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RMC1/8-474JTP Equivalent & Substitute Parts Reference
Part Overview
The RMC1/8-474JTP is a 470 kOhms ±5% 0.25W thick film chip resistor in 1206 (3216 Metric) package manufactured by Kamaya Inc. This component is classified as Active product status with 688 pieces currently in stock. The RMC series represents a standard general-purpose resistor suitable for general electronics applications requiring moderate tolerance specifications.
Equivalent and substitute parts are necessary when the primary part becomes unavailable, when design requirements demand enhanced specifications such as tighter tolerance or automotive qualification, or when supply chain optimization requires alternative sourcing from different manufacturers while maintaining electrical and mechanical compatibility.
Substiute Parts
Key Parameters
| Parameter | Value | Specification Basis |
|---|---|---|
| Resistance Value | 470 kOhms | Core electrical specification |
| Tolerance | ±5% | Defines acceptable resistance range |
| Power Rating | 0.25W (1/4W) | Maximum power dissipation capability |
| Package Type | 1206 (3216 Metric) | Physical form factor and PCB footprint |
| Composition | Thick Film | Manufacturing technology |
| Temperature Coefficient | ±200ppm/°C | Resistance stability over temperature |
| Operating Temperature Range | -55°C to 155°C | Environmental operating limits |
| Moisture Sensitivity Level | MSL 1 (Unlimited) | Moisture handling requirements |
| Number of Terminations | 2 | Component connectivity |
Substitute Part Grouping Explanation
Substitute parts for the RMC1/8-474JTP are classified into two categories based on electrical specifications:
Direct Equivalents (±5% Tolerance): Parts maintaining identical tolerance specification of ±5%, temperature coefficient of ±200ppm/°C, and all other electrical parameters. These parts provide one-to-one functional replacement without design modification.
Upgrade Options (±1% Tolerance): Parts offering improved tolerance specification of ±1% with enhanced temperature coefficient of ±100ppm/°C. These represent performance upgrades suitable for applications requiring tighter resistance control.
All substitute parts share the following mandatory compatibility criteria:
- Resistance value: 470 kOhms
- Power rating: 0.25W (1/4W)
- Package: 1206 (3216 Metric)
- Composition: Thick Film
- Operating temperature range: -55°C to 155°C
- Moisture sensitivity: MSL 1 (Unlimited)
- Number of terminations: 2
Substitution is valid only when all these parameters match the original specification.
Parameter Comparison
| Manufacturer Part Number | Manufacturer | Resistance | Tolerance | Power (W) | Temp Coeff (ppm/°C) | Operating Temp (°C) | Package | Product Status | Features |
|---|---|---|---|---|---|---|---|---|---|
| RMC1/8-474JTP | Kamaya Inc. | 470 kΩ | ±5% | 0.25 | ±200 | -55 to 155 | 1206 | Active | — |
| ERJ-8GEYJ474V | Panasonic Electronic Components | 470 kΩ | ±5% | 0.25 | ±200 | -55 to 155 | 1206 | Not For New Designs | Automotive AEC-Q200 |
| KTR18EZPJ474 | Rohm Semiconductor | 470 kΩ | ±5% | 0.25 | ±200 | -55 to 155 | 1206 | Active | Automotive AEC-Q200, High Voltage |
| MCR18ERTJ474 | Rohm Semiconductor | 470 kΩ | ±5% | 0.25 | ±200 | -55 to 155 | 1206 | Discontinued at DiGi Electronics | — |
| RMCF1206JG470K | Stackpole Electronics Inc | 470 kΩ | ±5% | 0.25 | ±200 | -55 to 155 | 1206 | Active | Automotive AEC-Q200 |
| RMCF1206JT470K | Stackpole Electronics Inc | 470 kΩ | ±5% | 0.25 | ±200 | -55 to 155 | 1206 | Active | Automotive AEC-Q200 |
| RV1206JR-07470KL | YAGEO | 470 kΩ | ±5% | 0.25 | ±200 | -55 to 155 | 1206 | Active | Automotive AEC-Q200, High Voltage |
| CRG1206F470K | TE Connectivity Passive Product | 470 kΩ | ±1% | 0.25 | ±100 | -55 to 155 | 1206 | Active | — |
| ERJ-8ENF4703V | Panasonic Electronic Components | 470 kΩ | ±1% | 0.25 | ±100 | -55 to 155 | 1206 | Not For New Designs | Automotive AEC-Q200 |
| KTR18EZPF4703 | Rohm Semiconductor | 470 kΩ | ±1% | 0.25 | ±100 | -55 to 155 | 1206 | Active | Automotive AEC-Q200, High Voltage |
| RC1206FR-07470KL | YAGEO | 470 kΩ | ±1% | 0.25 | ±100 | -55 to 155 | 1206 | Active | Moisture Resistant |
Engineering Selection Recommendations
For Direct Replacement (±5% Tolerance Requirement):
RMCF1206JT470K (Stackpole Electronics Inc) is the primary recommended direct equivalent. This part maintains Active product status with the highest inventory availability (545,989 pieces), ensuring supply continuity. It provides identical electrical specifications and Automotive AEC-Q200 certification, offering enhanced reliability for automotive and industrial applications.
RMCF1206JG470K (Stackpole Electronics Inc) serves as an alternative direct equivalent with Active status and substantial inventory (10,882 pieces). Both Stackpole parts are functionally interchangeable with the original RMC1/8-474JTP.
KTR18EZPJ474 (Rohm Semiconductor) provides direct equivalence with Active status and includes High Voltage features. This part is suitable for applications requiring enhanced voltage performance within the same tolerance specification.
RV1206JR-07470KL (YAGEO) offers direct equivalence with Active status, High Voltage capability, and good inventory availability (29,284 pieces).
Avoid for New Designs:
ERJ-8GEYJ474V (Panasonic) carries "Not For New Designs" status and should not be selected for new product development despite meeting electrical specifications.
MCR18ERTJ474 (Rohm Semiconductor) is discontinued at DiGi Electronics and should not be used for new applications.
For Upgraded Performance (±1% Tolerance Requirement):
CRG1206F470K (TE Connectivity Passive Product) provides ±1% tolerance upgrade with Active status. This part improves resistance accuracy and temperature coefficient (±100ppm/°C) for applications requiring tighter tolerance control.
KTR18EZPF4703 (Rohm Semiconductor) offers ±1% tolerance with Automotive AEC-Q200 and High Voltage features, suitable for demanding automotive and industrial applications requiring enhanced specifications.
RC1206FR-07470KL (YAGEO) provides ±1% tolerance with Moisture Resistant features and Active status, appropriate for applications in humid environments.
Avoid for New Designs (Upgrade Category):
ERJ-8ENF4703V (Panasonic) carries "Not For New Designs" status despite offering ±1% tolerance upgrade.
Frequently Asked Questions (FAQ)
Q: Can I substitute RMC1/8-474JTP with any 470 kOhms resistor?
A: No. Substitution requires matching all mandatory parameters: 470 kOhms resistance value, ±5% tolerance (or tighter for upgrades), 0.25W power rating, 1206 package, thick film composition, -55°C to 155°C operating range, and MSL 1 moisture sensitivity. Only parts meeting all criteria are valid substitutes.
Q: What is the difference between direct equivalents and upgrade options?
A: Direct equivalents maintain ±5% tolerance and ±200ppm/°C temperature coefficient identical to the original part. Upgrade options provide ±1% tolerance and ±100ppm/°C temperature coefficient, offering improved resistance accuracy and temperature stability. Upgrades are backward compatible but provide enhanced performance.
Q: Why do some substitute parts have "Not For New Designs" status?
A: Parts marked "Not For New Designs" are typically being phased out by manufacturers. While electrically compatible, they should not be selected for new product development to avoid future supply discontinuation. Use Active status parts for new designs.
Q: Are Automotive AEC-Q200 certified parts suitable for non-automotive applications?
A: Yes. Automotive AEC-Q200 certification indicates enhanced reliability testing and quality standards. These parts are fully compatible with general-purpose applications and provide superior reliability margins compared to non-certified equivalents.
Q: What does "High Voltage" feature mean for these 1206 resistors?
A: High Voltage designation indicates the resistor is rated for higher voltage stress conditions while maintaining the same 0.25W power rating. This feature provides additional safety margin in high-voltage circuit applications without changing the fundamental electrical specifications.
Q: Can I use ±1% tolerance parts as direct replacements for ±5% tolerance requirement?
A: Yes. Tighter tolerance is always backward compatible. A ±1% part satisfies any circuit requirement for ±5% tolerance. However, use ±1% parts only when the circuit design specifically benefits from improved accuracy, as they typically cost more.
Q: What is the significance of Moisture Sensitivity Level (MSL) 1?
A: MSL 1 (Unlimited) indicates the component has no moisture sensitivity restrictions. These parts can be stored indefinitely without special moisture control measures and do not require baking before soldering, simplifying handling and storage procedures.
Q: Are there physical dimension differences between substitute parts?
A: Minor dimensional variations exist within the 1206 package specification. Length ranges from 0.120" to 0.126", width is consistently 0.063", and height ranges from 0.025" to 0.028". These variations are within standard 1206 PCB footprint tolerances and do not affect interchangeability.
Q: Which substitute part has the best inventory availability?
A: RMCF1206JT470K (Stackpole Electronics Inc) offers the highest inventory with 545,989 pieces in stock, ensuring reliable supply for high-volume applications.
Q: Can I mix different substitute parts in the same circuit board?
A: Yes. All listed substitute parts are electrically and mechanically compatible. Mixing different manufacturers or tolerance grades within the same design is acceptable provided the circuit design accommodates the tolerance specification of the loosest tolerance part used.
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