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RMC1/8-102JTP Equivalent & Substitute Parts Reference
Part Overview
The RMC1/8-102JTP is a 1 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 1,106 pieces currently in stock. The RMC series represents a standard general-purpose resistor suitable for general industrial and commercial applications. Substitute parts are necessary to address supply chain continuity, alternative sourcing options, or specific application requirements such as automotive qualification or enhanced tolerance specifications.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Resistance | 1 kOhms |
| Tolerance | ±5% |
| Power Rating | 0.25W (1/4W) |
| Package / Case | 1206 (3216 Metric) |
| Composition | Thick Film |
| Temperature Coefficient | ±200ppm/°C |
| Operating Temperature Range | -55°C ~ 155°C |
| Moisture Sensitivity Level | 1 (Unlimited) |
| RoHS Status | ROHS3 Compliant |
| Packaging Type | Tape & Reel (TR) |
Substitute Part Grouping Explanation
Substitute parts for the RMC1/8-102JTP are categorized based on strict electrical and mechanical parameter matching. The primary substitution criteria are:
Core Matching Parameters:
- Resistance value: 1 kOhms
- Tolerance: ±5%
- Power rating: 0.25W (1/4W)
- Package: 1206 (3216 Metric)
- Composition: Thick Film
- Operating temperature range: -55°C ~ 155°C
- Moisture Sensitivity Level: 1 (Unlimited)
Direct Substitutes maintain all core parameters and differ only in manufacturer, series designation, or minor dimensional variations within acceptable tolerances. These parts are electrically and mechanically interchangeable with the RMC1/8-102JTP.
Upgrade Substitutes provide enhanced specifications while maintaining the same package and core electrical characteristics. These include improved tolerance (±1% instead of ±5%) and lower temperature coefficient (±100ppm/°C instead of ±200ppm/°C), making them suitable for applications requiring higher precision.
Parameter Comparison
| Part Number | Manufacturer | Resistance | Tolerance | Power (W) | Temp Coeff (ppm/°C) | Operating Temp (°C) | Package | AEC-Q200 | Product Status |
|---|---|---|---|---|---|---|---|---|---|
| RMC1/8-102JTP | Kamaya Inc. | 1 kOhms | ±5% | 0.25 | ±200 | -55 ~ 155 | 1206 | No | Active |
| CRG1206J1K0 | TE Connectivity | 1 kOhms | ±5% | 0.25 | ±200 | -55 ~ 155 | 1206 | No | Active |
| ERJ-8GEYJ102V | Panasonic | 1 kOhms | ±5% | 0.25 | ±200 | -55 ~ 155 | 1206 | Yes | Not For New Designs |
| KTR18EZPJ102 | Rohm Semiconductor | 1 kOhms | ±5% | 0.25 | ±200 | -55 ~ 155 | 1206 | Yes | Active |
| RMCF1206JG1K00 | Stackpole Electronics | 1 kOhms | ±5% | 0.25 | ±200 | -55 ~ 155 | 1206 | Yes | Active |
| RMCF1206JT1K00 | Stackpole Electronics | 1 kOhms | ±5% | 0.25 | ±200 | -55 ~ 155 | 1206 | Yes | Active |
| CRG1206F1K0 | TE Connectivity | 1 kOhms | ±1% | 0.25 | ±100 | -55 ~ 155 | 1206 | No | Active |
| ERJ-8ENF1001V | Panasonic | 1 kOhms | ±1% | 0.25 | ±100 | -55 ~ 155 | 1206 | Yes | Not For New Designs |
| KTR18EZPF1001 | Rohm Semiconductor | 1 kOhms | ±1% | 0.25 | ±100 | -55 ~ 155 | 1206 | Yes | Active |
| RC1206FR-071KL | YAGEO | 1 kOhms | ±1% | 0.25 | ±100 | -55 ~ 155 | 1206 | No | Active |
| RC1206JR-071KL | YAGEO | 1 kOhms | ±5% | 0.25 | ±100 | -55 ~ 155 | 1206 | No | Active |
Engineering Selection Recommendations
For Direct Substitution (Equivalent Specifications):
CRG1206J1K0, RMCF1206JG1K00, and RMCF1206JT1K00 are direct electrical and mechanical equivalents to the RMC1/8-102JTP. All three maintain ±5% tolerance, ±200ppm/°C temperature coefficient, and identical operating temperature range. RMCF1206JT1K00 offers the highest inventory availability (607,970 pieces) and Active product status. RMCF1206JG1K00 includes AEC-Q200 automotive qualification. CRG1206J1K0 is suitable for general industrial applications without automotive requirements.
KTR18EZPJ102 and RMCF1206JG1K00 both carry AEC-Q200 automotive qualification and Active product status, making them suitable for automotive and high-reliability applications requiring equivalent specifications.
ERJ-8GEYJ102V provides AEC-Q200 qualification but carries "Not For New Designs" status, limiting its use to legacy system support or replacement applications only.
For Enhanced Performance (Upgrade Specifications):
CRG1206F1K0, KTR18EZPF1001, RC1206FR-071KL, and ERJ-8ENF1001V provide ±1% tolerance and ±100ppm/°C temperature coefficient, representing improved precision over the original RMC1/8-102JTP. These upgrades are electrically compatible and mechanically interchangeable within the 1206 package.
KTR18EZPF1001 combines Active product status with AEC-Q200 automotive qualification and high voltage features, suitable for precision automotive and industrial applications.
RC1206FR-071KL offers moisture-resistant features with Active status and high inventory availability (119,835 pieces), suitable for applications in humid environments.
ERJ-8ENF1001V carries AEC-Q200 qualification but "Not For New Designs" status, limiting application to legacy system support.
RC1206JR-071KL maintains ±5% tolerance matching the original part while offering moisture-resistant features and lower temperature coefficient (±100ppm/°C), providing a middle-ground option between direct substitution and full upgrade.
Frequently Asked Questions (FAQ)
Q: Can I use CRG1206J1K0 as a direct replacement for RMC1/8-102JTP?
A: Yes. CRG1206J1K0 is a direct electrical and mechanical equivalent. Both parts share identical resistance (1 kOhms), tolerance (±5%), power rating (0.25W), package (1206), temperature coefficient (±200ppm/°C), and operating temperature range (-55°C ~ 155°C). The parts are interchangeable without circuit modification.
Q: What is the difference between direct substitutes and upgrade substitutes?
A: Direct substitutes maintain all electrical and mechanical specifications of the RMC1/8-102JTP, including ±5% tolerance and ±200ppm/°C temperature coefficient. Upgrade substitutes improve upon the original specifications by offering ±1% tolerance and ±100ppm/°C temperature coefficient while maintaining the same package and core electrical characteristics. Upgrades are backward compatible but provide enhanced precision.
Q: Are automotive-qualified parts (AEC-Q200) interchangeable with non-automotive parts?
A: AEC-Q200 qualified parts (KTR18EZPJ102, RMCF1206JG1K00, RMCF1206JT1K00, KTR18EZPF1001, ERJ-8GEYJ102V, ERJ-8ENF1001V) meet additional automotive reliability and testing standards. These parts are electrically and mechanically compatible with non-automotive equivalents and can be used in non-automotive applications. However, non-automotive parts should not be substituted into automotive designs requiring AEC-Q200 qualification.
Q: What does "Not For New Designs" product status mean?
A: "Not For New Designs" indicates that ERJ-8GEYJ102V and ERJ-8ENF1001V are legacy products no longer recommended for new circuit designs. These parts remain available for existing product support and replacement applications but should not be selected for new development projects. Active status parts (CRG1206J1K0, KTR18EZPJ102, RMCF1206JG1K00, RMCF1206JT1K00, and upgrade options) are preferred for new designs.
Q: Can I substitute a ±1% tolerance part for a ±5% tolerance requirement?
A: Yes. A ±1% tolerance part (CRG1206F1K0, KTR18EZPF1001, RC1206FR-071KL, ERJ-8ENF1001V, RC1206JR-071KL) is a valid upgrade substitute for a ±5% tolerance requirement. The tighter tolerance provides improved accuracy and is backward compatible with circuits designed for ±5% tolerance. No circuit modification is required.
Q: What is the significance of Moisture Sensitivity Level (MSL) 1?
A: MSL 1 (Unlimited) indicates that the component has unlimited shelf life and requires no special moisture control during storage, handling, or assembly. All listed parts carry MSL 1 rating, ensuring consistent moisture performance across all substitutes.
Q: Are there dimensional differences between substitute parts?
A: Minor dimensional variations exist within acceptable tolerances. The RMC1/8-102JTP measures 0.122" L × 0.063" W (3.10mm × 1.60mm) with 0.025" maximum seated height. Substitute parts range from 0.122" to 0.126" length and 0.061" to 0.063" width, with seated heights from 0.025" to 0.028". These variations remain within standard 1206 package specifications and do not affect PCB layout or assembly compatibility.
Q: Which substitute offers the best inventory availability?
A: RMCF1206JT1K00 provides the highest inventory with 607,970 pieces in stock. RC1206JR-071KL offers 266,882 pieces, and RC1206FR-071KL provides 119,835 pieces. These high-availability options ensure supply chain continuity for volume production.
Q: Can I use moisture-resistant variants (RC1206FR-071KL, RC1206JR-071KL) in standard applications?
A: Yes. Moisture-resistant variants are fully compatible with standard applications. The moisture-resistant feature provides additional environmental protection without affecting electrical performance or requiring circuit modifications. These parts are suitable for both standard and moisture-prone environments.
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