4 Pin Connector
Alizn Professional Customization
4 Pogo Pin Connector
4 Pin Spring Loaded Connector Catalog
4 pin connector, also known as 4 pin electrical connectors or 4 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.
4 Point Pogo Pins Connector Overview
4 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 4 point pogo pin connector
Four point pogo pin connector is a sophisticated, spring loaded electrical contact solution featuring four independent conductive pins within a single housing. Each pin comprises a movable plunger, an internal compression spring, and a precision barrel, forming reliable, low profile electrical contacts. These connectors engage through axial compression, offering exceptional tolerance for misalignment and vibration. Widely adopted in board to board interfaces, charging docks, and test fixtures, they facilitate frequent mating cycles. They efficiently handle signal, ground, or power duties, depending on their size and plating, and are available in various mounting styles including through hole, SMD, and hybrid configurations, accommodating diverse assembly requirements.
How to install 4 point pogo pins connector
Installation methods for four point pogo pin connectors vary by mounting style, yet adhere to established best practices. For surface mount device variants, engineers should design the printed circuit board land pattern according to vendor specifications, apply solder paste, and accurately place the pogo module using pick and place machinery or careful manual positioning. Subsequent reflow soldering must utilize a thermal profile compatible with the connector’s plating and polymer base. For through hole types, pins are inserted into plated holes and secured via wave or selective soldering. Some designs incorporate plastic bases or solder cups for enhanced mechanical retention. Adequate clearance for full compression travel and meticulous inspection of solder joints, alignment, and electrical continuity are crucial post assembly.
4 pin pogo connector material & parts
A typical four pin pogo connector consists of three primary components per pin: a plunger, a compression spring, and a barrel or body. The conductive elements, such as the plunger and barrel, are commonly fabricated from brass or copper alloys, chosen for their superior conductivity and mechanical strength. Springs are typically made from stainless steel or music grade spring steel, ensuring consistent contact force and extended operational life. Contact surfaces are frequently plated with nickel and a thin layer of gold to minimize oxidation and achieve stable, low electrical resistance. The connector housing or base is usually constructed from high temperature plastics or metal, designed to withstand reflow or wave soldering processes. Material selection and plating thickness are critical for balancing current rating, cycle life, and contact resistance.
4 pin spring loaded connector Internal structures
Internally, each pin of a four pin spring loaded connector is meticulously designed to slide within a precision machined barrel. Small clearances and guiding features ensure the plunger remains perfectly centered during operation. The compression spring, positioned between the barrel and plunger, provides a controlled and consistent contact force throughout the working stroke. Manufacturers employ various internal geometries, including simple bevels, ball tip or copper ball interfaces, and inner hole guide features. These designs collectively aim to reduce friction, stabilize lateral movement, and optimize the electrical contact area. Some advanced multipart designs may also incorporate spacers or locking elements to enhance current capacity and overall durability. Tight machining tolerances, high quality plating, and precise spring selection are paramount for achieving minimal friction, wear, and stable resistance over numerous cycles.
How 4 pin spring connector Work
Four pin spring connector functions by converting mechanical compression into a highly reliable electrical contact. When a mating surface engages the plungers, each internal spring compresses, exerting a precise force that presses the plunger firmly against its corresponding mating pad or counterpart. This action establishes intimate metal to metal contact. The spring’s inherent design ensures a defined contact force, effectively breaking through surface films and compensating for any mechanical tolerances or vibrations. Given that each pin operates independently, the connector adeptly tolerates minor misalignment and uneven surfaces, consistently maintaining electrical continuity. Upon disengagement, the springs efficiently return the plungers to their resting position. This fundamental mechanical principle delivers low, repeatable contact resistance and a prolonged cycle life, provided materials and plating are correctly specified.
4 pin pogo connectors contact resistance
Contact resistance is a critical performance metric for four pin pogo connectors, influenced by contact metallurgy, plating, geometry, and spring force. Gold plating over nickel underplates is a common practice, effectively minimizing oxidation and ensuring stable resistance. Typical production specifications target low resistance values, often in the range of tens of milliohms or better per contact, under specified test forces. However, exact figures can vary based on product design and current rating, with many small surface mount device or dual in line package pins listing a maximum of 10 to 30 milliohms as a general guideline. Higher contact force and larger contact geometries generally reduce resistance, while poor plating or contamination can significantly increase it. Kelvin four wire testing under load is highly recommended for accurate verification of contact resistance.
types of 4 point pogo pin connectors
Selection Guide of 4 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 |
4 Point Pogo Pin Connector Performance
4 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 4 Point Spring Connector Quotation Process
4 Point Spring Loaded Connectors Electroplating
4 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 4 Pin Connector
4 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
4 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 4 Point Spring Loaded Connector
The Equipment Behind Custom 4 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
4 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.