Stpete Electronics
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| Electrical characteristics | |
| Rated current | DC 30V |
| Contact resistance | ≤ 50m Ω |
| Insulation resistance | ≥ 100M Ω DC 500V |
| Voltage resistance | AC500V for 1 minute |
| Lifespan | 5000 Cycles |
| Mechanical characteristics | |
| Insertion and extraction force | 3-30N |
| Working temperature | -30 ℃~+70 ℃ |
In the field of consumer electronics, DC sockets are widely used in household appliances such as televisions (12V/2A), DVD players (9V/1A), combination speakers (15V/3A), speakers (5V/0.5A), recorders (6V/0.3A), as well as computers (19V/3.42A) and other devices. These devices require extremely high dimensional accuracy for DC sockets, with common specifications of 5.5 × 2.1mm having tolerances controlled within ± 0.05mm. In terms of electronic instruments and equipment, professional devices such as medical monitors and industrial control panels pay more attention to the EMI shielding and seismic performance of sockets.
With the trend of device miniaturization, the annual growth rate of market demand for micro DC sockets (such as 3.5 × 1.35mm) has reached 15%. The new generation of DC sockets begins to integrate intelligent recognition chips, support USB PD fast charging protocol, and use gold-plated contacts to enhance conductivity. In extreme environmental applications, military grade DC sockets also have an IP68 protection rating and a working temperature range of -40 ℃ to 85 ℃. These technological innovations continue to solidify the core position of DC sockets as the energy hub for electronic devices.
These DC sockets feature a rated current/voltage of DC 30V, contact resistance of ≤ 50m Ω, insulation resistance of ≥ 100M Ω (at DC 500V), and can withstand voltages up to AC 500V for 1 minute.
The sockets support a working lifespan of up to 5,000 cycles, with an insertion and extraction force ranging between 3N and 30N.
Standard models operate reliably within a temperature range of -30 ℃ to +70 ℃. For extreme environments, our military-grade DC sockets can withstand temperatures from -40 ℃ to 85 ℃.
They are heavily utilized in consumer appliances like TVs, DVD players, speaker systems, and recorders, as well as high-precision computers. They are also critical for professional equipment requiring strict EMI shielding and seismic performance, such as medical monitors and industrial control panels.
The newer generations support USB PD fast charging protocols, feature integrated intelligent recognition chips, and employ gold-plated contacts to dramatically improve conductivity.
