CSR1206FKR150 Equivalent & Substitute Parts

Part Overview

The CSR1206FKR150 is a 150 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 status and ROHS3 compliant, making it suitable for modern electronic assemblies. Substitute parts are identified when equivalent electrical specifications and mechanical compatibility are maintained across the same package class and performance parameters.

Substiute Parts

CSR1206FKR150

Stackpole Electronics IncIn Stock: 1058CSR1206FKR150 Datasheet

Current PartRFQ

CRM1206-FX-R150ELF

Bourns Inc.In Stock: 17812CRM1206-FX-R150ELF Datasheet

DirectRFQ

RCWE1206R150FKEA

Vishay DaleIn Stock: 13903RCWE1206R150FKEA Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the CSR1206FKR150 are qualified based on the following criteria:

Electrical Parameters (Must Match):

• Resistance value: 150 mOhms
• Tolerance: ±1%
• Power rating: 0.5W (1/2W)
• Temperature coefficient: ±100ppm/°C
• Operating temperature range: -55°C to 155°C

Mechanical Parameters (Must Match):

• Package type: 1206 (3216 Metric)
• Number of terminations: 2
• Composition: Thick Film
• Feature classification: Current Sense

Compliance Parameters (Must Match):

• RoHS Status: ROHS3 Compliant
• Moisture Sensitivity Level: 1 (Unlimited)

Two substitute parts meet these criteria: CRM1206-FX-R150ELF from Bourns Inc. and RCWE1206R150FKEA from Vishay Dale. Both maintain identical electrical and mechanical specifications while offering alternative sourcing options.

Parameter Comparison

Engineering Selection Recommendations

All three parts maintain Active product status and full ROHS3 compliance, ensuring long-term availability and regulatory conformance. The CSR1206FKR150 and CRM1206-FX-R150ELF are functionally equivalent with no differentiation in electrical or mechanical specifications.

The RCWE1206R150FKEA from Vishay Dale includes additional qualifications: AEC-Q200 automotive rating and moisture-resistant construction. This part is suitable for applications requiring automotive-grade reliability or enhanced environmental protection, while maintaining identical core electrical parameters.

Selection between these parts should be based on supply chain availability, lead time requirements, and application-specific compliance needs. All three parts are interchangeable at the circuit level when electrical and thermal specifications are the primary design constraints.

Frequently Asked Questions (FAQ)

Q: Can RCWE1206R150FKEA replace CSR1206FKR150 in non-automotive applications?

A: Yes. The RCWE1206R150FKEA meets or exceeds all electrical and mechanical specifications of the CSR1206FKR150. The additional AEC-Q200 qualification and moisture-resistant features do not create incompatibility in standard industrial or consumer applications.

Q: Are there dimensional differences between these parts?

A: Minor dimensional variations exist within acceptable tolerances. CSR1206FKR150 has a maximum seated height of 0.026" (0.65mm), while CRM1206-FX-R150ELF and RCWE1206R150FKEA are specified at 0.026" (0.65mm) and 0.028" (0.70mm) respectively. These variations remain within standard 1206 package specifications and do not affect PCB assembly or thermal performance.

Q: Do all three parts have identical moisture sensitivity ratings?

A: Yes. All three parts carry MSL 1 (Unlimited) rating, indicating no moisture sensitivity concerns during storage or handling.

Q: What is the primary reason to substitute these parts?

A: Substitution is driven by supply chain availability and lead time optimization. All three parts are electrically and mechanically equivalent for current sense applications requiring 150 mOhms ±1% at 0.5W in 1206 package format.