Request Quote
(Ships tomorrow)
RCS3216F1780CS Equivalent & Substitute Parts Reference
Part Overview
The RCS3216F1780CS is a 178 Ohm ±1% 0.25W thick film chip resistor manufactured by Samsung Electro-Mechanics in the 1206 (3216 Metric) package. This component is classified as Active product status and features anti-sulfur and moisture-resistant construction. The part is ROHS3 compliant with unlimited moisture sensitivity level (MSL 1) and operates across the temperature range of -55°C to 155°C.
Equivalent and substitute parts are identified based on matching electrical specifications, mechanical package dimensions, and environmental compliance certifications. Substitutes enable procurement flexibility when the primary part experiences supply constraints or when design requirements permit alternative qualified manufacturers.
Substiute Parts
Key Parameters
| Parameter | Specification |
|---|---|
| Resistance Value | 178 Ohms |
| 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 to 155°C |
| RoHS Status | ROHS3 Compliant |
| Moisture Sensitivity Level | 1 (Unlimited) |
| Number of Terminations | 2 |
Substitute Part Grouping Explanation
Substitution eligibility is determined by strict equivalence across the following critical parameters:
Electrical Equivalence Requirements:
- Resistance value: 178 Ohms (exact match)
- Tolerance: ±1% (exact match)
- Power rating: 0.25W / 1/4W (exact match)
- Temperature coefficient: ±100ppm/°C (exact match)
- Operating temperature range: -55°C to 155°C (exact match)
Mechanical Equivalence Requirements:
- Package type: 1206 (3216 Metric) (exact match)
- Composition: Thick Film (exact match)
- Number of terminations: 2 (exact match)
Compliance Requirements:
- RoHS3 compliance (mandatory)
- Moisture sensitivity level: 1 (Unlimited) (exact match)
All three substitute parts listed below meet these criteria and are therefore electrically and mechanically interchangeable with the RCS3216F1780CS.
Parameter Comparison
| Parameter | RCS3216F1780CS (Samsung) | CRCW1206178RFKEA (Vishay Dale) | ERJ-8ENF1780V (Panasonic) | RC1206FR-07178RL (YAGEO) |
|---|---|---|---|---|
| Resistance | 178 Ohms | 178 Ohms | 178 Ohms | 178 Ohms |
| Tolerance | ±1% | ±1% | ±1% | ±1% |
| Power Rating | 0.25W | 0.25W | 0.25W | 0.25W |
| Package | 1206 (3216 Metric) | 1206 (3216 Metric) | 1206 (3216 Metric) | 1206 (3216 Metric) |
| Composition | Thick Film | Thick Film | Thick Film | Thick Film |
| Temperature Coefficient | ±100ppm/°C | ±100ppm/°C | ±100ppm/°C | ±100ppm/°C |
| Operating Temperature | -55°C to 155°C | -55°C to 155°C | -55°C to 155°C | -55°C to 155°C |
| RoHS Status | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant |
| MSL Rating | 1 (Unlimited) | 1 (Unlimited) | 1 (Unlimited) | 1 (Unlimited) |
| Product Status | Active | Active | Not For New Designs | Active |
| Size / Dimension | 0.126" L x 0.063" W (3.20mm x 1.60mm) | 0.126" L x 0.063" W (3.20mm x 1.60mm) | 0.126" L x 0.063" W (3.20mm x 1.60mm) | 0.122" L x 0.063" W (3.10mm x 1.60mm) |
| Height - Seated (Max) | 0.026" (0.66mm) | 0.024" (0.60mm) | 0.028" (0.70mm) | 0.026" (0.65mm) |
Engineering Selection Recommendations
CRCW1206178RFKEA (Vishay Dale) is qualified for applications requiring automotive-grade components. This part carries AEC-Q200 certification and maintains Active product status, making it suitable for new designs in automotive and industrial environments. The seated height of 0.024" (0.60mm) is the lowest among all substitutes, which may be advantageous in space-constrained PCB layouts.
RC1206FR-07178RL (YAGEO) maintains Active product status and is suitable for general industrial and consumer applications. The moisture-resistant feature aligns with the primary part specification. This substitute offers good availability with 1255 pieces in stock and is appropriate for new design implementations.
ERJ-8ENF1780V (Panasonic Electronic Components) carries AEC-Q200 automotive certification but is designated as Not For New Designs. This part should be used only for legacy system maintenance, repair, or replacement applications where the original design specification requires Panasonic components. The seated height of 0.028" (0.70mm) is the highest among all options.
For new designs, prioritize CRCW1206178RFKEA or RC1206FR-07178RL. The RCS3216F1780CS remains the primary choice when Samsung Electro-Mechanics supply is available.
Frequently Asked Questions (FAQ)
Q: Can CRCW1206178RFKEA replace RCS3216F1780CS in all applications?
A: Yes. Both parts are electrically and mechanically equivalent with matching resistance, tolerance, power rating, package dimensions, temperature coefficient, and operating temperature range. Both are ROHS3 compliant with MSL 1 rating. The CRCW1206178RFKEA includes AEC-Q200 automotive certification, which provides additional qualification for automotive applications.
Q: Why is ERJ-8ENF1780V marked as "Not For New Designs"?
A: The ERJ-8ENF1780V carries a "Not For New Designs" product status designation from Panasonic. This indicates the manufacturer is not actively promoting this part for new circuit designs. It remains available for legacy system support and replacement applications. For new designs, use CRCW1206178RFKEA or RC1206FR-07178RL instead.
Q: Are there dimensional differences between these substitutes?
A: Minor dimensional variations exist. The YAGEO RC1206FR-07178RL has a length of 0.122" (3.10mm) compared to 0.126" (3.20mm) for the other parts. Seated heights range from 0.024" to 0.028". These variations are within standard 1206 package tolerances and do not affect electrical performance or PCB assembly compatibility.
Q: Do all substitutes meet the same environmental compliance standards?
A: Yes. All four parts (RCS3216F1780CS, CRCW1206178RFKEA, ERJ-8ENF1780V, and RC1206FR-07178RL) are ROHS3 compliant, REACH unaffected, and classified as MSL 1 (Unlimited moisture sensitivity level). All carry ECCN EAR99 and HTSUS 8533.21.0030 classifications.
Q: Which substitute offers the best availability?
A: CRCW1206178RFKEA (Vishay Dale) has the highest inventory with 14,409 pieces in stock, followed by ERJ-8ENF1780V (Panasonic) with 43,962 pieces. However, ERJ-8ENF1780V is not recommended for new designs. RC1206FR-07178RL (YAGEO) has 1,255 pieces available and is suitable for new implementations.
Q: Can these parts be used interchangeably in automotive applications?
A: CRCW1206178RFKEA and ERJ-8ENF1780V both carry AEC-Q200 automotive certification and are suitable for automotive applications. RCS3216F1780CS and RC1206FR-07178RL do not carry explicit automotive certification but meet the same electrical and environmental specifications. Verify automotive application requirements with your design specification before substitution.
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



