RCS3216F4023CS Equivalent & Substitute Parts

Part Overview

The RCS3216F4023CS is a 402 kOhms ±1% 0.25W thick film chip resistor in 1206 (3216 Metric) package manufactured by Samsung Electro-Mechanics. This component is classified as Active product status with anti-sulfur and moisture-resistant characteristics. Substitute parts are identified based on matching electrical specifications, mechanical dimensions, and package compatibility to ensure direct circuit board replacement capability.

Key Parameters

Parameter	Specification
Resistance Value	402 kOhms
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	1 (Unlimited)

Substitute Part Grouping Explanation

Substitute parts for the RCS3216F4023CS are qualified based on the following criteria:

Electrical Parameters (Critical):

Resistance value: 402 kOhms
Tolerance: ±1%
Power rating: 0.25W (1/4W)
Temperature coefficient: ±100ppm/°C
Operating temperature range: -55°C ~ 155°C

Mechanical Parameters (Critical):

Package type: 1206 (3216 Metric)
Number of terminations: 2
Physical dimensions compatible with 1206 footprint

Compliance Parameters:

RoHS3 Compliant
Moisture Sensitivity Level 1 (Unlimited)
REACH Unaffected status

All identified substitute parts meet these core parameters, enabling direct replacement in circuit applications without design modification.

Parameter Comparison

Parameter	RCS3216F4023CS (Samsung)	CRCW1206402KFKEA (Vishay Dale)	ERJ-8ENF4023V (Panasonic)	RC1206FR-07402KL (YAGEO)
Resistance	402 kOhms	402 kOhms	402 kOhms	402 kOhms
Tolerance	±1%	±1%	±1%	±1%
Power Rating	0.25W	0.25W	0.25W	0.25W
Package	1206 (3216 Metric)	1206 (3216 Metric)	1206 (3216 Metric)	1206 (3216 Metric)
Composition	Thick Film	Thick Film	Thick Film	Thick Film
Temperature Coefficient	±100ppm/°C	±100ppm/°C	±100ppm/°C	±100ppm/°C
Operating Temperature	-55°C ~ 155°C	-55°C ~ 155°C	-55°C ~ 155°C	-55°C ~ 155°C
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
MSL Rating	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)
Product Status	Active	Active	Not For New Designs	Active
Height - Seated (Max)	0.026" (0.66mm)	0.024" (0.60mm)	0.028" (0.70mm)	0.026" (0.65mm)

Engineering Selection Recommendations

For Active Product Status Applications: CRCW1206402KFKEA (Vishay Dale) and RC1206FR-07402KL (YAGEO) are both classified as Active products and represent optimal choices for new designs. Both components maintain full electrical and mechanical compatibility with the RCS3216F4023CS while ensuring long-term availability and manufacturer support.

For Automotive-Grade Requirements: CRCW1206402KFKEA (Vishay Dale) and ERJ-8ENF4023V (Panasonic) both carry AEC-Q200 automotive qualification. CRCW1206402KFKEA is preferred due to Active product status.

For Legacy or Existing Design Maintenance: ERJ-8ENF4023V (Panasonic) is classified as Not For New Designs but remains available for replacement in existing applications. This part carries AEC-Q200 automotive certification and maintains full electrical compatibility.

Height Consideration: All substitute parts exhibit seated heights within 0.026" ± 0.004", confirming mechanical compatibility with standard 1206 PCB footprints. CRCW1206402KFKEA offers the lowest profile at 0.024" (0.60mm).

Frequently Asked Questions (FAQ)

Q: Can CRCW1206402KFKEA directly replace RCS3216F4023CS on existing PCBs?

A: Yes. Both components share identical electrical specifications (402 kOhms ±1%, 0.25W), package type (1206), and operating parameters. The seated height difference (0.024" vs 0.026") is within standard PCB assembly tolerances and does not affect functionality or placement.

Q: What is the significance of "Not For New Designs" status for ERJ-8ENF4023V?

A: This designation indicates that Panasonic has classified this part as obsolescence-pending or end-of-life for new product development. While the part remains electrically and mechanically compatible and is currently in stock, it should not be selected for new circuit designs. Use CRCW1206402KFKEA or RC1206FR-07402KL for new applications.

Q: Are all substitute parts RoHS3 compliant?

A: Yes. All identified substitute parts (CRCW1206402KFKEA, ERJ-8ENF4023V, RC1206FR-07402KL) are ROHS3 Compliant with MSL rating of 1 (Unlimited), matching the compliance profile of the RCS3216F4023CS.

Q: Which substitute offers the best long-term availability?

A: RC1206FR-07402KL (YAGEO) and CRCW1206402KFKEA (Vishay Dale) both carry Active product status. CRCW1206402KFKEA offers higher current inventory (26,215 pcs) compared to RC1206FR-07402KL (9,418 pcs), indicating stronger supply chain positioning.

Q: Do automotive applications require specific substitute selection?

A: For automotive applications, CRCW1206402KFKEA (Vishay Dale) is the recommended choice, as it combines Active product status with AEC-Q200 automotive qualification. ERJ-8ENF4023V also carries AEC-Q200 certification but is classified as Not For New Designs.

Q: Are there dimensional constraints for PCB assembly?

A: All substitute parts conform to standard 1206 (3216 Metric) package dimensions (0.126" L x 0.063" W). Seated heights range from 0.024" to 0.028", all compatible with standard pick-and-place equipment and PCB assembly processes.

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