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JST Connectors, JST Cable application

Introduction

 

JST connectors, also known as Japan Solderless Terminals connectors, have gained widespread popularity in the field of electronics due to their numerous advantages. These connectors are widely used in various electronic applications for their reliability and compact size. One key advantage of JST connectors is their high level of reliability. They are designed to provide a secure and stable connection between electrical components, ensuring that signals or power can be transmitted efficiently without any interruptions or loss. This reliability makes them ideal for use in critical electronic devices where consistent performance is essential.

 

Here is a breakdown of different types and their specific characteristics:

 

Common JST Connector Types

 

1. JST SH (1.0mm pitch):

   2, 3, 4, 5, 6, 8 pins: Very small and commonly used in small electronic devices.

   Example: JST SH 4 pin, JST SH 3 pin

JST SH connectors with a 1.0mm pitch are widely used in various small electronic devices due to their compact size and versatility. These connectors come in different pin configurations, including 2, 3, 4, 5, 6, and 8 pins.

The small form factor of JST SH connectors makes them ideal for applications where space is limited or weight needs to be minimized. They are commonly found in consumer electronics such as smartphones, tablets, digital cameras, and portable gaming devices. Additionally, they are also utilized in industrial equipment like sensors and control modules.

jst sh connector

 

2. JST PH (2.0mm pitch):

   2, 3, 4, 5, 6, 7 pins: Used for a variety of general-purpose connections.

   Example: JST PH 2.0 connector, JST PH 4 pin connector

JST PH connectors with a 2.0mm pitch are widely used for various general-purpose connections in electronic devices and systems. These connectors come in different pin configurations, including 2, 3, 4, 5, 6, and 7 pins. These connectors are commonly found in consumer electronics such as smartphones, tablets, laptops, and digital cameras. They are also utilized in automotive electronics, industrial equipment, medical devices, and many other electronic products.

jst ph connector wire

 

 

3. JST XH (2.5mm pitch):

   2 to 10 pins: Often used in battery connections and balance leads.

   Example: XH2 54 connector, JST XH 3 pin

JST XH connectors with a 2.5mm pitch are commonly used in various applications, particularly for battery connections and balance leads. These connectors provide a reliable and secure connection, ensuring efficient power transfer and accurate voltage monitoring. With pin options ranging from 2 to 10 pins, JST XH connectors offer flexibility in accommodating different wiring configurations. They are often found in battery packs for electronic devices such as laptops, drones, and RC cars. The compact size of these connectors makes them suitable for space-constrained environments.

jst xh 8 pin

 

 

4. JST SM (2.5mm pitch):

   2, 3, 4, 6 pins: Used for wire-to-wire connections in more robust applications.

   Example: JST SM 2 pin, JST SM 4 pin

JST SM connectors with a 2.5mm pitch are commonly used in various applications that require wire-to-wire connections with enhanced durability. These connectors come in different pin configurations, including 2, 3, 4, and 6 pins. The JST SM connectors are particularly suitable for robust applications where reliability is crucial. They provide secure and stable electrical connections, ensuring efficient transmission of signals or power between wires. The compact design of these connectors allows for space-saving installations while maintaining excellent performance.

For instance, the JST SM 2-pin connector is often utilized in small electronic devices or appliances that require a reliable connection but have limited space available. On the other hand, the JST SM 4-pin connector finds its application in more complex systems where multiple wires need to be connected securely.

jst sm connector wire

 

 

5. JST GH (1.25mm pitch):

   2 to 6 pins: Smaller and used in space-constrained applications.

   Example: JST GH 6 pin, JST GH 4 pin

The JST GH connector, with a pitch of 1.25mm, is commonly used in applications where space is limited. It offers a compact and reliable solution for connecting various electronic components. The connector comes in different pin configurations ranging from 2 to 6 pins. This smaller size makes the JST GH connector ideal for use in tight spaces or when weight reduction is crucial. Its compact design allows it to be easily integrated into devices such as mobile phones, laptops, cameras, and other portable electronics. One example of the JST GH connector is the 6-pin version which provides multiple connections within a small footprint. This can be useful in applications that require multiple signals or power inputs to be transmitted simultaneously.

jst gh connectir wiring

 

 

6. JST RCY (2.5mm pitch):

   Commonly used in RC vehicles for battery connections.

   Example: JST RCY connector

JST RCY connectors, with a pitch of 2.5mm, are widely utilized in the field of remote control (RC) vehicles for battery connections. These connectors provide a reliable and secure electrical connection between the battery pack and various components within an RC vehicle. One notable advantage of JST RCY connectors is their compact size, which allows for easy installation even in tight spaces. This makes them particularly suitable for small-scale RC models such as cars, boats, drones, and airplanes. The JST RCY connector features a simple yet effective design that ensures a snug fit between male and female terminals. The positive locking mechanism prevents accidental disconnections during high-speed maneuvers or rough terrains commonly encountered in RC vehicle applications.

jst rcy 2 pin

 

 

7. JST ZH (1.5mm pitch):

   Used in tight space applications.

   Example: ZHR 5 cable

JST ZH (1.5mm pitch) connectors are commonly used in applications where space is limited. These compact connectors offer a 1.5mm pitch, which refers to the distance between each contact point on the connector. The small size of these connectors makes them ideal for tight spaces, such as in electronic devices or circuit boards where every millimeter counts. They provide a reliable and secure connection for various types of cables. One example of a cable that utilizes JST ZH connectors is the ZHR 5 cable. This specific cable is designed to work seamlessly with JST ZH connectors and offers compatibility with various devices and systems. With their high-quality construction and precise engineering, JST ZH connectors ensure efficient signal transmission and minimize any potential interference or loss during data transfer. Their durability also allows for repeated connections without compromising performance.

jst zh 4 pin

 

 

8. JST Qwiic/Stemma QT:

   Designed for easy daisy-chaining of I2C devices.

   Example: Stemma QT Qwiic JST SH 4 pin cable

The JST Qwiic/Stemma QT is a versatile and convenient solution for connecting multiple I2C devices in a daisy-chain configuration. This design allows for easy expansion of your project without the hassle of dealing with complex wiring setups. By using the Stemma QT Qwiic JST SH 4-pin cable, you can effortlessly connect various sensors, actuators, and other I2C devices. With this seamless connectivity option, you can save time and effort by eliminating the need for individual wires or additional connectors. The JST Qwiic/Stemma QT simplifies integrating different components into your project, making it ideal for both beginners and experienced makers alike.

jst sh 4 pin wire

 

 

Part of Connector Specifications  Comparison

 

JST series Pin-to-pin pitch Pin rows Current
(Amp)
Voltage
(Volt)
Wire size
(AWG)
Shroud Lock Notes
VH 3.96 mm (0.156 in) 1 10 250 22 to 16 Yes/No Yes Unshrouded seems to be more popular than shrouded.
RE 2.54 mm (0.100 in) 1 2 250 30 to 24 No No Similar to female "DuPont" connectors and male pin headers. RF series is double row.
EH 2.50 mm (0.098 in) 1 3 250 32 to 22 Yes No Not 0.1-inch pitch.
XA 2.50 mm (0.098 in) 1 3 250 30 to 20 Yes Yes Not 0.1-inch pitch.
XH 2.50 mm (0.098 in) 1 3 250 30 to 22 Yes Yes Not 0.1-inch pitch. Used by many radio control (R/C) batteries.
PA 2.00 mm (0.079 in) 1 3 250 28 to 22 Yes Yes Used by FMA Cellpro R/C battery chargers.
PH 2.00 mm (0.079 in) 1 2 100 32 to 24 Yes No Many stepper motors. Compatible with KR (IDC), KRD (IDC), CR (IDC) series
ZH 1.50 mm (0.059 in) 1 1 50 32 to 26 Yes No Compatible with ZR (IDC) and ZM (crimp) series.
GH 1.25 mm (0.049 in) 1 1 50 30 to 26 Yes Yes Not 0.05-inch pitch. Sometimes confused with Molex PicoBlade.
SH 1.00 mm (0.039 in) 1 1 50 32 to 28 Yes No Compatible with SR (IDC) and SZ (IDC) series.
RCY 2.50 mm (0.098 in) 1 3 250 28 to 22 Locking Used in radio control (R/C), also known as BEC or P connector. Commonly found on small models, toys, and small LiPo packs. JST RCY
SM 2.50 mm (0.098 in) 1 3 250 28 to 22 Locking, High force Used in some RGB LED decorative light strips. JST SM

 

 

Cables and Connectors

 

1. Custom JST Cables:

  We support custom JST connectors with wire and cable assembly, With a wide range of options available, customers can choose from various wire and cable lengths, wire gauges, colors, any jst connector types, and insulation materials to create the ideal solution for their projects. contact us to check the details.

jst ph 4 pin cable

 

 

2. JST to USB Cables:

   For connecting JST various connectors to USB ports.

   Example: 2 pin JST to USB, 4 pin JST to USB

JST to USB cables are essential accessories for connecting JST various connectors to USB ports. These cables provide a convenient and efficient solution for transferring data or power between devices with different connector types. One example of such a cable is the 2 pin JST to USB cable, which allows you to connect devices with a 2 pin JST connector, such as small electronic components or sensors, to a USB port. This enables easy communication and power supply from your computer or any other device with a USB interface.

These JST connector to USB cables come in various lengths and designs depending on your specific needs. Some may have additional features like shielding for improved signal integrity or built-in voltage regulators for stable power delivery. It's important to choose the right cable based on your requirements and ensure compatibility between the connectors involved.

jst pa to USB cable

 

 

3. JST Balance Cables:

   Used in battery balancing applications.

   Example: 3S JST XH charge & balance cable

The purpose of this particular cable is twofold: charging and balancing. During charging, it allows for the efficient transfer of electrical energy from an external power source to each cell within the battery pack. Simultaneously, it enables balanced charging by monitoring and equalizing voltage levels across all cells to prevent overcharging or undercharging. Balancing is especially important because even slight differences in voltage between cells can lead to imbalances that degrade performance or even cause safety hazards like overheating or swelling. By using a JST Balance Cable like this one during charging cycles, users can ensure that their batteries remain healthy and perform optimally throughout their lifespan.

JST balance cable

 

 

 

Specific Pin Configurations

 

1. 2 Pin Connectors:

2 Pin Connectors are widely used in various applications for simple power connections. These connectors provide a reliable and efficient way to connect two electrical components or devices together. They are commonly found in electronic devices, such as computers, televisions, and audio equipment.

   Example: 2 pin JST cable, 2 pin JST connectors

 

 

2. 3 Pin Connectors:

   Used for signal connections, such as servo connections. This type of connector is widely used in the field of robotics, particularly for servo connections. Servos are small motors that can be controlled with precision, making them essential components in robotic systems. The 3 pin JST cable allows for easy and efficient connection between servos and their control boards or microcontrollers.

   Example: 3 pin JST cable, 3 pin JST PH

 

 

3. 4 Pin Connectors:

   4 Pin Connectors are commonly used in various applications where multiple signals need to be transmitted. These connectors provide a reliable and efficient way to connect sensors and other devices, ensuring seamless communication between different components.

   Example: 4 pin JST cable, 4 pin JST PH

 

4. 6 Pin Connectors:

   6 Pin Connectors are versatile components that can be utilized for a wide range of complex connections. These connectors offer enhanced functionality and flexibility, making them ideal for various applications in industries such as electronics, automotive, aerospace, and telecommunications.

   Example: 6 pin JST GH, 6 pin JST cable

 

5. 10 Pin Connectors:

   10 Pin Connectors are widely used in various industries and applications that require multiple connections. These connectors provide a reliable and efficient solution for connecting different components or devices together. They can be found in a range of specialized applications, such as automotive electronics, industrial machinery, medical equipment, and telecommunications systems. These connectors enable the seamless transmission of signals, power, or data between different parts or modules within these complex systems.

   Example: 10 pin JST connector

 

 

Applications

 

Battery Connections

The JST XH connectors feature a compact design that allows for easy installation and removal. Their small size makes them ideal for applications where space is limited, such as in mini quadcopters or micro RC cars. Despite their compactness, these connectors provide excellent electrical conductivity and can handle high currents without overheating or causing voltage drops.

 

Sensor Connections

JST SH and GH connectors are widely utilized in various industries for their ability to connect sensors efficiently, especially in compact spaces. These connectors offer a reliable and secure connection, ensuring accurate data transmission between the sensor and its corresponding device. The JST SH connector is known for its small size and high-density contact arrangement. It is commonly used in applications where space is limited, such as automotive electronics, consumer electronics, and industrial automation. The compact design of the JST SH connector allows it to be easily integrated into tight spaces without compromising on performance or reliability. On the other hand, the JST GH connector provides a robust solution for connecting sensors in harsh environments. Its rugged construction makes it suitable for use in outdoor applications or areas with extreme temperatures or vibrations. The GH series connectors are often found in aerospace systems, military equipment, and industrial machinery where durability is crucial.

 

General Wiring

JST PH and SM connectors are widely utilized in a diverse range of electronic projects due to their versatility and reliability. These connectors play a crucial role in ensuring secure and efficient electrical connections, making them essential components for general wiring purposes. In the field of consumer electronics, JST PH and SM connectors are commonly found in devices such as smartphones, tablets, laptops, gaming consoles, and audio equipment. Their compact size allows for space-saving designs while maintaining excellent signal integrity. Whether it's connecting internal components or external peripherals, these connectors provide seamless connectivity that ensures smooth operation. Moreover, JST PH and SM connectors also find extensive applications in automotive electronics. They are used for various wiring tasks within vehicles including power distribution systems, sensor connections, lighting systems, infotainment units, and more. The durability of these connectors is particularly important in this industry as they need to withstand harsh environmental conditions such as temperature fluctuations and vibrations.

 

 

If you need more detailed information about a specific type or a custom cable, feel free to ask!