3 Pin Connector
Alizn Professional Customization
3 Pogo Pin Connector
3 Pin Spring Loaded Connector Catalog
3 pin connector, also known as 3 pin electrical connectors or 3 pin spring loaded connector, are primarily used to create stable and reliable electrical or signal pathways between two components. They provide secure mating, consistent conductivity, and dependable performance across a wide range of electronic and power transmission applications.
3 Point Pogo Pins Connector Overview
3 Pin Pogo Connector Product Details
With advanced technology and expert craftsmanship, we create durable, high performance custom pogo pin connector tailored to each project’s needs.
What is 3 point pogo pin connector
3 point pogo pin connector is a sophisticated, spring loaded electrical contact module designed to establish reliable connections through axial compression. It integrates three independent conductive pins within a single housing, each comprising a movable plunger, an internal compression spring, and a precision engineered barrel. This design allows for repeatable, low profile electrical contacts that effectively compensate for manufacturing tolerances, minor misalignments, and vibrations. Widely utilized in applications such as board to board interfaces, charging docks, and test fixtures, these connectors are ideal for scenarios demanding frequent mating cycles. They efficiently handle signal, ground, or power duties, adapting to various mounting styles including through hole, SMD, and hybrid configurations to suit diverse assembly requirements.
How to install 3 point pogo pins connector
Installing 3 point pogo pin connectors requires adherence to specific best practices, varying slightly with the mounting style. For Surface Mount Device (SMD) variants, the process involves designing the PCB land pattern according to vendor specifications, applying solder paste, precisely placing the pogo module using pick and place machinery or careful manual placement, and then reflowing it with a compatible thermal profile. For Dual In line Package (DIP) or through hole types, the connector tails are inserted into plated holes and secured via wave or selective soldering; some designs may also incorporate plastic bases for enhanced mechanical retention. Crucially, adequate keep out areas must be maintained to allow for full compression travel, and post assembly inspections should always verify solder joint integrity, alignment, and electrical continuity, often including force checks.
3 pin pogo connector material & parts
The robust construction of a 3 pin pogo connector relies on carefully selected materials for its core components. Each pin typically consists of a plunger, a compression spring, and a barrel. The conductive elements, such as the plunger and barrel, are commonly fabricated from high conductivity brass or copper alloys, chosen for their excellent electrical properties and mechanical strength. The internal springs are usually made from durable stainless steel or music grade spring steel, ensuring consistent contact force and extended operational life. To minimize oxidation and achieve stable, low contact resistance, contact surfaces are frequently plated with nickel, followed by a thin layer of gold. The connector’s housing or base is often constructed from high temperature plastics, enabling it to withstand the thermal demands of reflow or wave soldering processes.
3 pin spring loaded connector Internal structures
Internally, each pin of a 3 pin spring loaded connector is a marvel of precision engineering, designed for optimal performance and durability. The plunger slides smoothly within a meticulously machined barrel, guided by tight clearances and specialized features that maintain its central alignment. The compression spring, nestled between the barrel and plunger, is critical for delivering a controlled and consistent contact force throughout the working stroke. Manufacturers employ various internal geometries, including simple bevels, ball tip designs, or copper ball interfaces, to reduce friction, stabilize lateral movement, and enhance the electrical contact area. Some advanced multi part designs may also incorporate spacers or locking elements to further boost current capacity and overall durability. The interplay of tight machining tolerances, quality plating, and precise spring selection collectively determines the connector’s friction, wear characteristics, and consistent resistance over numerous operational cycles.
How 3 pin spring connector Work
The fundamental operation of a 3 pin spring connector is to convert mechanical compression into a highly reliable electrical connection. When a mating surface engages with the connector, it presses down on the three plungers, causing their respective internal springs to compress. This compression generates a precise and controlled force that pushes each plunger firmly against its corresponding mating pad or counterpart, thereby establishing intimate metal to metal contact. The spring’s inherent design ensures a defined contact force, which is essential for breaking through any surface films and effectively compensating for mechanical tolerances, vibrations, and minor misalignments between the connected components. Upon disengagement, the springs efficiently return the plungers to their original, uncompressed positions, ready for subsequent mating cycles. This elegant mechanical principle underpins the connector’s ability to deliver low, repeatable contact resistance and an extended cycle life, provided that the materials and plating are appropriately specified.
3 pin pogo connectors contact resistance
Contact resistance is a critical performance metric for 3 pin pogo connectors, directly impacting their efficiency and reliability. This resistance is primarily influenced by factors such as contact metallurgy, plating quality, contact geometry, and the spring force applied. Gold plating over a nickel underplate is a common and highly effective strategy to minimize oxidation and ensure stable, low resistance over time. Typical production specifications aim for very low contact resistance values, often in the range of tens of milliohms (e.g., 10–50 mΩ) per contact under a specified test force. While higher contact force and larger contact geometries generally contribute to lower resistance, factors like poor plating or contamination can significantly increase it. Therefore, Kelvin (four wire) testing under actual load conditions is highly recommended for accurate verification and characterization of the contact resistance, ensuring optimal performance in demanding applications.
types of 3 point pogo pin connectors
Selection Guide of 3 Point Spring Loaded Connectors
Select spring pin connector based on travel length, spring force, contact material, and plating to achieve optimal performance, reliability, and durability.
Fully customizable to meet any electrical, mechanical, or environmental requirements.
| Connector Type | Product Image | Full Stroke (mm) | Initial Height (mm) | Working Height (mm) | Detailed Selection |
|---|---|---|---|---|---|
| Dip Pogo Pin Connector |
 |
0.4~5.0 | 1.80~20.0 | 1.40~19.0 | dip pogo pin detailed selection |
| SMD Pogo Pin Connector |
 |
0.4~3.0 | 1.80~20.0 | 1.40~19.0 | smd pogo pin detailed selection |
| Double Ended Pogo Pin Connector |
 |
1.0 – 4.0 | 10.0 – 35.0 | 7.0 – 30.0 | double ended pogo pin detailed selection |
| Right Angle Pogo Pin Connector |
 |
0.8 – 3.0 | 6.0 – 16.0 | 4.5 – 14.0 | right angle pogo pin detailed selection |
| Rolling Pogo Pin Connector |
 |
0.4 – 2.2 | 4.5 – 13.0 | 3.8 – 11.5 | rolling pogo pin detailed selection |
| Side Contact Pogo Pin Connector |
 |
0.5 – 2.2 | 5.5 – 15.0 | 4.8 – 13.5 | side contact pogo pin detailed selection |
| Solder Cup Pogo Pin Connector |
 |
1.0 – 3.5 | 8.0 – 20.0 | 6.0 – 17.0 | solder cup pogo pin detailed selection |
| High Current Pogo Pin Connector |
 |
0.8 – 3.5 | 6.0 – 18.0 | 4.8 – 15.0 | high current pogo pin detailed selection |
| Pancil Pogo Pin Connector |
 |
0.4 – 3.0 | 3.5 – 13.0 | 3.0 – 11.5 | pancil pogo pin detailed selection |
3 Point Pogo Pin Connector Performance
3 Pin Connector Technical Parameters
Alizn custom pogo pins connector are carefully crafted using only the finest materials.
Our production team offers superior craftsmanship with over 10 years of experience working with custom spring loaded connector.
| Items | Details |
|---|---|
| Material | Plunger: Lead-Free Copper Alloy |
| Body: Lead-Free Copper Alloy | |
| Spring: Stainless Steel | |
| Solid Pin: Lead-Free Copper Alloy | |
| Main Technical Parameters | Standard state: |
| Operating temperature: -40~+120°C (Standard) | |
| Operating humidity: 20-85% RH | |
| Storage temperature: -10~+50°C | |
| Storage humidity: 20-85% RH | |
| Rating voltage: 36V AC/DC (Standard) | |
| Rating current: 2A/Pin Continuous (Standard) | |
| Contact resistance: 30 mΩ Max. (Standard) | |
| Withstanding voltage: 250V AC, 1 Minute | |
| Insulation resistance: 500 MΩ Min. | |
| Durability: 10,000 Cycles (Standard) | |
| Working Spring Force: 40~120 gf (Standard) | |
| Electroplating | Plunger: Ni Plating 1.4μm, Gold Plating 0.30μm |
| Body: Ni Plating 1.4μm, Gold Plating 0.10μm | |
| Solid Pin: Ni Plating 1.4μm, Gold Plating 0.10μm | |
| Contact Type | Vertical Contact Type |
| Installation Method | SMT automatic placement machine + Reflow soldering |
| Plugin machine + Wave soldering | |
| Environmental Protection Standard | Comply with EU RoHS and Alizn standards |
Upload Your CAD File
To begin, provide your contact details and upload the CAD file or detailed product requirements of your design. This allows us to create a detailed 3D model of the part or prototype you're looking to produce.
Receive a Quote & Design Review
Within 12 hours, we’ll send you a detailed quote along with Design for Manufacturability (DFM) feedback. This ensures the feasibility of your project and gives you a clear idea of the costs involved.
Confirm Your Order & Begin Production
Once you approve the quote and design, we’ll proceed with the production of your custom pogo connector.
Shipping & Delivery
Your project enters our manufacturing queue the morning after we receive your approval. On average, custom orders ship within 10-15 business days. In-stock products and samples ship within 48 hours.
Just 4 Steps
Custom 3 Point Spring Connector Quotation Process
3 Point Spring Loaded Connectors Electroplating
3 Point Spring Pin Connector Surface Treatment
Various surface treatment methods to meet your needs
Electroplated Gold - Golden Yellow
Electroplated Nickel - Silver White
Before Electroplating - Brass Color
Packaging Options for 3 Pin Connector
3 Point Pogo Pin Connector Packaging Method
Enabling you to move seamlessly from receiving to production without compromise.
Pogo Pins Vacuum Carrier Tape Packaging
Pogo Pin Connector Vacuum Carrier Tape Packaging
3 Point Pogo Pins Connector Customization Process
From Design to Quality Control
Every Step Tailored to Perfection
Alizn pogo connector customization process ensures precision, quality, and efficiency at every stage. From innovative design and advanced production to rigorous quality control, we transform your ideas into high performance solutions. Serving diverse industries, we specialize in creating prototypes and full scale production, turning your vision into reality with unmatched expertise and attention to detail.
- RX Feugiat 2000
- 4-5 months
- $ 8,400
Professional Equipment For 3 Point Spring Loaded Connector
The Equipment Behind Custom 3 Point Spring Connector
Our professional equipment provides complete solutions for pogo connectors customization, ensuring high precision, efficiency, and cost effectiveness.
From design to production, we meet strict quality standards, addressing complex shapes and performance needs.
automatic lathe
High speed auto feeding turning
milling machine
Complex precision machining
stamping press
High accuracy & rigidity
spring coiling machine
Free height & wire diameter precision
electroplating machine
Uniform, clean
coordinate measuring machine
Dimensional & tolerance verification
Alizn Spring Loaded Connectors
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Pogo Pin Connector Professional Guide
Pogo Pin Connector Knowledge
Alizn explores with you every factor that influences your choice design, functionality, durability, price factors, process, customization options
3 Point Pogo Pins Connector FAQ
Alizn high performance spring loaded connectors, ideal for functional tests or end use applications. Explore our FAQs to discover more about our spring connector solutions and related technical support.
We need drawings or key specs: size, stroke, force, current, plating, and usage.
Standard parts: 3–7 days. Custom parts: 2–4 weeks depending on complexity.
Yes, sample testing can be provided before mass production.
Yes, we can design sealed / IP67–IP68 waterproof structures.
Yes, we support full customization based on size, force, plating, and structure.