CRL1206-FW-R091ELF Equivalent & Substitute Parts

Part Overview

The CRL1206-FW-R091ELF is a 91 milliohm, ±1% tolerance, 0.5W thick film chip resistor in 1206 (3216 Metric) package manufactured by Bourns Inc. This component is classified as obsolete product status. Identification of equivalent and substitute parts is necessary to maintain design continuity, ensure supply chain availability, and support ongoing production requirements for applications utilizing this resistor specification.

Substiute Parts

CRL1206-FW-R091ELF

Bourns Inc.In Stock: 1104CRL1206-FW-R091ELF Datasheet

Current PartRFQ

CRM1206-FX-R091ELF

Bourns Inc.In Stock: 813CRM1206-FX-R091ELF Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the CRL1206-FW-R091ELF is determined by the following critical parameters:

Electrical Parameters: Resistance value (91 mOhms), tolerance (±1%), and power rating (0.5W) must remain constant across all substitute parts to maintain circuit performance and thermal characteristics.

Mechanical Parameters: Package type (1206/3216 Metric), physical dimensions, and termination count (2) must be identical to ensure PCB compatibility and assembly process alignment.

Environmental Parameters: Operating temperature range and moisture sensitivity level establish the functional envelope for the application environment.

Compliance Parameters: RoHS3 compliance and REACH status ensure regulatory alignment with current manufacturing and distribution requirements.

The CRM1206-FX-R091ELF qualifies as a direct substitute based on matching electrical specifications, identical package configuration, and equivalent environmental ratings, despite differences in temperature coefficient and extended operating temperature range.

Parameter Comparison

Engineering Selection Recommendations

The CRM1206-FX-R091ELF is a direct substitute for the obsolete CRL1206-FW-R091ELF. Both components are manufactured by Bourns Inc. and share identical electrical specifications (91 mOhms, ±1% tolerance, 0.5W power rating) and package configuration (1206/3216 Metric).

The substitute part offers the following advantages: active product status ensuring continued availability, extended operating temperature range (-55°C to 155°C versus -55°C to 125°C), and improved temperature coefficient (±100ppm/°C versus ±200ppm/°C). Both parts maintain ROHS3 compliance and unlimited moisture sensitivity rating.

Physical dimensions differ marginally (length 3.10mm versus 3.20mm; height 0.65mm versus 0.70mm), remaining within standard PCB layout tolerances for 1206 package footprints. These dimensional variations do not impact assembly compatibility or circuit performance.

Frequently Asked Questions (FAQ)

Q: Can the CRM1206-FX-R091ELF be used as a direct replacement for the CRL1206-FW-R091ELF?

A: Yes. Both components share identical resistance value (91 mOhms), tolerance (±1%), power rating (0.5W), package type (1206), and composition (thick film). Electrical and mechanical compatibility is confirmed.

Q: What is the primary reason for substitution?

A: The CRL1206-FW-R091ELF is classified as obsolete. The CRM1206-FX-R091ELF is an active product from the same manufacturer with equivalent specifications, ensuring supply chain continuity.

Q: Are there dimensional differences between these parts?

A: Minor dimensional variations exist. The CRM1206-FX-R091ELF measures 3.10mm length and 0.65mm height, compared to 3.20mm length and 0.70mm height for the CRL1206-FW-R091ELF. Both conform to 1206 package standards and are compatible with standard PCB footprints.

Q: How do the temperature coefficients differ?

A: The CRL1206-FW-R091ELF has a temperature coefficient of ±200ppm/°C, while the CRM1206-FX-R091ELF has ±100ppm/°C. The substitute exhibits superior temperature stability across the operating range.

Q: What is the extended temperature capability of the substitute part?

A: The CRM1206-FX-R091ELF operates from -55°C to 155°C, compared to -55°C to 125°C for the main part. This extended upper temperature limit provides additional thermal margin in high-temperature applications.

Q: Are both parts RoHS compliant?

A: Yes. Both the CRL1206-FW-R091ELF and CRM1206-FX-R091ELF are ROHS3 compliant and REACH unaffected, meeting current regulatory requirements.

Q: What is the moisture sensitivity rating for both parts?

A: Both components have Moisture Sensitivity Level 1 (Unlimited), indicating no moisture sensitivity restrictions for storage, handling, or assembly processes.