120A M54-Pin High-Current Metal Square PCB Welding Terminal Block
Model NO :
TLS5634
minimum order :
1 piece
Premium 120A M5 4-Pin high-current metal square PCB welding terminal block by Telian. Made of high-quality metal, stable 120A current transmission, square structure for firm PCB mounting, ideal for high-power BMS and industrial equipment.
Quantity :

TLS5634 PCB Terminal
1500V HIGH VOLTAGE RATED
The TLS5634 is a premium PCB wire connector engineered for high-voltage environments. Utilizing high-conductivity copper and professional-grade manufacturing, it ensures safety and reliability in demanding industrial electric appliance applications.
- Application: Industrial & Home Electric Appliances
- Material: Pure Copper for optimal electrical performance
- Compliance: CE & ISO Certified
- Lead Time: 7-10 Working Days
Technical Specifications
| Model Number | TLS5634, TLS Series |
|---|---|
| Product Name | PCB Terminal (Screw Type) |
| Rated Voltage | 1500V |
| Current Type | AC / DC |
| Main Material | Copper |
| Pin Header | Brass, Tin-Plated |
| Usage | PCB Welding / Solder Mounting |
| R&D Capabilities | Custom drawings provided upon request |
| Packaging | Plastic Bag & Export Carton |
| Origin | Guangdong, China |
The 120A M5 4-Pin High-Current Metal Square PCB Welding Terminal Block is a high-performance connection component independently developed by Telian, specifically designed to solve the high-current transmission and stable connection needs of high-power electronic equipment, BMS battery management systems and industrial control PCB circuits. As a professional 120A-grade high-current terminal, it adopts a metal square structure and 4-pin design, which not only ensures excellent current-carrying capacity but also realizes firm and reliable welding installation on PCB boards, effectively avoiding the problems of heating, poor contact and disconnection that are easy to occur in ordinary terminals under high-current working conditions.
Premium Material & Structural Advantages
This 120A M5 4-Pin terminal block is made of high-purity brass as the main conductive body, combined with precision tin-plated surface treatment technology, which effectively reduces the internal resistance of the terminal, ensures stable 120A rated current transmission for a long time, and has excellent oxidation resistance and corrosion resistance, which can adapt to complex industrial and new energy working environments. The metal square shell is integrally formed, with strong structural stability, good shock resistance and pressure resistance, which can effectively protect the internal conductive structure and avoid damage caused by external mechanical impact during equipment operation. The M5 specification screw design is matched with the 4-pin welding foot, which is in line with the mainstream PCB board layout specifications, has good solderability, can be compatible with manual welding and automatic wave soldering processes, and greatly improves the assembly efficiency of manufacturers.
Core Performance & Technical Parameters
- Rated Current: 120A AC/DC, supporting long-term stable current transmission without abnormal heating or voltage drop
- Rated Voltage: Up to 500V AC/DC, with excellent insulation performance, dielectric strength up to 1000V AC for 1 minute, leakage current <3mA
- Contact Resistance: ≤0.12mΩ, ensuring efficient and low-loss current conduction, reducing energy consumption
- Working Temperature Range: -40°C to +125°C, adapting to various harsh working environments without deformation or aging
- Surface Treatment: Tin-plated, enhancing solderability and corrosion resistance, passing 48-hour neutral salt spray test without coating peeling or rusting
- Compliance: Meets ROHS and REACH environmental protection requirements, with reliable quality and stable performance
Wide Application Scenarios
Telian 120A M5 4-Pin High-Current Metal Square PCB Welding Terminal Block is widely used in high-power electronic equipment and new energy fields that require stable high-current connection. It is perfectly suitable for BMS battery management systems of energy storage batteries and lithium battery packs, used for internal power wiring and circuit connection of solar inverters and industrial frequency converters, and also widely applied in high-power switching power supplies, industrial control mainboards, new energy vehicle PDU high-voltage distribution boxes and other products. Whether it is small-batch prototype debugging or large-scale mass production, it can provide safe, stable and long-lasting circuit connection protection for equipment.
Telian Brand Advantage & Custom Support
As a professional manufacturer focusing on R&D and production of high-current PCB terminals, Telian has strict quality control from raw material selection to finished product delivery. All 120A M5 4-Pin terminal blocks have passed multiple electrical performance and durability tests, with stable product quality and reliable supply cycle. While providing standard models, we also support personalized customization according to customers' PCB board size, wiring requirements and special working conditions, and can provide one-stop high-current terminal connection solutions for global industrial and new energy equipment purchasers.
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