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RC3216F512CS Equivalent & Substitute Parts
Part Overview
The RC3216F512CS is a 5.1 kOhm ±1% 0.25W thick film chip resistor in 1206 (3216 Metric) package manufactured by Samsung Electro-Mechanics. 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, making it suitable for general industrial and commercial applications. Equivalent and substitute parts are identified based on matching electrical specifications, mechanical dimensions, and package compatibility to ensure direct circuit board replacement capability.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Resistance | 5.1 kOhms |
| Tolerance | ±1% |
| Power Rating | 0.25W (1/4W) |
| Package / Case | 1206 (3216 Metric) |
| Composition | Thick Film |
| Temperature Coefficient | ±100ppm/°C |
| Operating Temperature Range | -55°C ~ 155°C |
| RoHS Status | ROHS3 Compliant |
| Moisture Sensitivity Level | 1 (Unlimited) |
Substitute Part Grouping Explanation
Substitute parts are classified into two categories based on substitution compatibility:
Direct Substitutes maintain identical electrical specifications (5.1 kOhms ±1%, 0.25W) and mechanical package dimensions (1206), ensuring pin-for-pin and footprint compatibility:
- CR1206-FX-5101ELF (Bourns Inc.)
- RC1206FR-075K1L (YAGEO)
- RMCF1206FT5K10 (Stackpole Electronics Inc)
- ERJ-8ENF5101V (Panasonic Electronic Components)
Similar Substitutes share the core electrical specifications and 1206 package but include enhanced features, modified power ratings, or improved tolerance specifications:
- AC1206FR-075K1L (YAGEO) — includes AEC-Q200 automotive rating and moisture resistance
- CRCW12065K10FKEA (Vishay Dale) — includes AEC-Q200 automotive rating
- CRCW12065K10FKEAHP (Vishay Dale) — increased power rating (0.75W) with pulse withstanding capability
- ESR18EZPD5101 (Rohm Semiconductor) — improved tolerance (±0.5%) and increased power rating (0.5W) with pulse withstanding
- KTR18EZPF5101 (Rohm Semiconductor) — includes AEC-Q200 automotive rating and high voltage capability
- TRR18EZPF5101 (Rohm Semiconductor) — anti-sulfur thick film composition, obsolete status
Substitution logic is based on matching resistance value, tolerance, package type, composition, temperature coefficient, and operating temperature range. Enhanced features or certifications in similar substitutes do not prevent their use in applications requiring the base specification.
Parameter Comparison
| Manufacturer Part Number | Manufacturer | Resistance | Tolerance | Power (Watts) | Package | Composition | Temp Coeff | Operating Temp | Product Status | RoHS Status | MSL |
|---|---|---|---|---|---|---|---|---|---|---|---|
| RC3216F512CS | Samsung Electro-Mechanics | 5.1 kOhms | ±1% | 0.25W | 1206 | Thick Film | ±100ppm/°C | -55°C ~ 155°C | Active | ROHS3 | 1 |
| CR1206-FX-5101ELF | Bourns Inc. | 5.1 kOhms | ±1% | 0.25W | 1206 | Thick Film | ±100ppm/°C | -55°C ~ 155°C | Active | ROHS3 | 1 |
| RC1206FR-075K1L | YAGEO | 5.1 kOhms | ±1% | 0.25W | 1206 | Thick Film | ±100ppm/°C | -55°C ~ 155°C | Active | ROHS3 | 1 |
| RMCF1206FT5K10 | Stackpole Electronics Inc | 5.1 kOhms | ±1% | 0.25W | 1206 | Thick Film | ±100ppm/°C | -55°C ~ 155°C | Active | ROHS3 | 1 |
| ERJ-8ENF5101V | Panasonic Electronic Components | 5.1 kOhms | ±1% | 0.25W | 1206 | Thick Film | ±100ppm/°C | -55°C ~ 155°C | Not For New Designs | ROHS3 | 1 |
| AC1206FR-075K1L | YAGEO | 5.1 kOhms | ±1% | 0.25W | 1206 | Thick Film | ±100ppm/°C | -55°C ~ 155°C | Active | ROHS3 | 1 |
| CRCW12065K10FKEA | Vishay Dale | 5.1 kOhms | ±1% | 0.25W | 1206 | Thick Film | ±100ppm/°C | -55°C ~ 155°C | Active | ROHS3 | 1 |
| CRCW12065K10FKEAHP | Vishay Dale | 5.1 kOhms | ±1% | 0.75W | 1206 | Thick Film | ±100ppm/°C | -55°C ~ 155°C | Active | ROHS3 | 1 |
| ESR18EZPD5101 | Rohm Semiconductor | 5.1 kOhms | ±0.5% | 0.5W | 1206 | Thick Film | ±100ppm/°C | -55°C ~ 155°C | Active | ROHS3 | 1 |
| KTR18EZPF5101 | Rohm Semiconductor | 5.1 kOhms | ±1% | 0.25W | 1206 | Thick Film | ±100ppm/°C | -55°C ~ 155°C | Active | ROHS3 | 1 |
| TRR18EZPF5101 | Rohm Semiconductor | 5.1 kOhms | ±1% | 0.25W | 1206 | Thick Film | ±100ppm/°C | -55°C ~ 155°C | Obsolete | ROHS3 | 1 |
Engineering Selection Recommendations
For Direct Replacement (Identical Specifications):
CR1206-FX-5101ELF, RC1206FR-075K1L, and RMCF1206FT5K10 are suitable direct substitutes with Active product status and identical electrical and mechanical specifications. These parts maintain the 5.1 kOhms ±1% 0.25W rating in 1206 package with matching temperature coefficient and operating range. All are RoHS3 compliant with MSL 1 rating.
For Enhanced Reliability Applications:
RMCF1206FT5K10 (Stackpole Electronics Inc) includes AEC-Q200 automotive qualification, providing enhanced reliability for applications requiring automotive-grade components while maintaining identical base specifications.
For Improved Tolerance Requirements:
ESR18EZPD5101 (Rohm Semiconductor) provides ±0.5% tolerance (improved from ±1%) with increased power rating (0.5W) and AEC-Q200 automotive qualification. This part is suitable for applications requiring tighter tolerance control.
For Increased Power Dissipation:
CRCW12065K10FKEAHP (Vishay Dale) offers 0.75W power rating with pulse withstanding capability while maintaining the 5.1 kOhms ±1% specification. This part accommodates applications with higher power dissipation requirements.
Parts to Avoid for New Designs:
ERJ-8ENF5101V (Panasonic Electronic Components) carries "Not For New Designs" status and should not be selected for new circuit development. TRR18EZPF5101 (Rohm Semiconductor) is classified as Obsolete and is not recommended for any new applications.
Frequently Asked Questions (FAQ)
Q: Can CR1206-FX-5101ELF replace RC3216F512CS directly on the circuit board?
A: Yes. CR1206-FX-5101ELF is a direct substitute with identical resistance (5.1 kOhms), tolerance (±1%), power rating (0.25W), and 1206 package dimensions. Both parts have matching electrical characteristics and operating temperature range (-55°C ~ 155°C). Physical dimensions are compatible for PCB footprint replacement.
Q: What is the difference between direct substitutes and similar substitutes?
A: Direct substitutes (CR1206-FX-5101ELF, RC1206FR-075K1L, RMCF1206FT5K10, ERJ-8ENF5101V) maintain identical electrical specifications and power ratings. Similar substitutes include enhanced features such as AEC-Q200 automotive certification, improved tolerance, increased power rating, or specialized composition. Similar substitutes are functionally compatible but offer additional capabilities beyond the base specification.
Q: Is CRCW12065K10FKEAHP suitable as a replacement for RC3216F512CS?
A: CRCW12065K10FKEAHP is compatible for circuit board replacement due to matching resistance value, tolerance, 1206 package, and operating temperature range. However, this part has a higher power rating (0.75W versus 0.25W). In applications where the original 0.25W rating is sufficient, the higher power rating does not create a functional problem. The part will operate within specification in the RC3216F512CS application.
Q: Why is ERJ-8ENF5101V listed if it has "Not For New Designs" status?
A: ERJ-8ENF5101V is included in the substitute list because it meets all electrical and mechanical compatibility criteria with the main part. However, its "Not For New Designs" status indicates that Panasonic Electronic Components recommends against using this part for new circuit development. For new designs, select from parts with Active status such as CR1206-FX-5101ELF, RC1206FR-075K1L, or RMCF1206FT5K10.
Q: What does AEC-Q200 certification mean for resistor selection?
A: AEC-Q200 is an automotive industry qualification standard. Parts carrying this certification (RMCF1206FT5K10, AC1206FR-075K1L, CRCW12065K10FKEA, ESR18EZPD5101, KTR18EZPF5101) have undergone enhanced reliability testing and are approved for automotive applications. These parts are suitable for both automotive and general industrial applications. Non-AEC-Q200 parts (RC3216F512CS, CR1206-FX-5101ELF, RC1206FR-075K1L) are suitable for general industrial and commercial use.
Q: Can I use ESR18EZPD5101 in place of RC3216F512CS if tolerance is critical?
A: Yes. ESR18EZPD5101 provides ±0.5% tolerance compared to the RC3216F512CS ±1% tolerance, offering improved accuracy. The part maintains the 5.1 kOhms resistance value and 1206 package compatibility. The increased power rating (0.5W) and AEC-Q200 certification are additional benefits. This substitution is appropriate for applications requiring tighter tolerance control.
Q: Are all substitute parts RoHS3 compliant?
A: Yes. All listed substitute parts carry RoHS3 compliance status, matching the RC3216F512CS compliance level. All parts are also REACH unaffected and have MSL 1 (unlimited) moisture sensitivity level, ensuring environmental and regulatory compatibility.
Q: What packaging options are available for these substitutes?
A: Substitute parts are available in two packaging formats: Cut Tape (CT) & Digi-Reel® and Tape & Reel (TR). RC3216F512CS, CR1206-FX-5101ELF, RC1206FR-075K1L, RMCF1206FT5K10, AC1206FR-075K1L, CRCW12065K10FKEA, and TRR18EZPF5101 are available in Cut Tape format. ERJ-8ENF5101V, CRCW12065K10FKEAHP, ESR18EZPD5101, and KTR18EZPF5101 are available in Tape & Reel format. Select packaging based on assembly process requirements and volume needs.
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