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RCS2012F25R5CS Equivalent & Substitute Parts
Part Overview
The RCS2012F25R5CS is a 25.5 Ohm ±1% thick film chip resistor manufactured by Samsung Electro-Mechanics in the 0805 (2012 Metric) package format. This component is rated for 0.125W (1/8W) power dissipation and operates across the temperature range of -55°C to 155°C. The part features anti-sulfur and moisture-resistant construction with RoHS3 compliance and unlimited moisture sensitivity level (MSL 1). The RCS2012F25R5CS maintains active product status with 791 pieces currently in stock.
Equivalent and substitute parts are identified based on matching electrical specifications, mechanical package dimensions, and compliance certifications. Substitute components must maintain identical resistance value, tolerance, power rating, and package configuration to ensure direct circuit board compatibility.
Substiute Parts
Key Parameters
| Parameter | Specification |
|---|---|
| Resistance Value | 25.5 Ohms |
| Tolerance | ±1% |
| Power Rating | 0.125W (1/8W) |
| Package / Case | 0805 (2012 Metric) |
| Composition | Thick Film |
| Temperature Coefficient | ±100ppm/°C |
| Operating Temperature Range | -55°C to 155°C |
| Terminations | 2 |
| RoHS Status | ROHS3 Compliant |
| Moisture Sensitivity Level | 1 (Unlimited) |
Substitute Part Grouping Explanation
Substitute parts for the RCS2012F25R5CS are qualified based on the following criteria:
Electrical Parameters (Must Match Exactly):
- Resistance: 25.5 Ohms
- Tolerance: ±1%
- Power Rating: 0.125W (1/8W)
- Temperature Coefficient: ±100ppm/°C
- Operating Temperature Range: -55°C to 155°C
Mechanical Parameters (Must Match Exactly):
- Package / Case: 0805 (2012 Metric)
- Number of Terminations: 2
- Composition: Thick Film
Compliance Parameters (Must Match or Exceed):
- RoHS Status: ROHS3 Compliant
- Moisture Sensitivity Level: 1 (Unlimited)
- REACH Status: REACH Unaffected
All four substitute parts listed meet these criteria and are therefore direct functional equivalents suitable for circuit board replacement without design modification.
Parameter Comparison
| Parameter | RCS2012F25R5CS (Samsung) | AC0805FR-0725R5L (YAGEO) | CRCW080525R5FKEA (Vishay Dale) | ERJ-6ENF25R5V (Panasonic) | RC0805FR-0725R5L (YAGEO) |
|---|---|---|---|---|---|
| Resistance | 25.5 Ohms | 25.5 Ohms | 25.5 Ohms | 25.5 Ohms | 25.5 Ohms |
| Tolerance | ±1% | ±1% | ±1% | ±1% | ±1% |
| Power Rating | 0.125W | 0.125W | 0.125W | 0.125W | 0.125W |
| Package | 0805 (2012 Metric) | 0805 (2012 Metric) | 0805 (2012 Metric) | 0805 (2012 Metric) | 0805 (2012 Metric) |
| Composition | Thick Film | Thick Film | Thick Film | Thick Film | Thick Film |
| Temperature Coefficient | ±100ppm/°C | ±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 | -55°C to 155°C |
| RoHS Status | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant |
| MSL Rating | 1 (Unlimited) | 1 (Unlimited) | 1 (Unlimited) | 1 (Unlimited) | 1 (Unlimited) |
| Height - Seated (Max) | 0.026" (0.66mm) | 0.024" (0.60mm) | 0.020" (0.50mm) | 0.028" (0.70mm) | 0.024" (0.60mm) |
| Automotive Rating | Not specified | AEC-Q200 | AEC-Q200 | AEC-Q200 | Not specified |
Engineering Selection Recommendations
All four substitute parts are functionally equivalent to the RCS2012F25R5CS and maintain active product status with full RoHS3 compliance and unlimited moisture sensitivity rating.
AC0805FR-0725R5L (YAGEO): This substitute carries AEC-Q200 automotive qualification and moisture-resistant construction. Height-seated maximum is 0.024" (0.60mm), which is lower than the main part. Inventory availability is 8,946 pieces.
CRCW080525R5FKEA (Vishay Dale): This substitute carries AEC-Q200 automotive qualification with the lowest height-seated maximum at 0.020" (0.50mm). This component offers the highest inventory availability at 31,737 pieces.
ERJ-6ENF25R5V (Panasonic Electronic Components): This substitute carries AEC-Q200 automotive qualification. Height-seated maximum is 0.028" (0.70mm), which is slightly higher than the main part. Inventory availability is 34,823 pieces.
RC0805FR-0725R5L (YAGEO): This substitute features moisture-resistant construction without automotive qualification. Height-seated maximum is 0.024" (0.60mm). Inventory availability is 6,931 pieces.
All substitutes are suitable for direct replacement in applications where the RCS2012F25R5CS is specified, provided that circuit board layout accommodates the maximum seated height of the selected alternative.
Frequently Asked Questions (FAQ)
Q: Can the AC0805FR-0725R5L replace the RCS2012F25R5CS in any application?
A: Yes. The AC0805FR-0725R5L matches all electrical specifications (25.5 Ohms ±1%, 0.125W, ±100ppm/°C, -55°C to 155°C), mechanical package (0805), and compliance requirements (RoHS3, MSL 1). The lower seated height (0.024" vs 0.026") presents no compatibility issue.
Q: What is the difference between the YAGEO AC0805FR-0725R5L and RC0805FR-0725R5L?
A: Both are YAGEO 25.5 Ohm ±1% 0805 resistors with identical electrical specifications. The AC0805FR-0725R5L carries AEC-Q200 automotive qualification and moisture-resistant features, while the RC0805FR-0725R5L carries only moisture-resistant features without automotive qualification. Both have identical seated heights of 0.024" (0.60mm).
Q: Are all substitute parts suitable for automotive applications?
A: Three of the four substitutes (AC0805FR-0725R5L, CRCW080525R5FKEA, and ERJ-6ENF25R5V) carry AEC-Q200 automotive qualification. The RC0805FR-0725R5L does not carry this certification. Selection depends on application requirements.
Q: Does the difference in seated height affect circuit board compatibility?
A: Seated height differences range from 0.020" to 0.028" (0.50mm to 0.70mm). These variations are within standard PCB assembly tolerances for 0805 components. Verify that the selected substitute's maximum seated height does not exceed the available clearance in the target application.
Q: Are all substitutes available in Tape & Reel packaging?
A: Yes. All four substitute parts are supplied in Tape & Reel (TR) packaging, matching the packaging format of the RCS2012F25R5CS.
Q: Do all substitutes meet RoHS3 compliance?
A: Yes. All four substitute parts are RoHS3 compliant with REACH Unaffected status, matching the compliance profile of the RCS2012F25R5CS.
Q: What is the moisture sensitivity level for all substitutes?
A: All substitute parts maintain MSL 1 (Unlimited) rating, identical to the RCS2012F25R5CS. This indicates unlimited shelf life under uncontrolled storage conditions.
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