RCS3216F821CS Equivalent & Substitute Parts Reference

Part Overview

The RCS3216F821CS is a 820 Ohms ±1% 0.25W (1/4W) thick film chip resistor manufactured by Samsung Electro-Mechanics in the 1206 (3216 Metric) package. This component features anti-sulfur and moisture-resistant construction with a temperature coefficient of ±100ppm/°C and operating range of -55°C to 155°C. The part is currently in active production status with ROHS3 compliance and unlimited moisture sensitivity level (MSL 1). Equivalent and substitute parts are identified based on matching electrical specifications, package dimensions, and mechanical compatibility within the 1206 form factor.

Key Parameters

Parameter	Value
Resistance	820 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 to 155°C
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level	1 (Unlimited)

Substitute Part Grouping Explanation

Substitute parts for the RCS3216F821CS are qualified based on the following criteria:

Electrical Parameters (Must Match):

Resistance value: 820 Ohms
Tolerance: ±1%
Temperature coefficient: ±100ppm/°C
Operating temperature range: -55°C to 155°C

Mechanical Parameters (Must Match):

Package type: 1206 (3216 Metric)
Number of terminations: 2
Composition: Thick Film

Compliance Parameters (Must Match):

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

Power Rating Consideration: Substitute parts are grouped into two categories based on power rating:

Direct Equivalents (0.25W / 1/4W): AC1206FR-07820RL, CR1206-FX-8200ELF, CRCW1206820RFKEA, ERJ-8ENF8200V, RC1206FR-07820RL
Higher Power Rating (0.75W / 3/4W): CRCW1206820RFKEAHP (uprated variant, electrically compatible but with enhanced pulse withstanding capability)

All substitute parts maintain identical resistance, tolerance, temperature coefficient, and operating temperature specifications. Dimensional variations within the 1206 package envelope are acceptable for PCB assembly compatibility.

Parameter Comparison

Part Number	Manufacturer	Resistance	Tolerance	Power (W)	Package	Temp Coeff	Op. Temp (°C)	Features	Product Status
RCS3216F821CS	Samsung Electro-Mechanics	820 Ω	±1%	0.25	1206	±100ppm/°C	-55 to 155	Anti-Sulfur, Moisture Resistant	Active
AC1206FR-07820RL	YAGEO	820 Ω	±1%	0.25	1206	±100ppm/°C	-55 to 155	Automotive AEC-Q200, Moisture Resistant	Active
CR1206-FX-8200ELF	Bourns Inc.	820 Ω	±1%	0.25	1206	±100ppm/°C	-55 to 155	Moisture Resistant	Active
CRCW1206820RFKEA	Vishay Dale	820 Ω	±1%	0.25	1206	±100ppm/°C	-55 to 155	Automotive AEC-Q200	Active
CRCW1206820RFKEAHP	Vishay Dale	820 Ω	±1%	0.75	1206	±100ppm/°C	-55 to 155	Automotive AEC-Q200, Pulse Withstanding	Active
ERJ-8ENF8200V	Panasonic Electronic Components	820 Ω	±1%	0.25	1206	±100ppm/°C	-55 to 155	Automotive AEC-Q200	Not For New Designs
RC1206FR-07820RL	YAGEO	820 Ω	±1%	0.25	1206	±100ppm/°C	-55 to 155	Moisture Resistant	Active

Engineering Selection Recommendations

Primary Substitutes (Active Status, Recommended for New Designs):

AC1206FR-07820RL (YAGEO) – Automotive-qualified alternative with AEC-Q200 certification. Suitable for applications requiring automotive-grade reliability. Inventory availability: 15,397 pcs.
CR1206-FX-8200ELF (Bourns Inc.) – Standard industrial-grade substitute with moisture resistance. Highest inventory availability at 51,663 pcs. Suitable for general-purpose applications.
CRCW1206820RFKEA (Vishay Dale) – Automotive AEC-Q200 qualified with active production status. Inventory: 11,578 pcs. Recommended for automotive and industrial applications requiring AEC-Q200 compliance.
RC1206FR-07820RL (YAGEO) – Moisture-resistant thick film construction matching base specifications. Largest inventory at 85,369 pcs. Suitable for moisture-sensitive environments.

Secondary Substitute (Higher Power Rating):

CRCW1206820RFKEAHP (Vishay Dale) – 0.75W rated variant with pulse withstanding capability. Electrically compatible but with enhanced power handling. Use only when higher power dissipation or pulse immunity is required. Inventory: 4,692 pcs.

Obsolescence Consideration:

ERJ-8ENF8200V (Panasonic) – Marked "Not For New Designs." Suitable only for legacy system maintenance or repair applications. Inventory: 45,630 pcs.

All recommended substitutes maintain ROHS3 compliance, MSL 1 rating, and REACH unaffected status. Selection should be based on application requirements, supply chain availability, and any specific automotive or industrial certifications needed.

Frequently Asked Questions (FAQ)

Q1: Can CRCW1206820RFKEAHP (0.75W) be used as a direct replacement for RCS3216F821CS (0.25W)?

A: Yes, electrically and mechanically. The higher power rating (0.75W vs. 0.25W) is a superset capability. The 0.75W part will function identically in circuits designed for 0.25W operation. Use this variant only when additional power handling or pulse withstanding is required by the application.

Q2: What is the difference between automotive-qualified parts (AEC-Q200) and standard industrial parts?

A: Automotive AEC-Q200 qualified parts (AC1206FR-07820RL, CRCW1206820RFKEA, ERJ-8ENF8200V) undergo additional qualification testing for automotive environments including temperature cycling, humidity, and reliability screening. Standard industrial parts (CR1206-FX-8200ELF, RC1206FR-07820RL) meet general industrial specifications. Use AEC-Q200 parts for automotive applications; standard parts are acceptable for general industrial use.

Q3: Are there dimensional differences between substitute parts within the 1206 package?

A: Minor dimensional variations exist within the 1206 (3216 Metric) specification. Length ranges from 0.122" to 0.126" (3.10mm to 3.20mm), and height ranges from 0.024" to 0.030" (0.60mm to 0.75mm). All variations are within standard 1206 PCB footprint tolerances and are compatible with standard 1206 assembly processes.

Q4: Why is ERJ-8ENF8200V marked "Not For New Designs"?

A: This designation indicates the part is in mature/declining production phase. While currently in inventory and functionally equivalent, Panasonic recommends using alternative sources for new product designs. Use ERJ-8ENF8200V only for legacy system support or repair applications.

Q5: Which substitute has the highest inventory availability?

A: RC1206FR-07820RL (YAGEO) with 85,369 pcs in stock, followed by CR1206-FX-8200ELF (Bourns) with 51,663 pcs. Both are active production parts suitable for immediate procurement.

Q6: Do all substitutes meet the same compliance requirements as the RCS3216F821CS?

A: Yes. All listed substitutes are ROHS3 compliant, have MSL 1 (Unlimited) rating, and REACH unaffected status, matching the original part's compliance profile.

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