RC2012F821CS Equivalent & Substitute Parts Reference

Part Overview

The RC2012F821CS is a 820 Ohms ±1% 0.125W thick film chip resistor manufactured by Samsung Electro-Mechanics in 0805 (2012 Metric) package format. This component is classified as Active product status with RoHS3 compliance and unlimited moisture sensitivity level (MSL 1). The part is supplied in Tape & Reel packaging with 737 pieces currently in stock. Equivalent and 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	820 Ohms
Tolerance	±1%
Power Rating	0.125W (1/8W)
Package / Case	0805 (2012 Metric)
Composition	Thick Film
Temperature Coefficient	±100ppm/°C
Operating Temperature Range	-55°C to 155°C
Physical Dimensions	0.079" L x 0.049" W (2.00mm x 1.25mm)
Number of Terminations	2
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level	1 (Unlimited)

Substitute Part Grouping Explanation

Substitute parts for the RC2012F821CS are classified into two categories based on substitution compatibility:

Direct Substitutes maintain identical electrical and mechanical specifications with the main part:

Resistance: 820 Ohms
Tolerance: ±1%
Power Rating: 0.125W (1/8W)
Package: 0805 (2012 Metric)
Composition: Thick Film
Temperature Coefficient: ±100ppm/°C
Operating Temperature: -55°C to 155°C
RoHS3 Compliance: Yes
MSL Rating: 1 (Unlimited)

Similar Substitutes share core electrical specifications and package format but include additional features or certifications (such as Automotive AEC-Q200 qualification or enhanced pulse withstanding capability) that extend application scope without compromising base functionality.

The critical parameters determining substitution eligibility are: resistance value, tolerance, power rating, package type, composition, temperature coefficient, and operating temperature range. Physical height variations within 0.028" (0.70mm) maximum are acceptable for PCB assembly compatibility.

Parameter Comparison

Manufacturer Part Number	Manufacturer	Resistance	Tolerance	Power (W)	Package	Temp Coeff	Op Temp (°C)	Height Max (mm)	Features	RoHS3	MSL	Inventory
RC2012F821CS	Samsung Electro-Mechanics	820Ω	±1%	0.125	0805	±100ppm/°C	-55~155	0.65	Moisture Resistant	Yes	1	737
CR0805-FX-8200ELF	Bourns Inc.	820Ω	±1%	0.125	0805	±100ppm/°C	-55~155	0.60	Moisture Resistant	Yes	1	38976
CRG0805F820R	TE Connectivity Passive Product	820Ω	±1%	0.125	0805	±100ppm/°C	-55~155	0.65	None Listed	Yes	1	18002
ERJ-6ENF8200V	Panasonic Electronic Components	820Ω	±1%	0.125	0805	±100ppm/°C	-55~155	0.70	Automotive AEC-Q200	Yes	1	92354
KTR10EZPF8200	Rohm Semiconductor	820Ω	±1%	0.125	0805	±100ppm/°C	-55~155	0.65	Automotive AEC-Q200, High Voltage	Yes	1	15637
RC0805FR-07820RL	YAGEO	820Ω	±1%	0.125	0805	±100ppm/°C	-55~155	0.60	Moisture Resistant	Yes	1	76364
RMCF0805FT820R	Stackpole Electronics Inc	820Ω	±1%	0.125	0805	±100ppm/°C	-55~155	0.65	Automotive AEC-Q200	Yes	1	100229
AC0805FR-07820RL	YAGEO	820Ω	±1%	0.125	0805	±100ppm/°C	-55~155	0.60	Automotive AEC-Q200, Moisture Resistant	Yes	1	40906
CRCW0805820RFKEA	Vishay Dale	820Ω	±1%	0.125	0805	±100ppm/°C	-55~155	0.50	Automotive AEC-Q200	Yes	1	22908
CRCW0805820RFKEAC	Vishay Dale	820Ω	±1%	0.125	0805	±100ppm/°C	-55~155	0.60	None Listed	Yes	1	105654
CRCW0805820RFKEAHP	Vishay Dale	820Ω	±1%	0.5	0805	±100ppm/°C	-55~155	0.50	Automotive AEC-Q200, Pulse Withstanding	Yes	1	57620

Engineering Selection Recommendations

Direct Substitution Candidates (Identical Electrical and Mechanical Specifications):

The following parts are suitable for direct replacement in applications requiring 820 Ohms ±1% 0.125W 0805 thick film resistors:

CR0805-FX-8200ELF (Bourns Inc.) – Moisture resistant composition, 38,976 units in stock
CRG0805F820R (TE Connectivity Passive Product) – Standard thick film, 18,002 units in stock
RC0805FR-07820RL (YAGEO) – Moisture resistant composition, 76,364 units in stock
CRCW0805820RFKEAC (Vishay Dale) – Standard thick film, 105,654 units in stock

All direct substitutes maintain RoHS3 compliance, MSL 1 rating, and operating temperature range of -55°C to 155°C.

Extended Application Candidates (Automotive AEC-Q200 Qualified):

For applications requiring automotive-grade qualification:

ERJ-6ENF8200V (Panasonic Electronic Components) – AEC-Q200 qualified, 92,354 units in stock
KTR10EZPF8200 (Rohm Semiconductor) – AEC-Q200 qualified with high voltage capability, 15,637 units in stock
RMCF0805FT820R (Stackpole Electronics Inc) – AEC-Q200 qualified, 100,229 units in stock
AC0805FR-07820RL (YAGEO) – AEC-Q200 qualified with moisture resistance, 40,906 units in stock
CRCW0805820RFKEA (Vishay Dale) – AEC-Q200 qualified, 22,908 units in stock

Higher Power Rating Alternative:

CRCW0805820RFKEAHP (Vishay Dale) – 0.5W (1/2W) power rating with pulse withstanding capability and AEC-Q200 qualification. This part is suitable only for applications where increased power dissipation capacity is required, as it differs from the base specification in power rating.

Frequently Asked Questions (FAQ)

Q: Can I use CR0805-FX-8200ELF as a direct replacement for RC2012F821CS?

A: Yes. Both parts share identical resistance (820Ω), tolerance (±1%), power rating (0.125W), package format (0805), composition (thick film), temperature coefficient (±100ppm/°C), and operating temperature range (-55°C to 155°C). Both are RoHS3 compliant with MSL 1 rating. Physical height difference (0.60mm vs 0.65mm) is within acceptable PCB assembly tolerance.

Q: What is the difference between direct substitutes and similar substitutes?

A: Direct substitutes maintain all electrical and mechanical specifications identical to the RC2012F821CS. Similar substitutes add certifications or features such as Automotive AEC-Q200 qualification or pulse withstanding capability while maintaining core electrical parameters. Similar substitutes are suitable for applications requiring these additional qualifications.

Q: Are all substitute parts RoHS3 compliant?

A: Yes. All listed substitute parts carry RoHS3 compliance certification, matching the RC2012F821CS specification.

Q: Can I use CRCW0805820RFKEAHP in place of RC2012F821CS?

A: CRCW0805820RFKEAHP differs in power rating (0.5W vs 0.125W). This part is suitable only for applications where higher power dissipation is required. Use in circuits designed for 0.125W resistors may result in over-specification and unnecessary cost increase.

Q: What does MSL 1 (Unlimited) mean for these resistors?

A: MSL 1 indicates unlimited shelf life without moisture bake-out requirements. All listed parts, including RC2012F821CS and substitutes, can be stored indefinitely without special moisture control procedures.

Q: Are automotive AEC-Q200 qualified parts suitable for non-automotive applications?

A: Yes. AEC-Q200 qualification represents a superset of standard industrial specifications. Parts such as ERJ-6ENF8200V, KTR10EZPF8200, RMCF0805FT820R, AC0805FR-07820RL, and CRCW0805820RFKEA can be used in any application requiring 820Ω ±1% 0.125W 0805 resistors, whether automotive or general industrial.

Q: What is the significance of "Moisture Resistant" feature listed for some parts?

A: Moisture resistant composition provides enhanced protection against humidity-induced performance degradation. Parts with this feature (CR0805-FX-8200ELF, RC2012F821CS, RC0805FR-07820RL, AC0805FR-07820RL) are preferred for applications in high-humidity environments or where extended operational reliability is critical.

Q: Can physical height differences affect PCB assembly?

A: Physical height variations among listed parts range from 0.50mm to 0.70mm. These differences are within standard PCB assembly tolerances and do not affect reflow soldering or component placement. Height differences do not impact electrical performance or circuit functionality.

Q: Which substitute offers the highest inventory availability?

A: CRCW0805820RFKEAC (Vishay Dale) offers the highest inventory with 105,654 units in stock, followed by RMCF0805FT820R (Stackpole Electronics Inc) with 100,229 units.

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