OY270K Equivalent & Substitute Parts

Part Overview

The OY270K is a 27 Ohm, 2W axial through-hole resistor manufactured by Ohmite with ceramic composition and moisture-resistant, pulse-withstanding characteristics. This part is classified as obsolete, making identification of suitable substitutes essential for ongoing design support and component procurement. The OY270KE serves as the direct equivalent, offering identical electrical and mechanical specifications with active product status and improved compliance certifications.

Substiute Parts

OY270K

OhmiteIn Stock: 710OY270K Datasheet

Current PartRFQ

OY270KE

OhmiteIn Stock: 9934OY270KE Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

The OY270KE is a direct substitute for the OY270K based on strict electrical and mechanical parameter equivalence. Both parts share identical specifications across all critical selection criteria: 27 Ohm resistance value, ±10% tolerance, 2W power rating, ceramic composition, axial package configuration, and physical dimensions of 0.276" Dia x 0.748" L. The operating temperature range (-40°C to 220°C) and temperature coefficient (-1000/-1600 ppm/°C) are identical. Both components feature moisture-resistant and pulse-withstanding characteristics. The substitution is valid because all allowed electrical parameters, mechanical dimensions, and functional features match exactly between the main part and substitute.

Parameter Comparison

Engineering Selection Recommendations

The OY270KE is the appropriate substitute for the obsolete OY270K. Both parts are manufactured by Ohmite and maintain identical electrical and mechanical specifications. The OY270KE offers the advantage of active product status, ensuring continued availability and supply chain reliability. Additionally, the OY270KE achieves ROHS3 compliance, whereas the OY270K is RoHS non-compliant. For new designs or component replenishment, the OY270KE should be selected. Both parts maintain REACH Unaffected status and EAR99 export classification.

Frequently Asked Questions (FAQ)

Q: Can OY270KE replace OY270K in existing designs? A: Yes. The OY270KE is electrically and mechanically identical to the OY270K across all specified parameters, including resistance value, tolerance, power rating, package type, and physical dimensions.

Q: What is the primary reason to switch from OY270K to OY270KE? A: The OY270K is obsolete, while the OY270KE maintains active product status. The OY270KE also provides ROHS3 compliance, improving regulatory alignment for new applications.

Q: Are the physical dimensions identical? A: Yes. Both parts measure 0.276" Dia x 0.748" L (7.00mm x 19.00mm) and use axial package configuration, ensuring direct board-level compatibility.

Q: Do both parts operate across the same temperature range? A: Yes. Both the OY270K and OY270KE operate from -40°C to 220°C with identical temperature coefficients of -1000/-1600 ppm/°C.

Q: Are there packaging differences between these parts? A: The OY270K is available in standard packaging, while the OY270KE is supplied in bulk packaging. Both maintain identical component specifications.