Request Quote
(Ships tomorrow)
RC1005F2052CS Equivalent & Substitute Parts
Part Overview
The RC1005F2052CS is a 20.5 kOhms ±1% thick film chip resistor manufactured by Samsung Electro-Mechanics in 0402 (1005 Metric) package format. This surface mount device is rated at 0.063W (1/16W) power dissipation with moisture resistant construction and operates across the temperature 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 when alternative manufacturers offer components meeting identical or enhanced electrical and mechanical specifications within the same package class.
Substiute Parts
Key Parameters
| Parameter | Value | Unit |
|---|---|---|
| Resistance | 20.5 | kOhms |
| Tolerance | ±1 | % |
| Power Rating | 0.063 | W (1/16W) |
| Package / Case | 0402 (1005 Metric) | — |
| Composition | Thick Film | — |
| Temperature Coefficient | ±100 | ppm/°C |
| Operating Temperature Range | -55 to 155 | °C |
| Terminations | 2 | — |
| RoHS Status | ROHS3 Compliant | — |
| Moisture Sensitivity Level | 1 (Unlimited) | — |
Substitute Part Grouping Explanation
Substitution eligibility for the RC1005F2052CS is determined by strict equivalence across the following critical parameters: resistance value (20.5 kOhms), tolerance (±1%), package format (0402 / 1005 Metric), composition (thick film), temperature coefficient (±100ppm/°C), operating temperature range (-55°C to 155°C), and compliance certifications (ROHS3, REACH Unaffected, EAR99).
Substitute parts are categorized as follows:
Direct Equivalents maintain all electrical and mechanical specifications identical to the main part, including power rating (0.063W / 1/16W) and moisture resistant features.
Upgrade Substitutes provide enhanced power rating (0.1W / 1/10W) or additional automotive qualification (AEC-Q200) while maintaining all other core specifications, allowing use in applications with higher thermal or reliability requirements.
Similar Substitutes meet all core electrical and mechanical parameters but may include additional features such as automotive AEC-Q200 qualification or enhanced moisture resistance without compromising compatibility.
All substitute parts listed maintain the same physical dimensions (0.039" L x 0.020" W / 1.00mm x 0.50mm), termination count (2), and regulatory compliance status.
Parameter Comparison
| Manufacturer Part Number | Manufacturer | Resistance (kOhms) | Tolerance (%) | Power (W) | Package | Temp Coeff (ppm/°C) | Op Temp (°C) | Features | AEC-Q200 | RoHS3 |
|---|---|---|---|---|---|---|---|---|---|---|
| RC1005F2052CS | Samsung Electro-Mechanics | 20.5 | ±1 | 0.063 | 0402 | ±100 | -55 to 155 | Moisture Resistant | — | Yes |
| CR0402-FX-2052GLF | Bourns Inc. | 20.5 | ±1 | 0.063 | 0402 | ±100 | -55 to 155 | — | — | Yes |
| RC0402FR-0720K5L | YAGEO | 20.5 | ±1 | 0.063 | 0402 | ±100 | -55 to 155 | Moisture Resistant | — | Yes |
| ERJ-2RKF2052X | Panasonic Electronic Components | 20.5 | ±1 | 0.1 | 0402 | ±100 | -55 to 155 | Automotive AEC-Q200 | Yes | Yes |
| AC0402FR-0720K5L | YAGEO | 20.5 | ±1 | 0.063 | 0402 | ±100 | -55 to 155 | Automotive AEC-Q200, Moisture Resistant | Yes | Yes |
| CRCW040220K5FKED | Vishay Dale | 20.5 | ±1 | 0.063 | 0402 | ±100 | -55 to 155 | Automotive AEC-Q200 | Yes | Yes |
| RMCF0402FT20K5 | Stackpole Electronics Inc | 20.5 | ±1 | 0.063 | 0402 | ±100 | -55 to 155 | Automotive AEC-Q200 | Yes | Yes |
Engineering Selection Recommendations
Direct Equivalent Selection: CR0402-FX-2052GLF (Bourns Inc.) and RC0402FR-0720K5L (YAGEO) provide direct electrical and mechanical equivalence to the RC1005F2052CS. Both maintain identical power rating, tolerance, and temperature specifications. Selection between these options is based on supply chain availability and procurement preferences, as all three parts meet ROHS3 compliance and unlimited MSL requirements.
Upgrade Path: ERJ-2RKF2052X (Panasonic Electronic Components) offers enhanced power rating at 0.1W (1/10W) compared to the 0.063W specification of the main part. This upgrade is suitable for applications requiring additional thermal margin or higher reliability standards. The part includes automotive AEC-Q200 qualification, extending its use to automotive-grade applications.
Automotive-Qualified Alternatives: AC0402FR-0720K5L (YAGEO), CRCW040220K5FKED (Vishay Dale), and RMCF0402FT20K5 (Stackpole Electronics Inc) all provide AEC-Q200 automotive qualification while maintaining the original 0.063W power rating and moisture resistant construction. These parts are appropriate for applications requiring automotive-grade component certification without power rating enhancement.
All substitute parts maintain active production status and ROHS3 compliance, ensuring long-term availability and regulatory alignment.
Frequently Asked Questions (FAQ)
Q: Can CR0402-FX-2052GLF replace RC1005F2052CS in all applications?
A: CR0402-FX-2052GLF meets all core electrical specifications (20.5 kOhms ±1%, 0.063W, 0402 package, ±100ppm/°C, -55°C to 155°C). Direct substitution is valid for applications not requiring moisture resistant construction as a mandatory feature. Verify moisture exposure requirements in your specific application environment.
Q: What is the difference between the main part and ERJ-2RKF2052X?
A: ERJ-2RKF2052X provides identical electrical specifications but with enhanced power rating (0.1W versus 0.063W) and includes automotive AEC-Q200 qualification. This part is suitable for applications requiring higher power dissipation capability or automotive-grade reliability standards. The increased power rating does not affect compatibility in circuits designed for the lower 0.063W specification.
Q: Are all substitute parts ROHS3 compliant?
A: All substitute parts listed are ROHS3 compliant and REACH unaffected, matching the regulatory status of the RC1005F2052CS. This ensures consistent compliance across supply chain alternatives.
Q: What is the significance of AEC-Q200 qualification on substitute parts?
A: AEC-Q200 is an automotive industry qualification standard. Parts bearing this certification (ERJ-2RKF2052X, AC0402FR-0720K5L, CRCW040220K5FKED, RMCF0402FT20K5) meet enhanced reliability and quality requirements for automotive applications. These parts are suitable for both automotive and general industrial applications. Non-automotive qualified parts (CR0402-FX-2052GLF, RC0402FR-0720K5L) are suitable for general industrial and consumer applications.
Q: Do all substitute parts have identical physical dimensions?
A: All substitute parts use the 0402 (1005 Metric) package with dimensions of 0.039" L x 0.020" W (1.00mm x 0.50mm). Maximum seated height is 0.016" (0.40mm) for all parts except AC0402FR-0720K5L, which has a maximum seated height of 0.015" (0.37mm). This minor height variation does not affect PCB assembly compatibility.
Q: Can I use RC0402FR-0720K5L as a substitute if moisture resistance is required?
A: RC0402FR-0720K5L includes moisture resistant construction matching the RC1005F2052CS specification. This part is suitable for applications requiring moisture resistant thick film composition.
Q: What inventory levels are available for substitute parts?
A: CR0402-FX-2052GLF: 59,898 pcs; RC0402FR-0720K5L: 7,400 pcs; ERJ-2RKF2052X: 137,146 pcs; AC0402FR-0720K5L: 40,183 pcs; CRCW040220K5FKED: 127,352 pcs; RMCF0402FT20K5: 92,714 pcs. Inventory levels support high-volume production requirements across all substitute options.
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