Description
Compact Short Female 4mm Banana Plug Socket – Blue (B1)
Product Overview
The Model B1 Short Female 4mm Banana Plug Socket is an ultra-compact, low-profile chassis-mount jack designed for applications where internal enclosure depth is highly restricted. Matching the structural layout shown in image_887ae3.jpg, it features a significantly shortened barrel and threaded termination stud to maximize space efficiency behind the panel without sacrificing physical connection strength.
With its fully insulated blue outer rim and high-conductivity internal brass sleeve, it serves as an excellent space-saving choice for multi-channel test systems, phase lines, or auxiliary dc reference points.
Key Features
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Space-Saving Short Barrel: Ultra-short internal profile reduces enclosure depth requirements, making it ideal for shallow casing designs and crowded multi-layer PCBs.
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Universal 4mm Compatibility: Fully compatible with all standard 4mm male banana plugs, uninsulated patch cords, and test probes.
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Streamlined Panel Mount: Easy front-insertion or rear-lock mounting via a low-profile fastening nut and solder lug terminal, seating tightly against plastic or metal equipment walls.
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Visual Identification: Solid blue finish provides instant visual differentiation for negative rails, mid-points, alternative phases, or auxiliary signal lines in complex multi-terminal panels.
Technical Specifications
| Parameter | Specification |
| Product Model | B1 (Short Variant) |
| Color | Blue (Auxiliary / Phase / Reference) |
| Compatible Plug Size | 4.0 mm Standard Banana Plug |
| Mounting Type | Panel Mount / Chassis Mount (Low Depth) |
| Termination Style | Short Rear Threaded Stud with Solder Lug & Hex Nut |
| Material (Conductor) | Nickel-Plated Brass or Zinc Alloy |
| Material (Insulation) | High-Insulation ABS / Nylon Rim |
| Current Rating | 10A Max |
| Contact Resistance | $\le 5\text{ m}\Omega$ |
Applications
The ideal port choice for space-constrained diagnostic networks and miniature electrical instruments:
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Multi-Output Test Gear: Integrated test points on compact multi-channel power supplies, variable electronic loads, and component diagnostic rigs.
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Shallow Enclosures: Low-profile DIY desktop equipment cases, aluminum project boxes, and packed structural control nodes.
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Dense Matrix Boards: High-density test panels where numerous 4mm ports of multiple colors must be placed in a tight layout with minimal space behind the panel.
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Educational Labs: Color-coded wiring points on specialized electronic breadboard workstations and electrical engineering training modules.
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