RT1206WRB0728K7L Equivalent & Substitute Parts

Part Overview

The RT1206WRB0728K7L is a 28.7 kOhms ±0.05% thin film chip resistor in 1206 (3216 Metric) package format, rated for 0.25W (1/4W) power dissipation. Manufactured by YAGEO under the RT series, this component is actively produced and ROHS3 compliant. Substitute parts are identified based on matching electrical specifications, package dimensions, and thermal characteristics to ensure direct functional equivalence in circuit applications.

Substiute Parts

RT1206WRB0728K7L
YAGEOIn Stock: 741RT1206WRB0728K7L Datasheet
RT1206WRB0728K7L
Current Part
ERA-8ARW2872V
Panasonic Electronic ComponentsIn Stock: 1694ERA-8ARW2872V Datasheet
ERA-8ARW2872V
MFR Recommended

Key Parameters

Parameter Value
Resistance 28.7 kOhms
Tolerance ±0.05%
Power Rating 0.25W (1/4W)
Composition Thin Film
Package / Case 1206 (3216 Metric)
Temperature Coefficient ±10ppm/°C
Operating Temperature Range -55°C ~ 155°C
RoHS Status ROHS3 Compliant
Moisture Sensitivity Level 1 (Unlimited)

Substitute Part Grouping Explanation

Substitution eligibility for the RT1206WRB0728K7L is determined by the following critical parameters:

  • Resistance Value: 28.7 kOhms (exact match required)
  • Tolerance: ±0.05% (precision specification)
  • Power Rating: 0.25W minimum
  • Package: 1206 (3216 Metric) form factor
  • Composition: Thin film technology
  • Temperature Coefficient: ±10ppm/°C or better
  • Operating Temperature: -55°C to 155°C minimum range
  • Regulatory Compliance: ROHS3 compliant

The ERA-8ARW2872V from Panasonic Electronic Components meets all substitution criteria. Both components share identical electrical specifications and thermal performance characteristics, with compatible package dimensions suitable for direct PCB placement.

Parameter Comparison

Parameter RT1206WRB0728K7L (YAGEO) ERA-8ARW2872V (Panasonic)
Resistance 28.7 kOhms 28.7 kOhms
Tolerance ±0.05% ±0.05%
Power Rating 0.25W 0.25W
Composition Thin Film Thin Film
Package 1206 (3216 Metric) 1206 (3216 Metric)
Temperature Coefficient ±10ppm/°C ±10ppm/°C
Operating Temperature -55°C ~ 155°C -55°C ~ 155°C
RoHS Status ROHS3 Compliant ROHS3 Compliant
Moisture Sensitivity Level 1 (Unlimited) 1 (Unlimited)
Packaging Format Tape & Reel (TR) Tape & Reel (TR)

Engineering Selection Recommendations

Both the RT1206WRB0728K7L and ERA-8ARW2872V are active production components with full ROHS3 compliance and REACH unaffected status. The ERA-8ARW2872V carries AEC-Q200 automotive qualification, making it suitable for applications requiring automotive-grade reliability. Selection between these parts should be based on supply chain availability, lead time requirements, and application-specific certifications. Dimensional variations (length 3.10mm vs 3.20mm, height 0.65mm vs 0.70mm) are within standard PCB layout tolerances for 1206 package footprints.

Frequently Asked Questions (FAQ)

Q: Can ERA-8ARW2872V replace RT1206WRB0728K7L in any application?

A: Yes, provided the application does not require specific manufacturer qualification. Both components meet identical electrical and thermal specifications. The ERA-8ARW2872V includes AEC-Q200 automotive certification, which may be required for automotive applications.

Q: Are there dimensional compatibility concerns?

A: Minor dimensional differences exist (length 3.10mm vs 3.20mm, height 0.65mm vs 0.70mm). Both components use standard 1206 package footprints. Verify PCB layout clearances for height-sensitive applications.

Q: What tolerance level do these resistors maintain?

A: Both components maintain ±0.05% tolerance, suitable for precision analog circuits and measurement applications requiring high accuracy.

Q: Are moisture sensitivity considerations relevant?

A: Both components have MSL 1 (Unlimited) rating, indicating no moisture sensitivity restrictions during storage or handling.

Q: Can these parts be used interchangeably in high-temperature applications?

A: Yes. Both components operate across -55°C to 155°C with ±10ppm/°C temperature coefficient, maintaining specified tolerance across the full operating range.

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