Ohmite 93J40R Equivalent & Substitute Parts

Part Overview

The Ohmite 93J40R is a 40 Ohm, 3.25W axial wirewound resistor with ±5% tolerance and flame retardant coating. This component is classified as Active product status and is designed for through-hole applications requiring reliable power dissipation in industrial and electronic equipment. Substitute parts are identified when equivalent electrical and mechanical parameters are required due to inventory constraints, supply chain considerations, or specific compliance requirements.

Substiute Parts

93J40R

OhmiteIn Stock: 106693J40R Datasheet

Current PartRFQ

93J40RE

OhmiteIn Stock: 126893J40RE Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the 93J40R are identified based on strict electrical and mechanical parameter matching. The following criteria determine substitution eligibility:

• Resistance value: 40 Ohms (exact match required)
• Tolerance: ±5% (exact match required)
• Power rating: 3.25W (exact match required)
• Composition: Wirewound (exact match required)
• Package type: Axial (exact match required)
• Temperature coefficient: ±30ppm/°C (exact match required)
• Physical dimensions: 0.233" Dia x 0.579" L (exact match required)
• Features: Flame retardant coating and safety characteristics (exact match required)

The 93J40RE meets all these criteria and is classified as a parametric equivalent.

Parameter Comparison

Engineering Selection Recommendations

Both the 93J40R and 93J40RE are Active status components manufactured by Ohmite with identical electrical and mechanical specifications. Selection between these parts should be based on compliance requirements:

The 93J40RE offers ROHS3 compliance, making it suitable for applications subject to RoHS3 regulatory requirements. The 93J40R is RoHS non-compliant and should be selected only when RoHS compliance is not a design constraint.

Both parts are suitable for direct substitution in through-hole circuit board applications requiring 40 Ohm, 3.25W axial wirewound resistors with flame retardant coating.

Frequently Asked Questions (FAQ)

Q: Can the 93J40RE be used as a direct replacement for the 93J40R?

A: Yes. Both parts share identical electrical parameters (40 Ohms, ±5%, 3.25W), composition (wirewound), temperature coefficient (±30ppm/°C), and physical dimensions (0.233" Dia x 0.579" L). The primary difference is RoHS compliance status.

Q: What is the difference in packaging between these parts?

A: The 93J40R packaging designation is not specified in the data. The 93J40RE is supplied in Bulk packaging. Both parts use the same Axial package type and physical dimensions.

Q: Which part should I select for RoHS-compliant applications?

A: The 93J40RE is ROHS3 Compliant and should be selected for applications requiring RoHS compliance. The 93J40R is RoHS non-compliant.

Q: Are the physical dimensions identical?

A: Yes. Both parts measure 0.233" Dia x 0.579" L (5.90mm x 14.70mm) and will fit the same PCB footprint and through-hole spacing.

Q: What is the temperature coefficient specification?

A: Both parts have a temperature coefficient of ±30ppm/°C, indicating stable resistance performance across the operating temperature range.