RC3216J683CS Equivalent & Substitute Parts Reference

Part Overview

The RC3216J683CS is a 68 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 1061 pieces currently in stock. The part is ROHS3 compliant with MSL 1 (Unlimited) moisture sensitivity rating, suitable for applications requiring moisture-resistant thick film construction across the -55°C to 155°C operating temperature range.

Equivalent and substitute parts are identified based on matching electrical specifications (68 kOhms resistance, 0.25W power rating, 1206 package), mechanical dimensions, and environmental compliance certifications. Substitutes are categorized as direct equivalents (matching tolerance and features) or upgrades (enhanced tolerance or automotive qualification).

Key Parameters

Parameter	Value	Specification Basis
Resistance Value	68 kOhms	Primary electrical specification
Tolerance	±5%	Accuracy classification for substitution
Power Rating	0.25W (1/4W)	Thermal dissipation capability
Package / Case	1206 (3216 Metric)	Physical form factor and PCB compatibility
Composition	Thick Film	Manufacturing technology
Temperature Coefficient	±100ppm/°C	Stability over temperature range
Operating Temperature Range	-55°C to 155°C	Environmental operating limits
RoHS Status	ROHS3 Compliant	Environmental and regulatory compliance
Moisture Sensitivity Level	MSL 1 (Unlimited)	Moisture handling and storage requirements

Substitute Part Grouping Explanation

Substitution logic for the RC3216J683CS is based on the following allowed parameters:

Primary Matching Criteria:

Resistance value: 68 kOhms (exact match required)
Power rating: 0.25W / 1/4W (exact match required)
Package format: 1206 (3216 Metric) (exact match required)
Composition: Thick Film (exact match required)
Temperature coefficient: ±100ppm/°C (exact match required)
Operating temperature range: -55°C to 155°C (exact match required)
RoHS compliance: ROHS3 Compliant (exact match required)
MSL rating: 1 (Unlimited) (exact match required)

Secondary Matching Criteria:

Tolerance: ±5% (direct equivalent) or ±1% (upgrade substitute)
Features: Moisture Resistant (standard), Automotive AEC-Q200 (upgrade feature)
Packaging format: Tape & Reel (TR) or Cut Tape (CT) & Digi-Reel® (logistics variation)

Substitute parts are organized into two categories:

Direct Equivalents: Matching all primary criteria and ±5% tolerance. These parts are functionally interchangeable without circuit redesign.
Upgrade Substitutes: Matching all primary criteria with enhanced ±1% tolerance and/or automotive AEC-Q200 qualification. These parts provide improved performance characteristics while maintaining backward compatibility.

Parameter Comparison

Manufacturer Part Number	Manufacturer	Resistance	Tolerance	Power (W)	Package	Temp Coeff	Op Temp Range	Features	RoHS	MSL	Product Status
RC3216J683CS	Samsung Electro-Mechanics	68 kΩ	±5%	0.25	1206	±100ppm/°C	-55 to 155°C	Moisture Resistant	ROHS3	1	Active
RC1206JR-0768KL	YAGEO	68 kΩ	±5%	0.25	1206	±100ppm/°C	-55 to 155°C	Moisture Resistant	ROHS3	1	Active
AC1206FR-0768KL	YAGEO	68 kΩ	±1%	0.25	1206	±100ppm/°C	-55 to 155°C	Automotive AEC-Q200, Moisture Resistant	ROHS3	1	Active
CR1206-FX-6802ELF	Bourns Inc.	68 kΩ	±1%	0.25	1206	±100ppm/°C	-55 to 155°C	Moisture Resistant	ROHS3	1	Active
CRG1206F68K	TE Connectivity Passive Product	68 kΩ	±1%	0.25	1206	±100ppm/°C	-55 to 155°C	—	ROHS3	1	Active
ERJ-8ENF6802V	Panasonic Electronic Components	68 kΩ	±1%	0.25	1206	±100ppm/°C	-55 to 155°C	Automotive AEC-Q200	ROHS3	1	Not For New Designs
KTR18EZPF6802	Rohm Semiconductor	68 kΩ	±1%	0.25	1206	±100ppm/°C	-55 to 155°C	Automotive AEC-Q200, High Voltage	ROHS3	1	Active
MCR18ERTF6802	Rohm Semiconductor	68 kΩ	±1%	0.25	1206	±100ppm/°C	-55 to 155°C	—	ROHS3	1	Discontinued at DiGi Electronics
RC1206FR-0768KL	YAGEO	68 kΩ	±1%	0.25	1206	±100ppm/°C	-55 to 155°C	Moisture Resistant	ROHS3	1	Active
RMCF1206FT68K0	Stackpole Electronics Inc	68 kΩ	±1%	0.25	1206	±100ppm/°C	-55 to 155°C	Automotive AEC-Q200	ROHS3	1	Active
AC1206JR-0768KL	YAGEO	68 kΩ	±5%	0.25	1206	±100ppm/°C	-55 to 155°C	Automotive AEC-Q200, Moisture Resistant	ROHS3	1	Active

Engineering Selection Recommendations

Direct Equivalent Selection (±5% Tolerance):

RC1206JR-0768KL (YAGEO) is the primary direct equivalent to RC3216J683CS. Both parts share identical electrical specifications (68 kOhms ±5%, 0.25W), package format (1206), temperature coefficient (±100ppm/°C), operating range (-55°C to 155°C), and environmental compliance (ROHS3, MSL 1). The primary difference is packaging format: RC1206JR-0768KL is supplied in Tape & Reel format with 136,460 pieces in stock, compared to the main part's standard packaging. This substitute is suitable for applications where the original part is unavailable and tolerance specification permits ±5% accuracy.

AC1206JR-0768KL (YAGEO) is a similar-category substitute matching all primary specifications with ±5% tolerance. This part adds Automotive AEC-Q200 qualification and moisture resistance features. Product status is Active with 3,449 pieces in stock. Selection of this part is appropriate when automotive-grade reliability is required within the same tolerance specification.

Upgrade Substitute Selection (±1% Tolerance):

RC1206FR-0768KL (YAGEO) provides ±1% tolerance upgrade while maintaining all other specifications identical to the main part. This part is Active status with 55,962 pieces in stock. The enhanced tolerance specification reduces circuit accuracy uncertainty by a factor of five compared to the original ±5% specification. Selection is appropriate when circuit design requires improved resistor accuracy without changing package or thermal characteristics.

AC1206FR-0768KL (YAGEO) combines ±1% tolerance with Automotive AEC-Q200 qualification. This part is Active status with 5,032 pieces in stock. Selection is appropriate for automotive applications requiring both enhanced accuracy and automotive-grade reliability.

RMCF1206FT68K0 (Stackpole Electronics Inc) provides ±1% tolerance with Automotive AEC-Q200 qualification. This part is Active status with 44,296 pieces in stock and represents a high-availability upgrade option for automotive applications.

CR1206-FX-6802ELF (Bourns Inc.) offers ±1% tolerance with moisture-resistant features. This part is Active status with 32,299 pieces in stock. Selection is appropriate for non-automotive applications requiring improved accuracy.

CRG1206F68K (TE Connectivity Passive Product) provides ±1% tolerance in the Neohm series. This part is Active status with 20,418 pieces in stock. Selection is appropriate when TE Connectivity component standardization is required.

KTR18EZPF6802 (Rohm Semiconductor) combines ±1% tolerance with Automotive AEC-Q200 qualification and high-voltage features. This part is Active status with 12,128 pieces in stock. Selection is appropriate for high-voltage automotive applications.

Parts Not Recommended for New Designs:

ERJ-8ENF6802V (Panasonic Electronic Components) carries "Not For New Designs" product status despite meeting all electrical and compliance specifications. This part should not be selected for new circuit designs, although it may be used for legacy system maintenance or repair applications where component continuity is required.

MCR18ERTF6802 (Rohm Semiconductor) is listed as "Discontinued at DiGi Electronics" with only 990 pieces in stock. This part should not be selected for new designs due to limited availability and discontinued status.

Frequently Asked Questions (FAQ)

Q: Can RC1206JR-0768KL directly replace RC3216J683CS in existing circuits?

A: Yes. RC1206JR-0768KL is a direct equivalent meeting all primary specifications: 68 kOhms ±5% resistance, 0.25W power rating, 1206 package format, ±100ppm/°C temperature coefficient, -55°C to 155°C operating range, ROHS3 compliance, and MSL 1 rating. The only difference is packaging format (Tape & Reel vs. standard). No circuit redesign is required.

Q: What is the difference between direct equivalents and upgrade substitutes?

A: Direct equivalents match the original part's tolerance specification (±5%) and features. Upgrade substitutes provide enhanced tolerance (±1%) or additional certifications (Automotive AEC-Q200) while maintaining all other specifications. Upgrade substitutes are backward compatible but offer improved performance characteristics. Circuit redesign is not required when upgrading, but the improved accuracy may benefit circuit performance.

Q: Can I use a ±1% tolerance part in place of a ±5% tolerance specification?

A: Yes. A ±1% tolerance part is a strict superset of ±5% tolerance requirements. Any circuit designed to accept ±5% tolerance will function correctly with ±1% tolerance components. The tighter tolerance provides improved circuit accuracy without introducing incompatibility.

Q: Are Automotive AEC-Q200 qualified parts suitable for non-automotive applications?

A: Yes. Automotive AEC-Q200 qualification represents enhanced reliability testing and quality standards. Parts meeting AEC-Q200 are suitable for any application, including non-automotive circuits. Selection of AEC-Q200 qualified parts is optional unless automotive-grade reliability is specifically required.

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

A: MSL 1 rating indicates the component has unlimited shelf life and requires no special moisture control during storage or handling. This is the least restrictive moisture sensitivity level. All substitute parts listed carry MSL 1 rating, ensuring identical moisture handling requirements.

Q: Does package format (Tape & Reel vs. Cut Tape) affect electrical performance?

A: No. Package format (Tape & Reel or Cut Tape & Digi-Reel) affects only logistics, handling, and assembly processes. Electrical specifications, performance, and reliability are identical regardless of packaging format. Selection between packaging formats depends on assembly equipment compatibility and procurement requirements.

Q: Why are some parts listed as "Not For New Designs"?

A: "Not For New Designs" status indicates the manufacturer has discontinued active development and support for that part number. While the part may still function correctly, manufacturers no longer guarantee long-term availability or support. New circuit designs should select parts with "Active" product status to ensure long-term component availability and manufacturer support.

Q: Can I mix different substitute parts in the same circuit?

A: Yes. All listed substitute parts meet identical electrical specifications and environmental compliance requirements. Mixing different manufacturers' parts in the same circuit is acceptable from an electrical and functional perspective. However, procurement and quality control processes may require standardization on a single part number per circuit design.

Q: What is the temperature coefficient specification and why does it matter?

A: Temperature coefficient ±100ppm/°C specifies how much the resistance value changes with temperature. All listed parts share this specification. Over the -55°C to 155°C operating range (210°C span), resistance variation is approximately ±2.1% due to temperature effects. This specification is identical across all substitute parts, ensuring consistent circuit behavior across the operating temperature range.

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