CF453215-1R8K Equivalent & Substitute Parts

Part Overview

The CF453215-1R8K is a 1.8 µH shielded multilayer inductor manufactured by Bourns Inc., rated for 390 mA with a maximum DC resistance of 650mOhm. This component is packaged in a 1812 (4532 Metric) surface mount form factor and operates across a temperature range of -55°C to 125°C. The part is currently listed as obsolete, making identification of suitable substitute components essential for ongoing design support and production continuity.

Substiute Parts

CF453215-1R8K

Bourns Inc.In Stock: 774CF453215-1R8K Datasheet

Current PartRFQ

CM453232-1R8KL

Bourns Inc.In Stock: 1720CM453232-1R8KL Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the CF453215-1R8K is determined by the following critical parameters:

• Inductance value: 1.8 µH with ±10% tolerance
• Current rating: 390 mA minimum
• DC resistance: 650mOhm maximum
• Package / Case: 1812 (4532 Metric) surface mount
• Mounting type: Surface mount
• Operating temperature range: Must support -55°C to 125°C minimum
• Regulatory compliance: ROHS3 compliant

The CM453232-1R8KL qualifies as a substitute based on matching inductance, current rating, DC resistance, package dimensions, and regulatory compliance. The primary difference is the core construction (unshielded drum core wirewound versus shielded multilayer) and operating temperature lower limit (-40°C versus -55°C).

Parameter Comparison

Engineering Selection Recommendations

The CM453232-1R8KL is an active product from Bourns Inc. and serves as a functional substitute for the obsolete CF453215-1R8K. Both components meet ROHS3 compliance and REACH unaffected status, ensuring regulatory alignment for new designs and production support.

The primary consideration for selection is the operating temperature lower limit. The CF453215-1R8K operates from -55°C, while the CM453232-1R8KL operates from -40°C. Applications requiring operation below -40°C must retain the original part specification or identify alternative sources. For applications within the -40°C to 125°C range, the CM453232-1R8KL provides equivalent electrical performance with the advantage of active product status and established supply chain availability.

Frequently Asked Questions (FAQ)

Q: Can the CM453232-1R8KL replace the CF453215-1R8K in all applications?

A: The CM453232-1R8KL matches all critical electrical parameters (inductance, current rating, DC resistance, Q factor, and self-resonant frequency) and package dimensions. The operating temperature lower limit differs: -40°C versus -55°C. Substitution is valid for applications operating within -40°C to 125°C. Applications requiring -55°C operation must use the original specification or alternative sources.

Q: What are the physical differences between these parts?

A: Both components use the 1812 (4532 Metric) package with identical length and width (0.177" x 0.126"). The seated height differs: CF453215-1R8K is 0.067" (1.70mm) maximum, while CM453232-1R8KL is 0.134" (3.40mm) maximum. The CF453215-1R8K uses shielded multilayer construction; the CM453232-1R8KL uses unshielded drum core wirewound construction.

Q: Are both parts RoHS and REACH compliant?

A: Yes. Both the CF453215-1R8K and CM453232-1R8KL are ROHS3 compliant and REACH unaffected, meeting current regulatory requirements for electronic component manufacturing and use.

Q: What is the packaging difference?

A: The CF453215-1R8K packaging is not specified in the provided data. The CM453232-1R8KL is supplied in Tape & Reel (TR) format. Confirm packaging requirements for your procurement process.

Q: Why is the CF453215-1R8K listed as obsolete?

A: The CF453215-1R8K is an obsolete product. The CM453232-1R8KL is an active Bourns product offering equivalent electrical specifications and is recommended for new designs and ongoing production support.