OY471K Equivalent & Substitute Parts

Part Overview

The OY471K is a 470 Ohms ±10% 2W through-hole resistor with axial leads, manufactured by Ohmite. This ceramic composition resistor features moisture-resistant and pulse-withstanding characteristics, designed for applications requiring reliable performance across a wide operating temperature range of -40°C to 220°C. The OY471K is currently classified as obsolete, making identification of suitable substitute components essential for ongoing design support and production continuity.

Substiute Parts

OY471K

OhmiteIn Stock: 793OY471K Datasheet

Current PartRFQ

OY471KE

OhmiteIn Stock: 4649OY471KE Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the OY471K is determined by strict equivalence across all critical electrical and mechanical parameters. The substitute must maintain identical resistance value (470 Ohms), tolerance (±10%), power rating (2W), ceramic composition, axial package configuration, and physical dimensions (0.276" Dia x 0.748" L). Additionally, the substitute must support the same operating temperature range (-40°C to 220°C) and temperature coefficient specifications (-1000/-1600 ppm/°C). The substitute part OY471KE meets all these criteria while offering improved product status and compliance certifications.

Parameter Comparison

Engineering Selection Recommendations

The OY471KE is the direct equivalent substitute for the obsolete OY471K. Both components are manufactured by Ohmite and share identical electrical specifications and physical dimensions. The OY471KE offers the advantage of active product status, ensuring continued availability and manufacturing support. Additionally, the OY471KE achieves ROHS3 compliance, whereas the OY471K is RoHS non-compliant. For new designs or production requiring compliance with current regulatory standards, the OY471KE is the appropriate selection. Both components maintain REACH Unaffected status and EAR99 ECCN classification.

Frequently Asked Questions (FAQ)

Q: Can OY471KE be used as a direct replacement for OY471K in existing designs?

A: Yes. The OY471KE is electrically and mechanically identical to the OY471K across all specified parameters, including resistance value, tolerance, power rating, package type, and physical dimensions. Direct substitution is supported without circuit modification.

Q: What is the primary reason to transition from OY471K to OY471KE?

A: The OY471K is classified as obsolete, limiting future availability and manufacturing support. The OY471KE maintains active product status with improved regulatory compliance (ROHS3), ensuring long-term supply chain reliability.

Q: Are there any differences in thermal performance between OY471K and OY471KE?

A: No. Both components share identical operating temperature range (-40°C to 220°C) and temperature coefficient specifications (-1000/-1600 ppm/°C).

Q: Does the packaging format differ between these parts?

A: The OY471K packaging designation is unspecified in available data. The OY471KE is supplied in bulk packaging. Both maintain identical axial lead configuration and physical dimensions suitable for through-hole PCB assembly.

Q: Are compliance certifications relevant to component selection?

A: Yes. The OY471KE achieves ROHS3 compliance, making it suitable for applications subject to RoHS directives. The OY471K is RoHS non-compliant. Selection depends on regulatory requirements applicable to the end application.