RC3216J514CS Equivalent & Substitute Parts Reference

Part Overview

The RC3216J514CS is a 510 kOhms ±5% 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 1071 pieces currently in stock. The part is ROHS3 compliant and features moisture-resistant construction suitable for general industrial and commercial applications operating across -55°C to 155°C temperature range.

Equivalent and substitute parts are identified based on matching electrical specifications (510 kOhms resistance value, 0.25W power rating, 1206 package), mechanical dimensions, and environmental compliance certifications. Substitutes include both direct equivalents with identical tolerance specifications and upgraded alternatives with improved tolerance or automotive-grade certifications.

Key Parameters

Parameter	Specification
Resistance Value	510 kOhms
Tolerance	±5%
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	1 (Unlimited)
RoHS Status	ROHS3 Compliant
Number of Terminations	2

Substitute Part Grouping Explanation

Substitute parts are classified into three categories based on substitution compatibility:

Direct Equivalents (Same Tolerance ±5%): Parts maintaining identical electrical specifications including 510 kOhms resistance and ±5% tolerance. These substitutes are electrically and mechanically interchangeable with the RC3216J514CS without circuit redesign or performance impact.

Upgraded Alternatives (±1% Tolerance): Parts with improved tolerance specification (±1% versus ±5%) while maintaining 510 kOhms resistance, 0.25W power rating, and 1206 package. These provide enhanced precision and may include automotive AEC-Q200 certification or high-voltage features. Upgraded parts are backward-compatible substitutes suitable for applications requiring tighter tolerance control.

Similar Parts (Same Tolerance, Different Features): Parts matching ±5% tolerance and core electrical specifications but incorporating additional certifications such as automotive AEC-Q200 qualification. These maintain functional equivalence while offering enhanced reliability for specific application environments.

Substitution logic is based strictly on the following parameters:

Resistance value: 510 kOhms (exact match required)
Power rating: 0.25W (exact match required)
Package format: 1206 (3216 Metric) (exact match required)
Temperature coefficient: ±100ppm/°C (exact match required)
Operating temperature range: -55°C to 155°C (exact match required)
Moisture sensitivity: MSL 1 (exact match required)
RoHS compliance: ROHS3 (exact match required)

Parameter Comparison

Manufacturer Part Number	Manufacturer	Resistance	Tolerance	Power (W)	Package	Temp Coeff	Op. Temp Range	Features	Product Status
RC3216J514CS	Samsung Electro-Mechanics	510 kOhms	±5%	0.25W	1206	±100ppm/°C	-55°C ~ 155°C	Moisture Resistant	Active
RC1206JR-07510KL	YAGEO	510 kOhms	±5%	0.25W	1206	±100ppm/°C	-55°C ~ 155°C	Moisture Resistant	Active
AC1206FR-07510KL	YAGEO	510 kOhms	±1%	0.25W	1206	±100ppm/°C	-55°C ~ 155°C	Automotive AEC-Q200, Moisture Resistant	Active
CR1206-FX-5103ELF	Bourns Inc.	510 kOhms	±1%	0.25W	1206	±100ppm/°C	-55°C ~ 155°C	Moisture Resistant	Active
ERJ-8ENF5103V	Panasonic Electronic Components	510 kOhms	±1%	0.25W	1206	±100ppm/°C	-55°C ~ 155°C	Automotive AEC-Q200	Not For New Designs
KTR18EZPF5103	Rohm Semiconductor	510 kOhms	±1%	0.25W	1206	±100ppm/°C	-55°C ~ 155°C	Automotive AEC-Q200, High Voltage	Active
RC1206FR-07510KL	YAGEO	510 kOhms	±1%	0.25W	1206	±100ppm/°C	-55°C ~ 155°C	Moisture Resistant	Active
RMCF1206FT510K	Stackpole Electronics Inc	510 kOhms	±1%	0.25W	1206	±100ppm/°C	-55°C ~ 155°C	Automotive AEC-Q200	Active
AC1206JR-07510KL	YAGEO	510 kOhms	±5%	0.25W	1206	±100ppm/°C	-55°C ~ 155°C	Automotive AEC-Q200, Moisture Resistant	Active
CRCW1206510KFKEA	Vishay Dale	510 kOhms	±1%	0.25W	1206	±100ppm/°C	-55°C ~ 155°C	Automotive AEC-Q200	Active

Engineering Selection Recommendations

Direct Equivalent Selection: RC1206JR-07510KL (YAGEO) serves as the primary direct equivalent, maintaining identical ±5% tolerance and moisture-resistant thick film construction. Both parts are Active status with equivalent inventory availability and ROHS3 compliance.

Upgraded Tolerance Selection: For applications requiring improved precision, AC1206FR-07510KL, CR1206-FX-5103ELF, RC1206FR-07510KL, RMCF1206FT510K, and CRCW1206510KFKEA provide ±1% tolerance while maintaining all other electrical and mechanical specifications. These parts are suitable for direct substitution in circuits where tighter tolerance control enhances performance.

Automotive-Grade Selection: AC1206FR-07510KL (YAGEO), RMCF1206FT510K (Stackpole), CRCW1206510KFKEA (Vishay Dale), and KTR18EZPF5103 (Rohm) incorporate AEC-Q200 automotive qualification. These parts are appropriate for automotive and high-reliability applications requiring automotive-grade component certification.

Active Product Status Priority: All recommended substitutes except ERJ-8ENF5103V maintain Active product status. ERJ-8ENF5103V is classified as "Not For New Designs" and should be avoided for new circuit development.

Compliance Verification: All substitute parts maintain ROHS3 compliance, MSL 1 moisture sensitivity rating, and identical operating temperature range (-55°C to 155°C), ensuring regulatory and environmental compatibility with the original RC3216J514CS specification.

Frequently Asked Questions (FAQ)

Q: Can RC1206JR-07510KL replace RC3216J514CS directly in existing circuits?

A: Yes. RC1206JR-07510KL is a direct equivalent with identical 510 kOhms resistance, ±5% tolerance, 0.25W power rating, and 1206 package format. Both parts feature moisture-resistant thick film construction and operate across -55°C to 155°C. No circuit modification is required.

Q: What is the difference between ±5% and ±1% tolerance substitutes?

A: Tolerance specification defines the maximum deviation from the nominal 510 kOhms resistance value. ±5% tolerance allows resistance between 484.5 kOhms and 535.5 kOhms. ±1% tolerance restricts resistance between 504.9 kOhms and 515.1 kOhms. Upgraded ±1% parts provide tighter resistance control suitable for precision analog circuits, filtering networks, and measurement applications where tolerance stack-up must be minimized.

Q: Are automotive AEC-Q200 parts backward-compatible with non-automotive applications?

A: Yes. Automotive AEC-Q200 certified parts (AC1206FR-07510KL, RMCF1206FT510K, CRCW1206510KFKEA, KTR18EZPF5103) meet enhanced reliability and qualification standards but are electrically and mechanically compatible with general industrial applications. These parts can be substituted in non-automotive circuits without performance degradation.

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

A: ERJ-8ENF5103V carries "Not For New Designs" product status, indicating the manufacturer recommends against using this part in new circuit development. While electrically equivalent, this designation suggests potential discontinuation or transition to alternative products. For new designs, select from Active status alternatives such as KTR18EZPF5103, AC1206FR-07510KL, or CRCW1206510KFKEA.

Q: Does package dimension variation affect PCB layout compatibility?

A: All substitute parts use 1206 (3216 Metric) package format with identical footprint requirements. Minor dimensional variations exist in seated height (0.024" to 0.030" maximum), but these do not affect PCB layout, reflow soldering, or component placement. Standard 1206 footprints accommodate all listed substitutes without modification.

Q: Which substitute offers the best inventory availability?

A: KTR18EZPF5103 (Rohm Semiconductor) provides the highest inventory with 83,527 pieces in stock. RC1206JR-07510KL (YAGEO) offers 80,300 pieces. Both parts are suitable for high-volume production requirements with immediate availability.

Q: Can I use CRCW1206510KFKEA in high-temperature applications?

A: Yes. CRCW1206510KFKEA maintains the same -55°C to 155°C operating temperature range as RC3216J514CS. Temperature coefficient specification (±100ppm/°C) is identical across all substitute parts, ensuring equivalent thermal stability and performance across the full operating range.

Q: What is the significance of "High Voltage" feature in KTR18EZPF5103?

A: KTR18EZPF5103 incorporates high-voltage construction, indicating enhanced dielectric strength and voltage handling capability. This feature does not affect basic resistance, tolerance, or power rating specifications but provides additional margin for applications involving elevated voltage stress or transient conditions.

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