HC5-1R8-R Equivalent & Substitute Parts

Part Overview

The HC5-1R8-R is a 1.8 µH shielded wirewound inductor manufactured by Eaton - Electronics Division in surface mount nonstandard package. This component is classified as obsolete product status. Due to obsolescence, identification of functionally equivalent substitute parts is necessary to maintain design continuity and ensure component availability for production and repair applications.

Substiute Parts

HC5-1R8-R

Eaton - Electronics DivisionIn Stock: 889HC5-1R8-R Datasheet

Current PartRFQ

HCF1305-1R8-R

Eaton - Electronics DivisionIn Stock: 4141HCF1305-1R8-R Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the HC5-1R8-R is based on the following critical parameters:

Primary Matching Criteria:

• Inductance value: 1.8 µH
• Inductance tolerance: ±20%
• Mounting type: Surface Mount
• Physical footprint: 12.50mm x 12.50mm
• Inductance test frequency: 100 kHz

Secondary Considerations:

• Operating temperature range compatibility
• Package form factor and height constraints
• Manufacturer availability and product status

The HCF1305-1R8-R satisfies the primary inductance and dimensional requirements. However, this substitute introduces a design trade-off: it is an unshielded drum core inductor compared to the shielded construction of the original HC5-1R8-R. This substitution is valid only when electromagnetic shielding is not a critical design requirement.

Parameter Comparison

Engineering Selection Recommendations

HC5-1R8-R Selection Criteria: The HC5-1R8-R remains the appropriate choice when shielded inductor performance is required. Current inventory of 793 pieces is available. However, product obsolescence status indicates this component will not receive future manufacturing support.

HCF1305-1R8-R Selection Criteria: The HCF1305-1R8-R is the active product alternative from Eaton - Electronics Division. This substitute is suitable when:

• Electromagnetic shielding is not a design requirement
• Extended operating temperature range (-40°C minimum) is beneficial
• Higher current rating (16.3 A) and specified DC resistance (3.1mOhm Max) meet application needs
• RoHS compliance is required
• Long-term component availability is prioritized

The HCF1305-1R8-R maintains identical inductance value, tolerance, footprint dimensions, and test frequency. Height difference is 0.012" (0.30mm), which is negligible for most PCB assembly applications. Active product status ensures continued availability and manufacturing support.

Frequently Asked Questions (FAQ)

Q: Can HCF1305-1R8-R directly replace HC5-1R8-R in all applications?

A: Direct replacement is possible only when electromagnetic shielding is not a critical design parameter. Both inductors share identical inductance (1.8 µH), tolerance (±20%), footprint (12.50mm x 12.50mm), and test frequency (100 kHz). The primary difference is shielding construction: HC5-1R8-R is shielded; HCF1305-1R8-R is unshielded. Applications sensitive to radiated or conducted EMI may require shielded construction.

Q: What are the physical compatibility considerations?

A: Both parts use identical footprint dimensions (0.492" L x 0.492" W / 12.50mm x 12.50mm). Height difference is minimal: HC5-1R8-R seated height is 0.209" (5.30mm); HCF1305-1R8-R seated height is 0.197" (5.00mm). This 0.012" (0.30mm) difference does not affect PCB layout or assembly clearance in standard applications.

Q: Why is HCF1305-1R8-R classified as a substitute rather than an equivalent?

A: The HCF1305-1R8-R differs in shielding construction (unshielded versus shielded) and core material (ferrite drum core versus standard wirewound). These differences affect electromagnetic performance characteristics. Substitution is valid only when design specifications do not mandate shielded performance.

Q: What compliance advantages does HCF1305-1R8-R provide?

A: The HCF1305-1R8-R is RoHS compliant and REACH unaffected. The HC5-1R8-R compliance status is not specified. For applications requiring regulatory compliance documentation, HCF1305-1R8-R provides certified compliance status.

Q: Is the extended temperature range of HCF1305-1R8-R (-40°C ~ 125°C) significant?

A: The HCF1305-1R8-R operating temperature range extends to -40°C minimum compared to HC5-1R8-R at -25°C minimum. This provides 15°C additional low-temperature margin. Selection depends on application environment requirements.

Q: What is the significance of the current rating difference?

A: The HCF1305-1R8-R specifies 16.3 A current rating and 3.1mOhm maximum DC resistance. The HC5-1R8-R does not provide these specifications. If the application requires current handling capability verification, HCF1305-1R8-R provides documented electrical performance parameters.