RHS3R0 Equivalent & Substitute Parts

Part Overview

The RHS3R0 is a 3 Ohm, 25W wirewound linear potentiometer manufactured by Ohmite, designed for panel mount applications with solder lug termination. This component is classified as Active product status and is currently in stock. Identifying equivalent and substitute parts is necessary to ensure design flexibility, manage supply chain continuity, and accommodate different packaging or compliance requirements while maintaining identical electrical and mechanical performance.

Substiute Parts

RHS3R0
OhmiteIn Stock: 865RHS3R0 Datasheet
RHS3R0
Current Part
RHS3R0E
OhmiteIn Stock: 972RHS3R0E Datasheet
RHS3R0E
Direct

Key Parameters

Parameter Value
Resistance 3 Ohms
Power Rating 25W
Taper Linear
Number of Turns 1.0
Resistive Material Wirewound
Termination Style Solder Lug
Mounting Type Panel Mount
Rotation 300°
Bushing Thread 3/8-32
Body Size Round - 1.560" Dia (39.62mm)
Actuator Type Flatted
Actuator Length 0.750" (19.05mm)
Actuator Diameter 0.250" (6.35mm)
Tolerance ±10%

Substitute Part Grouping Explanation

Substitute parts for the RHS3R0 are identified based on strict equivalence across all critical electrical and mechanical parameters. The substitution logic is based on the following key criteria:

  • Identical resistance value: 3 Ohms
  • Identical power rating: 25W
  • Identical taper characteristic: Linear
  • Identical number of turns: 1.0
  • Identical resistive material: Wirewound
  • Identical termination style: Solder Lug
  • Identical mounting configuration: Panel Mount
  • Identical mechanical dimensions: Body diameter, actuator specifications, and bushing thread
  • Identical rotation angle: 300°
  • Identical tolerance: ±10%

The RHS3R0E is classified as a direct substitute because it maintains complete electrical and mechanical equivalence while differing only in packaging format (Bulk vs. standard packaging) and compliance certifications.

Parameter Comparison

Parameter RHS3R0 RHS3R0E Match
Manufacturer Ohmite Ohmite Yes
Resistance (Ohms) 3 3 Yes
Tolerance ±10% ±10% Yes
Power (Watts) 25W 25W Yes
Number of Turns 1 1 Yes
Taper Linear Linear Yes
Number of Gangs 1 1 Yes
Rotation 300° 300° Yes
Resistive Material Wirewound Wirewound Yes
Termination Style Solder Lug Solder Lug Yes
Actuator Type Flatted Flatted Yes
Actuator Length 0.750" (19.05mm) 0.750" (19.05mm) Yes
Actuator Diameter 0.250" (6.35mm) 0.250" (6.35mm) Yes
Bushing Thread 3/8-32 3/8-32 Yes
Mounting Type Panel Mount Panel Mount Yes
Size - Body Round - 1.560" Dia (39.62mm) Round - 1.560" Dia (39.62mm) Yes
Product Status Active Active Yes
Packaging Standard Bulk Different
RoHS Status RoHS non-compliant ROHS3 Compliant Different

Engineering Selection Recommendations

The RHS3R0E is a direct electrical and mechanical equivalent to the RHS3R0. Selection between these parts should be based on the following criteria:

RHS3R0: Select this part number when standard packaging is required and RoHS non-compliant components are acceptable for the application.

RHS3R0E: Select this part number when ROHS3 compliance is mandated by design specifications, regulatory requirements, or customer requirements. This variant is also suitable when bulk packaging is preferred for high-volume production runs. The RHS3R0E maintains complete functional equivalence while providing enhanced environmental compliance.

Both parts are Active status components with confirmed inventory availability. The choice between them does not affect circuit performance, mechanical fit, or electrical characteristics.

Frequently Asked Questions (FAQ)

Q: Can RHS3R0E be used as a direct replacement for RHS3R0 in existing designs?

A: Yes. The RHS3R0E is electrically and mechanically identical to the RHS3R0. All electrical parameters, mechanical dimensions, and functional characteristics are equivalent. The only differences are packaging format and RoHS compliance status.

Q: What is the difference between the packaging formats?

A: RHS3R0 uses standard packaging, while RHS3R0E uses bulk packaging. Both contain the same component with identical specifications. Bulk packaging is typically used for high-volume orders and may offer cost advantages.

Q: Does RoHS compliance affect component performance?

A: No. ROHS3 compliance is a manufacturing and material standard that does not alter electrical performance, power rating, resistance value, or mechanical characteristics. The RHS3R0E performs identically to the RHS3R0 in all electrical and thermal aspects.

Q: Are there any compatibility issues when switching between RHS3R0 and RHS3R0E?

A: No compatibility issues exist. Both parts have identical solder lug termination, panel mount configuration, bushing thread specifications, and actuator dimensions. They are mechanically and electrically interchangeable.

Q: Which part should be selected for new designs?

A: For new designs, RHS3R0E is recommended when regulatory or customer requirements mandate RoHS compliance. For applications without RoHS requirements, either part is suitable based on packaging and supply chain preferences.

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