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RMCS1206FT23K7 Equivalent & Substitute Parts
Part Overview
The RMCS1206FT23K7 is a 23.7 kOhms ±1% 0.25W chip resistor in 1206 (3216 Metric) package manufactured by Stackpole Electronics Inc. This thick film resistor features anti-sulfur composition and is designed for general-purpose applications requiring precision resistance values with tight tolerance specifications. The part is currently in active production status. Equivalent and substitute parts are identified when identical electrical specifications and mechanical compatibility are maintained across different manufacturers.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Resistance | 23.7 kOhms |
| 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 ~ 155°C |
| RoHS Status | ROHS3 Compliant |
| Moisture Sensitivity Level | 1 (Unlimited) |
Substitute Part Grouping Explanation
Substitute parts for the RMCS1206FT23K7 are qualified based on the following criteria:
- Identical resistance value: 23.7 kOhms
- Identical tolerance: ±1%
- Identical power rating: 0.25W (1/4W)
- Identical package: 1206 (3216 Metric)
- Identical composition: Thick Film
- Identical temperature coefficient: ±100ppm/°C
- Identical operating temperature range: -55°C ~ 155°C
- Compliance with ROHS3 and REACH requirements
- Moisture Sensitivity Level 1 (Unlimited)
All substitute parts listed maintain these core electrical and mechanical specifications, ensuring direct functional equivalence in circuit applications.
Parameter Comparison
| Parameter | RMCS1206FT23K7 (Stackpole) | CR1206-FX-2372ELF (Bourns) | CRCW120623K7FKEA (Vishay Dale) | ERJ-8ENF2372V (Panasonic) | RC1206FR-0723K7L (YAGEO) |
|---|---|---|---|---|---|
| Resistance | 23.7 kOhms | 23.7 kOhms | 23.7 kOhms | 23.7 kOhms | 23.7 kOhms |
| Tolerance | ±1% | ±1% | ±1% | ±1% | ±1% |
| Power Rating | 0.25W | 0.25W | 0.25W | 0.25W | 0.25W |
| Package | 1206 (3216 Metric) | 1206 (3216 Metric) | 1206 (3216 Metric) | 1206 (3216 Metric) | 1206 (3216 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 ~ 155°C | -55°C ~ 155°C | -55°C ~ 155°C | -55°C ~ 155°C | -55°C ~ 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) |
| Product Status | Active | Active | Active | Not For New Designs | Active |
Engineering Selection Recommendations
For new designs, CR1206-FX-2372ELF (Bourns), CRCW120623K7FKEA (Vishay Dale), and RC1206FR-0723K7L (YAGEO) are preferred substitutes as they maintain active production status. All three parts are ROHS3 compliant and REACH unaffected.
CRCW120623K7FKEA includes AEC-Q200 automotive qualification, making it suitable for automotive and high-reliability applications requiring additional qualification standards.
CR1206-FX-2372ELF and RC1206FR-0723K7L feature moisture-resistant composition, providing enhanced environmental protection compared to the anti-sulfur composition of the original RMCS1206FT23K7.
ERJ-8ENF2372V (Panasonic) is marked as "Not For New Designs" and should be used only for legacy system maintenance or replacement applications where existing inventory must be maintained.
Frequently Asked Questions (FAQ)
Q: Can I use any of these substitute parts as a direct replacement for RMCS1206FT23K7?
A: Yes. All listed substitute parts maintain identical electrical specifications (23.7 kOhms ±1%, 0.25W) and mechanical compatibility (1206 package). They are electrically and mechanically interchangeable in circuit applications.
Q: What is the difference between anti-sulfur and moisture-resistant compositions?
A: Anti-sulfur composition protects against sulfur contamination in the operating environment. Moisture-resistant composition provides enhanced protection against moisture ingress. Both are thick film resistors with identical electrical performance for this specification.
Q: Why is ERJ-8ENF2372V marked "Not For New Designs"?
A: This designation indicates the manufacturer has discontinued active development for new applications. The part remains available for existing designs and legacy system support but should not be selected for new circuit designs.
Q: Are there dimensional differences between these parts?
A: Minor dimensional variations exist within the 1206 package specification. Length ranges from 0.122" to 0.126", width from 0.061" to 0.063", and height from 0.024" to 0.030". These variations remain within standard 1206 package tolerances and do not affect PCB footprint compatibility.
Q: Which substitute part should I select for automotive applications?
A: CRCW120623K7FKEA (Vishay Dale) includes AEC-Q200 automotive qualification and is the appropriate selection for automotive and high-reliability applications.
Q: Do all these parts have the same moisture sensitivity level?
A: Yes. All parts have MSL rating of 1 (Unlimited), indicating no moisture sensitivity restrictions for storage or handling.
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