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RC1608F431CS Equivalent & Substitute Parts Reference
Part Overview
The RC1608F431CS is a 430 Ohm ±1% thick film chip resistor manufactured by Samsung Electro-Mechanics in 0603 (1608 Metric) package format with 0.1W power rating. This component is classified as Active product status with moisture resistant characteristics and unlimited moisture sensitivity level (MSL 1). The part is RoHS3 compliant and REACH unaffected, suitable for general industrial and commercial applications operating across -55°C to 155°C temperature range.
Equivalent and substitute parts are identified to address supply chain continuity, inventory availability, or application-specific requirements such as automotive qualification or enhanced performance characteristics.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Resistance | 430 Ohms |
| Tolerance | ±1% |
| Power Rating | 0.1W (1/10W) |
| Package / Case | 0603 (1608 Metric) |
| Composition | Thick Film |
| Temperature Coefficient | ±100ppm/°C |
| Operating Temperature Range | -55°C ~ 155°C |
| Moisture Sensitivity Level | 1 (Unlimited) |
| RoHS Status | ROHS3 Compliant |
| Number of Terminations | 2 |
Substitute Part Grouping Explanation
Substitution eligibility for the RC1608F431CS is determined by strict equivalence across the following critical parameters:
Mandatory Matching Parameters:
- Resistance value: 430 Ohms
- Tolerance: ±1%
- Power rating: 0.1W (1/10W)
- Package: 0603 (1608 Metric)
- Composition: Thick Film
- Temperature coefficient: ±100ppm/°C
- Operating temperature range: -55°C ~ 155°C
- Termination count: 2
- RoHS3 compliance
- MSL rating: 1 (Unlimited)
All identified substitute parts meet these mandatory parameters. Substitute parts are categorized as follows:
Direct Substitutes maintain identical electrical and mechanical specifications with equivalent packaging formats (Tape & Reel or Cut Tape variants).
Upgrade Substitutes provide additional certifications or enhanced features (Automotive AEC-Q200 qualification, High Voltage capability) while maintaining all core electrical parameters.
Similar Substitutes offer functional equivalence with minor dimensional variations within acceptable tolerances or alternative packaging options.
Parameter Comparison
| Part Number | Manufacturer | Resistance | Tolerance | Power (W) | Package | Temp Coeff | Op Temp Range | Features | Product Status | Packaging Type |
|---|---|---|---|---|---|---|---|---|---|---|
| RC1608F431CS | Samsung Electro-Mechanics | 430Ω | ±1% | 0.1 | 0603 | ±100ppm/°C | -55~155°C | Moisture Resistant | Active | Tape & Reel |
| CR0603-FX-4300ELF | Bourns Inc. | 430Ω | ±1% | 0.1 | 0603 | ±100ppm/°C | -55~155°C | Moisture Resistant | Active | Tape & Reel |
| RC0603FR-07430RL | YAGEO | 430Ω | ±1% | 0.1 | 0603 | ±100ppm/°C | -55~155°C | Moisture Resistant | Active | Cut Tape & Digi-Reel |
| KTR03EZPF4300 | Rohm Semiconductor | 430Ω | ±1% | 0.1 | 0603 | ±100ppm/°C | -55~155°C | Automotive AEC-Q200, High Voltage | Active | Tape & Reel |
| MCR03ERTF4300 | Rohm Semiconductor | 430Ω | ±1% | 0.1 | 0603 | ±100ppm/°C | -55~155°C | Standard Thick Film | Discontinued at DiGi Electronics | Cut Tape & Digi-Reel |
| AC0603FR-07430RL | YAGEO | 430Ω | ±1% | 0.1 | 0603 | ±100ppm/°C | -55~155°C | Automotive AEC-Q200, Moisture Resistant | Active | Tape & Reel |
| CRCW0603430RFKEA | Vishay Dale | 430Ω | ±1% | 0.1 | 0603 | ±100ppm/°C | -55~155°C | Automotive AEC-Q200 | Active | Cut Tape & Digi-Reel |
| ERJ-3EKF4300V | Panasonic Electronic Components | 430Ω | ±1% | 0.1 | 0603 | ±100ppm/°C | -55~155°C | Automotive AEC-Q200 | Active | Tape & Reel |
| RMCF0603FT430R | Stackpole Electronics Inc | 430Ω | ±1% | 0.1 | 0603 | ±100ppm/°C | -55~155°C | Automotive AEC-Q200 | Active | Tape & Reel |
Engineering Selection Recommendations
For General Industrial Applications: CR0603-FX-4300ELF (Bourns) and RC0603FR-07430RL (YAGEO) provide direct functional equivalence to the RC1608F431CS with active product status and established supply availability. Both maintain identical electrical specifications and moisture resistant characteristics.
For Automotive Applications: KTR03EZPF4300 (Rohm), AC0603FR-07430RL (YAGEO), CRCW0603430RFKEA (Vishay Dale), ERJ-3EKF4300V (Panasonic), and RMCF0603FT430R (Stackpole) all carry Automotive AEC-Q200 qualification. These parts are suitable for automotive-grade circuit designs while maintaining all core electrical parameters of the original part.
For High-Voltage Applications: KTR03EZPF4300 (Rohm) is specified with High Voltage capability in addition to AEC-Q200 automotive qualification.
Avoid in New Designs: MCR03ERTF4300 (Rohm) is discontinued at DiGi Electronics and should not be selected for new designs despite current inventory availability.
Packaging Considerations: Tape & Reel packaging is available from Samsung, Bourns, Rohm (KTR series), YAGEO (AC series), Panasonic, and Stackpole. Cut Tape & Digi-Reel packaging is available from YAGEO (RC series), Rohm (MCR series), and Vishay Dale.
Frequently Asked Questions (FAQ)
Q: Can I substitute RC1608F431CS with any of the listed parts without circuit redesign?
A: Yes. All listed substitute parts maintain identical resistance (430Ω), tolerance (±1%), power rating (0.1W), package format (0603), temperature coefficient (±100ppm/°C), and operating temperature range (-55°C to 155°C). Direct substitution is electrically and mechanically compatible.
Q: What is the difference between Direct, Upgrade, and Similar substitutes?
A: Direct substitutes (CR0603-FX-4300ELF, RC0603FR-07430RL) match all specifications without additional features. Upgrade substitutes (KTR03EZPF4300, MCR03ERTF4300, AC0603FR-07430RL, CRCW0603430RFKEA, ERJ-3EKF4300V, RMCF0603FT430R) include Automotive AEC-Q200 certification or High Voltage capability. Similar substitutes maintain functional equivalence with minor dimensional variations.
Q: Are all substitute parts RoHS3 compliant?
A: Yes. All identified substitute parts are RoHS3 compliant and REACH unaffected, matching the environmental compliance status of the RC1608F431CS.
Q: Which substitute part has the highest inventory availability?
A: RC0603FR-07430RL (YAGEO) has 135,075 pieces in stock, followed by RMCF0603FT430R (Stackpole) with 113,211 pieces and ERJ-3EKF4300V (Panasonic) with 127,572 pieces.
Q: Can I use MCR03ERTF4300 in a new design?
A: MCR03ERTF4300 is discontinued at DiGi Electronics. While 819 pieces remain in current inventory, this part should not be selected for new designs. Use active alternatives such as KTR03EZPF4300 or CR0603-FX-4300ELF instead.
Q: What is the difference between Tape & Reel and Cut Tape & Digi-Reel packaging?
A: Both packaging formats are suitable for automated assembly. Tape & Reel is continuous reel format for high-volume production. Cut Tape & Digi-Reel provides flexibility for lower-volume or mixed-component assembly. Electrical and mechanical specifications remain identical regardless of packaging format.
Q: Are automotive-qualified parts (AEC-Q200) suitable for non-automotive applications?
A: Yes. Automotive AEC-Q200 qualified parts exceed standard industrial specifications and are fully compatible with non-automotive applications. They provide enhanced reliability and temperature stability.
Q: What is Moisture Sensitivity Level (MSL) 1?
A: MSL 1 indicates unlimited shelf life without moisture baking requirements. The RC1608F431CS and all substitute parts with MSL 1 can be stored indefinitely without special moisture control measures.
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