CRL1206-FW-R390ELF Equivalent & Substitute Parts

Part Overview

The CRL1206-FW-R390ELF is a 390 mOhms ±1% thick film chip resistor manufactured by Bourns Inc. in the 1206 (3216 Metric) package format. This component is rated for 0.5W power dissipation and operates across the temperature range of -55°C to 125°C. The part maintains Active product status with full RoHS3 compliance and unlimited moisture sensitivity rating (MSL 1). Substitute parts are identified when equivalent electrical specifications, mechanical dimensions, and compliance certifications align with the original component's functional requirements.

Substiute Parts

CRL1206-FW-R390ELF
Bourns Inc.In Stock: 4465CRL1206-FW-R390ELF Datasheet
CRL1206-FW-R390ELF
Current Part
RLP73K2BR39FTDF
TE Connectivity Passive ProductIn Stock: 1401RLP73K2BR39FTDF Datasheet
RLP73K2BR39FTDF
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Key Parameters

Parameter Value
Resistance 390 mOhms
Tolerance ±1%
Power Rating 0.5W (1/2W)
Package 1206 (3216 Metric)
Composition Thick Film
Temperature Coefficient ±200ppm/°C
Operating Temperature Range -55°C to 125°C
Terminations 2
RoHS Status ROHS3 Compliant
MSL Rating 1 (Unlimited)

Substitute Part Grouping Explanation

Substitution eligibility for the CRL1206-FW-R390ELF is determined by the following criteria:

  • Resistance value: 390 mOhms
  • Tolerance: ±1%
  • Power rating: 0.5W minimum
  • Package format: 1206 (3216 Metric)
  • Composition: Thick film
  • Temperature coefficient: ±200ppm/°C
  • RoHS3 compliance
  • MSL rating: 1 or better

The substitute part RLP73K2BR39FTDF manufactured by TE Connectivity Passive Product meets all electrical and mechanical requirements. Both components share identical resistance, tolerance, power rating, package designation, and composition specifications. Compliance certifications (RoHS3, REACH Unaffected, EAR99) are equivalent across both parts.

Parameter Comparison

Parameter CRL1206-FW-R390ELF (Bourns) RLP73K2BR39FTDF (TE Connectivity)
Resistance 390 mOhms 390 mOhms
Tolerance ±1% ±1%
Power Rating 0.5W 0.5W
Package 1206 (3216 Metric) 1206 (3216 Metric)
Composition Thick Film Thick Film (Current Sense)
Temperature Coefficient ±200ppm/°C ±200ppm/°C
Operating Temperature Range -55°C to 125°C -55°C to 155°C
Length 0.126" (3.20mm) 0.122" (3.10mm)
Width 0.063" (1.60mm) 0.061" (1.55mm)
Height (Max) 0.028" (0.70mm) 0.026" (0.65mm)
RoHS Status ROHS3 Compliant ROHS3 Compliant
MSL Rating 1 (Unlimited) 1 (Unlimited)
Product Status Active Active

Engineering Selection Recommendations

Both the CRL1206-FW-R390ELF and RLP73K2BR39FTDF maintain Active product status with full regulatory compliance. The RLP73K2BR39FTDF offers an extended operating temperature range to 155°C compared to the original part's 125°C maximum, providing additional thermal margin in high-temperature applications. Dimensional variations are within typical manufacturing tolerances for the 1206 package class. Both components carry identical RoHS3 and REACH certifications, ensuring compliance with current environmental regulations. Selection between these parts depends on application-specific thermal requirements and supplier availability.

Frequently Asked Questions (FAQ)

Q: Can RLP73K2BR39FTDF replace CRL1206-FW-R390ELF in all applications?

A: Yes, provided the application does not require operation below -55°C or above 125°C. The substitute part supports operation to 155°C, making it suitable for higher-temperature environments.

Q: Are there dimensional compatibility concerns?

A: The RLP73K2BR39FTDF exhibits slightly smaller dimensions (0.122" × 0.061" vs. 0.126" × 0.063"). Both parts conform to the 1206 (3216 Metric) package standard and are mechanically compatible with standard PCB footprints designed for this package class.

Q: Do both parts have identical electrical performance?

A: Both components share identical resistance (390 mOhms), tolerance (±1%), power rating (0.5W), and temperature coefficient (±200ppm/°C). Electrical performance is equivalent for standard circuit applications.

Q: What is the significance of "Current Sense" designation on the substitute part?

A: The RLP73K2BR39FTDF is optimized for current sensing applications. This designation indicates the part's suitability for precision current measurement circuits while maintaining the same electrical specifications as the original part.

Q: Are compliance certifications equivalent?

A: Both parts carry ROHS3 compliance, REACH Unaffected status, and EAR99 classification. Regulatory compliance is equivalent across both components.

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