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RC3216J122CS Equivalent & Substitute Parts Reference
Part Overview
The RC3216J122CS is a 1.2 kOhms ±5% 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 723 units currently in stock. The part is ROHS3 compliant and features moisture-resistant construction suitable for general-purpose applications across industrial and consumer electronics.
Equivalent and substitute parts are identified based on matching electrical specifications (resistance value, tolerance, power rating, temperature coefficient, operating temperature range) and mechanical compatibility (package type, dimensions, termination count). Substitute parts with improved tolerance or automotive-grade certifications are categorized as upgrades.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Resistance | 1.2 kOhms |
| Tolerance | ±5% |
| Power Rating | 0.25W (1/4W) |
| Package Type | 1206 (3216 Metric) |
| Composition | Thick Film |
| Temperature Coefficient | ±100ppm/°C |
| Operating Temperature Range | -55°C to +155°C |
| Moisture Sensitivity Level | MSL 1 (Unlimited) |
| RoHS Status | ROHS3 Compliant |
| Number of Terminations | 2 |
Substitute Part Grouping Explanation
Substitute parts are classified into three categories based on electrical and mechanical compatibility with the RC3216J122CS:
Direct Substitutes (Equivalent Tolerance) Direct substitutes maintain the ±5% tolerance specification of the main part while meeting all other electrical and mechanical parameters. These parts are pin-compatible and functionally interchangeable without circuit redesign.
Upgrade Substitutes (Improved Tolerance) Upgrade substitutes provide ±1% tolerance instead of ±5%, offering improved accuracy. These parts maintain identical resistance value, power rating, package dimensions, and operating temperature range. Upgrade parts may include automotive-grade certifications (AEC-Q200) or enhanced features. These are suitable for applications requiring tighter tolerance control.
Similar Parts (Packaging Variant) Similar parts match all electrical specifications but may feature different packaging formats (Cut Tape vs. Tape & Reel) or minor dimensional variations within the 1206 package specification. These parts are mechanically and electrically compatible.
Substitution Criteria:
- Resistance: 1.2 kOhms (exact match required)
- Power Rating: 0.25W minimum
- Package: 1206 (3216 Metric)
- Temperature Coefficient: ±100ppm/°C
- Operating Temperature: -55°C to +155°C minimum
- Terminations: 2-pin configuration
- Composition: Thick Film
- Compliance: ROHS3, MSL 1
Parameter Comparison
| Manufacturer Part Number | Manufacturer | Resistance | Tolerance | Power (W) | Package | Temp Coeff | Op. Temp (°C) | Size L×W (mm) | Height Max (mm) | Product Status | Substitution Type |
|---|---|---|---|---|---|---|---|---|---|---|---|
| RC3216J122CS | Samsung Electro-Mechanics | 1.2 kΩ | ±5% | 0.25 | 1206 | ±100ppm/°C | -55 to +155 | 3.20 × 1.60 | 0.65 | Active | Main Part |
| RC1206JR-071K2L | YAGEO | 1.2 kΩ | ±5% | 0.25 | 1206 | ±100ppm/°C | -55 to +155 | 3.10 × 1.60 | 0.65 | Active | Direct Substitute |
| AC1206FR-071K2L | YAGEO | 1.2 kΩ | ±1% | 0.25 | 1206 | ±100ppm/°C | -55 to +155 | 3.10 × 1.60 | 0.65 | Active | Upgrade Substitute |
| CR1206-FX-1201ELF | Bourns Inc. | 1.2 kΩ | ±1% | 0.25 | 1206 | ±100ppm/°C | -55 to +155 | 3.20 × 1.60 | 0.75 | Active | Upgrade Substitute |
| CRG1206F1K2 | TE Connectivity Passive Product | 1.2 kΩ | ±1% | 0.25 | 1206 | ±100ppm/°C | -55 to +155 | 3.10 × 1.55 | 0.65 | Active | Upgrade Substitute |
| ERJ-8ENF1201V | Panasonic Electronic Components | 1.2 kΩ | ±1% | 0.25 | 1206 | ±100ppm/°C | -55 to +155 | 3.20 × 1.60 | 0.70 | Not For New Designs | Upgrade Substitute |
| RC1206FR-071K2L | YAGEO | 1.2 kΩ | ±1% | 0.25 | 1206 | ±100ppm/°C | -55 to +155 | 3.10 × 1.60 | 0.65 | Active | Upgrade Substitute |
| RMCF1206FT1K20 | Stackpole Electronics Inc | 1.2 kΩ | ±1% | 0.25 | 1206 | ±100ppm/°C | -55 to +155 | 3.20 × 1.60 | 0.70 | Active | Upgrade Substitute |
| AC1206JR-071K2L | YAGEO | 1.2 kΩ | ±5% | 0.25 | 1206 | ±100ppm/°C | -55 to +155 | 3.10 × 1.60 | 0.65 | Active | Similar Part |
| CRCW12061K20FKEA | Vishay Dale | 1.2 kΩ | ±1% | 0.25 | 1206 | ±100ppm/°C | -55 to +155 | 3.20 × 1.60 | 0.60 | Active | Similar Part |
| CRCW12061K20FKEAC | Vishay Dale | 1.2 kΩ | ±1% | 0.25 | 1206 | ±100ppm/°C | -55 to +155 | 3.05 × 1.55 | 0.65 | Active | Similar Part |
Engineering Selection Recommendations
For Direct Replacement (Equivalent Tolerance ±5%)
RC1206JR-071K2L (YAGEO) is the primary direct substitute. This part maintains identical electrical specifications and ±5% tolerance matching the RC3216J122CS. Both parts are Active status with ROHS3 compliance and MSL 1 rating. The RC1206JR-071K2L offers 3300 units in stock inventory, providing supply continuity. Dimensional compatibility is confirmed with matching 1206 package, 0.65mm maximum seated height, and 2-termination configuration.
AC1206JR-071K2L (YAGEO) is an alternative direct substitute with identical tolerance and electrical parameters. This part includes automotive AEC-Q200 certification and moisture-resistant features. It is suitable for applications requiring automotive-grade reliability while maintaining ±5% tolerance specification.
For Upgraded Tolerance (±1% Tolerance)
RC1206FR-071K2L (YAGEO) provides ±1% tolerance upgrade with 169,141 units in stock. This part is Active status, ROHS3 compliant, and maintains all electrical parameters of the main part. The upgrade tolerance is suitable for precision analog circuits and measurement applications.
CRCW12061K20FKEA (Vishay Dale) offers ±1% tolerance with AEC-Q200 automotive certification. This part features 33,924 units in inventory and is Active status. The 0.60mm maximum seated height provides the lowest profile option among upgrade substitutes.
RMCF1206FT1K20 (Stackpole Electronics Inc) provides ±1% tolerance with AEC-Q200 automotive certification. This part has the highest inventory availability at 137,304 units and is Active status, making it suitable for high-volume production requiring automotive-grade reliability.
CR1206-FX-1201ELF (Bourns Inc.) offers ±1% tolerance with 29,328 units in stock. This part is Active status and provides the highest maximum seated height at 0.75mm, which may be relevant for applications with specific PCB clearance requirements.
For Automotive Applications
AC1206FR-071K2L, RMCF1206FT1K20, and CRCW12061K20FKEA all include AEC-Q200 automotive certification. These parts are suitable for automotive electronics, industrial control systems, and applications requiring automotive-grade reliability standards.
Product Status Consideration
ERJ-8ENF1201V (Panasonic Electronic Components) is marked as "Not For New Designs." While this part meets all electrical and mechanical specifications with ±1% tolerance and AEC-Q200 certification, it should not be selected for new product development. This part is suitable only for legacy system maintenance or repair applications.
Packaging Format Selection
All substitute parts are available in either Cut Tape (CT) or Tape & Reel (TR) packaging. Selection depends on assembly process requirements. Cut Tape packaging is suitable for manual assembly or small-batch production. Tape & Reel packaging is required for automated pick-and-place assembly systems.
Frequently Asked Questions (FAQ)
Q: Can RC1206JR-071K2L directly replace RC3216J122CS without circuit modification?
A: Yes. RC1206JR-071K2L is a direct substitute with identical resistance (1.2 kOhms), tolerance (±5%), power rating (0.25W), package type (1206), temperature coefficient (±100ppm/°C), and operating temperature range (-55°C to +155°C). Both parts are ROHS3 compliant with MSL 1 rating. No circuit redesign is required.
Q: What is the difference between direct substitutes and upgrade substitutes?
A: Direct substitutes maintain the ±5% tolerance of the RC3216J122CS. Upgrade substitutes provide improved ±1% tolerance, offering better accuracy for precision applications. All other electrical parameters remain identical. Upgrade substitutes are suitable when circuit design permits tighter tolerance specifications.
Q: Are automotive-grade parts (AEC-Q200) compatible with non-automotive applications?
A: Yes. Automotive-grade parts exceed standard reliability requirements and are fully compatible with non-automotive applications. AEC-Q200 certification indicates enhanced quality control, extended temperature testing, and higher reliability standards. These parts can be used in any application where the RC3216J122CS is specified.
Q: What is the significance of MSL 1 (Unlimited) moisture sensitivity level?
A: MSL 1 indicates the component has unlimited shelf life and requires no special moisture control during storage or handling. This classification means the part can be stored at room temperature without desiccant packaging or moisture-barrier bags. All listed substitutes maintain MSL 1 rating.
Q: Can I use CRCW12061K20FKEAC instead of CRCW12061K20FKEA?
A: Yes. Both parts are functionally equivalent with identical resistance (1.2 kOhms), tolerance (±1%), power rating (0.25W), and operating temperature range. The primary difference is dimensional: CRCW12061K20FKEAC has slightly smaller dimensions (3.05 × 1.55mm vs. 3.20 × 1.60mm). Both are ROHS3 compliant and Active status. Selection depends on PCB layout constraints.
Q: Why is ERJ-8ENF1201V marked "Not For New Designs"?
A: "Not For New Designs" indicates the manufacturer has discontinued active development and recommends alternative parts for new product development. This status does not affect electrical or mechanical compatibility. ERJ-8ENF1201V remains suitable for legacy system maintenance, repair, or replacement in existing designs. For new designs, select from Active status alternatives such as RC1206FR-071K2L or RMCF1206FT1K20.
Q: What packaging format should I select for automated assembly?
A: Tape & Reel (TR) packaging is required for automated pick-and-place assembly systems. Cut Tape (CT) packaging is suitable for manual assembly or small-batch production. Most substitute parts are available in both formats. Verify packaging availability with your supplier before design finalization.
Q: Are all listed substitutes ROHS3 compliant?
A: Yes. All substitute parts listed in this reference maintain ROHS3 compliance, matching the RC3216J122CS specification. ROHS3 compliance indicates the parts are free from restricted substances (lead, cadmium, mercury, hexavalent chromium, PBBs, PBDEs) and meet EU environmental regulations.
Q: What is the temperature coefficient significance for circuit design?
A: Temperature coefficient (±100ppm/°C) indicates the resistance value changes by ±100 parts per million for each degree Celsius change in operating temperature. All listed parts maintain identical temperature coefficient, ensuring consistent circuit performance across the -55°C to +155°C operating range. This specification is critical for precision analog circuits and temperature-sensitive applications.
Q: Can I mix different substitute manufacturers in the same circuit board?
A: Yes. All substitute parts meet identical electrical specifications and are mechanically compatible. Mixing manufacturers is acceptable from an engineering standpoint. However, consider supply chain consistency, lead time, and cost factors when selecting multiple manufacturers for production.
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