No.1 Gaoda Industrial Park,
Fenggang, Dongguan, China



JST B2P-VH(LF)(SN) VH Vertical Header Diagram
  • Part Name: Vertical Header
  • Pitch: 3.96mm
  • Circuits: 4
  • Rows: 1
  • Series: SCT3961
  • Header Series: SCT3961WV
  • Compatible: B4P-VH

JST B4P-VH(LF)(SN) – Your Ideal RoHS-Compliant 4-Pin Through Hole Vertical Header

The JST B4P-VH(LF)(SN) is a high-quality and RoHS-compliant vertical header designed for seamless integration with the JST 4-pin plug housing VHR-4N. This reliable connection solution offers outstanding features, making it the ideal choice for a wide range of applications. In this article, we will explore the key characteristics, applications, and advantages of the JST B4P-VH(LF)(SN).

Key Features of JST B4P-VH(LF)(SN):

1. Impressive Current and Voltage Ratings:
The JST B4P-VH(LF)(SN) boasts a remarkable current rating of 7A AC/DC and a voltage rating of 250V AC/DC. These ratings ensure robust and reliable electrical connections, making it suitable for various applications.

2. Exceptional Insulation:
With an insulation resistance of 1000MΩ (Min) and a withstanding voltage of 1500VAC (Min), this header provides superior protection against electrical leakage and ensures safe and stable connections.

3. Low Contact Resistance:
The contact resistance is as low as 10mΩ (Max), ensuring minimal power loss and maximizing efficiency in your electrical circuits.

4. Wide Temperature Range:
The JST B4P-VH(LF)(SN) can operate flawlessly in temperatures ranging from -25°C to +85°C, making it suitable for both indoor and outdoor environments.


– Insulator Material: The insulator is made from Nylon 66 (UL94V-0), providing excellent mechanical and thermal stability while meeting stringent safety standards.

– Contact Material: The contacts are crafted from brass, ensuring superior conductivity and corrosion resistance.

– Finish: The tin-plated finish enhances the header’s durability and maintains electrical performance over time.

– Color: The header comes in a clean, white color, making it easy to identify and integrate into your projects.


The JST B4P-VH(LF)(SN) and its compatibility with the JST 4-pin plug housing VHR-4N open up a world of possibilities for your electronic projects. Some of the key applications include:

1. Printed Circuit Boards (PCBs):
These headers are perfect for connecting PCBs to various components, ensuring reliable power and signal transmission.

2. Automotive Electronics:
With its excellent current and voltage ratings, these headers find applications in automotive systems, guaranteeing secure connections in the harshest conditions.

3. Industrial Control Systems:
The headers’ wide temperature range and robust construction make them an ideal choice for industrial control and automation applications.

4. Consumer Electronics:
From laptops to home appliances, these headers offer dependable connections in everyday consumer electronics.

5. Renewable Energy Systems:
The high voltage rating and low contact resistance make these headers a valuable component in solar and wind energy systems.

Advantages of JST B4P-VH(LF)(SN):

The JST VH 4 pin vertical header stands out in the market due to the following advantages:

– RoHS Compliance: It meets RoHS requirements, ensuring that your products are environmentally friendly and compliant with global regulations.

– High Performance: With exceptional current and voltage ratings, low contact resistance, and reliable insulation, it guarantees high-performance electrical connections.

– Versatility: Suitable for a wide range of applications, from PCBs to industrial equipment, automotive, and consumer electronics.

– Temperature Tolerance: Its ability to operate in extreme temperatures expands its applicability to various environments.

– Durable Construction: Crafted from quality materials and featuring a tin-plated finish, it offers longevity and reliability.

SCT3961WV-04B0WT108 is a cost-effective and RoHS-compliant alternative to the JST B4P-VH(LF)(SN). This reliable solution offers similar performance and environmental compliance, making it an excellent choice for your connection needs.

Get a Quick Quote

Let's talk

Request a Quote

Any Inquiry or question, Suggestion are welcome, the more details the message with, the more quickly response you get..

Free Samples Request

Any Inquiry or question, Suggestion are welcome, the more details the message with, the more quickly response you get..