RES75R Equivalent & Substitute Parts

Part Overview

The RES75R is a 75 Ohm wirewound potentiometer manufactured by Ohmite, designed for panel mount applications requiring linear adjustment with 12.5W power handling capability. This component is classified as Active product status with full inventory availability. Substitute parts are identified when equivalent electrical specifications and mechanical compatibility parameters are maintained across the same product series.

Substiute Parts

RES75R

OhmiteIn Stock: 1076RES75R Datasheet

Current PartRFQ

RES75RE

OhmiteIn Stock: 836RES75RE Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

The RES75RE qualifies as a direct substitute for the RES75R based on identical electrical and mechanical parameters. Substitution is valid when the following criteria are met:

• Resistance value: 75 Ohms
• Tolerance: ±10%
• Power rating: 12.5W
• Taper characteristic: Linear
• Number of gangs: 1
• Number of turns: 1
• Rotation angle: 300°
• Resistive material: Wirewound
• Termination: Solder Lug
• Mounting configuration: Panel Mount
• Bushing thread specification: 1/4-32
• Actuator specifications: Slotted type, 0.625" length, 0.125" diameter
• Series classification: E

Parameter Comparison

Engineering Selection Recommendations

Both RES75R and RES75RE maintain Active product status from Ohmite and are suitable for direct substitution in applications requiring 75 Ohm wirewound potentiometers with 12.5W power handling. The RES75RE carries RoHS Compliant certification with Moisture Sensitivity Level 1 (Unlimited), while the RES75R is RoHS non-compliant. Selection between these parts should be based on regulatory compliance requirements of the end application. Both components are classified under ECCN EAR99 and carry REACH status as specified by their respective certifications.

Frequently Asked Questions (FAQ)

Q: Can RES75RE replace RES75R in existing designs? A: Yes. Both parts share identical electrical specifications (75 Ohms, ±10% tolerance, 12.5W), mechanical dimensions, and mounting configuration. Direct substitution is valid from an engineering standpoint.

Q: What is the difference between RES75R and RES75RE? A: The primary differences are packaging format (RES75R uses standard packaging; RES75RE uses Bulk packaging) and regulatory compliance status. RES75RE is RoHS Compliant with defined Moisture Sensitivity Level 1, while RES75R is RoHS non-compliant.

Q: Are there packaging considerations for substitution? A: RES75R is supplied in standard packaging, while RES75RE is supplied in Bulk packaging. Verify that bulk packaging meets your procurement and handling requirements before substitution.

Q: Do both parts have the same mechanical footprint? A: Yes. Both components feature identical panel mount configuration with 1/4-32 bushing thread, 0.625" actuator length, and 0.125" actuator diameter.

Q: Which part should be selected for new designs? A: Selection depends on regulatory compliance requirements. For applications requiring RoHS compliance, RES75RE is the appropriate choice. For applications without RoHS requirements, either part is functionally equivalent.