RC3216J680CS Equivalent & Substitute Parts Reference

Part Overview

The RC3216J680CS is a 68 Ohm ±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 ROHS3 compliance and unlimited moisture sensitivity level (MSL 1). The part is suitable for general-purpose applications requiring standard tolerance resistive elements in compact surface-mount form factors. Equivalent and substitute parts are identified based on matching electrical specifications, mechanical dimensions, and package compatibility to enable design flexibility and supply chain alternatives.

Key Parameters

Parameter	Value	Specification Basis
Resistance Value	68 Ohms	Core electrical specification
Tolerance	±5%	Accuracy classification
Power Rating	0.25W (1/4W)	Thermal dissipation capability
Package / Case	1206 (3216 Metric)	Physical form factor
Composition	Thick Film	Manufacturing technology
Temperature Coefficient	±100ppm/°C	Thermal stability
Operating Temperature Range	-55°C to 155°C	Environmental limits
RoHS Status	ROHS3 Compliant	Environmental regulation
Moisture Sensitivity Level	1 (Unlimited)	Handling and storage

Substitute Part Grouping Explanation

Substitute parts for the RC3216J680CS are categorized based on strict electrical and mechanical parameter matching:

Direct Equivalent (Same Tolerance ±5%):

RC1206JR-0768RL (YAGEO): Maintains ±5% tolerance specification with identical electrical performance and 1206 package compatibility.

Upgrade Substitutes (Enhanced Tolerance ±1%):

AC1206FR-0768RL (YAGEO)
CR1206-FX-68R0ELF (Bourns Inc.)
ERJ-8ENF68R0V (Panasonic Electronic Components)
KTR18EZPF68R0 (Rohm Semiconductor)
MCR18ERTF68R0 (Rohm Semiconductor)
RC1206FR-0768RL (YAGEO)
RMCF1206FT68R0 (Stackpole Electronics Inc)

These parts provide tighter tolerance (±1%) while maintaining 68 Ohm resistance, 0.25W power rating, 1206 package format, and -55°C to 155°C operating range. Several include automotive AEC-Q200 qualification.

Similar Parts (Same Tolerance ±5%, Alternative Features):

AC1206JR-0768RL (YAGEO): Maintains ±5% tolerance with automotive AEC-Q200 qualification
CRCW120668R0FKEA (Vishay Dale): ±1% tolerance with automotive AEC-Q200 qualification

Substitution eligibility is determined by: (1) identical resistance value (68 Ohms), (2) compatible tolerance (±5% minimum), (3) matching or exceeding power rating (0.25W), (4) identical package format (1206), (5) matching or lower temperature coefficient (±100ppm/°C), (6) overlapping or identical operating temperature range (-55°C to 155°C), and (7) ROHS3 compliance.

Parameter Comparison

Part Number	Manufacturer	Resistance	Tolerance	Power	Package	Temp Coeff	Op Temp Range	Product Status	RoHS
RC3216J680CS	Samsung Electro-Mechanics	68 Ω	±5%	0.25W	1206	±100ppm/°C	-55°C ~ 155°C	Active	ROHS3
RC1206JR-0768RL	YAGEO	68 Ω	±5%	0.25W	1206	±100ppm/°C	-55°C ~ 155°C	Active	ROHS3
AC1206FR-0768RL	YAGEO	68 Ω	±1%	0.25W	1206	±100ppm/°C	-55°C ~ 155°C	Active	ROHS3
CR1206-FX-68R0ELF	Bourns Inc.	68 Ω	±1%	0.25W	1206	±100ppm/°C	-55°C ~ 155°C	Active	ROHS3
ERJ-8ENF68R0V	Panasonic Electronic Components	68 Ω	±1%	0.25W	1206	±100ppm/°C	-55°C ~ 155°C	Not For New Designs	ROHS3
KTR18EZPF68R0	Rohm Semiconductor	68 Ω	±1%	0.25W	1206	±100ppm/°C	-55°C ~ 155°C	Active	ROHS3
MCR18ERTF68R0	Rohm Semiconductor	68 Ω	±1%	0.25W	1206	±100ppm/°C	-55°C ~ 155°C	Discontinued at DiGi Electronics	ROHS3
RC1206FR-0768RL	YAGEO	68 Ω	±1%	0.25W	1206	±100ppm/°C	-55°C ~ 155°C	Active	ROHS3
RMCF1206FT68R0	Stackpole Electronics Inc	68 Ω	±1%	0.25W	1206	±100ppm/°C	-55°C ~ 155°C	Active	ROHS3
AC1206JR-0768RL	YAGEO	68 Ω	±5%	0.25W	1206	±100ppm/°C	-55°C ~ 155°C	Active	ROHS3
CRCW120668R0FKEA	Vishay Dale	68 Ω	±1%	0.25W	1206	±100ppm/°C	-55°C ~ 155°C	Active	ROHS3

Engineering Selection Recommendations

For Direct Replacement (Identical Specifications): RC1206JR-0768RL (YAGEO) is the primary direct equivalent, maintaining ±5% tolerance and all electrical parameters of the RC3216J680CS. This part is Active status with full ROHS3 compliance and unlimited MSL rating.

For Enhanced Tolerance Applications: When circuit design permits tighter tolerance specifications, upgrade substitutes with ±1% tolerance are available:

RC1206FR-0768RL (YAGEO): Active status, highest inventory availability (47,856 pcs), moisture resistant thick film
CRCW120668R0FKEA (Vishay Dale): Active status, automotive AEC-Q200 qualified, 42,164 pcs inventory
RMCF1206FT68R0 (Stackpole Electronics Inc): Active status, automotive AEC-Q200 qualified, 37,268 pcs inventory
CR1206-FX-68R0ELF (Bourns Inc.): Active status, 27,142 pcs inventory
KTR18EZPF68R0 (Rohm Semiconductor): Active status, automotive AEC-Q200 qualified, high voltage rated

For Automotive Applications: Parts with AEC-Q200 qualification include AC1206FR-0768RL, AC1206JR-0768RL, ERJ-8ENF68R0V, KTR18EZPF68R0, RMCF1206FT68R0, and CRCW120668R0FKEA.

Parts to Avoid for New Designs:

ERJ-8ENF68R0V (Panasonic): Marked "Not For New Designs"
MCR18ERTF68R0 (Rohm): Discontinued at DiGi Electronics

All recommended substitutes maintain ROHS3 compliance, MSL 1 (unlimited) rating, and identical operating temperature range (-55°C to 155°C).

Frequently Asked Questions (FAQ)

Q: Can RC1206JR-0768RL replace RC3216J680CS in all applications? A: Yes. RC1206JR-0768RL is a direct equivalent with identical resistance (68 Ohms), tolerance (±5%), power rating (0.25W), package format (1206), temperature coefficient (±100ppm/°C), and operating range (-55°C to 155°C). Both are ROHS3 compliant with MSL 1 rating.

Q: What is the difference between ±5% and ±1% tolerance substitutes? A: Tolerance defines the acceptable deviation from the nominal 68 Ohm value. ±5% tolerance allows 64.6 to 71.4 Ohms; ±1% tolerance allows 67.32 to 68.68 Ohms. Upgrade substitutes with ±1% tolerance provide higher accuracy for precision circuits but are functionally interchangeable in applications accepting ±5% tolerance.

Q: Are all substitute parts compatible with the 1206 package footprint? A: All listed substitutes use the 1206 (3216 Metric) package format. Physical dimensions vary slightly (length 3.05mm to 3.20mm, width 1.55mm to 1.60mm, height 0.60mm to 0.75mm), but all are within standard 1206 PCB footprint tolerances and are mechanically compatible.

Q: Which substitute has the highest inventory availability? A: RC1206FR-0768RL (YAGEO) has the highest inventory with 47,856 pcs in stock, followed by CRCW120668R0FKEA (Vishay Dale) with 42,164 pcs.

Q: Can I use automotive AEC-Q200 qualified parts in non-automotive applications? A: Yes. AEC-Q200 qualification indicates enhanced reliability testing and is a superset of standard requirements. Parts with AEC-Q200 qualification are suitable for any application accepting standard specifications.

Q: Why is ERJ-8ENF68R0V marked "Not For New Designs"? A: This designation indicates the manufacturer has discontinued active promotion of this part for new circuit designs, though existing inventory may remain available. For new designs, select from Active status alternatives such as RC1206FR-0768RL, CRCW120668R0FKEA, or RMCF1206FT68R0.

Q: Are all substitutes ROHS3 compliant? A: Yes. All listed substitute parts maintain ROHS3 compliance and MSL 1 (unlimited) moisture sensitivity level, matching the environmental and handling requirements of the RC3216J680CS.

Q: What is the temperature coefficient specification and why does it matter? A: Temperature coefficient of ±100ppm/°C indicates the resistance value changes by approximately 0.01% per degree Celsius across the operating range. All listed parts share this specification, ensuring consistent thermal performance across -55°C to 155°C.

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