OX392K Equivalent & Substitute Parts

Part Overview

The OX392K is a 3.9 kOhms ±10% 1W through-hole resistor manufactured by Ohmite in the OX series. This axial ceramic composition resistor features moisture resistance and pulse withstanding capabilities, with an operating temperature range of -40°C to 220°C. The OX392K is classified as obsolete, making identification of suitable substitute components necessary for ongoing design support and production continuity.

Substiute Parts

OX392K

OhmiteIn Stock: 974OX392K Datasheet

Current PartRFQ

OX392KE

OhmiteIn Stock: 1541OX392KE Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the OX392K is determined by strict equivalence across the following critical parameters:

• Resistance Value: 3.9 kOhms (exact match required)
• Tolerance: ±10% (exact match required)
• Power Rating: 1W (exact match required)
• Composition: Ceramic (exact match required)
• Package Type: Axial (exact match required)
• Physical Dimensions: 0.217" Dia x 0.650" L (exact match required)
• Operating Temperature Range: -40°C ~ 220°C (exact match required)
• Features: Moisture Resistant, Pulse Withstanding (exact match required)

The OX392KE meets all substitution criteria as a direct equivalent component manufactured by Ohmite in the same OX series.

Parameter Comparison

Engineering Selection Recommendations

The OX392KE is the direct substitute for the obsolete OX392K. Both components are manufactured by Ohmite and share identical electrical and mechanical specifications across all critical parameters. The primary distinction is product status and regulatory compliance: the OX392K is obsolete and RoHS non-compliant, while the OX392KE is active and ROHS3 compliant. For new designs and production continuity, the OX392KE is the appropriate selection. Both components maintain REACH Unaffected status and EAR99 export classification.

Frequently Asked Questions (FAQ)

Q: Can the OX392KE be used as a direct replacement for the OX392K?

A: Yes. The OX392KE is electrically and mechanically identical to the OX392K across all specified parameters, including resistance value, tolerance, power rating, composition, package type, physical dimensions, operating temperature range, and features.

Q: What is the primary reason to transition from OX392K to OX392KE?

A: The OX392K is classified as obsolete. The OX392KE is an active product from the same manufacturer and series, ensuring ongoing availability and supply chain continuity. Additionally, the OX392KE is ROHS3 compliant, whereas the OX392K is RoHS non-compliant.

Q: Are there any differences in physical dimensions between these parts?

A: No. Both the OX392K and OX392KE have identical dimensions of 0.217" Dia x 0.650" L (5.50mm x 16.50mm), ensuring compatibility with existing PCB layouts and mechanical assemblies.

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

A: Yes. Both components operate across the identical temperature range of -40°C to 220°C with the same temperature coefficient of -1000 / -1600 ppm/°C.

Q: Are there any compliance or certification differences?

A: The OX392KE is ROHS3 compliant, while the OX392K is RoHS non-compliant. Both maintain REACH Unaffected status and EAR99 export classification.