRCW120651K0FKEAHP	Vishay Dale	51k	±1%	0.75	1206	±100ppm/°C	-55 to 155	Automotive AEC-Q200, Pulse Withstanding	Active	Yes
KTR18EZPF5102	Rohm Semiconductor	51k	±1%	0.25	1206	±100ppm/°C	-55 to 155	Automotive AEC-Q200, High Voltage	Active	Yes
MCR18ERTF5102	Rohm Semiconductor	51k	±1%	0.25	1206	±100ppm/°C	-55 to 155	None Listed	Discontinued at DiGi Electronics	Yes

Engineering Selection Recommendations

For Direct Replacement in Active Designs:

CR1206-FX-5102ELF (Bourns Inc.) and RC1206FR-0751KL (YAGEO) are recommended as primary substitutes. Both parts are Active status, ROHS3 compliant, and feature moisture-resistant construction matching the original RC3216F513CS specification. These parts maintain identical electrical parameters and 1206 package compatibility.

For Automotive Applications:

RMCF1206FT51K0 (Stackpole Electronics Inc), AC1206FR-0751KL (YAGEO), CRCW120651K0FKEA (Vishay Dale), and KTR18EZPF5102 (Rohm Semiconductor) are qualified to AEC-Q200 automotive standards. These parts are suitable for automotive circuit applications requiring automotive-grade component certification. All maintain Active product status and ROHS3 compliance.

For Enhanced Power Dissipation:

CRCW120651K0FKEAHP (Vishay Dale) provides 0.75W power rating with pulse withstanding capability. This part is suitable only for applications where the standard 0.25W rating is insufficient. The part maintains identical resistance, tolerance, and package specifications while offering increased thermal performance.

Parts to Avoid for New Designs:

ERJ-8ENF5102V (Panasonic Electronic Components) carries "Not For New Designs" status and should not be selected for new circuit development. MCR18ERTF5102 (Rohm Semiconductor) is discontinued at DiGi Electronics and should be used only for legacy system maintenance where existing inventory exists.

Frequently Asked Questions (FAQ)

Q: Can CR1206-FX-5102ELF replace RC3216F513CS directly on the circuit board?

A: Yes. CR1206-FX-5102ELF matches all core electrical specifications (51 kOhms ±1%, 0.25W) and package dimensions (1206). Both parts feature moisture-resistant thick film construction and are ROHS3 compliant. Direct substitution is electrically and mechanically compatible.

Q: What is the difference between moisture-resistant and automotive AEC-Q200 variants?

A: Moisture-resistant variants (CR1206-FX-5102ELF, RC1206FR-0751KL) are designed for general industrial applications with protection against moisture ingress. Automotive AEC-Q200 variants (RMCF1206FT51K0, AC1206FR-0751KL, CRCW120651K0FKEA, KTR18EZPF5102) meet automotive industry qualification standards for reliability and performance in automotive environments. AEC-Q200 parts are suitable for both automotive and general industrial use.

Q: Can CRCW120651K0FKEAHP be used as a direct substitute?

A: CRCW120651K0FKEAHP is electrically compatible but features 0.75W power rating versus the standard 0.25W. This part is suitable only if the application requires higher power dissipation. Using a higher-rated component in a circuit designed for 0.25W does not create functional issues but represents over-specification.

Q: Why is ERJ-8ENF5102V marked "Not For New Designs"?

A: "Not For New Designs" status indicates the manufacturer has discontinued active development and support for this part. While existing inventory may be available, new circuit designs should select from Active status alternatives to ensure long-term supply chain stability and manufacturer support.

Q: Are all substitute parts available in the same packaging options?

A: Packaging availability varies by manufacturer and distributor. CR1206-FX-5102ELF is available in Tape & Reel (TR). RC1206FR-0751KL is available in Cut Tape (CT) & Digi-Reel®. Automotive variants are primarily available in Tape & Reel (TR). Verify packaging availability with your component supplier for procurement requirements.

Q: What is the significance of MSL 1 (Unlimited) rating?

A: MSL 1 (Moisture Sensitivity Level 1) indicates unlimited shelf life without moisture bake-out requirements. All listed substitute parts carry MSL 1 rating, meaning they do not require special moisture control handling during storage and assembly.

Q: Can KTR18EZPF5102 be used in high-voltage applications?

A: KTR18EZPF5102 features high-voltage construction and is suitable for high-voltage circuit applications. However, the 51 kOhms resistance value and 0.25W power rating remain unchanged. High-voltage capability refers to the component's dielectric strength and construction, not its electrical performance characteristics.

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