Test Probes Manufacturer
Test probes, also known as spring contact probes, are specialized connectors designed to provide reliable electrical connections in various applications, particularly in harsh environments. At Promax Pogo Pin manufacturer, we offer high-performance test probes, designed to meet the needs of industries such as telecommunications, automotive, medical, and electronics. Our test probes are expertly crafted to provide consistent, reliable connections, even in the most challenging conditions.
SIZE
DiameterΦ:≥0.7mm, full stroke ≥0.2mm, working stroke ≥0.05mm
SHAPE
all types of customization
MATERIAL
Brass, SUS304/316F/L,CuTe,HBi59,Cu-Sn, etc
PLATING
Au, Ag, Pd, Pt, Rh, Ru, Ni, etc
MOQ
3000pcs by T&R, Tray, Tube, Box, PE bag, etc
DELIVERY
DHL, UPS, ship the sample out in 2 weeks, mass production in 3-4 weeks
Our Test Probes Range
Promax Pogo Pin offers test probes for stable and repeatable electrical testing. Our range includes single-end probes, double-end probes, fine pitch probes, crown head probes, and custom test probes.
Each probe is built for reliable contact and low contact resistance. We also support different sizes, tip styles, spring forces, and plating options to fit different test fixtures and product designs.
ICT Test Probes
MORE SELETIONIC Test Probes
MORE SELETIONRF High Frequency Probes
MORE SELETION
Single-End Probes
Double-End Probes
Fine Pitch Probes
Crown Head Probes
Safe & On-Time Delivery
Leave your requirements and let Promax Pogo Pin handle the rest.
24/7 Online Support
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Competitive Price
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Test Probe: Design and Functionality
- Basic Structure: A test probe typically consists of a barrel, a plunger, and a spring. The plunger is mounted within the barrel and is biased by the spring, allowing it to move freely. This design enables the probe to maintain contact with a mating surface even under conditions of shock, vibration, or misalignment.
- Contact Mechanism: The contact point of the test probe is designed to engage only the surface of the target, rather than inserting into it like traditional pin and socket connectors. This allows for a forgiving mating process, accommodating misalignments and reducing the risk of damage during connection
For a detailed overview of their features and uses, check out our guide on spring-loaded pogo pins.
Test Probe: Performance Characteristics
Electrical Performance: Test probes are known for their low contact resistance, typically less than 10 mΩ, which is crucial for maintaining signal integrity in both analog and digital applications. They can handle high frequencies, with capabilities of up to 20 GHz and data rates of 12 Gb/s Current Rating: Depending on the specific design, test probes can support various current ratings, with some capable of handling up to 30 Amps Temperature Range: These probes can operate effectively across a wide temperature range, typically from -55°C to 250°C, with some materials allowing for even more extreme conditions
Test Probes Common Applications
- Harsh Environments: Test probes are ideal for applications in industries such as aerospace, military, automotive, and industrial automation, where they can withstand extreme conditions. Their durability and reliable performance make them comparable to advanced solutions like waterproof pogo pin connectors, which are specifically designed to maintain functionality in harsh environments.
- Modular Components: They are often used in modular designs where quick disconnects are necessary, allowing for easy maintenance and replacement of components.
- Blind Mate Applications: The unique design of test probes allows for blind mating, where the connector can engage without direct line of sight, making them particularly useful in compact or difficult-to-access spaces.
What Our Clients Say
What is Test Probe’s Structure?
The test probe is the contact medium for electrical testing and is a high-end precision electronic hardware component. It mainly consists of three parts: spring, plunger, and barrel. Read More ReadLess
What is The Working Principle of The Test Probe?
Testing whether the dut is working properly can give the manufacturer feedback on their process problems. Meanwhile, It can screen out the bad products to reduce the waste of subsequent finished products. Read More ReadLess
What is The Material and Surface Treatment of the Test Probe?
| Main Materials | |
|---|---|
| Aluminum | AI6061, AI6063, AI6082, AI7075, AI2024, AI5052, A380, etc. |
| Stainless Steel | SS201, SS301, SS303, SS304, SS316, SS416, etc. |
| Steel | Mild Steel, Carbon Steel, 4140, 4340, Q235, Q3458, 20#, 45#, etc. |
| Brass | C35600, C36000, C37000, C37700, C37100, C28000, C26000, C24000, C22000, etc. |
| Copper | C11000, C12000, C12200, C10100, etc. |
| Iron | 20#, 45#, Q235, Q345, Q3458, 1214, 12L14, 1215, etc. |
| Plastic | POM, Peek, PMMA, ABS, Delrin, Nylon, PVC, PP, PC, etc. |
| Surface Treatment | |
| Stainless Steel | Brushed and Polishing, Passivating, Sandblasting, Laser engraving, Gold Plating. etc. |
| Steel | Zinc plating, Oxide black, Nickel plating, Carburized, Powder Coated |
| Aluminum Parts | Clear Anodized, Color Anodized, Sandblast Anodized, Chemical Film, Brushing, Polishing, Power Coated, Nickel Plated, etc. |
| Plastic | Plating gold(ABS), Painting, Brushing(Acylic), laser engraving |
Need pogo pins fast? Talk to an engineer
Get a custom quote, spec matching, and manufacturing guidance—without slowing down your project.
- ISO 9001 / 14001 / 45001 + IECQ QC080000
- 15+ years of expertise
- Free samples
- Mass production in 15–20 days
What is Test Probe Tip Type?
Test probe is widely used in electronic products such as mobile phones and plays a test role. The test probe is equivalent to a medium. During the test, the head of the probe can be used to contact the object to be tested,
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How to Choose The Right One?
It is important to choose a good one that will help you to check whether the semi-finished product is qualified or not. A qualified product is crucial for any company. So how do you choose a good one?
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Why Promax Pogo Pin?
When it comes to test probes, few companies can match the level of skill and expertise demonstrated by Promax Pogo Pin. With over 15 years of experience in the field.
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“We are highly satisfied with the products, which consistently exceed our expectations in functionality, design, aesthetics, and practicality.”



