A High-Density Connectivity Choice: In-Depth Guide to CLT3-4BT6 Electronic Connector

Published:2025-04-30

Dr. James Anderson is a distinguished figure in electrical engineering, specialising in electronic components. Dr. Anderson has dedicated his career to pushing the boundaries of electronic component technology. With over 20 years of experience in academia and industry, he has earned a reputation as a leading expert.

1. Core Specifications Overview: CLT3-4BT6 at a Glance

Parameter

Value

Number of Positions

4 (Single Row)

Current Rating

Up to 3 A per contact

Rated Voltage

150 V AC

Insulation Resistance

≥ 1000 MΩ @ 500 VDC

Operating Temperature

-40°C to +105°C

Contact Resistance

≤ 20 mΩ

Mounting Type

SMT (Surface Mount Technology)

Contact Material

Copper Alloy, Gold/Tin Plated

Packaging

Tape & Reel (for pick & place)

Compliance

IEC 60512, RoHS Compliant

Data referenced from Würth Elektronik’s official datasheet.

📧 For product inquiries, contact: [email protected].

2. Selection Guide: Choosing the Right Connector for Your Design

Although connectors are small components, they are critical to system performance. Consider the following when selecting from the CLT3 series:

a. Match Pin Count to System I/O Needs

● CLT3-4BT6 offers 4 positions—ideal for low-speed signal or power connections.

● For more signals, consider CLT3-6BT6 or CLT3-10BT6.

b. Mounting and Assembly

● SMT form factor suits automated production environments.

● Compatible with reflow soldering; ensure clean PCB pads.

c. Electrical Requirements

● For higher current or voltage demands, consider the CLT6 series (up to 6 A).

● Ensure low contact resistance for better signal integrity in sensitive circuits.

d. Space Constraints

● With 2.54 mm pitch and low profile, CLT3 is suitable for compact embedded devices.

 

3. Application Cases: Where CLT3-4BT6 Excels

✅ Case 1: Industrial Control Boards

● Need: Stable low-speed signals (e.g., I²C, UART), power lines

● Highlight: High reliability under vibration and high temperatures

✅ Case 2: Smart Home Mainboards

● Need: Compact size, SMT compatibility

● Highlight: Reel packaging supports automated SMT production

✅ Case 3: Medical Device Modules

● Need: Stable connections with low signal loss

● Highlight: Gold-plated contacts for signal integrity and long-term reliability

4. Market Trends and Technological Insights

According to MarketsandMarkets, the global connector market is projected to grow at a 5.8% CAGR (2024–2029). This demand is fueled by:

● Automation and edge computing growth

● Modular product architecture trends

● Shrinking device sizes requiring smaller, more reliable connectors

CLT3-4BT6 is well-positioned with its compact, SMT-ready form and robust electrical design.

5. Product Comparison Table

Model

Positions

Mounting

Current Rating

Height

Application

CLT3-4BT6

4

SMT

3 A

5.6 mm

General applications

CLT3-6BT6

6

SMT

3 A

5.6 mm

Multi-signal boards

CLT6-4BT6

4

SMT

6 A

7.0 mm

Power-demanding systems

Harwin M50-310

4

SMT

1 A

4.6 mm

Precision electronics

🔎 Why choose CLT3-4BT6? It delivers higher current handling and structural robustness than many compact competitors, making it ideal for industrial and medical-grade systems.

6. Future Outlook: Toward Smarter, Smaller Connectors

● More integration: Signal + Power in one connector

● Self-monitoring connectors for predictive maintenance

● High-speed support (USB4, PCIe Gen5, etc.)

CLT3-4BT6 is part of this trend—balancing performance and compact design for next-gen electronic systems.

7. Conclusion: Start Your Design Right with CLT3-4BT6

If you're looking for a high-reliability, compact, and SMT-ready electronic connector, the CLT3-4BT6 delivers excellent performance in power and signal applications. Whether you’re designing industrial controllers, home automation hubs, or portable medical devices, this connector offers the reliability and flexibility your design demands.

📧 Contact us for technical specs, pricing, and samples: [email protected].

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FAQ

  • Q1: Is it compatible with other brands' connectors?

    A1: Only if pin pitch and electrical specs match exactly—prefer using components from the same series.

  • Q2: Does it have a locking mechanism?

    A2: Some CLT3 models include mechanical alignment; for more robust locking, consider CLT versions with retention clips.

  • Q3: Can this connector support hot-plugging?

    A3: Not recommended for frequent hot-plug use. It’s optimized for permanent, fixed connections.

  • Q4: Is it suitable for automated pick-and-place assembly?

    A4: Yes. It is tape & reel packaged and SMT compatible.

  • Q5: Can CLT3-4BT6 be used in humid environments?

    A5: While it has good baseline protection, we recommend pairing it with

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