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RMCS1206FT200R Equivalent & Substitute Parts
Part Overview
The RMCS1206FT200R is a 200 Ohms ±1% 0.25W (1/4W) chip resistor in 1206 (3216 Metric) package manufactured by Stackpole Electronics Inc. This anti-sulfur thick film resistor operates across -55°C to 155°C and is ROHS3 compliant with unlimited moisture sensitivity level (MSL 1). The part is currently active in production with 1001 pieces in stock. Equivalent and substitute parts are necessary to ensure design flexibility, manage supply chain continuity, and accommodate specific application requirements such as automotive qualification or enhanced pulse withstanding capabilities.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Resistance | 200 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 ~ 155°C |
| Number of Terminations | 2 |
| RoHS Status | ROHS3 Compliant |
| Moisture Sensitivity Level | 1 (Unlimited) |
Substitute Part Grouping Explanation
Substitution eligibility for the RMCS1206FT200R is determined by strict adherence to the following core parameters: resistance value (200 Ohms), tolerance (±1%), package type (1206 / 3216 Metric), composition (thick film), temperature coefficient (±100ppm/°C), operating temperature range (-55°C ~ 155°C), and termination count (2). Power rating substitution is permitted only when the substitute part meets or exceeds the 0.25W requirement while maintaining all other electrical and mechanical specifications. All substitute parts listed maintain these critical parameters. Variations in features (automotive AEC-Q200 qualification, moisture resistance, pulse withstanding capability) and packaging format (Tape & Reel vs. Cut Tape) do not disqualify substitution but may introduce additional benefits or compliance requirements specific to application needs.
Parameter Comparison
| Manufacturer Part Number | Manufacturer | Resistance | Tolerance | Power (Watts) | Package / Case | Temperature Coefficient | Operating Temperature | RoHS Status | MSL | Product Status |
|---|---|---|---|---|---|---|---|---|---|---|
| RMCS1206FT200R | Stackpole Electronics Inc | 200 Ohms | ±1% | 0.25W | 1206 (3216 Metric) | ±100ppm/°C | -55°C ~ 155°C | ROHS3 Compliant | 1 | Active |
| RMCF1206FT200R | Stackpole Electronics Inc | 200 Ohms | ±1% | 0.25W | 1206 (3216 Metric) | ±100ppm/°C | -55°C ~ 155°C | ROHS3 Compliant | 1 | Active |
| AC1206FR-07200RL | YAGEO | 200 Ohms | ±1% | 0.25W | 1206 (3216 Metric) | ±100ppm/°C | -55°C ~ 155°C | ROHS3 Compliant | 1 | Active |
| CR1206-FX-2000ELF | Bourns Inc. | 200 Ohms | ±1% | 0.25W | 1206 (3216 Metric) | ±100ppm/°C | -55°C ~ 155°C | ROHS3 Compliant | 1 | Active |
| CRCW1206200RFKEA | Vishay Dale | 200 Ohms | ±1% | 0.25W | 1206 (3216 Metric) | ±100ppm/°C | -55°C ~ 155°C | ROHS3 Compliant | 1 | Active |
| CRCW1206200RFKEAHP | Vishay Dale | 200 Ohms | ±1% | 0.75W | 1206 (3216 Metric) | ±100ppm/°C | -55°C ~ 155°C | ROHS3 Compliant | 1 | Active |
| CRCW1206200RFKTA | Vishay Dale | 200 Ohms | ±1% | 0.25W | 1206 (3216 Metric) | ±100ppm/°C | -55°C ~ 155°C | RoHS non-compliant | 1 | Active |
| ERJ-8ENF2000V | Panasonic Electronic Components | 200 Ohms | ±1% | 0.25W | 1206 (3216 Metric) | ±100ppm/°C | -55°C ~ 155°C | ROHS3 Compliant | 1 | Not For New Designs |
| ESR18EZPF2000 | Rohm Semiconductor | 200 Ohms | ±1% | 0.5W | 1206 (3216 Metric) | ±100ppm/°C | -55°C ~ 155°C | ROHS3 Compliant | 1 | Active |
| RC1206FR-07200RL | YAGEO | 200 Ohms | ±1% | 0.25W | 1206 (3216 Metric) | ±100ppm/°C | -55°C ~ 155°C | ROHS3 Compliant | 1 | Active |
Engineering Selection Recommendations
RMCF1206FT200R (Stackpole Electronics Inc) is the primary equivalent from the same manufacturer, offering automotive AEC-Q200 qualification with identical electrical specifications and active product status. CRCW1206200RFKEA and CRCW1206200RFKTA (Vishay Dale) provide automotive AEC-Q200 rated alternatives; however, CRCW1206200RFKTA is RoHS non-compliant and REACH affected, limiting its use in regulated applications. CRCW1206200RFKEAHP (Vishay Dale) offers increased power rating (0.75W) with pulse withstanding capability for applications requiring enhanced transient protection. AC1206FR-07200RL and RC1206FR-07200RL (YAGEO) provide automotive AEC-Q200 qualified options with moisture resistance; RC1206FR-07200RL is available in Cut Tape packaging. CR1206-FX-2000ELF (Bourns Inc.) offers moisture resistance without automotive qualification. ESR18EZPF2000 (Rohm Semiconductor) provides 0.5W power rating with automotive AEC-Q200 and pulse withstanding features. ERJ-8ENF2000V (Panasonic Electronic Components) carries "Not For New Designs" status and should be avoided for new development despite ROHS3 compliance and automotive qualification.
Frequently Asked Questions (FAQ)
Q: Can CRCW1206200RFKEAHP (0.75W) be used as a direct substitute for RMCS1206FT200R (0.25W)?
A: Yes. The higher power rating (0.75W vs. 0.25W) is electrically compatible and provides additional thermal margin. All other critical parameters—resistance, tolerance, package, temperature coefficient, and operating range—are identical. The increased power capability does not degrade performance in applications designed for 0.25W operation.
Q: What is the difference between Tape & Reel (TR) and Cut Tape (CT) packaging?
A: Tape & Reel packaging is supplied on continuous carrier tape suitable for automated pick-and-place assembly. Cut Tape & Digi-Reel packaging provides smaller quantities on cut tape segments, typically for manual assembly or lower-volume applications. Electrical and mechanical specifications remain identical; packaging format affects only handling and assembly methodology.
Q: Why is ERJ-8ENF2000V marked "Not For New Designs"?
A: This designation indicates the manufacturer has discontinued active development and recommends alternative parts for new product designs. While the part remains electrically and mechanically compatible, using it in new designs may create future supply chain risk. Active alternatives such as RMCF1206FT200R or CRCW1206200RFKEA are preferred.
Q: Is CRCW1206200RFKTA suitable for regulated applications?
A: No. CRCW1206200RFKTA is RoHS non-compliant and REACH affected, making it unsuitable for applications subject to EU environmental regulations or customer RoHS requirements. Use ROHS3 compliant alternatives such as RMCF1206FT200R, CRCW1206200RFKEA, or AC1206FR-07200RL instead.
Q: Do all substitute parts meet automotive AEC-Q200 qualification?
A: No. RMCS1206FT200R (original), CR1206-FX-2000ELF, and RC1206FR-07200RL do not carry AEC-Q200 qualification. RMCF1206FT200R, AC1206FR-07200RL, CRCW1206200RFKEA, CRCW1206200RFKTA, CRCW1206200RFKEAHP, ERJ-8ENF2000V, and ESR18EZPF2000 are AEC-Q200 qualified. Select based on application requirements.
Q: Are dimensional variations between substitute parts significant?
A: Dimensional variations are minor and within standard 1206 package tolerances. Length ranges from 0.122" to 0.126" (3.10mm to 3.20mm), width from 0.061" to 0.063" (1.55mm to 1.60mm), and height from 0.024" to 0.030" (0.60mm to 0.75mm). These variations do not affect PCB layout compatibility or assembly processes for standard 1206 footprints.
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