The 1.35mm DC Power Jack SMT is a surface-mount device (SMT) connector designed for providing DC power to compact electronic products. Its key feature is a 1.35mm center pin diameter, making it suitable for low-profile applications like IoT modules, portable media players, and miniature gadgets. The SMT design allows for automated PCB assembly, streamlining manufacturing. This jack typically features a robust housing for reliable mating/unmating cycles. Its small footprint saves valuable board space, which is critical in modern, space-constrained electronic designs.
The 1.35mm DC Power Jack SMT is a high-precision surface mount connector designed for stable and efficient DC power transmission in modern electronic devices. It is widely used in compact electronic systems where space-saving and reliable power input are essential.
In this design, the center pin carries the positive voltage, while the outer sleeve functions as the ground connection, ensuring stable and safe power delivery. As a Surface Mount DC Power Jack 1.35mm, it is optimized for automated PCB assembly and high-density circuit board layouts.
The SMT DC Power Jack 1.35mm is commonly used in consumer electronics, IoT devices, development boards, and smart systems, offering excellent electrical performance and mechanical stability.
| Parameter | Specification |
|---|---|
| Product Name | 1.35mm DC Power Jack SMT |
| Type | DC Power Jack SMT Type / Surface Mount Connector |
| Connector Size | 1.35mm DC Socket |
| Rated Voltage | 12V – 24V DC (varies by model) |
| Rated Current | 3A – 5A (depending on model) |
| Contact Structure | Center Positive Pin / Outer Ground Sleeve |
| Mounting Type | SMT (Surface Mount Technology) |
| Insertion Life | 5,000 – 10,000 Cycles |
| Operating Temperature | -20℃ to +70℃ |
| Solder Type | Reflow / SMT Process |
| Material | High-strength Thermoplastic + Metal Contacts |
The Mini DC Power Jack 1.35mm uses SMT technology, making it ideal for compact PCB layouts and high-density electronic assemblies.
Precise contact structure ensures reliable power transmission with low resistance and stable conductivity.
The surface mount design enhances solder joint strength, improving resistance to vibration and mechanical stress.
Designed for thousands of insertion cycles, ensuring long-term reliability in repeated use applications.
Many versions of this DC Power Jack SMT Type comply with RoHS standards, free from harmful substances like lead and cadmium.
The 1.35mm DC Socket Connector is ideal for miniaturized electronic devices where PCB space is limited.
Ensures stable power delivery even under vibration or movement conditions.
SMT structure supports reflow soldering, improving production efficiency and consistency.
Supports multiple voltage and current ranges depending on application requirements.
High-quality materials ensure long insertion lifespan and stable electrical performance.
Used in portable devices, smart gadgets, and compact electronic products requiring stable DC power input.
Ideal for smart home systems, sensors, and connected devices requiring low-power stable connections.
Widely used in embedded systems, Arduino-like boards, and prototype electronics.
Suitable for routers, modems, and small networking equipment.
Used in compact medical devices and industrial control modules requiring reliable power input.
The 1.35mm DC Power Jack SMT is designed for modern electronics that demand both compact size and reliable power delivery. Its SMT structure ensures excellent PCB integration, while its stable electrical performance makes it suitable for a wide range of applications.
As a Surface Mount DC Power Jack 1.35mm, it provides a perfect balance between durability, efficiency, and space optimization, making it an essential component in modern circuit design.
It is used to connect DC power sources to electronic devices, ensuring stable power input for compact electronic systems.
The DC Power Jack SMT Type is surface-mounted directly onto the PCB, saving space and improving automation compatibility compared to through-hole types.
Yes, it supports up to 5,000–10,000 insertion cycles depending on the model, ensuring long service life.
Yes, the Mini DC Power Jack 1.35mm is widely used in portable and space-constrained electronic devices.
Yes, depending on the model, it typically supports 12V to 24V DC applications.
| Rating | 1.0A, 30V DC |
| Contact Resistance | 30mΩ Max(initial) |
| Insulation Resistance | 100mΩ Min(250VDC) |
| Dielectric Strength | AC 500V(50Hz for 1minute) |
| Actuating Force | 3-20N |
| Environment Temperature | -30℃~70℃ |
| Electrical Life | 5,000 Cycles |
KKG DC Power Jack, each part of the use of temperature-resistant materials, high-temperature testing equipment 260 ℃ for 5 minutes, the appearance of the product does not change!
1. Portable Consumer Electronics
The 1.35mm DC power jack is widely used in compact devices like Bluetooth headsets, mini speakers, and digital audio players. Its small SMT footprint is ideal for space-constrained designs where a low-profile charging or power input solution is required.
2. Wearable Technology
Fitness trackers, smartwatches, and health monitoring devices utilize this jack for intermittent data syncing and charging. The surface-mount design ensures reliability against physical stress from daily wear, while the small size maintains sleek product aesthetics.
3. IoT Modules & Sensors
For industrial and commercial IoT sensor nodes, gateways, and communication modules, the 1.35mm jack provides a reliable DC power input. The SMT construction allows for automated PCB assembly, reducing manufacturing costs for high-volume deployments.
4. Miniature Medical Devices
Hearing aids, portable diagnostic equipment, and wearable medical monitors benefit from the jack's compactness and secure connection. Its precision design ensures consistent power delivery for sensitive electronic components in critical applications.
5. Telecommunications Equipment
In routers, modems, and VoIP phones, this power jack offers a standardized interface for external power adapters. The surface-mount technology provides strong board attachment, enhancing durability in both home and office environments.
Q: What is a 1.35mm DC Power Jack SMT?
A: It is a Surface-Mount Technology (SMT) connector for providing DC power. Its 1.35mm center pin diameter makes it suitable for compact electronics.
Q: Key benefits of the SMT design?
A: The SMT design allows for high-speed automated assembly, reducing production costs. It also saves significant PCB space compared to through-hole versions.
Q: Typical applications for this jack?
A: Due to its small size, it's ideal for space-constrained devices like Bluetooth headphones, mini drones, portable medical equipment, and IoT sensors.
Q: Important specifications to check?
A: Always verify the voltage/current rating, operating temperature, and the mating plug's dimensions to ensure compatibility with your power supply.
Q: Any critical PCB layout tips?
A: Yes. Provide a strong ground connection and robust solder pads. A central anchor pad under the body improves mechanical stability during insertion.
Q: Reliability concerns with SMT jacks?
A: The main concern is physical stress from plug insertion. Ensure the PCB layout provides strong support to prevent the jack from detaching from the board.
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