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RC1608J274CS Equivalent & Substitute Parts Reference
Part Overview
The RC1608J274CS is a 270 kOhms ±5% 0.1W thick film chip resistor in 0603 (1608 Metric) package manufactured by Samsung Electro-Mechanics. This component is classified as Active product status with 711 pieces currently in stock. The part is moisture resistant and suitable for general-purpose applications across the operating temperature range of -55°C to 155°C. Equivalent and substitute parts are identified to provide design flexibility, supply chain alternatives, and performance upgrades when required for specific application requirements.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Resistance | 270 kOhms |
| Tolerance | ±5% |
| 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 (MSL) | 1 (Unlimited) |
| RoHS Status | ROHS3 Compliant |
| Number of Terminations | 2 |
Substitute Part Grouping Explanation
Substitution of the RC1608J274CS is determined by strict equivalence of the following critical parameters:
Mandatory Matching Parameters:
- Resistance value: 270 kOhms
- Package / Case: 0603 (1608 Metric)
- Power rating: 0.1W (1/10W)
- Number of terminations: 2
- Composition: Thick Film
- Operating temperature range: -55°C ~ 155°C
- RoHS compliance: ROHS3 Compliant
- MSL rating: 1 (Unlimited)
Allowable Variation Parameters:
- Tolerance: ±5% (base specification) or ±1% (upgrade specification)
- Temperature coefficient: ±100ppm/°C (base) or ±200ppm/°C (acceptable variation)
- Features: Moisture resistant (base) or Automotive AEC-Q200 (enhanced specification)
Substitute parts are categorized as Direct Equivalents (matching all parameters), Upgrades (improved tolerance or automotive qualification), or Similar (enhanced features with compatible electrical characteristics).
Parameter Comparison
| Manufacturer Part Number | Manufacturer | Resistance | Tolerance | Power (W) | Temp Coeff (ppm/°C) | Features | Product Status | Inventory |
|---|---|---|---|---|---|---|---|---|
| RC1608J274CS | Samsung Electro-Mechanics | 270 kOhms | ±5% | 0.1 | ±100 | Moisture Resistant | Active | 711 |
| RC0603JR-07270KL | YAGEO | 270 kOhms | ±5% | 0.1 | ±100 | Moisture Resistant | Active | 122996 |
| ERJ-3GEYJ274V | Panasonic Electronic Components | 270 kOhms | ±5% | 0.1 | ±200 | Automotive AEC-Q200 | Active | 88837 |
| ERJ-3EKF2703V | Panasonic Electronic Components | 270 kOhms | ±1% | 0.1 | ±100 | Automotive AEC-Q200 | Active | 67363 |
| KTR03EZPF2703 | Rohm Semiconductor | 270 kOhms | ±1% | 0.1 | ±100 | Automotive AEC-Q200, High Voltage | Active | 4378 |
| MCR03ERTJ274 | Rohm Semiconductor | 270 kOhms | ±5% | 0.1 | ±200 | Standard | Discontinued at DiGi Electronics | 1424 |
| RC0603FR-07270KL | YAGEO | 270 kOhms | ±1% | 0.1 | ±100 | Moisture Resistant | Active | 124369 |
| RMCF0603FT270K | Stackpole Electronics Inc | 270 kOhms | ±1% | 0.1 | ±100 | Automotive AEC-Q200 | Active | 64038 |
| RMCF0603JT270K | Stackpole Electronics Inc | 270 kOhms | ±5% | 0.1 | ±200 | Automotive AEC-Q200 | Active | 7004 |
| AC0603JR-07270KL | YAGEO | 270 kOhms | ±5% | 0.1 | ±100 | Automotive AEC-Q200, Moisture Resistant | Active | 1643 |
Engineering Selection Recommendations
Direct Equivalent Selection: RC0603JR-07270KL (YAGEO) is the primary direct equivalent to RC1608J274CS. Both parts share identical electrical specifications (270 kOhms ±5%, 0.1W, ±100ppm/°C) and moisture-resistant thick film composition. RC0603JR-07270KL maintains Active product status with significantly higher inventory availability (122996 units), making it the preferred choice for direct substitution without design modification.
Tolerance Upgrade Selection: RC0603FR-07270KL (YAGEO) and ERJ-3EKF2703V (Panasonic) provide ±1% tolerance upgrade while maintaining all other electrical and mechanical compatibility. RC0603FR-07270KL retains moisture-resistant features with 124369 units in stock. ERJ-3EKF2703V adds Automotive AEC-Q200 qualification with 67363 units available. Both are suitable when improved tolerance performance is required.
Automotive-Qualified Selection: ERJ-3GEYJ274V (Panasonic), RMCF0603FT270K (Stackpole), and RMCF0603JT270K (Stackpole) provide Automotive AEC-Q200 certification while maintaining the ±5% tolerance specification. These parts are appropriate for automotive and high-reliability applications. RMCF0603FT270K offers ±1% tolerance with AEC-Q200 qualification.
Avoid: MCR03ERTJ274 (Rohm Semiconductor) is marked as Discontinued at DiGi Electronics and should not be selected for new designs despite current inventory availability.
Frequently Asked Questions (FAQ)
Q: Can RC0603JR-07270KL directly replace RC1608J274CS without PCB modification?
A: Yes. RC0603JR-07270KL is a direct equivalent with identical package dimensions (0603/1608 Metric), resistance value (270 kOhms), tolerance (±5%), power rating (0.1W), and operating temperature range (-55°C to 155°C). No PCB layout changes are required.
Q: What is the difference between ±5% and ±1% tolerance parts?
A: Tolerance specifies the maximum deviation from the nominal 270 kOhm value. ±5% tolerance allows deviation between 256.5 kOhms and 283.5 kOhms. ±1% tolerance restricts deviation to 267.3 kOhms to 272.7 kOhms. Select ±1% parts when circuit performance requires tighter resistance accuracy.
Q: Are Automotive AEC-Q200 parts suitable for non-automotive applications?
A: Yes. Automotive AEC-Q200 qualified parts meet or exceed general industrial specifications and are fully compatible with non-automotive designs. AEC-Q200 certification indicates enhanced reliability testing and qualification, making these parts suitable for any application.
Q: What does Moisture Sensitivity Level (MSL) 1 mean?
A: MSL 1 indicates unlimited shelf life without moisture absorption concerns. The part does not require special dry-pack storage or baking procedures before soldering, simplifying inventory management and assembly processes.
Q: Can I use RMCF0603FT270K (±1%, AEC-Q200) in place of RC1608J274CS (±5%, standard)?
A: Yes. RMCF0603FT270K is a compatible upgrade. It maintains identical package, resistance, and power rating while providing improved tolerance (±1%) and automotive qualification. No circuit redesign is necessary.
Q: Why is MCR03ERTJ274 listed if it is discontinued?
A: MCR03ERTJ274 is included in the reference for historical documentation and supply chain awareness. It should not be selected for new designs. Use active alternatives such as RC0603JR-07270KL or RMCF0603JT270K instead.
Q: What is the significance of Temperature Coefficient ±100ppm/°C versus ±200ppm/°C?
A: Temperature coefficient indicates resistance change per degree Celsius. ±100ppm/°C produces smaller resistance variation across temperature extremes compared to ±200ppm/°C. Select ±100ppm/°C parts for temperature-sensitive circuits requiring stable resistance performance.
Q: Are all listed parts ROHS3 compliant?
A: Yes. All substitute parts listed maintain ROHS3 compliance, ensuring compatibility with environmental regulations and procurement requirements.
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