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RT1206FRE07124KL Equivalent & Substitute Parts
Part Overview
The RT1206FRE07124KL is a 124 kOhms ±1% thin film chip resistor in 1206 (3216 Metric) package format, rated for 0.25W power dissipation. This component is actively manufactured by YAGEO and maintains ROHS3 compliance with unlimited moisture sensitivity rating. Substitute parts are identified when equivalent electrical performance, mechanical compatibility, and environmental ratings can be maintained across the same package footprint and resistance value.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Resistance | 124 kOhms |
| Tolerance | ±1% |
| Power Rating | 0.25W (1/4W) |
| Package | 1206 (3216 Metric) |
| Composition | Thin Film |
| Operating Temperature Range | -55°C to 155°C |
| RoHS Status | ROHS3 Compliant |
| Moisture Sensitivity Level | 1 (Unlimited) |
Substitute Part Grouping Explanation
Substitution eligibility for the RT1206FRE07124KL is determined by the following criteria:
- Resistance Value: Must be 124 kOhms
- Package Format: Must be 1206 (3216 Metric) to ensure PCB footprint compatibility
- Power Rating: Must be ≥0.25W
- Composition: Thin film construction
- Operating Temperature Range: Must cover -55°C to 155°C minimum
- RoHS Compliance: ROHS3 Compliant required
- Moisture Sensitivity: MSL 1 (Unlimited) required
Two substitute parts meet these criteria. The first represents a tolerance upgrade within the same manufacturer series. The second provides automotive-grade qualification while maintaining electrical and mechanical compatibility.
Parameter Comparison
| Parameter | RT1206FRE07124KL | RT1206BRD07124KL | ERA-8AEB1243V |
|---|---|---|---|
| Manufacturer | YAGEO | YAGEO | Panasonic Electronic Components |
| Resistance | 124 kOhms | 124 kOhms | 124 kOhms |
| Tolerance | ±1% | ±0.1% | ±0.1% |
| Power Rating | 0.25W | 0.25W | 0.25W |
| Temperature Coefficient | ±50ppm/°C | ±25ppm/°C | ±25ppm/°C |
| Operating Temperature | -55°C to 155°C | -55°C to 155°C | -55°C to 155°C |
| Package | 1206 (3216 Metric) | 1206 (3216 Metric) | 1206 (3216 Metric) |
| Composition | Thin Film | Thin Film | Thin Film |
| RoHS Status | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant |
| MSL Rating | 1 (Unlimited) | 1 (Unlimited) | 1 (Unlimited) |
| Product Status | Active | Active | Active |
Engineering Selection Recommendations
RT1206BRD07124KL (YAGEO): This part provides improved tolerance specification (±0.1% versus ±1%) and reduced temperature coefficient (±25ppm/°C versus ±50ppm/°C) while maintaining identical package, power rating, and compliance certifications. Selection is appropriate when circuit design requires tighter resistance tolerance and improved temperature stability within the same YAGEO product line.
ERA-8AEB1243V (Panasonic): This part meets all electrical and mechanical substitution criteria and adds AEC-Q200 automotive qualification. Selection is appropriate for applications requiring automotive-grade component certification while maintaining the same 124 kOhms resistance, 0.25W power rating, and 1206 package format. Physical dimensions show minor variation (0.126" L × 0.063" W versus 0.122" L × 0.063" W and 0.028" height versus 0.026" height), which remains within standard PCB design tolerances for 1206 footprints.
Frequently Asked Questions (FAQ)
Q: Can RT1206BRD07124KL be used as a direct replacement for RT1206FRE07124KL?
A: Yes. Both parts share identical resistance value (124 kOhms), power rating (0.25W), package format (1206), operating temperature range (-55°C to 155°C), and compliance certifications (ROHS3, MSL 1). The RT1206BRD07124KL offers improved tolerance (±0.1% versus ±1%) and lower temperature coefficient (±25ppm/°C versus ±50ppm/°C), making it a direct upgrade with no circuit modifications required.
Q: Is ERA-8AEB1243V compatible with the same PCB footprint?
A: Yes. The ERA-8AEB1243V uses the 1206 (3216 Metric) package and is compatible with standard 1206 PCB footprints. Minor dimensional variations (length 0.126" versus 0.122", height 0.028" versus 0.026") fall within standard PCB design tolerances and do not affect placement or soldering.
Q: What is the primary difference between the three parts?
A: All three parts provide 124 kOhms ±tolerance in 1206 package with 0.25W rating. The RT1206FRE07124KL offers ±1% tolerance. The RT1206BRD07124KL upgrades to ±0.1% tolerance within the YAGEO series. The ERA-8AEB1243V provides ±0.1% tolerance with AEC-Q200 automotive qualification from Panasonic.
Q: Can these parts be used interchangeably in automotive applications?
A: The ERA-8AEB1243V carries AEC-Q200 automotive qualification and is the specified choice for automotive applications. The RT1206FRE07124KL and RT1206BRD07124KL do not carry automotive ratings and should not be substituted in automotive designs without design review and qualification.
Q: Are all three parts currently in stock?
A: Yes. RT1206FRE07124KL: 1011 pcs, RT1206BRD07124KL: 1123 pcs, ERA-8AEB1243V: 3724 pcs are listed as new original inventory.
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