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RC1608J333CS Equivalent & Substitute Parts Reference
Part Overview
The RC1608J333CS is a 33 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 and is designed for general-purpose applications requiring moisture-resistant thick film construction. The part is ROHS3 compliant with MSL 1 rating, indicating unlimited moisture sensitivity protection.
Equivalent and substitute parts are necessary when the original manufacturer part becomes unavailable, when alternative packaging formats are required, or when enhanced specifications such as tighter tolerance or automotive-grade qualification are needed for specific application requirements.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Resistance | 33 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 | 1 (Unlimited) |
| RoHS Status | ROHS3 Compliant |
Substitute Part Grouping Explanation
Substitution eligibility for the RC1608J333CS is determined by the following mandatory parameters:
Core Electrical Parameters:
- Resistance value: 33 kOhms (exact match required)
- Power rating: 0.1W minimum (equal or higher acceptable)
- Operating temperature range: -55°C ~ 155°C minimum (equal or wider acceptable)
- Package: 0603 (1608 Metric) form factor (exact match required)
Tolerance Considerations:
- Direct substitutes maintain ±5% tolerance matching the original specification
- Upgraded substitutes with ±1% tolerance provide tighter tolerance performance while maintaining electrical compatibility
Composition & Construction:
- All substitute parts utilize thick film construction consistent with the original design
- Moisture-resistant features are preserved across direct substitute options
Compliance & Certifications:
- ROHS3 compliance is maintained across all substitute parts
- MSL 1 rating is standard across all options
- Automotive AEC-Q200 certification is available in upgrade options but not required for direct substitution
Substitute parts are categorized as either Direct Substitutes (matching tolerance and general specifications) or Upgrade Substitutes (enhanced tolerance or automotive qualification).
Parameter Comparison
| Part Number | Manufacturer | Resistance | Tolerance | Power (W) | Temp Coeff (ppm/°C) | Operating Temp (°C) | Package | AEC-Q200 | Packaging Format |
|---|---|---|---|---|---|---|---|---|---|
| RC1608J333CS | Samsung Electro-Mechanics | 33 kOhms | ±5% | 0.1 | ±100 | -55 ~ 155 | 0603 | No | Tape & Reel |
| RC0603JR-0733KL | YAGEO | 33 kOhms | ±5% | 0.1 | ±100 | -55 ~ 155 | 0603 | No | Cut Tape & Digi-Reel |
| RMCF0603FT33K0 | Stackpole Electronics Inc | 33 kOhms | ±1% | 0.1 | ±100 | -55 ~ 155 | 0603 | Yes | Tape & Reel |
| RMCF0603JT33K0 | Stackpole Electronics Inc | 33 kOhms | ±5% | 0.1 | ±200 | -55 ~ 155 | 0603 | Yes | Tape & Reel |
| CRG0603F33K | TE Connectivity Passive Product | 33 kOhms | ±1% | 0.1 | ±100 | -55 ~ 155 | 0603 | No | Tape & Reel |
| ERJ-3EKF3302V | Panasonic Electronic Components | 33 kOhms | ±1% | 0.1 | ±100 | -55 ~ 155 | 0603 | Yes | Cut Tape & Digi-Reel |
| ERJ-3GEYJ333V | Panasonic Electronic Components | 33 kOhms | ±5% | 0.1 | ±200 | -55 ~ 155 | 0603 | Yes | Cut Tape & Digi-Reel |
| KTR03EZPF3302 | Rohm Semiconductor | 33 kOhms | ±1% | 0.1 | ±100 | -55 ~ 155 | 0603 | Yes | Tape & Reel |
| KTR03EZPJ333 | Rohm Semiconductor | 33 kOhms | ±5% | 0.1 | ±200 | -55 ~ 155 | 0603 | Yes | Tape & Reel |
| RC0603FR-0733KL | YAGEO | 33 kOhms | ±1% | 0.1 | ±100 | -55 ~ 155 | 0603 | No | Cut Tape & Digi-Reel |
| RMCF0603FG33K0 | Stackpole Electronics Inc | 33 kOhms | ±1% | 0.1 | ±100 | -55 ~ 155 | 0603 | Yes | Tape & Reel |
Engineering Selection Recommendations
Direct Substitutes (Matching Tolerance ±5%):
RC0603JR-0733KL (YAGEO) serves as a direct functional equivalent with identical electrical specifications. This part maintains ±5% tolerance, ±100ppm/°C temperature coefficient, and moisture-resistant thick film construction. The primary difference is packaging format availability as Cut Tape & Digi-Reel, which may be advantageous for applications requiring alternative supply chain logistics.
RMCF0603JT33K0 (Stackpole Electronics Inc) and ERJ-3GEYJ333V (Panasonic Electronic Components) are direct tolerance matches with AEC-Q200 automotive qualification. These parts are suitable for applications requiring automotive-grade reliability. Note that RMCF0603JT33K0 specifies ±200ppm/°C temperature coefficient compared to the original ±100ppm/°C specification.
KTR03EZPJ333 (Rohm Semiconductor) provides direct tolerance matching with AEC-Q200 automotive qualification and high voltage features. Temperature coefficient is specified at ±200ppm/°C.
Upgrade Substitutes (Tighter Tolerance ±1%):
RMCF0603FT33K0 (Stackpole Electronics Inc), CRG0603F33K (TE Connectivity Passive Product), ERJ-3EKF3302V (Panasonic Electronic Components), KTR03EZPF3302 (Rohm Semiconductor), RC0603FR-0733KL (YAGEO), and RMCF0603FG33K0 (Stackpole Electronics Inc) all provide ±1% tolerance with maintained ±100ppm/°C temperature coefficient. These parts are suitable for applications requiring improved accuracy over the original ±5% specification.
Among upgrade options, RMCF0603FT33K0, ERJ-3EKF3302V, KTR03EZPF3302, and RMCF0603FG33K0 include AEC-Q200 automotive qualification, making them appropriate for automotive and high-reliability applications.
All substitute parts maintain ROHS3 compliance, MSL 1 rating, and -55°C ~ 155°C operating temperature range consistent with the original specification.
Frequently Asked Questions (FAQ)
Q: Can RC0603JR-0733KL replace RC1608J333CS directly in production?
A: Yes. RC0603JR-0733KL is a direct functional equivalent with identical resistance (33 kOhms), tolerance (±5%), power rating (0.1W), and operating temperature range (-55°C ~ 155°C). Both parts use 0603 package form factor and thick film construction. The primary difference is packaging format (Cut Tape & Digi-Reel versus Tape & Reel), which does not affect electrical performance.
Q: What is the difference between direct substitutes and upgrade substitutes?
A: Direct substitutes maintain the original ±5% tolerance specification. Upgrade substitutes provide tighter ±1% tolerance, which improves accuracy for applications requiring closer resistance values. All upgrade substitutes maintain the same 33 kOhms resistance, 0.1W power rating, and -55°C ~ 155°C operating temperature range. Some upgrade options include AEC-Q200 automotive qualification, which is not present in the original part.
Q: Are AEC-Q200 qualified parts compatible with non-automotive applications?
A: Yes. AEC-Q200 qualification indicates automotive-grade reliability testing and is a superset of general industrial specifications. Parts with AEC-Q200 certification can be used in non-automotive applications without compatibility issues. The electrical and mechanical parameters remain identical to non-automotive equivalents.
Q: Does packaging format (Tape & Reel versus Cut Tape & Digi-Reel) affect electrical performance?
A: No. Packaging format affects supply chain logistics, handling, and storage procedures but does not alter electrical performance. Both Tape & Reel and Cut Tape & Digi-Reel formats provide identical component specifications and performance characteristics.
Q: Can I use a ±1% tolerance part where ±5% is specified?
A: Yes. A ±1% tolerance part provides tighter accuracy than required by a ±5% specification. The component will function correctly in any application designed for ±5% tolerance. This substitution is appropriate when improved accuracy is beneficial or when the ±1% part is more readily available.
Q: What is the significance of temperature coefficient differences (±100ppm/°C versus ±200ppm/°C)?
A: Temperature coefficient indicates how much the resistance value changes with temperature. ±100ppm/°C means the resistance changes by 0.01% per degree Celsius, while ±200ppm/°C means 0.02% per degree Celsius. For applications operating across the full -55°C ~ 155°C range (210°C span), a ±100ppm/°C part will experience maximum drift of ±2.1%, while a ±200ppm/°C part will experience ±4.2% drift. Select based on application tolerance requirements.
Q: Are all substitute parts ROHS3 compliant?
A: Yes. All substitute parts listed maintain ROHS3 compliance and MSL 1 (Unlimited) moisture sensitivity rating, consistent with the original RC1608J333CS specification.
Q: Which substitute offers the best availability?
A: Inventory levels are provided for reference. RMCF0603FT33K0 (Stackpole Electronics Inc) shows the highest inventory at 484,345 pieces. However, availability changes over time and should be verified with current supplier data at the time of procurement.
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