Request Quote
(Ships tomorrow)
Equivalent & Substitute Parts for RCS2012F2101CS
Part Overview
The RCS2012F2101CS is a 2.1 kOhms ±1% 0.125W (1/8W) chip resistor manufactured by Samsung Electro-Mechanics in 0805 (2012 Metric) package format. This thick film resistor features anti-sulfur and moisture-resistant properties, with an operating temperature range of -55°C to 155°C. The part is currently active in production status with ROHS3 compliance and unlimited moisture sensitivity level (MSL 1). Equivalent and substitute parts are identified when identical electrical specifications and mechanical compatibility are maintained across alternative manufacturers, ensuring functional interchangeability in circuit applications.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Resistance | 2.1 kOhms |
| 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 |
| Number of Terminations | 2 |
| RoHS Status | ROHS3 Compliant |
| Moisture Sensitivity Level | 1 (Unlimited) |
Substitute Part Grouping Explanation
Substitution eligibility for the RCS2012F2101CS is determined by strict equivalence across the following critical parameters:
Electrical Specifications:
- Resistance value: 2.1 kOhms (exact match required)
- Tolerance: ±1% (exact match required)
- Power rating: 0.125W / 1/8W (exact match required)
- Temperature coefficient: ±100ppm/°C (exact match required)
- Operating temperature range: -55°C to 155°C (exact match required)
Mechanical Specifications:
- Package format: 0805 (2012 Metric) (exact match required)
- Composition: Thick Film (exact match required)
- Number of terminations: 2 (exact match required)
Compliance & Environmental:
- RoHS3 compliance (required)
- Moisture Sensitivity Level 1 (required)
All identified substitute parts meet these criteria. Variations in packaging format (Tape & Reel vs. Cut Tape), manufacturer-specific features (Automotive AEC-Q200 certification), and minor dimensional differences in seated height do not affect functional interchangeability in standard circuit applications.
Parameter Comparison
| Parameter | RCS2012F2101CS (Samsung) | CRCW08052K10FKEA (Vishay Dale) | ERJ-6ENF2101V (Panasonic) | RC0805FR-072K1L (YAGEO) | RMCF0805FT2K10 (Stackpole) |
|---|---|---|---|---|---|
| Resistance | 2.1 kOhms | 2.1 kOhms | 2.1 kOhms | 2.1 kOhms | 2.1 kOhms |
| Tolerance | ±1% | ±1% | ±1% | ±1% | ±1% |
| Power Rating | 0.125W (1/8W) | 0.125W (1/8W) | 0.125W (1/8W) | 0.125W (1/8W) | 0.125W (1/8W) |
| Package / Case | 0805 (2012 Metric) | 0805 (2012 Metric) | 0805 (2012 Metric) | 0805 (2012 Metric) | 0805 (2012 Metric) |
| Composition | Thick Film | Thick Film | Thick Film | Thick Film | Thick Film |
| Temperature Coefficient | ±100ppm/°C | ±100ppm/°C | ±100ppm/°C | ±100ppm/°C | ±100ppm/°C |
| Operating Temperature | -55°C to 155°C | -55°C to 155°C | -55°C to 155°C | -55°C to 155°C | -55°C to 155°C |
| Height - Seated (Max) | 0.026" (0.66mm) | 0.020" (0.50mm) | 0.028" (0.70mm) | 0.024" (0.60mm) | 0.026" (0.65mm) |
| RoHS Status | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant |
| Moisture Sensitivity Level | 1 (Unlimited) | 1 (Unlimited) | 1 (Unlimited) | 1 (Unlimited) | 1 (Unlimited) |
| Product Status | Active | Active | Active | Active | Active |
Engineering Selection Recommendations
All four substitute parts are functionally equivalent to the RCS2012F2101CS and are suitable for direct replacement in circuit applications requiring a 2.1 kOhms ±1% 1/8W 0805 chip resistor.
Selection Criteria Based on Provided Data:
CRCW08052K10FKEA (Vishay Dale): Active product status with ROHS3 compliance. Includes Automotive AEC-Q200 certification. Packaged in Cut Tape & Digi-Reel format with 35,137 units in stock. Seated height of 0.020" (0.50mm) represents the lowest profile among all options.
ERJ-6ENF2101V (Panasonic Electronic Components): Active product status with ROHS3 compliance. Includes Automotive AEC-Q200 certification. Packaged in Tape & Reel format with 312,623 units in stock, representing the highest inventory availability. Seated height of 0.028" (0.70mm).
RC0805FR-072K1L (YAGEO): Active product status with ROHS3 compliance. Features moisture-resistant properties matching the original part. Packaged in Tape & Reel format with 2,200 units in stock. Seated height of 0.024" (0.60mm).
RMCF0805FT2K10 (Stackpole Electronics Inc): Active product status with ROHS3 compliance. Includes Automotive AEC-Q200 certification. Packaged in Tape & Reel format with 25,568 units in stock. Seated height of 0.026" (0.65mm), matching the original part specification.
All parts maintain identical electrical performance and mechanical compatibility. Selection among substitutes depends on packaging preference, inventory availability, and application-specific requirements such as automotive qualification needs.
Frequently Asked Questions (FAQ)
Q: Can CRCW08052K10FKEA replace RCS2012F2101CS in any application?
A: Yes. Both parts share identical electrical specifications (2.1 kOhms ±1%, 0.125W, ±100ppm/°C, -55°C to 155°C operating range) and mechanical compatibility (0805 package, 2 terminations, thick film composition). The CRCW08052K10FKEA has a lower seated height (0.020" vs. 0.026"), which is compatible with standard PCB layouts designed for 0805 components.
Q: What is the difference between the Tape & Reel and Cut Tape packaging options?
A: Tape & Reel packaging is supplied on continuous carrier tape wound on reels, suitable for automated pick-and-place assembly. Cut Tape & Digi-Reel packaging (CRCW08052K10FKEA) provides components on cut tape segments, also compatible with automated assembly but in smaller quantities per reel. Both formats are functionally equivalent; selection depends on production volume and assembly equipment compatibility.
Q: Are the Automotive AEC-Q200 certified parts suitable for non-automotive applications?
A: Yes. Automotive AEC-Q200 certification indicates compliance with automotive industry reliability and quality standards. Parts meeting this certification (CRCW08052K10FKEA, ERJ-6ENF2101V, RMCF0805FT2K10) are fully suitable for general industrial, consumer, and non-automotive applications. The certification represents an additional quality assurance level.
Q: Does the seated height difference affect PCB design or assembly?
A: No. All substitute parts have seated heights within the standard tolerance range for 0805 (2012 Metric) components (0.020" to 0.028"). PCB designs and reflow profiles specified for 0805 resistors accommodate this variation without modification.
Q: Which substitute part has the best inventory availability?
A: ERJ-6ENF2101V (Panasonic Electronic Components) has the highest inventory with 312,623 units in stock, followed by CRCW08052K10FKEA (Vishay Dale) with 35,137 units and RMCF0805FT2K10 (Stackpole Electronics Inc) with 25,568 units.
Q: Are all substitute parts ROHS3 compliant?
A: Yes. All identified substitute parts (CRCW08052K10FKEA, ERJ-6ENF2101V, RC0805FR-072K1L, RMCF0805FT2K10) are ROHS3 compliant with Moisture Sensitivity Level 1 (Unlimited), matching the original RCS2012F2101CS specification.
Alternative Parts
SJ6012L2TP
Littelfuse Inc.
6 Alternative Parts
JMK107BBJ476MA-RE
Taiyo Yuden
10 Alternative Parts
GMK107BBJ475MA-T
Taiyo Yuden
5 Alternative Parts
SJ6020N2ARP
Littelfuse Inc.
3 Alternative Parts
SJ6025R2ATP
Littelfuse Inc.
4 Alternative Parts
2474-05L
API Delevan Inc.
1 Alternative Parts
4590R-684K
API Delevan Inc.
1 Alternative Parts
CM6560R-334
API Delevan Inc.
1 Alternative Parts
CM6460-104
API Delevan Inc.
1 Alternative Parts
5526-12
API Delevan Inc.
1 Alternative Parts




