RCS3216F621CS Equivalent & Substitute Parts Reference

Part Overview

The RCS3216F621CS is a 620 Ohm ±1% 0.25W (1/4W) thick film chip resistor manufactured by Samsung Electro-Mechanics in the 1206 (3216 Metric) package. This component is classified as Active product status with anti-sulfur and moisture-resistant characteristics. The part operates across a temperature range of -55°C to 155°C with a temperature coefficient of ±100ppm/°C.

Equivalent and substitute parts are necessary when the primary part experiences supply constraints, extended lead times, or when design requirements necessitate alternative manufacturer options while maintaining electrical and mechanical compatibility.

Key Parameters

Parameter	Value
Resistance	620 Ohms
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 ~ 155°C
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)
Number of Terminations	2

Substitute Part Grouping Explanation

Substitution eligibility for the RCS3216F621CS is determined by strict equivalence across the following critical parameters:

Mandatory Matching Parameters:

Resistance value: 620 Ohms
Tolerance: ±1%
Package / Case: 1206 (3216 Metric)
Composition: Thick Film
Temperature Coefficient: ±100ppm/°C
Operating Temperature Range: -55°C ~ 155°C
Number of Terminations: 2
RoHS Status: ROHS3 Compliant
Moisture Sensitivity Level: 1 (Unlimited)

Power Rating Consideration: The primary part is rated at 0.25W (1/4W). Substitute parts must match this power rating exactly, with the exception of CRCW1206620RFKEAHP, which is rated at 0.75W (3/4W) and represents an upgraded alternative for applications requiring higher pulse withstanding capability.

All identified substitute parts meet the mandatory matching parameters and are electrically and mechanically interchangeable with the RCS3216F621CS in standard applications.

Parameter Comparison

Manufacturer Part Number	Manufacturer	Resistance	Tolerance	Power (Watts)	Package	Composition	Temp Coeff	Operating Temp	Product Status	RoHS	MSL
RCS3216F621CS	Samsung Electro-Mechanics	620 Ohms	±1%	0.25W	1206	Thick Film	±100ppm/°C	-55°C ~ 155°C	Active	ROHS3	1
AC1206FR-07620RL	YAGEO	620 Ohms	±1%	0.25W	1206	Thick Film	±100ppm/°C	-55°C ~ 155°C	Active	ROHS3	1
CR1206-FX-6200ELF	Bourns Inc.	620 Ohms	±1%	0.25W	1206	Thick Film	±100ppm/°C	-55°C ~ 155°C	Active	ROHS3	1
CRCW1206620RFKEA	Vishay Dale	620 Ohms	±1%	0.25W	1206	Thick Film	±100ppm/°C	-55°C ~ 155°C	Active	ROHS3	1
CRCW1206620RFKEAHP	Vishay Dale	620 Ohms	±1%	0.75W	1206	Thick Film	±100ppm/°C	-55°C ~ 155°C	Active	ROHS3	1
ERJ-8ENF6200V	Panasonic Electronic Components	620 Ohms	±1%	0.25W	1206	Thick Film	±100ppm/°C	-55°C ~ 155°C	Not For New Designs	ROHS3	1
RC1206FR-07620RL	YAGEO	620 Ohms	±1%	0.25W	1206	Thick Film	±100ppm/°C	-55°C ~ 155°C	Active	ROHS3	1

Engineering Selection Recommendations

Primary Substitutes (Active Status, Direct Equivalents):

For applications requiring direct electrical and mechanical equivalence with Active product status, the following parts are suitable:

AC1206FR-07620RL (YAGEO): Active status with AEC-Q200 automotive qualification. Inventory availability: 11,243 units.
CR1206-FX-6200ELF (Bourns Inc.): Active status with moisture-resistant characteristics. Inventory availability: 20,556 units.
CRCW1206620RFKEA (Vishay Dale): Active status with AEC-Q200 automotive qualification. Inventory availability: 19,093 units.
RC1206FR-07620RL (YAGEO): Active status with moisture-resistant characteristics. Highest inventory availability: 132,517 units.

Upgraded Alternative (Higher Power Rating):

CRCW1206620RFKEAHP (Vishay Dale): Active status with 0.75W power rating and pulse withstanding capability. This part is suitable for applications requiring enhanced power dissipation or pulse tolerance while maintaining the same resistance and tolerance specifications. Inventory availability: 5,761 units.

Legacy Alternative (Not For New Designs):

ERJ-8ENF6200V (Panasonic Electronic Components): Marked as "Not For New Designs." This part meets all electrical and mechanical specifications but should not be selected for new design implementations. Suitable only for legacy system maintenance or replacement scenarios. Inventory availability: 39,384 units.

Compliance Considerations:

All substitute parts are ROHS3 compliant and REACH unaffected, matching the environmental compliance profile of the primary part. Parts with AEC-Q200 certification (AC1206FR-07620RL, CRCW1206620RFKEA, CRCW1206620RFKEAHP, ERJ-8ENF6200V) are qualified for automotive applications.

Frequently Asked Questions (FAQ)

Q1: Can I substitute the RCS3216F621CS with any of the listed parts without circuit modification?

A: Yes. All substitute parts listed with Active product status (AC1206FR-07620RL, CR1206-FX-6200ELF, CRCW1206620RFKEA, RC1206FR-07620RL) are direct electrical and mechanical equivalents. They share identical resistance, tolerance, power rating, package, and operating temperature specifications. No circuit modification is required.

Q2: What is the difference between the standard CRCW1206620RFKEA and the CRCW1206620RFKEAHP variant?

A: The CRCW1206620RFKEAHP is rated at 0.75W (3/4W) compared to the standard 0.25W (1/4W) rating of CRCW1206620RFKEA. Both parts share identical resistance, tolerance, and package specifications. The higher power rating and pulse withstanding feature of the HP variant make it suitable for applications with elevated thermal or transient stress requirements. The HP variant is a direct upgrade path when higher power dissipation is needed.

Q3: Why is ERJ-8ENF6200V marked as "Not For New Designs"?

A: The ERJ-8ENF6200V is classified as "Not For New Designs" by Panasonic Electronic Components. This designation indicates that while the part meets all electrical and mechanical specifications and remains available in inventory, it is not recommended for incorporation into new product designs. This part should be reserved for legacy system maintenance, repair, or replacement applications only.

Q4: Are all substitute parts available in the same packaging format?

A: All substitute parts are supplied in 1206 (3216 Metric) package format, matching the primary part. However, packaging delivery format varies: most substitutes are available in Tape & Reel (TR) format. Verify specific packaging requirements with your supplier, as some applications may require alternative delivery formats such as bulk or cut tape.

Q5: Which substitute part has the highest inventory availability?

A: RC1206FR-07620RL (YAGEO) has the highest inventory availability at 132,517 units. This part is suitable for applications requiring immediate availability and represents a cost-effective alternative with Active product status and moisture-resistant characteristics.

Q6: Do all substitute parts meet automotive qualification standards?

A: Four of the seven substitute parts carry AEC-Q200 automotive qualification: AC1206FR-07620RL, CRCW1206620RFKEA, CRCW1206620RFKEAHP, and ERJ-8ENF6200V. The remaining parts (CR1206-FX-6200ELF and RC1206FR-07620RL) do not carry explicit AEC-Q200 designation but meet all electrical and mechanical specifications. For automotive applications, select from the AEC-Q200 qualified alternatives.

Q7: What is the significance of MSL Level 1 (Unlimited) for all parts?

A: Moisture Sensitivity Level 1 (Unlimited) indicates that these resistors have no moisture sensitivity restrictions. They can be stored indefinitely without special moisture control measures and do not require baking before soldering. This specification is consistent across all substitute parts and the primary part.

Q8: Can I use a substitute part with a different physical dimension if the package designation is the same?

A: While all parts share the 1206 (3216 Metric) package designation, minor dimensional variations exist. For example, length ranges from 0.122" to 0.126" and height from 0.024" to 0.030" across different manufacturers. These variations are within standard 1206 package tolerances and are compatible with standard PCB footprints. However, verify specific dimensional requirements for your application, particularly for space-constrained designs.

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