Request Quote
(Ships tomorrow)
RC1005F392CS Equivalent & Substitute Parts Reference
Part Overview
The RC1005F392CS is a 3.9 kOhms ±1% thick film chip resistor manufactured by Samsung Electro-Mechanics in 0402 (1005 Metric) package format. This surface mount device is rated for 0.063W (1/16W) power dissipation with moisture resistant characteristics 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 based on matching electrical specifications, mechanical dimensions, and package compatibility to support component procurement flexibility and supply chain continuity.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Resistance | 3.9 kOhms |
| Tolerance | ±1% |
| Power Rating | 0.063W (1/16W) |
| Package / Case | 0402 (1005 Metric) |
| Composition | Thick Film |
| Temperature Coefficient | ±100ppm/°C |
| Operating Temperature Range | -55°C to 155°C |
| Terminations | 2 |
| RoHS Status | ROHS3 Compliant |
| Moisture Sensitivity Level | 1 (Unlimited) |
Substitute Part Grouping Explanation
Substitute parts for the RC1005F392CS are classified into three categories based on electrical and mechanical parameter alignment:
Direct Equivalents maintain identical specifications across all critical parameters: 3.9 kOhms resistance, ±1% tolerance, 0.063W power rating, 0402 package, ±100ppm/°C temperature coefficient, and -55°C to 155°C operating range. These parts are interchangeable without circuit performance impact.
Upgrade Substitutes provide enhanced specifications while maintaining core electrical parameters. The ERJ-2RF3901X increases power rating to 0.1W (1/10W) and adds Automotive AEC-Q200 qualification, suitable for applications requiring higher thermal margin or automotive-grade reliability.
Similar Substitutes match all electrical and mechanical specifications but include additional certifications or features such as Automotive AEC-Q200 qualification. These parts are functionally equivalent with enhanced qualification status for specific application requirements.
Substitution eligibility is determined by matching: resistance value (3.9 kOhms), tolerance (±1%), package format (0402), composition (thick film), temperature coefficient (±100ppm/°C), and operating temperature range (-55°C to 155°C).
Parameter Comparison
| Manufacturer Part Number | Manufacturer | Resistance | Tolerance | Power (W) | Package | Temp Coeff | Operating Temp | Features | RoHS Status | Substitution Type |
|---|---|---|---|---|---|---|---|---|---|---|
| RC1005F392CS | Samsung Electro-Mechanics | 3.9 kΩ | ±1% | 0.063 | 0402 | ±100ppm/°C | -55 to 155°C | Moisture Resistant | ROHS3 | Main Part |
| CR0402-FX-3901GLF | Bourns Inc. | 3.9 kΩ | ±1% | 0.063 | 0402 | ±100ppm/°C | -55 to 155°C | — | ROHS3 | Direct Equivalent |
| CRG0402F3K9 | TE Connectivity Passive Product | 3.9 kΩ | ±1% | 0.063 | 0402 | ±100ppm/°C | -55 to 155°C | — | ROHS3 | Direct Equivalent |
| RC0402FR-073K9L | YAGEO | 3.9 kΩ | ±1% | 0.063 | 0402 | ±100ppm/°C | -55 to 155°C | Moisture Resistant | ROHS3 | Direct Equivalent |
| ERJ-2RKF3901X | Panasonic Electronic Components | 3.9 kΩ | ±1% | 0.1 | 0402 | ±100ppm/°C | -55 to 155°C | Automotive AEC-Q200 | ROHS3 | Upgrade |
| AC0402FR-073K9L | YAGEO | 3.9 kΩ | ±1% | 0.063 | 0402 | ±100ppm/°C | -55 to 155°C | Automotive AEC-Q200, Moisture Resistant | ROHS3 | Similar |
| CRCW04023K90FKED | Vishay Dale | 3.9 kΩ | ±1% | 0.063 | 0402 | ±100ppm/°C | -55 to 155°C | Automotive AEC-Q200 | ROHS3 | Similar |
| RMCF0402FT3K90 | Stackpole Electronics Inc | 3.9 kΩ | ±1% | 0.063 | 0402 | ±100ppm/°C | -55 to 155°C | Automotive AEC-Q200 | ROHS3 | Similar |
Engineering Selection Recommendations
Direct Equivalent Selection: CR0402-FX-3901GLF (Bourns), CRG0402F3K9 (TE Connectivity), and RC0402FR-073K9L (YAGEO) provide identical electrical and mechanical specifications to the RC1005F392CS. These parts are suitable for direct substitution in applications where the original specification is the design requirement. All three maintain ROHS3 compliance and MSL 1 rating.
Upgrade Selection: ERJ-2RKF3901X (Panasonic) offers increased power dissipation capability (0.1W versus 0.063W) while maintaining all other electrical parameters. This part is appropriate for designs requiring additional thermal margin or where power budget analysis indicates potential stress on the original 1/16W rating. Automotive AEC-Q200 qualification provides enhanced reliability documentation for automotive applications.
Automotive-Qualified Selection: AC0402FR-073K9L (YAGEO), CRCW04023K90FKED (Vishay Dale), and RMCF0402FT3K90 (Stackpole) incorporate Automotive AEC-Q200 certification while maintaining the 0.063W power rating and all electrical specifications of the main part. These selections are required for automotive circuit designs or applications subject to automotive supply chain qualification requirements.
All substitute parts maintain ROHS3 compliance, MSL 1 moisture sensitivity level, and identical package dimensions (0.039" L x 0.020" W, 1.00mm x 0.50mm).
Frequently Asked Questions (FAQ)
Q: Can CR0402-FX-3901GLF replace RC1005F392CS in any application?
A: CR0402-FX-3901GLF is a direct equivalent with identical resistance (3.9 kOhms), tolerance (±1%), power rating (0.063W), package (0402), temperature coefficient (±100ppm/°C), and operating range (-55°C to 155°C). Direct substitution is valid for all applications where the RC1005F392CS specification is met.
Q: What is the difference between direct equivalents and similar substitutes?
A: Direct equivalents (CR0402-FX-3901GLF, CRG0402F3K9, RC0402FR-073K9L) match all electrical and mechanical parameters without additional features. Similar substitutes (AC0402FR-073K9L, CRCW04023K90FKED, RMCF0402FT3K90) include Automotive AEC-Q200 qualification, providing enhanced reliability documentation for automotive applications while maintaining identical core specifications.
Q: When should ERJ-2RKF3901X be selected instead of direct equivalents?
A: ERJ-2RKF3901X provides 0.1W power rating compared to 0.063W in the main part and direct equivalents. Selection is appropriate when circuit analysis indicates power dissipation approaching the 1/16W limit or when design margin improvement is required. The upgrade maintains all other electrical parameters and adds Automotive AEC-Q200 qualification.
Q: Are all substitute parts available in the same packaging format?
A: All substitute parts are available in 0402 (1005 Metric) package with identical dimensions (0.039" L x 0.020" W, 1.00mm x 0.50mm) and maximum seated height (0.016" / 0.40mm). Packaging format (Tape & Reel or Cut Tape) varies by manufacturer but does not affect electrical or mechanical compatibility.
Q: Do substitute parts maintain the same moisture sensitivity level?
A: All substitute parts maintain MSL 1 (Unlimited) moisture sensitivity level, identical to the RC1005F392CS. No special moisture handling or baking procedures are required for any listed substitute.
Q: Which substitute part has the highest inventory availability?
A: ERJ-2RKF3901X (Panasonic) has the highest inventory level at 280,822 pieces. For direct equivalents, CR0402-FX-3901GLF (Bourns) has 36,228 pieces available.
Q: Are all substitute parts ROHS3 compliant?
A: All substitute parts listed maintain ROHS3 compliance, matching the environmental compliance status of the RC1005F392CS.
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