SD20- IP68 25A Waterproof Docking Aviation Male Plug with Female Socket

General Overview

The SD20 series connectors are high-performance, waterproof aviation-style connectors designed for robust and secure electrical connections in outdoor and industrial applications. Thanks to their IP68-rated waterproof sealing, these connectors ensure reliable power transmission even in harsh environments. They are commonly used in marine, automotive, outdoor equipment, and industrial automation applications.

1. Electrical Specifications

• Rated Current: 25A
• Rated Voltage: 500V AC / DC
• Contact Resistance: ≤ 5mΩ
• Insulation Resistance: ≥ 2000MΩ (at 500V DC)
• Dielectric Strength: ≥ 2000V AC/min (1 minute)
• Number of Poles: 2, 3, 4, 5, 7, or 9 pins (optional)

2. Mechanical Specifications

• Connector Type: Male Plug (with pins) and Female Socket (with sockets)
• Wire Connection Type: Solder / Screw
• Cable Diameter: 6-12mm (adjustable with provided gaskets)
• Durability: ≥ 500 mating cycles
• Locking Mechanism: Threaded coupling with self-locking anti-vibration design

3. Environmental Specifications

• Protection Rating: IP68 (dust-tight and protected against prolonged immersion under pressure)
• Temperature Range: -40°C to +105°C
• Corrosion Resistance: Salt spray tested for 48 hours
• Flammability Rating: UL94-V0 (flame-retardant materials)
• UV Resistance: High resistance to UV radiation for outdoor use

4. Material Specifications

• Housing Material: High-strength nylon PA66 (fire-resistant, impact-resistant)
• Contact Material: Copper alloy with silver-plated finish for low resistance and anti-oxidation properties
• Sealing Gaskets: High-grade silicone rubber for long-term water and dust resistance
• Coupling Nut: Zinc alloy with surface treatment to resist wear and corrosion

5. Dimensional Specifications

• Plug Diameter: 20mm
• Overall Length: ~75mm (assembled)
• Panel Cutout Size (for Female Socket): Ø20.5mm
• Mounting Thread for Panel: M20 x 1.5
• Weight: Approximately 80g per connector set

6. Key Features

• Waterproof Design: The IP68 rating ensures complete protection against dust and submersion in water up to 1 meter for prolonged periods.
• High Current Capacity: Rated for 25A, suitable for heavy-duty applications.
• Threaded Coupling: Provides secure connections that are vibration and shock-resistant.
• Versatile Applications: Suitable for indoor and outdoor environments, including harsh industrial and marine settings.
• Easy Installation: Available in solder and screw types for flexible and quick assembly.

7. Applications

• Marine and Offshore: Boats, underwater lighting, and other marine electrical systems.
• Industrial Automation: Robotics, CNC machines, power tools, and sensors.
• Renewable Energy: Solar and wind power systems.
• Outdoor Equipment: Street lighting, security cameras, and billboards.
• Automotive and Railways: Electric vehicles and railway signal systems.

SD20- IP68 25A Waterproof Docking Aviation Male Plug with Female Socket
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30cm 10Pin Male and Female Alligator Clip to Dupont Line

Specifications

General

• Cable Length: 30 cm (11.8 inches)
• Cable Type: Multi-core insulated wire for enhanced durability and flexibility.
• Connector Type 1: Alligator Clip (10 clips)
• Connector Type 2: Dupont Connector (Male and Female options available)

Alligator Clip Features

• Quantity: 10 Clips (multicolored for easy identification).
• Material:
  • Clip Body: Nickel-plated steel for corrosion resistance.
  • Insulation Sleeve: PVC or silicone for electrical safety and durability.
• Max Jaw Opening: 5 mm (approx.), suitable for most standard testing points.
• Rated Current: Up to 5A.

Dupont Connector Features

• Quantity: 10 Pins
• Pin Type:
  • Male Dupont: Compatible with female headers.
  • Female Dupont: Compatible with male pins.
• Material:
  • Contact Pin: Copper with gold plating for superior conductivity.
  • Housing: Durable plastic for a secure and firm fit.
• Pitch: 2.54 mm (standard spacing for breadboards and microcontroller pins).

Electrical

• Rated Voltage: 300V Max.
• Rated Current: 3A (Dupont), 5A (Alligator Clips).
• Operating Temperature: -40°C to +80°C.
• Insulation Resistance: ≥1000 MΩ.

Mechanical

• Wire Core:
  • Material: Tinned copper for low resistance and oxidation protection.
  • Gauge: 22 AWG.
• Outer Insulation: PVC, rated for flexibility and heat resistance.
• Bend Radius: Durable for repeated use in testing applications.

Compatibility

• Applicable Devices:
  • Microcontrollers (e.g., Arduino, Raspberry Pi, STM32).
  • Breadboards.
  • Sensors and electronic modules.
  • Testing equipment.
• Applications:
  • Electrical testing and prototyping.
  • Circuit development and debugging.
  • Education and lab experiments.

Color Coding

• Alligator Clips: Red, black, green, yellow, white, blue, orange, purple, gray, and brown for easy identification.
• Dupont Cables: Matching colors for consistent mapping between alligator clips and Dupont pins.

Durability

• Lifespan: Rated for over 10,000 connection cycles.
• Resistance to Wear: Enhanced wear resistance for daily testing needs.

30cm 10Pin Male and Female Alligator Clip to Dupont Line
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M3 – 5mm / 10mm / 15mm / 20mm / 30mm /40mm Black Nylon Double Pass Hexagonal Column Isolation Column

Specification:

Dimensions:

• Available Lengths:
  • 5mm
  • 10mm
  • 15mm
  • 20mm
  • 30mm
  • 40mm
• Hexagonal Shape: Offers a stable, non-rotating design for secure placement.
• Inner Diameter: 3mm (designed to fit M3 screws or bolts)
• Outer Diameter: Varies slightly depending on length, typically around 5mm.
• Wall Thickness: Approx. 1mm to 1.5mm, ensuring structural integrity.

Material:

• Material Type: Black Nylon (Polyamide)
• Durability: High tensile strength, impact resistance, and wear resistance.
• Temperature Range: Can withstand temperatures ranging from -40°C to +80°C (-40°F to +176°F).
• Electrical Insulation: Excellent electrical insulating properties, making it suitable for use in electronic assemblies.
• Chemical Resistance: Resistant to many acids, alkalis, and oils.

Design Features:

• Double Pass Design: Allows for multiple connection points or insulation zones.
• Hexagonal Column Shape: Prevents rotation when installed, ensuring secure mounting.
• Thread Type: M3 threaded inserts on both ends.
• Color: Black (offers UV resistance and aesthetic appeal).

Usage:

• Electronics: Used in electronic devices to isolate components or provide mounting solutions that reduce vibration and wear.
• Mechanical Assemblies: Ideal for isolating parts in machinery, automotive, or electrical systems.
• Vibration Dampening: Commonly used in sensitive equipment to reduce vibration and prevent wear and tear over time.
• Mounting: Often used for mounting circuit boards or other components in electronic enclosures or other mechanical structures.

Applications:

• PCB Mounting: Used in electronics to raise printed circuit boards off surfaces for mounting, vibration dampening, and cooling.
• Machinery: Helps isolate mechanical components to reduce noise and vibration.
• Enclosures: Acts as spacers in industrial enclosures, ensuring that internal components are protected from external forces and heat.

Mechanical Properties:

• Tensile Strength: High tensile strength allows for high load-bearing applications.
• Compressive Strength: Can withstand compression loads, ensuring stability under pressure.
• Flexural Strength: The nylon material offers good resistance to bending or breaking under pressure.

Other Features:

• Non-Conductive: Ideal for use in electrical insulation applications.
• Lightweight: Nylon is lightweight but strong, making the columns easy to handle without compromising durability.
• Non-Corrosive: The nylon material resists corrosion and environmental degradation.

M3 – 5mm / 10mm / 15mm / 20mm / 30mm /40mm Black Nylon Double Pass Hexagonal Column Isolation Column
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M3 – 12mm / 20mm / 22mm / 25mm / 30mm / 40mm / 60mm / 80mm / 100mm Double Way Hexagon Copper Stud Spacer Hollow Pillars

Material

• Composition: High-quality copper
• Finish: Polished and corrosion-resistant coating
• Properties: Anti-rust, anti-corrosion, durable, and heat-resistant

Thread Details

• Thread Type: Metric Thread (M3)
• Thread Pitch: 0.5 mm
• Threading: Internal threading on both ends
• Thread Accuracy: Precision-cut for secure fastening

Shape and Design

• Type: Hexagonal body for easy grip and tightening
• Hollow Structure: Lightweight yet sturdy
• Double Way: Internal threads on both ends

Dimensions

Features

1. Versatile Usage: Ideal for PCBs, standoffs, electronics, and robotics applications.
2. Easy Installation: Hexagonal shape ensures ease of handling with tools like wrenches.
3. Reliable Strength: Designed for load-bearing and maintaining structural stability.
4. Lightweight: Minimizes additional weight for compact devices and assemblies.
5. Heat Conductivity: Copper material provides effective heat dissipation.

Applications

• Circuit boards and PCBs for electronic devices
• Robotics and mechanical systems
• DIY and custom electronics projects
• 3D printers and CNC machines
• Electrical equipment installations

M3 – 12mm / 20mm / 22mm / 25mm / 30mm / 40mm / 60mm / 80mm / 100mm Double Way Hexagon Copper Stud Spacer Hollow Pillars
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M3- 6MM – 20 / 25 / 30 / 35 / 40 / 45 / 50 / 55 / 60 / 65 / 70 / 80 / 100mm Brass Hexagon Copper Stud Spacer Hollow Pillars

Specification:

Material

• Primary Material: High-quality brass
• Surface Finish: Smooth polished surface with anti-corrosion properties
• Corrosion Resistance: Excellent, suitable for environments with moderate moisture and oxidation

Thread Details

• Thread Type: Internal threading (female) and external threading (male)
• Thread Size: M3 (Metric Thread with 3mm diameter)
• Thread Pitch: 0.5mm
• Compatibility: Suitable for M3 screws

Dimensions

• Hexagonal Width Across Flats (WAF): 5.5mm
• Threaded Stud Diameter: 3mm (standard M3 thread size)
• Lengths Available (L):
  • 20mm
  • 25mm
  • 30mm
  • 35mm
  • 40mm
  • 45mm
  • 50mm
  • 55mm
  • 60mm
  • 65mm
  • 70mm
  • 80mm
  • 100mm

Tolerance

• Dimensional Tolerance: ±0.1mm

Design

• Hexagonal Body: Allows easy gripping with tools such as spanners or pliers
• Hollow Structure: Reduces weight while maintaining structural strength
• End Connections:
  • Male Thread on one end
  • The female Thread on the opposite end

Mechanical Properties

• Tensile Strength: ~420 MPa (dependent on the specific brass alloy)
• Shear Strength: ~350 MPa
• Thermal Conductivity: High (ideal for electronic applications)
• Electrical Conductivity: Excellent for grounding purposes

Applications

1. Electronics:
   • Mounting circuit boards (PCBs)
   • Providing insulation and spacing between PCB layers
2. Industrial Assemblies:
   • Structural support for lightweight assemblies
3. DIY Projects:
   • Robotics
   • Prototyping

M3- 6MM – 20 / 25 / 30 / 35 / 40 / 45 / 50 / 55 / 60 / 65 / 70 / 80 / 100mm Brass Hexagon Copper Stud Spacer Hollow Pillars
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Universal Digital Multimeter 10A 4mm crocodile clip cable

The Universal Digital Multimeter 10A 4mm Crocodile Clip Cable are ideal for safe and reliable measurements. With 4mm plugs and 10A capacity, these test leads provide a secure connection for multimeters, perfect for electronic testing and troubleshooting

Specifications

• Cable Type: 4mm Banana Plug to Crocodile Clip Test Lead
• Cable Length: Typically 1m to 1.5m (can vary depending on the manufacturer)
• Connector 1: 4mm Banana Plug
• Connector 2: Insulated Crocodile Clip
• Crocodile Clip Opening: Typically up to 10-15mm
• Conductor Material: Copper or tinned copper for low resistance
• Cable Insulation: PVC or silicone (silicone preferred for flexibility and durability)
• Color: Typically red and black for polarity identification

2. Electrical Specifications

• Maximum Current Rating: 10A (for high current testing, make sure the leads are rated properly)
• Maximum Voltage Rating: 1000V DC or 750V AC
• Insulation Category: CAT II or CAT III (check for your application, CAT III is for distribution circuits)
• Resistance: Low resistance for accurate current measurement
• Temperature Range: -20°C to 80°C (for silicone-insulated cables)

3. Applications

• Used for testing and measuring current, voltage, and continuity in various electronic devices.
• Compatible with most standard digital multimeters, power supplies, and other electrical measurement equipment.
• Suitable for general electrical testing, circuit board diagnostics, automotive testing, and other high-current applications.

4. Safety Features

• Insulated Crocodile Clips: Provide added safety when measuring live circuits.
• Durable Insulation: Helps protect users from electric shock.
• High-Quality Materials: Ensures reliable measurements without interference or resistance loss.

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Universal Digital Multimeter 10A 4mm crocodile clip cable
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Double-ended Crocodile Clips Cable

The Double-ended Crocodile Clips Cable, 1m in length, is perfect for testing, prototyping, and temporary electrical connections. Equipped with reliable alligator clips on both ends, this cable is ideal for electronics projects, labs, and troubleshooting tasks

Specifications:

• Cable Material: Insulated PVC or silicone rubber for flexibility and durability.
• Conductor Material: Copper or copper-clad aluminum (CCA) for high conductivity.
• Conductor Cross-section Area: 0.5 mm² to 1.5 mm² depending on the type of cable (approximately 22-18 AWG).
• Maximum Current Rating: 5A to 10A, depending on the wire thickness and crocodile clip size.
• Voltage Rating: Generally rated for 30V to 60V DC or AC.

Clip Specifications:

• Clip Material: Nickel-plated or copper-plated steel to prevent corrosion.
• Jaw Opening: Typically 6mm to 10mm, depending on the clip size.
• Clip Length: 30mm to 60mm (small to large clips).
• Clip Width: Around 7mm to 12mm.
• Spring Material: Stainless steel for rust resistance.
• Insulation (optional): Some crocodile clips come with insulated boots to prevent accidental short circuits.

Features:

• Alligator Clips: Clips on both ends, making it ideal for temporary connections in electrical circuits.
• Color Coding: Typically, the cables are color-coded (red, black, yellow, green, blue) to identify polarity and connections.
• Durability: Designed for frequent use and flexibility in laboratory, educational, or hobbyist environments.
• Heat Resistance: High-quality cables with silicone insulation offer better heat resistance compared to PVC.
• Compatibility: Suitable for a variety of applications like electrical testing, DIY projects, automotive use, and science experiments.

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Double-ended Crocodile Clips Cable 1m length
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9V Battery Connector with DC Jack

Specification

1. Connector Type:
   • Battery Connector: 9V snap-on style (compatible with rectangular 9V batteries).
   • DC Jack: Male or female DC power plug (usually 5.5mm outer diameter and 2.1mm inner diameter).
2. Electrical Characteristics:
   • Voltage Rating: 9V nominal (supports standard 9V batteries).
   • Current Rating: Typically supports up to 1A, depending on the cable gauge and quality.
   • Power Rating: Up to 9W (for devices drawing 1A at 9V).
3. Wire Gauge:
   • Typical Wire Gauge: 22 AWG or 24 AWG, multi-stranded for flexibility.
   • Wire Length: 15 to 30 cm (6 to 12 inches) is common, though custom lengths are available.
4. Connector Material:
   • Battery Connector Material: Plastic base with metal terminals (nickel or copper alloy).
   • DC Jack Material: Plastic or rubberized housing with metal pin (nickel-plated brass or copper).
5. Cable Type:
   • Insulation: PVC or rubber insulation.
   • Temperature Rating: Usually rated for -20°C to 80°C.
6. Polarity:
   • Standard Polarity: Red wire for positive (+) and black wire for negative (-). The center pin of the DC jack is usually positive, while the outer sleeve is negative.
7. Mechanical Features:
   • Snap Fit: The 9V battery clip is designed to securely snap onto the terminals of a 9V battery.
   • DC Jack Compatibility: Typically compatible with standard 5.5mm x 2.1mm barrel connectors, used in many consumer electronics.
8. Durability:
   • Connector Life: Rated for hundreds to thousands of mating cycles (battery connection and disconnection).
   • Cable Durability: Resistant to flexing, vibration, and wear in typical electronic environments.
9. Applications:
   • Use Cases: Powering small electronics projects, breadboard prototyping, DIY kits, and powering devices that accept DC input (e.g., small motors, lights, sensors).

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9V Battery Connector with DC Jack
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