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Equivalent & Substitute Parts for RMC1/10-1803FTP
Part Overview
RMC1/10-1803FTP is an active 180 kOhms ±1% 0.125W, 1/8W chip resistor in the 0805 (2012 Metric) surface mount package, manufactured by Kamaya Inc. As a thick film resistor intended for automated assembly, it is stocked in tape & reel packaging for high-volume use. Identifying substitute and equivalent models is essential for maintaining supply chain continuity, especially if the main part is temporarily unavailable or an alternate series is required for qualification, logistics, or compliance reasons.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Manufacturer Part Number | RMC1/10-1803FTP |
| Resistance | 180 kOhms |
| Tolerance | ±1% |
| Power (Watts) | 0.125W, 1/8W |
| Composition | Thick Film |
| Temperature Coefficient | ±100ppm/°C |
| Operating Temperature | -55°C ~ 155°C |
| Package / Case | 0805 (2012 Metric) |
| Supplier Device Package | 0805 |
| Size / Dimension | 0.079" L x 0.049" W (2.00mm x 1.25mm) |
| Height - Seated (Max) | 0.026" (0.65mm) |
| Number of Terminations | 2 |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) |
Substitute Part Grouping Explanation
Parametric equivalent substitutions for RMC1/10-1803FTP are determined strictly by matching the following key parameters: resistance (180 kOhms), tolerance (±1%), power rating (0.125W, 1/8W), temperature coefficient (±100ppm/°C), operating temperature range (-55°C ~ 155°C), package/case (0805, 2012 Metric), composition (Thick Film), physical dimensions, number of terminations, and moisture sensitivity level (MSL 1). Only components explicitly meeting these parameters are included in this list.
Parameter Comparison
| Manufacturer Part Number | Manufacturer | Resistance | Tolerance | Power (Watts) | Composition | Temperature Coefficient | Operating Temperature | Package / Case | Supplier Device Package | Size / Dimension | Height - Seated (Max) | Number of Terminations | Moisture Sensitivity Level (MSL) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| RMC1/10-1803FTP | Kamaya Inc. | 180 kOhms | ±1% | 0.125W, 1/8W | Thick Film | ±100ppm/°C | -55°C ~ 155°C | 0805 (2012 Metric) | 0805 | 0.079" x 0.049" (2.00mm x 1.25mm) | 0.026" (0.65mm) | 2 | 1 (Unlimited) |
| CRG0805F180K | TE Connectivity Passive Product | 180 kOhms | ±1% | 0.125W, 1/8W | Thick Film | ±100ppm/°C | -55°C ~ 155°C | 0805 (2012 Metric) | 0805 | 0.079" x 0.049" (2.00mm x 1.25mm) | 0.026" (0.65mm) | 2 | 1 (Unlimited) |
| CRGCQ0805F180K | TE Connectivity Passive Product | 180 kOhms | ±1% | 0.125W, 1/8W | Thick Film | ±100ppm/°C | -55°C ~ 155°C | 0805 (2012 Metric) | 0805 | 0.079" x 0.049" (2.00mm x 1.25mm) | 0.026" (0.65mm) | 2 | 1 (Unlimited) |
| KTR10EZPF1803 | Rohm Semiconductor | 180 kOhms | ±1% | 0.125W, 1/8W | Thick Film | ±100ppm/°C | -55°C ~ 155°C | 0805 (2012 Metric) | 0805 | 0.079" x 0.049" (2.00mm x 1.25mm) | 0.026" (0.65mm) | 2 | 1 (Unlimited) |
| RC2012F184CS | Samsung Electro-Mechanics | 180 kOhms | ±1% | 0.125W, 1/8W | Thick Film | ±100ppm/°C | -55°C ~ 155°C | 0805 (2012 Metric) | 0805 | 0.079" x 0.049" (2.00mm x 1.25mm) | 0.026" (0.65mm) | 2 | 1 (Unlimited) |
| RMCF0805FT180K | Stackpole Electronics Inc | 180 kOhms | ±1% | 0.125W, 1/8W | Thick Film | ±100ppm/°C | -55°C ~ 155°C | 0805 (2012 Metric) | 0805 | 0.079" x 0.049" (2.00mm x 1.25mm) | 0.026" (0.65mm) | 2 | 1 (Unlimited) |
Engineering Selection Recommendations
Selection of equivalent and substitute chip resistors for RMC1/10-1803FTP must be based on active product status, matching resistance, tolerance, rated power, temperature coefficient, package dimensions, and moisture sensitivity level. All listed equivalents comply with the required MSL 1 rating and present parametric parity for electrical and mechanical application. RoHS, REACH, and AEC-Q200 statuses are specified where available, supporting compliance-driven selection.
Frequently Asked Questions (FAQ)
Q: Which parameters are critical for substituting RMC1/10-1803FTP in an 0805 SMD resistor application?
A: Substitution requires exact matching of resistance value, tolerance, power rating, temperature coefficient, operating temperature range, package/case, physical dimensions, termination count, composition, and moisture sensitivity level.
Q: Can a substitute with different packaging type be considered?
A: Physical parameters and electrical ratings must match; packaging (Tape & Reel, Cut Tape) is relevant for assembly and inventory logistics, not electrical compatibility.
Q: Are all listed substitutes suitable for direct PCB placement in 0805 lands?
A: Yes. All substitute parts use the 0805 (2012 Metric) package and dimensions specified, compatible with the same PCB footprint.
Q: Is MSL rating important for SMD resistor selection?
A: Yes. MSL 1 (Unlimited) ensures all parts are equally robust against moisture uptake for mounting and reflow procedures.
Q: How does composition or special feature (e.g., Automotive AEC-Q200, Moisture Resistant) affect compatibility?
A: All substitutes share thick film construction. Features such as automotive rating or moisture resistance are noted but do not affect baseline parametric compatibility.
Q: Is RoHS or REACH compliance mandatory for substitution?
A: Selection based exclusively on provided compliance statuses ensures regulatory adherence when required by application documentation.
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