4 Pin SMD DC Power Jack Horizontal Surface Mount — DC-090 DC Charging Connector 0.5A 30V for Consumer Electronics & Portable Devices
The DC-090 is a 4 pin SMD DC power jack horizontal surface mount — a compact DC charging connector with 4-pin SMT footprint for superior PCB mechanical retention, rated 0.5A/DC 30V. Ideal for portable chargers, Bluetooth earbuds, desk fans, and compact consumer electronics. RoHS 3 & REACH compliant. MOQ 1,000 pcs. Free sample available.
4 Pin SMD DC Power Jack Horizontal Surface Mount — DC-090 Product Overview
The DC-090 is a 4 pin SMD DC power jack horizontal surface mount — a miniature DC charging connector designed for automated SMT (surface-mount technology) PCB assembly in a horizontal (side-entry) orientation. Manufactured by Vistar Electronics, this compact DC power jack delivers reliable low-power charging connectivity for consumer electronics, personal care devices, desktop accessories, and compact IoT products where a small, stable, soldered DC charging interface is required on the PCB.
The defining feature of the DC-090 DC charging connector SMT is its 4-pin footprint — compared to the simpler 2-pin DC jack that provides only the centre (positive) and shell (negative) electrical contacts, the DC-090’s 4-pin configuration adds two additional mechanical anchor pins that solder to the PCB alongside the two electrical contacts. These mechanical anchor pins provide no electrical function but dramatically increase the connector’s resistance to pull-out forces and rocking from cable strain — a critical reliability improvement for a small DC jack on a compact PCB where the connector body and solder joints can easily fatigue under repeated cable insertion and withdrawal.
The horizontal (side-entry) orientation of the 4 pin DC jack 0.5A 30V PCB positions the DC jack socket opening perpendicular to the PCB surface and parallel to the board edge — the cable enters the connector from the side, which is the standard configuration for side-panel DC charging ports on desktop products, table-top accessories, and small enclosures where the PCB is mounted horizontally inside the chassis and the charging port faces the user on the front or side panel.
The DC-090 is rated at 0.5A / 30V DC — appropriate for low-power consumer electronics charging applications such as Bluetooth earbuds cases (typically 5V/0.5A = 2.5W), desk fans, RGB LED controllers, small personal care devices, and compact IoT sensors powered by standard DC wall adapters in the 5V to 12V range. The 30V DC maximum voltage rating provides substantial headroom above the standard 5V, 9V, and 12V adapter voltages used in the target applications.
According to the IEC 61558 standard for transformers and power supply units, DC power connectors used in consumer electronics must be matched to the rated output voltage and current of the power adapter. The DC-090’s 0.5A / 30V rating covers the Class 2 low-voltage power supply outputs (typically ≤5V/1A or ≤12V/0.5A) used with the vast majority of compact consumer electronics products that employ proprietary barrel-type DC charging interfaces.
The horizontal SMT mounting of the horizontal SMT DC power connector PCB DC-090 allows it to be placed and soldered in a standard SMT reflow production pass alongside other surface-mount components, without requiring a separate through-hole wave-solder step. This simplifies production for high-volume consumer electronics assembly, reducing per-unit assembly cost and eliminating the process compatibility issues between SMT and through-hole component mixing.
For DC power jacks with higher current ratings, see our full DC power jack range including 2A and 5A variants. For barrel connector specifications and compatibility with standard DC adapters, see the DC power connector category page. All DC-090 connectors are manufactured in Vistar Electronics’ ISO 9001:2015 certified Shenzhen facility and comply with RoHS 3 and REACH SVHC regulations.
DC-090 DC Charging Connector SMT — Full Technical Specifications
| Parameter | Value | Notes |
|---|---|---|
| Part Number | DC-090 | Standard catalog item |
| Connector Type | DC Power Jack (Barrel Jack) | Female receptacle |
| Pin Count | 4 pins | 2 electrical + 2 mechanical anchor |
| Mount Type | SMT (Surface Mount) | Reflow solder compatible |
| Orientation | Horizontal (Side Entry) | Jack opening faces board edge |
| Current Rating | 0.5A | Centre pin (positive) |
| Voltage Rating | DC 30V Max | — |
| Contact Material | Copper Alloy, Gold/Tin Plated | Low contact resistance |
| Insulator Material | High-Temp Thermoplastic | SMT reflow compatible |
| Shell Material | Brass / Copper Alloy | Structural rigidity |
| Operating Temperature | −25°C to +70°C | Consumer electronics range |
| Storage Temperature | −40°C to +85°C | — |
| Packaging | Reel / Tray | SMT pick-and-place ready |
| Compliance | RoHS 3, REACH SVHC | EU & global export ready |
| Certification | ISO 9001:2015 | Factory quality management |
Why Engineers Choose the DC-090 Surface Mount DC Charging Jack 4 Pin for Consumer Electronics
4-Pin Footprint — Superior Mechanical Stability vs 2-Pin Jacks
The two additional mechanical anchor pins solder to the PCB alongside the two electrical contacts, distributing the connector’s pull-out load across four solder joints instead of two. This significantly reduces the risk of solder joint fatigue from repeated cable insertion and withdrawal — the most common failure mode for SMT DC jacks on compact PCBs in consumer electronics products with a multi-year service life.
Horizontal Side-Entry — Standard Side/Front-Panel Port Configuration
The horizontal (side-entry) mounting positions the DC jack socket facing toward the PCB board edge — the standard configuration for side-panel and front-panel DC charging ports on desktop accessories, Bluetooth devices, and compact consumer electronics. The horizontal orientation keeps the connector profile low above the PCB while positioning the charging port at the product enclosure edge for user-accessible cable connection.
0.5A / 30V DC — Compatible with Standard Low-Power Adapters
Rated 0.5A / 30V DC, covering the standard output range of Class 2 and Class 3 wall adapters used with compact consumer electronics: 5V/0.5A (2.5W), 9V/0.5A (4.5W), and 12V/0.5A (6W) — the typical power range for Bluetooth earbuds cases, desk accessories, RGB LED products, IoT sensors, and personal care devices that use proprietary DC barrel charging rather than USB-C.
SMT Reflow Compatible — Automated Assembly Ready
The DC-090 insulator body and contact materials are rated for standard SMT reflow temperature profiles (peak ≤260°C), allowing placement by pick-and-place machine and simultaneous soldering with all other SMT components in a single reflow pass. Available in tape-and-reel packaging for automated high-volume production and tray packaging for manual assembly and prototyping.
Cost-Effective Alternative to USB-C for Low-Power Applications
For products that only require simple DC charging at 5V/0.5A to 12V/0.5A — with no data transfer, USB PD negotiation, or regulatory USB-C mandate — the DC-090 barrel jack provides a simpler, lower-cost charging interface than USB-C without the additional cost of a USB PD controller IC, USB-C connector, and associated PCB routing complexity. The right choice when cost optimisation is the priority and USB-C’s data/protocol features are not needed.
RoHS 3 & REACH Compliant — Global Consumer Export Ready
Fully compliant with RoHS 3 (EU Directive 2015/863) and REACH SVHC substance regulations. Essential for consumer electronics products sold in the EU, UK, and other regulated markets. RoHS declarations of conformity and REACH SVHC substance statements are available upon request for CE marking, product certification, and supply chain qualification documentation.
Where to Use the DC-090 4 Pin SMD DC Charging Jack — Consumer Electronics Applications
DC-090 SMD DC Power Jack 4 Pin — Frequently Asked Questions
What is the difference between a 4-pin and a 2-pin SMD DC power jack?
Both provide the same electrical function — two contacts for positive (centre pin) and negative (shell/return) DC power connection. The difference is entirely mechanical:
- 2-pin DC jack: only the two electrical contacts solder to the PCB. Minimal PCB anchoring — the solder joints on the two electrical pins must bear all pull-out and side-load forces from cable insertion and withdrawal. Suitable for very light-duty applications with infrequent cable connections.
- 4-pin DC jack (DC-090): two electrical contacts + two additional mechanical anchor pins that solder to separate PCB pads. The four solder joints distribute the mechanical load, providing significantly greater pull-out resistance and fatigue life. Recommended for consumer products where the DC port will be connected and disconnected regularly throughout a multi-year service life.
For products with a daily-use DC charging port, the 4-pin configuration is the appropriate choice to prevent premature solder joint failure.
What barrel plug size (OD/ID) does the DC-090 accept?
The DC-090 barrel jack inner diameter (ID) and outer diameter (OD) dimensions are specified in the product datasheet. Common barrel connector sizes used with compact consumer electronics DC jacks in this current class include 3.5mm OD / 1.35mm ID and 4.0mm OD / 1.7mm ID — the exact specification of the DC-090 is confirmed in the dimensional drawing available from Vistar sales.
To confirm barrel plug compatibility before ordering production quantities, request a free sample of the DC-090 and verify fitment with your DC adapter plug. Contact sales@vistarelectronics.com to request the datasheet with full dimensional specifications.
Can the DC-090 handle 12V / 0.5A (6W) operation?
Yes. The DC-090 is rated at 0.5A / 30V DC maximum, which covers 12V / 0.5A (6W) operation with substantial voltage headroom remaining. The 30V DC voltage rating is approximately 2.5× the common 12V adapter voltage, providing a safe operating margin. Ensure that the mating barrel plug and cable assembly are also rated for the intended voltage and current — the complete charging circuit rating is limited by the weakest-rated component.
When should I use a DC barrel jack instead of USB-C for charging?
A DC barrel jack like the DC-090 is the better choice when:
- The product only needs DC power delivery — no data transfer, no USB PD negotiation, no protocol compliance testing
- The charging power is ≤6W (0.5A at 12V or lower) where USB-C’s 18W/45W/100W capability is unnecessary
- Cost is the priority — no USB PD controller IC, no USB-C compliance testing, lower connector cost
- The product uses a proprietary wall adapter (included in the box) rather than a universal USB-C charger
- The product is not subject to USB-C regulatory mandates (e.g. EU common charger directive, which currently applies to mobile phones, tablets, and laptops, not desk accessories or toys)
USB-C is the better choice when: the product needs data transfer, universal charger compatibility (end user uses their own USB-C charger), higher charging power, or the product falls under USB-C regulatory requirements.
What SMT assembly process is recommended for the DC-090?
The DC-090 is fully compatible with standard SMT reflow assembly:
- Apply solder paste to all four PCB pads (2 electrical + 2 mechanical anchor)
- Place the DC-090 by pick-and-place machine (tape-and-reel packaging) or manually
- Reflow in a standard lead-free reflow profile (peak ≤260°C, following IPC/JEDEC J-STD-020 for SMT component handling)
- Inspect solder joints — all four pads should show proper fillet formation
Ensure the PCB footprint matches the DC-090’s pad layout precisely — the mechanical anchor pads must be present and correctly sized. The product datasheet provides the recommended land pattern dimensions and courtyard for the DC-090.
What is the MOQ and can I get a free sample?
Standard MOQ is 1,000 pieces with a 2–4 week production lead time. Free samples are available for qualified engineering and product development projects, including dimensional datasheet and PCB footprint reference. Contact sales@vistarelectronics.com with your company name, product application, and part number (DC-090), or click the “Get a Quote” button at the top of this page.
SMD DC Power Jack Manufacturer — Shenzhen Vistar Electronics
Shenzhen Vistar Electronics Co., Ltd. manufactures a complete range of DC power connectors and charging jacks in SMT and DIP configurations, covering current ratings from 0.5A to 5A and barrel sizes from 2.5mm to 5.5mm OD. The DC-090 is our 4-pin SMD horizontal DC jack for compact consumer electronics charging applications rated at 0.5A / 30V DC.
For higher current DC power jacks (2A, 5A), see our full DC power jack range. For USB-C charging connectors (up to 5A/100W with Power Delivery), see our USB-C connector range. Contact sales@vistarelectronics.com for free samples, datasheets, and OEM/ODM enquiries.
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