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Equivalent & Substitute Parts for RT1206FRE0730R1L
Part Overview
The RT1206FRE0730R1L is a 30.1 Ohms ±1% thin film chip resistor in 1206 (3216 Metric) package format, rated for 0.25W power dissipation. This component is manufactured by YAGEO and maintains Active product status with full RoHS3 compliance. Alternative equivalent parts may be required due to inventory availability, performance specification upgrades, or application-specific requirements such as enhanced tolerance, increased power rating, or automotive qualification.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Resistance | 30.1 Ohms |
| Tolerance | ±1% |
| Power Rating | 0.25W (1/4W) |
| Package / Case | 1206 (3216 Metric) |
| Composition | Thin Film |
| Temperature Coefficient | ±50ppm/°C |
| Operating Temperature Range | -55°C ~ 155°C |
| RoHS Status | RoHS3 Compliant |
| Moisture Sensitivity Level | MSL 1 (Unlimited) |
Substitute Part Grouping Explanation
Substitution eligibility for the RT1206FRE0730R1L is determined by the following critical parameters:
- Resistance Value: Must be 30.1 Ohms (exact match required)
- Package Format: Must be 1206 (3216 Metric) for PCB footprint compatibility
- Composition: Thin film construction maintains electrical performance characteristics
- Operating Temperature Range: Must support -55°C ~ 155°C minimum
- Compliance: RoHS3 and REACH compliance required for regulatory alignment
Substitute parts may differ in tolerance specification, power rating, temperature coefficient, and additional features (such as automotive qualification or anti-sulfur treatment) provided the core parameters remain compatible.
Parameter Comparison
| Parameter | RT1206FRE0730R1L (Main) | RT1206BRD0730R1L (Upgrade) | PAT1206E30R1BST1 (MFR Recommended) |
|---|---|---|---|
| Manufacturer | YAGEO | YAGEO | Vishay Dale Thin Film |
| Resistance | 30.1 Ohms | 30.1 Ohms | 30.1 Ohms |
| Tolerance | ±1% | ±0.1% | ±0.1% |
| Power Rating | 0.25W (1/4W) | 0.25W (1/4W) | 0.4W (2/5W) |
| Package / Case | 1206 (3216 Metric) | 1206 (3216 Metric) | 1206 (3216 Metric) |
| Composition | Thin Film | Thin Film | Thin Film |
| Temperature Coefficient | ±50ppm/°C | ±25ppm/°C | ±25ppm/°C |
| Operating Temperature | -55°C ~ 155°C | -55°C ~ 155°C | -55°C ~ 155°C |
| Size / Dimension | 0.122" L x 0.063" W (3.10mm x 1.60mm) | 0.122" L x 0.063" W (3.10mm x 1.60mm) | 0.126" L x 0.063" W (3.20mm x 1.60mm) |
| Height - Seated (Max) | 0.026" (0.65mm) | 0.026" (0.65mm) | 0.018" (0.46mm) |
| RoHS Status | RoHS3 Compliant | RoHS3 Compliant | RoHS3 Compliant |
| MSL Rating | MSL 1 (Unlimited) | MSL 1 (Unlimited) | MSL 1 (Unlimited) |
| Automotive Qualification | Not specified | Not specified | AEC-Q200 |
| Additional Features | None specified | None specified | Anti-Sulfur, Moisture Resistant |
Engineering Selection Recommendations
RT1206BRD0730R1L serves as a direct upgrade substitute within the YAGEO RT series. This part maintains identical package dimensions and power rating while providing improved tolerance specification (±0.1% versus ±1%) and reduced temperature coefficient (±25ppm/°C versus ±50ppm/°C). Both parts retain RoHS3 compliance and MSL 1 rating, ensuring regulatory and environmental compatibility.
PAT1206E30R1BST1 from Vishay Dale represents a manufacturer-recommended alternative with enhanced specifications suitable for demanding applications. This part offers increased power rating (0.4W versus 0.25W), tighter tolerance (±0.1%), and AEC-Q200 automotive qualification. The anti-sulfur and moisture-resistant features provide additional environmental protection. Physical dimensions show minor variation (0.126" L versus 0.122" L and 0.018" height versus 0.026" height), requiring PCB layout verification for space-constrained designs. All three parts maintain full RoHS3 and REACH compliance.
Frequently Asked Questions (FAQ)
Q: Can RT1206BRD0730R1L replace RT1206FRE0730R1L in existing designs?
A: Yes. Both parts share identical 1206 package dimensions, resistance value, power rating, and operating temperature range. The RT1206BRD0730R1L provides superior tolerance and temperature coefficient specifications while maintaining backward compatibility.
Q: Is PAT1206E30R1BST1 compatible with the original RT1206FRE0730R1L footprint?
A: The resistance value, package designation, and operating temperature range are compatible. However, physical dimensions differ slightly: length is 0.126" (versus 0.122") and seated height is 0.018" (versus 0.026"). PCB layout verification is required for space-constrained applications before substitution.
Q: What is the primary advantage of selecting PAT1206E30R1BST1?
A: This part provides increased power dissipation capability (0.4W versus 0.25W), AEC-Q200 automotive qualification, anti-sulfur treatment, and moisture resistance. These features are beneficial for automotive, industrial, or harsh environment applications.
Q: Are all three parts RoHS3 compliant?
A: Yes. RT1206FRE0730R1L, RT1206BRD0730R1L, and PAT1206E30R1BST1 all maintain RoHS3 compliance and MSL 1 (Unlimited) moisture sensitivity rating.
Q: What determines substitution compatibility for 30.1 Ohm 1206 resistors?
A: Core compatibility requirements are: 30.1 Ohms exact resistance value, 1206 (3216 Metric) package format, thin film composition, -55°C ~ 155°C operating temperature support, and RoHS3 compliance. Tolerance, power rating, temperature coefficient, and additional features may vary based on application requirements.
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