Spring pin, also known as spring thimble, is a precision electronic hardware component widely used in high-end precision type electronic equipment. It plays an important role in circuit board testing, and is also widely used in aviation, aerospace, military communications and military electronics because of its small size, high precision, light weight and other advantages. In addition, automobiles, car navigation, medical equipment, wireless equipment, data communication equipment, etc. are also inseparable from the application of spring thimble.

Classification of spring needles

When spring needles are used, test moulds can be made according to the wiring of the circuit board being tested. Usually, a mould can only test one kind of circuit board board. In contrast, universal needles can be used with only enough points to test a circuit board. Therefore, most of the spring-loaded thimble manufacturers in the market produce different types of spring-loaded thimble to meet different needs.

Characteristics of spring-loaded needles

The surface of spring thimbles are plated with a layer of gold, which improves its corrosion resistance, mechanical properties, electrical properties, and so on. Due to their advantages of small size, high precision and light weight, spring thimbles are widely used in aviation, aerospace, military communications and military electronics. In addition, automobiles, car navigation, medical equipment, wireless equipment, data communication equipment, etc. also have its figure. In recent years, with the development of electronic products in the direction of lightweight and portable, spring thimble manufacturers are constantly improving their products to meet this trend. The stable contact resistance of the spring thimble ensures the stability of electronic devices, and its service life can reach about 50,000 times. Moreover, the spring thimble also has the performance of waterproof, moisture-proof and shock-resistant, so it can be said that the generation and development of the spring thimble is another milestone of China's electronic products.

Application of spring thimble

The application of spring thimble is very wide, it can be used not only for circuit board testing, but also for other fields. For example, in the laboratory, the spring-loaded thimble can be used as a common tool for fixing or clamping samples, test tubes or other experimental equipment. In the electronics industry, spring-loaded thimbles are widely used in a variety of electronic devices, such as mobile phones, computers, printers, GPS positioning, communication equipment, aviation equipment and so on. Especially in TWS Bluetooth headset, the spring loaded thimble design can realise the charging of the headset by the charging box.

Development of Spring Thimble With the advancement of technology and the growth of market demand, the design and manufacture of spring thimble is also constantly developing and improving. For example, in order to meet the needs of TWS Bluetooth headphones, the spring-loaded thimble adopts a low-profile design, which greatly saves space in the charging box. Meanwhile, the special plating design allows the spring thimble to be plated with gold and silver, in which the nickel base gold plating layer can prevent oxidation, making it more resistant to electrolysis and corrosion. In addition, the elasticity tolerance of the spring thimble is designed according to +/-20%g, which ensures the stability and consistency of the product. The endurance times are designed to be more than 10,000 times; the contact impedance is 500mΩMax, which ensures the stability of charging and reduces the voltage drop. These advances in design and technology have led to the wider and deeper application of spring thimbles in modern electronic devices.

The spring pin/spring thimble is a versatile, high-performance electronic component with a wide range of applications, from aerospace to everyday electronic devices. With the development of science and technology and the growth of market demand, we can foresee that spring thimbles will continue to play an important role in the future and promote the development of the electronics industry.