Request Quote
(Ships tomorrow)
RC3216F49R9CS Equivalent & Substitute Parts Reference
Part Overview
The RC3216F49R9CS is a 49.9 Ohm ±1% 0.25W thick film chip resistor manufactured by Samsung Electro-Mechanics in 1206 (3216 Metric) package format. 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 requiring precision resistive elements with stable performance across the operating temperature range of -55°C to 155°C.
Equivalent and substitute parts are identified based on matching electrical specifications (resistance value, tolerance, power rating), mechanical compatibility (package size and form factor), and environmental compliance certifications. Alternative sources provide equivalent functional performance while maintaining compatibility with existing PCB designs and assembly processes.
Substiute Parts
Key Parameters
| Parameter | Value | Unit |
|---|---|---|
| Resistance | 49.9 | Ohms |
| Tolerance | ±1% | - |
| Power Rating | 0.25 | W (1/4W) |
| Package / Case | 1206 (3216 Metric) | - |
| Composition | Thick Film | - |
| Temperature Coefficient | ±100 | ppm/°C |
| Operating Temperature Range | -55 to 155 | °C |
| Number of Terminations | 2 | - |
| RoHS Status | ROHS3 Compliant | - |
| Moisture Sensitivity Level | 1 (Unlimited) | - |
Substitute Part Grouping Explanation
Substitution eligibility for the RC3216F49R9CS is determined by strict equivalence across the following critical parameters:
Electrical Equivalence Requirements:
- Resistance value: 49.9 Ohms (exact match)
- Tolerance: ±1% (exact match)
- Power rating: 0.25W minimum (equal or higher acceptable)
- Temperature coefficient: ±100ppm/°C (exact match)
- Operating temperature range: -55°C to 155°C minimum (equal or wider acceptable)
Mechanical Compatibility Requirements:
- Package type: 1206 (3216 Metric) form factor (exact match)
- Composition: Thick film construction (exact match)
- Number of terminations: 2 (exact match)
- Physical dimensions: Compatible within standard 1206 tolerances
Compliance Requirements:
- RoHS3 compliance (mandatory)
- REACH unaffected status (mandatory)
- Moisture sensitivity level: MSL 1 or equivalent (mandatory)
Substitute parts are classified as Direct Substitutes (identical specifications and packaging format) or Similar Substitutes (equivalent electrical and mechanical specifications with enhanced features such as automotive AEC-Q200 certification or higher power ratings).
Parameter Comparison
| Part Number | Manufacturer | Resistance (Ω) | Tolerance | Power (W) | Package | Temp Coeff (ppm/°C) | Op Temp (°C) | Features | Product Status | Packaging Type |
|---|---|---|---|---|---|---|---|---|---|---|
| RC3216F49R9CS | Samsung Electro-Mechanics | 49.9 | ±1% | 0.25 | 1206 | ±100 | -55 to 155 | Moisture Resistant | Active | Cut Tape & Digi-Reel |
| CR1206-FX-49R9ELF | Bourns Inc. | 49.9 | ±1% | 0.25 | 1206 | ±100 | -55 to 155 | Moisture Resistant | Active | Tape & Reel |
| ERJ-8ENF49R9V | Panasonic Electronic Components | 49.9 | ±1% | 0.25 | 1206 | ±100 | -55 to 155 | Automotive AEC-Q200 | Not For New Designs | Tape & Reel |
| RC1206FR-0749R9L | YAGEO | 49.9 | ±1% | 0.25 | 1206 | ±100 | -55 to 155 | Moisture Resistant | Active | Cut Tape & Digi-Reel |
| RMCF1206FT49R9 | Stackpole Electronics Inc | 49.9 | ±1% | 0.25 | 1206 | ±100 | -55 to 155 | Automotive AEC-Q200 | Active | Tape & Reel |
| AC1206FR-0749R9L | YAGEO | 49.9 | ±1% | 0.25 | 1206 | ±100 | -55 to 155 | Automotive AEC-Q200, Moisture Resistant | Active | Tape & Reel |
| CRCW120649R9FKEA | Vishay Dale | 49.9 | ±1% | 0.25 | 1206 | ±100 | -55 to 155 | Automotive AEC-Q200 | Active | Cut Tape & Digi-Reel |
| CRCW120649R9FKEAC | Vishay Dale | 49.9 | ±1% | 0.25 | 1206 | ±100 | -55 to 155 | Standard | Active | Tape & Reel |
| CRCW120649R9FKEAHP | Vishay Dale | 49.9 | ±1% | 0.75 | 1206 | ±100 | -55 to 155 | Automotive AEC-Q200, Pulse Withstanding | Active | Cut Tape & Digi-Reel |
| KTR18EZPF49R9 | Rohm Semiconductor | 49.9 | ±1% | 0.25 | 1206 | ±100 | -55 to 155 | Automotive AEC-Q200, High Voltage | Active | Tape & Reel |
| RCA120649R9FKEA | Vishay Dale | 49.9 | ±1% | 0.25 | 1206 | ±100 | -55 to 155 | Anti-Sulfur, Automotive AEC-Q200 | Active | Tape & Reel |
Engineering Selection Recommendations
Direct Substitutes (Preferred for Equivalent Replacement):
CR1206-FX-49R9ELF (Bourns Inc.) and RC1206FR-0749R9L (YAGEO) are direct functional equivalents to the RC3216F49R9CS. Both parts maintain identical electrical specifications, 1206 package format, moisture resistant characteristics, and RoHS3 compliance. These parts are suitable for direct PCB substitution without design modification. CR1206-FX-49R9ELF is available in Tape & Reel packaging, while RC1206FR-0749R9L is available in Cut Tape & Digi-Reel format matching the original part's packaging option.
Active Automotive-Grade Alternatives:
RMCF1206FT49R9 (Stackpole Electronics Inc), AC1206FR-0749R9L (YAGEO), CRCW120649R9FKEA (Vishay Dale), KTR18EZPF49R9 (Rohm Semiconductor), and RCA120649R9FKEA (Vishay Dale) are Active status parts with automotive AEC-Q200 certification. These components meet all electrical and mechanical requirements of the RC3216F49R9CS while providing enhanced reliability qualification for automotive applications. Selection among these alternatives depends on packaging format preference (Tape & Reel versus Cut Tape & Digi-Reel) and specific feature requirements (anti-sulfur protection, high voltage capability, pulse withstanding).
Enhanced Power Rating Option:
CRCW120649R9FKEAHP (Vishay Dale) provides 0.75W power rating compared to the standard 0.25W specification. This part is suitable for applications requiring higher power dissipation capability while maintaining all other electrical and mechanical compatibility parameters. Automotive AEC-Q200 certification and pulse withstanding characteristics are included.
Standard Industrial Alternative:
CRCW120649R9FKEAC (Vishay Dale) is an Active status part without automotive certification, suitable for general industrial applications where AEC-Q200 qualification is not required.
Obsolescence Consideration:
ERJ-8ENF49R9V (Panasonic Electronic Components) carries "Not For New Designs" product status and should not be selected for new circuit designs despite meeting all electrical and mechanical specifications.
Frequently Asked Questions (FAQ)
Q: Can I substitute RC3216F49R9CS with any 49.9 Ohm 1206 resistor?
A: No. Substitution requires exact matching of tolerance (±1%), power rating (0.25W minimum), temperature coefficient (±100ppm/°C), and operating temperature range (-55°C to 155°C). Additionally, RoHS3 compliance and MSL 1 moisture sensitivity level are mandatory. Package form factor must be 1206 (3216 Metric) with 2 terminations.
Q: What is the difference between Cut Tape & Digi-Reel and Tape & Reel packaging?
A: Cut Tape & Digi-Reel packaging provides components on individual tape segments suitable for manual handling and smaller volume applications. Tape & Reel packaging provides continuous reel format optimized for automated assembly equipment. Both formats contain identical components; packaging selection depends on assembly process requirements and volume.
Q: Are automotive AEC-Q200 certified parts compatible with non-automotive applications?
A: Yes. Automotive AEC-Q200 certified parts meet or exceed the electrical and mechanical specifications required for non-automotive use. These parts provide enhanced reliability qualification and are suitable for any application requiring the specified 49.9 Ohm ±1% 0.25W 1206 resistor characteristics.
Q: Can I use CRCW120649R9FKEAHP (0.75W) as a direct replacement for RC3216F49R9CS (0.25W)?
A: Yes. The 0.75W power rating is a superset capability that maintains all other electrical specifications (resistance, tolerance, temperature coefficient, operating temperature range) and mechanical compatibility (1206 package). The higher power rating provides additional design margin and is electrically compatible with circuits designed for 0.25W components.
Q: Why is ERJ-8ENF49R9V marked "Not For New Designs"?
A: "Not For New Designs" product status indicates the manufacturer has discontinued active development and recommends alternative parts for new circuit designs. While the part may still be functionally equivalent, it should not be selected for new applications due to potential future availability constraints.
Q: What does RoHS3 compliance mean for this resistor?
A: RoHS3 (Restriction of Hazardous Substances Directive 3) compliance certifies that the component does not contain restricted substances including lead, cadmium, mercury, hexavalent chromium, polybrominated biphenyls, or polybrominated diphenyl ethers above specified threshold limits. All listed substitute parts maintain RoHS3 compliance.
Q: Are all substitute parts available in the same inventory quantities?
A: No. Inventory availability varies by manufacturer and distributor. CR1206-FX-49R9ELF (Bourns) shows 68,163 pieces in stock, while KTR18EZPF49R9 (Rohm) shows 6,354 pieces. Verify current inventory status with your component supplier before finalizing procurement decisions.
Q: What is the significance of "Moisture Resistant" and "Anti-Sulfur" features?
A: Moisture Resistant characteristics provide enhanced protection against humidity and condensation exposure. Anti-Sulfur features provide additional protection against sulfur-containing atmospheric contaminants. Both features extend component reliability in harsh environmental conditions. The base RC3216F49R9CS includes moisture resistant characteristics; anti-sulfur protection is an additional feature available in RCA120649R9FKEA.
Alternative Parts
SJ6012L2TP
Littelfuse Inc.
6 Alternative Parts
JMK107BBJ476MA-RE
Taiyo Yuden
10 Alternative Parts
GMK107BBJ475MA-T
Taiyo Yuden
5 Alternative Parts
SJ6020N2ARP
Littelfuse Inc.
3 Alternative Parts
SJ6025R2ATP
Littelfuse Inc.
4 Alternative Parts
2474-05L
API Delevan Inc.
1 Alternative Parts
4590R-684K
API Delevan Inc.
1 Alternative Parts
CM6560R-334
API Delevan Inc.
1 Alternative Parts
CM6460-104
API Delevan Inc.
1 Alternative Parts
5526-12
API Delevan Inc.
1 Alternative Parts