RC3216F514CS Equivalent & Substitute Parts Reference

Part Overview

The RC3216F514CS is a 510 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 1047 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 environmental ratings to ensure direct functional interchangeability in circuit designs.

Key Parameters

Parameter	Specification
Resistance Value	510 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

Substitution eligibility for the RC3216F514CS is determined by strict equivalence across the following critical parameters:

Electrical Equivalence Requirements:

Resistance value: 510 kOhms (exact match)
Tolerance: ±1% (exact match)
Power rating: 0.25W / 1/4W (exact match)
Temperature coefficient: ±100ppm/°C (exact match)
Operating temperature range: -55°C to 155°C (exact match)

Mechanical Equivalence Requirements:

Package type: 1206 (3216 Metric) (exact match)
Composition: Thick Film (exact match)
Number of terminations: 2 (exact match)

Compliance Requirements:

RoHS3 compliance (mandatory)
Moisture Sensitivity Level 1 (Unlimited) (mandatory)

All substitute parts listed below meet these criteria. Variations in physical dimensions (length, width, height) within standard manufacturing tolerances do not affect functional interchangeability. Differences in product status, packaging format (Tape & Reel vs. Cut Tape), or additional features (automotive AEC-Q200 certification, high voltage capability) represent enhancements or application-specific qualifications that do not prevent substitution.

Parameter Comparison

Manufacturer Part Number	Manufacturer	Resistance	Tolerance	Power (W)	Package	Temp Coeff	Op. Temp Range	Composition	RoHS	MSL	Product Status
RC3216F514CS	Samsung Electro-Mechanics	510 kΩ	±1%	0.25	1206	±100ppm/°C	-55 to 155°C	Thick Film	ROHS3	1	Active
CR1206-FX-5103ELF	Bourns Inc.	510 kΩ	±1%	0.25	1206	±100ppm/°C	-55 to 155°C	Thick Film	ROHS3	1	Active
CRG1206F510K	TE Connectivity Passive Product	510 kΩ	±1%	0.25	1206	±100ppm/°C	-55 to 155°C	Thick Film	ROHS3	1	Active
ERJ-8ENF5103V	Panasonic Electronic Components	510 kΩ	±1%	0.25	1206	±100ppm/°C	-55 to 155°C	Thick Film	ROHS3	1	Not For New Designs
RC1206FR-07510KL	YAGEO	510 kΩ	±1%	0.25	1206	±100ppm/°C	-55 to 155°C	Thick Film	ROHS3	1	Active
RMCF1206FT510K	Stackpole Electronics Inc	510 kΩ	±1%	0.25	1206	±100ppm/°C	-55 to 155°C	Thick Film	ROHS3	1	Active
AC1206FR-07510KL	YAGEO	510 kΩ	±1%	0.25	1206	±100ppm/°C	-55 to 155°C	Thick Film	ROHS3	1	Active
CRCW1206510KFKEA	Vishay Dale	510 kΩ	±1%	0.25	1206	±100ppm/°C	-55 to 155°C	Thick Film	ROHS3	1	Active
KTR18EZPF5103	Rohm Semiconductor	510 kΩ	±1%	0.25	1206	±100ppm/°C	-55 to 155°C	Thick Film	ROHS3	1	Active

Engineering Selection Recommendations

Primary Selection Criteria:

All listed substitute parts are electrically and mechanically equivalent to the RC3216F514CS. Selection among alternatives should be based on the following factors:

Product Status Consideration: The ERJ-8ENF5103V (Panasonic) carries a "Not For New Designs" status. While functionally equivalent, this part should be avoided for new circuit designs. Preference should be given to parts with Active status: CR1206-FX-5103ELF (Bourns), CRG1206F510K (TE Connectivity), RC1206FR-07510KL (YAGEO), RMCF1206FT510K (Stackpole), AC1206FR-07510KL (YAGEO), CRCW1206510KFKEA (Vishay Dale), and KTR18EZPF5103 (Rohm).

Compliance and Certification: All substitute parts are ROHS3 compliant and REACH unaffected. Parts with automotive AEC-Q200 certification (ERJ-8ENF5103V, RMCF1206FT510K, AC1206FR-07510KL, CRCW1206510KFKEA, KTR18EZPF5103) provide additional qualification for automotive applications but are equally suitable for general industrial use.

Inventory and Availability: KTR18EZPF5103 (Rohm) offers the highest inventory level at 83,527 pieces. CR1206-FX-5103ELF (Bourns) provides 50,872 pieces. These options support high-volume production requirements.

Packaging Format: CR1206-FX-5103ELF, CRG1206F510K, ERJ-8ENF5103V, RMCF1206FT510K, AC1206FR-07510KL, CRCW1206510KFKEA, and KTR18EZPF5103 are supplied in Tape & Reel format suitable for automated assembly. RC1206FR-07510KL is available in Cut Tape & Digi-Reel format for lower-volume applications.

Frequently Asked Questions (FAQ)

Q: Can I substitute RC3216F514CS with any of the listed parts without circuit redesign?

A: Yes. All listed parts meet identical electrical specifications (510 kΩ ±1%, 0.25W, ±100ppm/°C, -55°C to 155°C) and mechanical requirements (1206 package, thick film composition, 2 terminations). Direct substitution is functionally equivalent.

Q: What is the difference between "Direct," "Similar," and other classification labels?

A: Classification labels indicate the relationship type in the original manufacturer documentation. All parts listed are electrically and mechanically equivalent regardless of classification. The labels do not affect substitution eligibility.

Q: Why is ERJ-8ENF5103V marked "Not For New Designs"?

A: This designation indicates the manufacturer has discontinued active development for this part. While the part remains functionally equivalent and available in inventory (55,222 pieces), it should not be selected for new circuit designs. Active-status alternatives are preferred for long-term design stability.

Q: Does AEC-Q200 automotive certification affect general industrial use?

A: No. AEC-Q200 certification represents additional qualification testing for automotive applications. Parts with this certification (RMCF1206FT510K, AC1206FR-07510KL, CRCW1206510KFKEA, KTR18EZPF5103) are fully compatible with general industrial applications and offer enhanced reliability documentation.

Q: Are there physical dimension differences between substitute parts?

A: Minor variations exist within standard manufacturing tolerances. Length ranges from 0.122" to 0.126" (3.10mm to 3.20mm), width is 0.061" to 0.063" (1.55mm to 1.60mm), and height ranges from 0.024" to 0.030" (0.60mm to 0.75mm). These variations do not affect PCB layout compatibility or functional performance in standard 1206 footprints.

Q: Which substitute part offers the best inventory availability?

A: KTR18EZPF5103 (Rohm Semiconductor) provides the highest inventory at 83,527 pieces, followed by CR1206-FX-5103ELF (Bourns) at 50,872 pieces. Both support high-volume production schedules.

Q: Can I mix different manufacturers' parts in the same production batch?

A: Yes. All listed parts are electrically and mechanically equivalent. Mixed sourcing is acceptable from a functional standpoint. However, manufacturing processes and material compositions may introduce minor variations in appearance or performance characteristics. Consistency within a single production batch is recommended for quality control purposes.

Q: What does Moisture Sensitivity Level 1 mean?

A: MSL 1 indicates unlimited shelf life without moisture control requirements. The component does not require special dry-pack storage or baking procedures before soldering, simplifying inventory management and assembly processes.

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