Pomona Electronics 1581-0 Banana Jack Connector Equivalent & Substitute Parts

Part Overview

The Pomona Electronics 1581-0 is a standard banana jack connector with turret termination, designed for panel mount applications requiring female banana jack connectivity. This connector is actively produced and maintains full RoHS3 compliance. Substitute parts may be required due to inventory constraints, regional availability, or specific application requirements where alternative termination methods or contact finishes provide equivalent functionality within the banana and tip connector category.

Substiute Parts

1581-0

Pomona ElectronicsIn Stock: 12051581-0 Datasheet

Current PartRFQ

108-2303-621

Cinch Connectivity Solutions JohnsonIn Stock: 3638108-2303-621 Datasheet

DirectRFQ

BU-00233-0

Mueller Electric CoIn Stock: 1397BU-00233-0 Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the 1581-0 is determined by the following critical parameters that must remain constant across all alternatives:

Core Compatibility Parameters:

• Type: Banana Jack (female gender)
• Plug/Mating Plug Diameter: Standard Banana
• Mounting Type: Panel Mount
• Insulation: Mating End Insulated
• Color: Black
• Contact Material: Brass

Allowable Variations:

• Termination method (Turret vs. Press-Fit)
• Contact finish (Tin vs. Silver)
• Body material composition
• Operating temperature range
• Compliance certifications

The substitute parts listed below maintain the core compatibility parameters while offering alternative termination or contact finish specifications suitable for equivalent banana jack applications.

Parameter Comparison

Engineering Selection Recommendations

1581-0 (Pomona Electronics): Primary selection for applications requiring turret termination with tin contact finish and maximum operating temperature of 115°C. RoHS3 compliant and actively produced.

108-2303-621 (Cinch Connectivity Solutions Johnson): Direct substitute with turret termination and identical mating interface. Features silver contact finish and polyamide body material. Operating temperature range is -55°C to 85°C, which is lower than the primary part. RoHS3 compliant. Suitable for applications where silver plating and nylon body material are acceptable and operating temperature does not exceed 85°C.

BU-00233-0 (Mueller Electric Co): Alternative substitute featuring press-fit termination instead of turret. Maintains standard banana jack compatibility and panel mount configuration. RoHS compliant. Press-fit termination requires different PCB pad design compared to turret termination. Suitable for applications where press-fit mounting is preferred or required.

Frequently Asked Questions (FAQ)

Q: Can 108-2303-621 replace 1581-0 in all applications? A: 108-2303-621 maintains core banana jack compatibility but operates at a maximum temperature of 85°C versus 115°C for the 1581-0. Substitution is valid only for applications where operating temperature does not exceed 85°C.

Q: What is the primary difference between turret and press-fit termination? A: Turret termination uses a solder lug for wire connection, while press-fit termination requires insertion into a PCB pad. These termination methods are not interchangeable without PCB redesign.

Q: Are all three parts suitable for the same PCB layout? A: 1581-0 and 108-2303-621 are directly interchangeable on the same PCB due to identical turret termination. BU-00233-0 requires different PCB pad design due to press-fit termination and is not a direct drop-in replacement.

Q: What is the significance of contact finish differences? A: Tin finish (1581-0) and silver finish (108-2303-621) both provide adequate electrical conductivity for banana jack applications. Silver offers superior corrosion resistance in high-humidity environments. Selection depends on application environment and cost considerations.

Q: Are all substitute parts RoHS compliant? A: Yes. 1581-0 and 108-2303-621 are RoHS3 compliant. BU-00233-0 is RoHS compliant. All three parts meet current RoHS requirements.

Q: What body material differences exist among these parts? A: 1581-0 uses polycarbonate (PC), 108-2303-621 uses polyamide (PA66/Nylon 6/6), and BU-00233-0 uses brass with nickel plating. All materials are suitable for panel mount banana jack applications.