RC3216J305CS Equivalent & Substitute Parts Reference

Part Overview

The RC3216J305CS is a 3 MOhms ±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 857 units in current inventory. The RC3216J305CS serves as a standard general-purpose resistor for applications requiring moisture-resistant thick film construction across industrial temperature ranges. Equivalent and substitute parts are identified to support design flexibility, supply chain continuity, and performance optimization across multiple manufacturer options.

Key Parameters

Parameter	Value
Resistance	3 MOhms
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 ~ 155°C
Moisture Sensitivity Level	1 (Unlimited)
RoHS Status	ROHS3 Compliant

Substitute Part Grouping Explanation

Substitution eligibility for the RC3216J305CS is determined by strict alignment with the following core parameters: resistance value (3 MOhms), package format (1206/3216 Metric), power rating (0.25W), composition (thick film), operating temperature range (-55°C ~ 155°C), and compliance certifications (ROHS3, REACH Unaffected, EAR99).

Direct Substitutes (Identical Specifications): Parts meeting all core parameters with tolerance ±5% and temperature coefficient ±100ppm/°C are classified as direct substitutes. These include RC1206JR-073ML (YAGEO) and MCR18ERTJ305 (Rohm Semiconductor). Direct substitutes maintain functional equivalence without performance trade-offs.

Upgraded Substitutes (Enhanced Tolerance): Parts with identical resistance, package, power rating, and operating temperature but improved tolerance (±1% vs ±5%) are classified as upgrades. These include RC1206FR-073ML, RCV12063M00FKEA, AC1206FR-073ML, KTR18EZPF3004, and RV1206FR-073ML. Upgraded substitutes provide tighter tolerance specifications suitable for precision applications.

Similar Substitutes (Automotive Qualified): CRCW12063M00FKEA (Vishay Dale) meets all core parameters with AEC-Q200 automotive qualification and ±1% tolerance, suitable for automotive and high-reliability applications.

Parameter Comparison

Manufacturer Part Number	Manufacturer	Resistance	Tolerance	Power (W)	Temp Coeff (ppm/°C)	Operating Temp (°C)	Package	Features	Product Status
RC3216J305CS	Samsung Electro-Mechanics	3 MOhms	±5%	0.25	±100	-55 ~ 155	1206	Moisture Resistant	Active
RC1206JR-073ML	YAGEO	3 MOhms	±5%	0.25	±100	-55 ~ 155	1206	Moisture Resistant	Active
MCR18ERTJ305	Rohm Semiconductor	3 MOhms	±5%	0.25	±200	-55 ~ 155	1206	None	Discontinued at DiGi Electronics
RC1206FR-073ML	YAGEO	3 MOhms	±1%	0.25	±100	-55 ~ 155	1206	Moisture Resistant	Active
RCV12063M00FKEA	Vishay Dale	3 MOhms	±1%	0.25	±100	-55 ~ 155	1206	High Voltage	Active
AC1206FR-073ML	YAGEO	3 MOhms	±1%	0.25	±100	-55 ~ 155	1206	Automotive AEC-Q200, Moisture Resistant	Active
KTR18EZPF3004	Rohm Semiconductor	3 MOhms	±1%	0.25	±100	-55 ~ 155	1206	Automotive AEC-Q200, High Voltage	Active
RV1206FR-073ML	YAGEO	3 MOhms	±1%	0.25	±200	-55 ~ 155	1206	Automotive AEC-Q200, High Voltage	Active
CRCW12063M00FKEA	Vishay Dale	3 MOhms	±1%	0.25	±100	-55 ~ 155	1206	Automotive AEC-Q200	Active

Engineering Selection Recommendations

For Direct Replacement (Identical Performance): RC1206JR-073ML (YAGEO) is the primary direct substitute, offering identical electrical specifications with ±5% tolerance and ±100ppm/°C temperature coefficient. This part maintains full functional equivalence with 4,785 units in inventory.

For Precision Applications: RC1206FR-073ML (YAGEO) provides upgraded ±1% tolerance while maintaining moisture-resistant features and ±100ppm/°C temperature coefficient. This part is suitable for applications requiring tighter resistance accuracy with 56,279 units available.

For Automotive Applications: AC1206FR-073ML (YAGEO) and KTR18EZPF3004 (Rohm Semiconductor) both carry AEC-Q200 automotive qualification with ±1% tolerance. AC1206FR-073ML emphasizes moisture resistance, while KTR18EZPF3004 emphasizes high voltage capability. KTR18EZPF3004 has the highest inventory availability at 107,085 units.

For High Voltage Applications: RCV12063M00FKEA (Vishay Dale) and RV1206FR-073ML (YAGEO) feature high voltage thick film construction. RCV12063M00FKEA offers ±100ppm/°C temperature coefficient, while RV1206FR-073ML includes AEC-Q200 automotive qualification with ±200ppm/°C temperature coefficient.

Avoid: MCR18ERTJ305 (Rohm Semiconductor) is discontinued at DiGi Electronics and carries ±200ppm/°C temperature coefficient, making it unsuitable for new designs despite matching core specifications.

Frequently Asked Questions (FAQ)

Q: Can RC1206JR-073ML directly replace RC3216J305CS? A: Yes. RC1206JR-073ML matches all core electrical parameters: 3 MOhms resistance, ±5% tolerance, 0.25W power rating, 1206 package, thick film composition, -55°C to 155°C operating range, and ROHS3 compliance. Both feature moisture-resistant construction and identical temperature coefficient (±100ppm/°C).

Q: What is the difference between ±5% and ±1% tolerance substitutes? A: Tolerance specifies the maximum deviation from the nominal resistance value. ±5% tolerance allows ±150 kOhms deviation from 3 MOhms, while ±1% tolerance allows ±30 kOhms deviation. Applications requiring precise resistance values should use ±1% parts such as RC1206FR-073ML or CRCW12063M00FKEA.

Q: Are automotive-qualified parts (AEC-Q200) compatible with non-automotive applications? A: Yes. AEC-Q200 qualified parts such as AC1206FR-073ML and KTR18EZPF3004 exceed standard reliability requirements and are fully compatible with non-automotive applications. These parts provide enhanced quality assurance without functional restrictions.

Q: What does "High Voltage" feature indicate? A: High voltage thick film construction (RCV12063M00FKEA, RV1206FR-073ML, KTR18EZPF3004) indicates enhanced dielectric strength and voltage handling capability within the 1206 package format. These parts are suitable for circuits operating at elevated voltage levels while maintaining the same 0.25W power rating.

Q: Does package size vary among substitutes? A: All listed substitutes use 1206 (3216 Metric) package format with identical footprint dimensions (0.126" L x 0.063" W / 3.20mm x 1.60mm nominal). Minor dimensional variations exist in length (0.120" to 0.126") and height (0.024" to 0.026"), but all parts are PCB-compatible within standard 1206 land patterns.

Q: Which substitute has the highest inventory availability? A: KTR18EZPF3004 (Rohm Semiconductor) has 107,085 units in stock, providing maximum supply security for high-volume applications.

Q: Can I use CRCW12063M00FKEA in place of RC3216J305CS? A: Yes. CRCW12063M00FKEA matches all core parameters with upgraded ±1% tolerance and AEC-Q200 automotive qualification. The primary difference is improved tolerance accuracy and automotive-grade reliability.

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