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RC1608J510CS Equivalent & Substitute Parts Reference
Part Overview
The RC1608J510CS is a 51 Ohm ±5% 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 RoHS3 compliance and unlimited moisture sensitivity level (MSL 1). The part is designed for general-purpose applications requiring moisture-resistant thick film construction across the operating temperature range of -55°C to 155°C.
Equivalent and substitute parts are identified based on matching electrical specifications (51 Ohms resistance, ±5% tolerance, 0.1W power rating), mechanical compatibility (0603 package, 2 terminations), and environmental ratings. Substitute parts are categorized as direct equivalents, upgrades with improved tolerance, or similar alternatives with additional certifications.
Substiute Parts
Key Parameters
| Parameter | Value | Specification Basis |
|---|---|---|
| Resistance | 51 Ohms | Core electrical specification |
| Tolerance | ±5% | Defines substitution compatibility |
| Power Rating | 0.1W (1/10W) | Thermal and electrical capability |
| Package / Case | 0603 (1608 Metric) | Physical and mechanical compatibility |
| Composition | Thick Film | Technology type |
| Operating Temperature | -55°C ~ 155°C | Environmental operating range |
| Moisture Sensitivity Level | MSL 1 (Unlimited) | Handling and storage requirements |
| RoHS Status | ROHS3 Compliant | Regulatory compliance |
| Number of Terminations | 2 | Circuit connection points |
Substitute Part Grouping Explanation
Substitute parts are classified into three categories based on electrical and mechanical compatibility with the RC1608J510CS:
Direct Equivalents maintain identical electrical specifications: 51 Ohms resistance, ±5% tolerance, 0.1W power rating, 0603 package, thick film composition, and -55°C to 155°C operating temperature range. These parts differ only in manufacturer, series designation, and packaging format (Tape & Reel versus Cut Tape). Direct equivalents include RC0603JR-0751RL (YAGEO) and RMCF0603JT51R0 (Stackpole Electronics Inc).
Upgrade Parts improve tolerance specification from ±5% to ±1% while maintaining all other core parameters: 51 Ohms resistance, 0.1W power rating, 0603 package, thick film composition, and -55°C to 155°C operating temperature. Upgrade parts are electrically interchangeable with enhanced precision. This category includes CRG0603F51R (TE Connectivity), ERJ-3EKF51R0V (Panasonic), KTR03EZPF51R0 (Rohm Semiconductor), RC0603FR-0751RL (YAGEO), and RMCF0603FT51R0 (Stackpole Electronics Inc).
Similar Parts maintain ±5% tolerance and all core electrical specifications but include additional certifications such as Automotive AEC-Q200 rating or enhanced features. These parts are mechanically and electrically compatible with the main part. Similar category includes AC0603JR-0751RL (YAGEO) and ERJ-3GEYJ510V (Panasonic).
Substitution logic is based strictly on the following allowed parameters: resistance value, tolerance, power rating, package type, composition, operating temperature range, and compliance certifications. All substitute parts maintain MSL 1 rating and RoHS3 compliance.
Parameter Comparison
| Manufacturer Part Number | Manufacturer | Resistance | Tolerance | Power (W) | Package | Temp Coeff (ppm/°C) | Operating Temp (°C) | Features | Packaging Format |
|---|---|---|---|---|---|---|---|---|---|
| RC1608J510CS | Samsung Electro-Mechanics | 51 Ω | ±5% | 0.1 | 0603 | ±100 | -55 ~ 155 | Moisture Resistant | Tape & Reel |
| RC0603JR-0751RL | YAGEO | 51 Ω | ±5% | 0.1 | 0603 | ±100 | -55 ~ 155 | Moisture Resistant | Cut Tape & Digi-Reel |
| RMCF0603JT51R0 | Stackpole Electronics Inc | 51 Ω | ±5% | 0.1 | 0603 | ±200 | -55 ~ 155 | Automotive AEC-Q200 | Tape & Reel |
| CRG0603F51R | TE Connectivity Passive Product | 51 Ω | ±1% | 0.1 | 0603 | ±200 | -55 ~ 155 | None | Tape & Reel |
| ERJ-3EKF51R0V | Panasonic Electronic Components | 51 Ω | ±1% | 0.1 | 0603 | ±100 | -55 ~ 155 | Automotive AEC-Q200 | Tape & Reel |
| ERJ-3GEYJ510V | Panasonic Electronic Components | 51 Ω | ±5% | 0.1 | 0603 | ±200 | -55 ~ 155 | Automotive AEC-Q200 | Tape & Reel |
| KTR03EZPF51R0 | Rohm Semiconductor | 51 Ω | ±1% | 0.1 | 0603 | ±100 | -55 ~ 155 | Automotive AEC-Q200, High Voltage | Tape & Reel |
| RC0603FR-0751RL | YAGEO | 51 Ω | ±1% | 0.1 | 0603 | ±100 | -55 ~ 155 | Moisture Resistant | Cut Tape & Digi-Reel |
| RMCF0603FT51R0 | Stackpole Electronics Inc | 51 Ω | ±1% | 0.1 | 0603 | ±100 | -55 ~ 155 | Automotive AEC-Q200 | Tape & Reel |
| RMCF0603JG51R0 | Stackpole Electronics Inc | 51 Ω | ±5% | 0.1 | 0603 | ±200 | -55 ~ 155 | Automotive AEC-Q200 | Tape & Reel |
| AC0603JR-0751RL | YAGEO | 51 Ω | ±5% | 0.1 | 0603 | ±100 | -55 ~ 155 | Automotive AEC-Q200, Moisture Resistant | Tape & Reel |
Engineering Selection Recommendations
For Direct Replacement (Identical Specifications)
RC0603JR-0751RL (YAGEO) and RMCF0603JT51R0 (Stackpole Electronics Inc) are direct electrical and mechanical equivalents to RC1608J510CS. Both maintain 51 Ohms ±5% tolerance, 0.1W power rating, 0603 package, and -55°C to 155°C operating temperature. RC0603JR-0751RL is available in Cut Tape & Digi-Reel packaging, while RMCF0603JT51R0 is supplied in Tape & Reel format. Both are RoHS3 compliant with MSL 1 rating. Selection between these parts depends on packaging format requirements and inventory availability.
For Enhanced Tolerance Applications
Upgrade parts with ±1% tolerance (CRG0603F51R, ERJ-3EKF51R0V, KTR03EZPF51R0, RC0603FR-0751RL, RMCF0603FT51R0) are electrically interchangeable with improved precision specification. These parts maintain identical 51 Ohms resistance, 0.1W power rating, 0603 package, and operating temperature range. Selection among upgrade parts depends on feature requirements: ERJ-3EKF51R0V and KTR03EZPF51R0 include Automotive AEC-Q200 certification; RC0603FR-0751RL includes moisture-resistant features; RMCF0603FT51R0 combines AEC-Q200 certification with ±100ppm/°C temperature coefficient.
For Automotive and Certified Applications
Parts with Automotive AEC-Q200 certification (RMCF0603JT51R0, ERJ-3EKF51R0V, ERJ-3GEYJ510V, KTR03EZPF51R0, RMCF0603FT51R0, RMCF0603JG51R0, AC0603JR-0751RL) are suitable for applications requiring automotive-grade reliability. AC0603JR-0751RL combines AEC-Q200 certification with moisture-resistant features and ±5% tolerance, providing direct specification match with enhanced automotive qualification. KTR03EZPF51R0 includes high-voltage capability in addition to AEC-Q200 rating.
All substitute parts maintain RoHS3 compliance and MSL 1 (unlimited) moisture sensitivity level, ensuring regulatory and handling compatibility with the original RC1608J510CS specification.
Frequently Asked Questions (FAQ)
Q: Can RC0603JR-0751RL replace RC1608J510CS in all applications?
A: RC0603JR-0751RL is a direct electrical and mechanical equivalent with identical 51 Ohms ±5% tolerance, 0.1W power rating, 0603 package, and -55°C to 155°C operating temperature. The primary difference is packaging format: RC0603JR-0751RL is supplied in Cut Tape & Digi-Reel format while RC1608J510CS uses Tape & Reel. Both are RoHS3 compliant with MSL 1 rating. Compatibility depends on your assembly equipment's ability to process the different packaging format.
Q: What is the difference between direct equivalents and upgrade parts?
A: Direct equivalents (RC0603JR-0751RL, RMCF0603JT51R0) maintain identical ±5% tolerance specification. Upgrade parts (CRG0603F51R, ERJ-3EKF51R0V, KTR03EZPF51R0, RC0603FR-0751RL, RMCF0603FT51R0) improve tolerance to ±1% while maintaining all other core parameters. Upgrade parts are electrically interchangeable and provide enhanced precision for applications requiring tighter resistance tolerance.
Q: Are all substitute parts RoHS3 compliant?
A: All substitute parts listed maintain RoHS3 compliance status identical to RC1608J510CS. All parts also maintain MSL 1 (unlimited) moisture sensitivity level, ensuring equivalent handling and storage requirements.
Q: Which substitute part should I select for automotive applications?
A: For automotive applications, select parts with Automotive AEC-Q200 certification: RMCF0603JT51R0, ERJ-3EKF51R0V, ERJ-3GEYJ510V, KTR03EZPF51R0, RMCF0603FT51R0, RMCF0603JG51R0, or AC0603JR-0751RL. AC0603JR-0751RL provides direct ±5% tolerance match with AEC-Q200 certification and moisture-resistant features. ERJ-3EKF51R0V and RMCF0603FT51R0 offer ±1% tolerance upgrade with AEC-Q200 certification.
Q: What is the significance of temperature coefficient differences?
A: Temperature coefficient values (±100ppm/°C or ±200ppm/°C) indicate resistance change per degree Celsius. RC1608J510CS specifies ±100ppm/°C. Substitute parts with ±100ppm/°C (RC0603JR-0751RL, ERJ-3EKF51R0V, KTR03EZPF51R0, RC0603FR-0751RL, RMCF0603FT51R0) maintain identical temperature stability. Parts with ±200ppm/°C (RMCF0603JT51R0, CRG0603F51R, ERJ-3GEYJ510V, RMCF0603JG51R0) exhibit twice the temperature coefficient but remain within acceptable operating range for most applications.
Q: Can I use ±1% tolerance parts as direct replacements for ±5% specification?
A: Yes. Upgrade parts with ±1% tolerance are electrically interchangeable with ±5% specification parts. The ±1% tolerance is a tighter specification that satisfies applications requiring ±5% tolerance. This substitution improves circuit precision without affecting compatibility or performance.
Q: What packaging format differences exist among substitute parts?
A: RC1608J510CS is supplied in Tape & Reel (TR) format. Most substitute parts use identical Tape & Reel packaging. RC0603JR-0751RL and RC0603FR-0751RL are supplied in Cut Tape (CT) & Digi-Reel format. Packaging format affects assembly equipment compatibility and handling procedures but does not impact electrical or mechanical performance.
Q: Are there inventory considerations when selecting substitute parts?
A: Inventory availability varies significantly among substitute parts. RC0603JR-0751RL (YAGEO) shows highest inventory at 1,000,300 pieces. RMCF0603FT51R0 (Stackpole) has 290,346 pieces. KTR03EZPF51R0 (Rohm) has limited inventory at 1,235 pieces. Inventory levels should be verified at time of procurement to ensure supply continuity.
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