CSR1206FTR390 Equivalent & Substitute Parts

Part Overview

The CSR1206FTR390 is a 390 mOhms ±1% 0.5W thick film chip resistor in 1206 (3216 Metric) package manufactured by Stackpole Electronics Inc. This current sense resistor is designed for precision low-resistance applications requiring tight tolerance and stable performance across industrial temperature ranges. The part is active in production with ROHS3 compliance and unlimited moisture sensitivity rating. Substitute parts are identified to provide alternative sourcing options while maintaining electrical and mechanical compatibility for circuit applications.

Substiute Parts

CSR1206FTR390

Stackpole Electronics IncIn Stock: 787CSR1206FTR390 Datasheet

Current PartRFQ

RCWE1206R390FKEA

Vishay DaleIn Stock: 12372RCWE1206R390FKEA Datasheet

UpgradeRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the CSR1206FTR390 is determined by the following critical parameters:

• Resistance value: 390 mOhms
• Tolerance: ±1%
• Power rating: 0.5W minimum
• Package type: 1206 (3216 Metric)
• Composition: Thick film
• Temperature coefficient: ±100ppm/°C
• Operating temperature range: -55°C to 155°C minimum
• Termination count: 2
• RoHS compliance: ROHS3 or equivalent

The RCWE1206R390FKEA from Vishay Dale meets all electrical and mechanical requirements for direct substitution. Both parts share identical resistance, tolerance, power rating, package dimensions, and thermal characteristics. The substitute part includes additional automotive AEC-Q200 qualification and moisture-resistant features, providing enhanced reliability for demanding applications.

Parameter Comparison

Engineering Selection Recommendations

Both the CSR1206FTR390 and RCWE1206R390FKEA are active production parts with ROHS3 compliance and identical electrical specifications. The Stackpole CSR1206FTR390 is suitable for general industrial current sensing applications. The Vishay Dale RCWE1206R390FKEA provides equivalent performance with additional AEC-Q200 automotive qualification and moisture-resistant features, making it appropriate for automotive and high-reliability environments where enhanced qualification is required. Selection between these parts should be based on application requirements, supply chain availability, and any specific automotive or reliability certifications mandated by the end application.

Frequently Asked Questions (FAQ)

Q: Can RCWE1206R390FKEA replace CSR1206FTR390 in existing designs?

A: Yes. Both parts share identical electrical parameters (390 mOhms ±1%, 0.5W, ±100ppm/°C) and package dimensions within tolerance. The substitute part has slightly larger maximum dimensions (0.122" x 0.063" vs 0.120" x 0.061") and height (0.028" vs 0.026"), which remain within standard 1206 package specifications and do not affect PCB layout compatibility.

Q: What is the difference between these two parts?

A: The primary differences are manufacturer and additional certifications. The Vishay Dale RCWE1206R390FKEA includes AEC-Q200 automotive qualification and moisture-resistant features not specified for the Stackpole CSR1206FTR390. Electrical and thermal performance are identical.

Q: Are there any temperature or tolerance differences?

A: No. Both parts operate across -55°C to 155°C with ±1% tolerance and ±100ppm/°C temperature coefficient. They are electrically equivalent for all specified parameters.

Q: Which part should be selected for automotive applications?

A: The RCWE1206R390FKEA is qualified to AEC-Q200 automotive standards and includes moisture-resistant features, making it the appropriate choice for automotive circuit designs.

Q: Are both parts RoHS compliant?

A: Yes. Both CSR1206FTR390 and RCWE1206R390FKEA are ROHS3 compliant with MSL 1 (Unlimited) moisture sensitivity rating.