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RC3225F1960CS Equivalent & Substitute Parts
Part Overview
The RC3225F1960CS is a 196 Ohm ±1% thick film chip resistor manufactured by Samsung Electro-Mechanics, rated at 0.333W (1/3W) in a 1210 (3225 Metric) package. This component is currently in active production status with 697 pieces available in stock. The part is designed for general-purpose applications requiring moisture-resistant thick film construction with ROHS3 compliance and unlimited moisture sensitivity level (MSL 1).
Equivalent and substitute parts are identified when component availability is limited, supply chain disruptions occur, or design requirements permit alternative manufacturers while maintaining electrical and mechanical compatibility within specified tolerances.
Substiute Parts
Key Parameters
| Parameter | Value | Specification Basis |
|---|---|---|
| Resistance Value | 196 Ohms | Core electrical requirement |
| Tolerance | ±1% | Precision specification |
| Power Rating | 0.333W (1/3W) minimum | Thermal dissipation requirement |
| Package Type | 1210 (3225 Metric) | Physical footprint and mounting |
| Composition | Thick Film | Technology type |
| Temperature Coefficient | ±100ppm/°C | Temperature stability |
| Operating Temperature Range | -55°C to 155°C | Environmental operating limits |
| Terminations | 2 | Connection points |
| RoHS Status | ROHS3 Compliant | Environmental compliance |
| Moisture Sensitivity Level | MSL 1 (Unlimited) | Handling and storage requirements |
Substitute Part Grouping Explanation
Substitution eligibility for the RC3225F1960CS is determined by strict adherence to the following parameters:
Critical Parameters (Must Match Exactly):
- Resistance value: 196 Ohms
- Tolerance: ±1%
- Package type: 1210 (3225 Metric)
- Composition: Thick Film
- Temperature coefficient: ±100ppm/°C
- Operating temperature range: -55°C to 155°C
- Number of terminations: 2
- RoHS compliance: ROHS3 Compliant
Allowable Variation Parameters:
- Power rating: Substitute parts may have equal or higher power ratings (0.333W or greater)
- Physical dimensions: Minor variations within package specification tolerance
- Moisture sensitivity level: Equal or lower MSL rating (MSL 1 is acceptable)
- Product status: Active or Not For New Designs status both acceptable for substitution purposes
The ERJ-14NF1960U from Panasonic Electronic Components qualifies as a substitute part. It maintains identical resistance, tolerance, package, composition, temperature coefficient, and operating temperature range. The substitute part features a higher power rating (0.5W vs. 0.333W), which is acceptable as it provides equal or superior thermal performance. Both parts are ROHS3 compliant with MSL 1 rating.
Parameter Comparison
| Parameter | RC3225F1960CS (Main Part) | ERJ-14NF1960U (Substitute) | Compatibility |
|---|---|---|---|
| Manufacturer | Samsung Electro-Mechanics | Panasonic Electronic Components | Different manufacturer |
| Resistance Value | 196 Ohms | 196 Ohms | Identical |
| Tolerance | ±1% | ±1% | Identical |
| Power Rating | 0.333W (1/3W) | 0.5W (1/2W) | Substitute rated higher |
| Composition | Thick Film | Thick Film | Identical |
| Temperature Coefficient | ±100ppm/°C | ±100ppm/°C | Identical |
| Operating Temperature | -55°C to 155°C | -55°C to 155°C | Identical |
| Package / Case | 1210 (3225 Metric) | 1210 (3225 Metric) | Identical |
| Size / Dimension | 0.126" L x 0.100" W (3.20mm x 2.55mm) | 0.126" L x 0.098" W (3.20mm x 2.50mm) | Within tolerance |
| Height - Seated (Max) | 0.026" (0.66mm) | 0.028" (0.70mm) | Within tolerance |
| Number of Terminations | 2 | 2 | Identical |
| RoHS Status | ROHS3 Compliant | ROHS3 Compliant | Identical |
| Moisture Sensitivity Level | MSL 1 (Unlimited) | MSL 1 (Unlimited) | Identical |
| Product Status | Active | Not For New Designs | Different status |
| Automotive Rating | Not specified | AEC-Q200 | Substitute has additional qualification |
Engineering Selection Recommendations
RC3225F1960CS Selection Criteria:
- Primary choice for new designs requiring active product status
- Recommended when Samsung Electro-Mechanics supply chain is preferred
- Suitable for applications without automotive qualification requirements
- Current inventory availability: 697 pieces
ERJ-14NF1960U Selection Criteria:
- Acceptable as substitute when RC3225F1960CS is unavailable
- Higher power rating (0.5W) provides thermal margin in applications requiring 0.333W or less
- AEC-Q200 automotive qualification available if application requires automotive-grade components
- Product status is "Not For New Designs," limiting use to legacy system support or replacement applications
- Significantly higher inventory availability: 9438 pieces
- Packaging available in Tape & Reel format
Both parts maintain identical electrical performance within the specified 196 Ohm ±1% tolerance and operate across the full -55°C to 155°C temperature range. Physical dimensions are within standard package tolerance for 1210 (3225 Metric) components. ROHS3 compliance and MSL 1 rating are equivalent.
Frequently Asked Questions (FAQ)
Q: Can ERJ-14NF1960U replace RC3225F1960CS in existing designs?
A: Yes. The ERJ-14NF1960U maintains identical electrical specifications (196 Ohms ±1%, ±100ppm/°C temperature coefficient, -55°C to 155°C operating range) and package footprint (1210/3225 Metric). The higher power rating (0.5W vs. 0.333W) is compatible with applications designed for the lower-rated part. Physical dimensions are within standard tolerance for the 1210 package.
Q: What is the difference in power rating between these parts?
A: RC3225F1960CS is rated at 0.333W (1/3W), while ERJ-14NF1960U is rated at 0.5W (1/2W). The substitute part has a higher power dissipation capability. In applications requiring 0.333W or less, the higher-rated substitute will operate at lower junction temperature, which is acceptable and does not create compatibility issues.
Q: Are the physical dimensions identical?
A: Dimensions are within standard 1210 (3225 Metric) package tolerance. RC3225F1960CS measures 0.126" L x 0.100" W (3.20mm x 2.55mm) with 0.026" max height. ERJ-14NF1960U measures 0.126" L x 0.098" W (3.20mm x 2.50mm) with 0.028" max height. Both fit standard 1210 PCB footprints without modification.
Q: What does "Not For New Designs" status mean for ERJ-14NF1960U?
A: This status indicates Panasonic is not recommending the ERJ-14NF1960U for new product development. However, it remains a valid substitute for existing designs, legacy system support, or replacement applications where the RC3225F1960CS is unavailable.
Q: Are both parts RoHS compliant?
A: Yes. Both RC3225F1960CS and ERJ-14NF1960U are ROHS3 compliant with MSL 1 (Unlimited) moisture sensitivity level, indicating no special handling or storage requirements.
Q: Does ERJ-14NF1960U have automotive qualification?
A: Yes. ERJ-14NF1960U carries AEC-Q200 automotive qualification. RC3225F1960CS does not specify automotive qualification. If automotive-grade components are required, ERJ-14NF1960U provides this additional certification.
Q: What packaging formats are available?
A: RC3225F1960CS is supplied in standard packaging (format not specified in data). ERJ-14NF1960U is available in Tape & Reel (TR) format, suitable for automated assembly processes.
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