OY273K Equivalent & Substitute Parts

Part Overview

The OY273K is a 27 kOhms ±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 OY273K is classified as obsolete, making identification of active equivalent parts essential for ongoing procurement and design continuity.

Substiute Parts

OY273K

OhmiteIn Stock: 1191OY273K Datasheet

Current PartRFQ

OY273KE

OhmiteIn Stock: 959OY273KE Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the OY273K is determined by strict equivalence across the following critical parameters:

• Resistance value: 27 kOhms
• Tolerance: ±10%
• Power rating: 2W
• Composition: Ceramic
• Package configuration: Axial with 2 terminations
• Physical dimensions: 0.276" Dia x 0.748" L (7.00mm x 19.00mm)
• Operating temperature range: -40°C to 220°C
• Temperature coefficient: -1000/-1600 ppm/°C
• Features: Moisture Resistant, Pulse Withstanding

The OY273KE is a direct substitute manufactured by Ohmite within the same OY series, maintaining identical electrical and mechanical specifications while offering active product status and improved compliance certifications.

Parameter Comparison

Engineering Selection Recommendations

The OY273KE is the direct equivalent for the obsolete OY273K. Both parts are manufactured by Ohmite and share identical electrical and mechanical specifications. The OY273KE offers the advantage of active product status, ensuring continued availability and supply chain reliability. Additionally, the OY273KE achieves ROHS3 compliance, whereas the OY273K is RoHS non-compliant. For new designs or component replenishment, the OY273KE is the appropriate selection. Both parts maintain REACH Unaffected status and EAR99 export classification.

Frequently Asked Questions (FAQ)

Q: Can the OY273KE be used as a direct replacement for the OY273K?

A: Yes. The OY273KE is a direct equivalent with identical resistance, tolerance, power rating, package type, and physical dimensions. Both parts are manufactured by Ohmite within the OY series.

Q: What is the primary reason to transition from OY273K to OY273KE?

A: The OY273K is classified as obsolete, while the OY273KE maintains active product status. The OY273KE also provides ROHS3 compliance, improving regulatory alignment for modern applications.

Q: Are the physical dimensions identical between OY273K and OY273KE?

A: Yes. Both parts measure 0.276" diameter by 0.748" length (7.00mm x 19.00mm), ensuring identical PCB footprint and mounting compatibility.

Q: Do both parts operate across the same temperature range?

A: Yes. Both the OY273K and OY273KE operate from -40°C to 220°C with identical temperature coefficients of -1000/-1600 ppm/°C.

Q: What packaging options are available?

A: The OY273K is supplied in standard packaging, while the OY273KE is available in bulk packaging. Both maintain the same axial lead configuration and electrical performance.