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How to Use JST PH 2.0 connector: Examples, Pinouts, and Specs

Image of JST PH 2.0 connector
Cirkit Designer LogoDesign with JST PH 2.0 connector in Cirkit Designer

Introduction

The JST PH 2.0 connector is a compact, versatile electrical connector widely used in various electronic applications. It is part of the JST PH series, known for its 2.0mm pitch, which refers to the distance between the centers of adjacent pins. This connector is designed for secure wire-to-board or wire-to-wire connections, making it suitable for low to moderate power and signal applications. Common use cases include battery connections in portable devices, signal transfer in consumer electronics, and power supply connections in industrial equipment.

Explore Projects Built with JST PH 2.0 connector

Use Cirkit Designer to design, explore, and prototype these projects online. Some projects support real-time simulation. Click "Open Project" to start designing instantly!
Arduino UNO Controlled Relay Switching Circuit
Image of StimDemo: A project utilizing JST PH 2.0 connector in a practical application
This circuit uses an Arduino UNO to control a 1-Channel Relay. The relay is powered by the Arduino's 5V output and is triggered by a digital signal from pin D7 of the Arduino. A JST PH 2.0 connector is connected to the common (C) and normally open (NO) contacts of the relay, allowing an external device to be switched on and off by the relay.
Cirkit Designer LogoOpen Project in Cirkit Designer
ESP32-Controlled Sensor Interface with Rotary Encoders and Proximity Sensing
Image of Advisory: A project utilizing JST PH 2.0 connector in a practical application
This circuit is designed for control and data acquisition, featuring an ESP32 microcontroller that processes signals from rotary encoders and various sensors including inductive proximity sensors and a water flow sensor. It includes power management components and multiple power input options, suggesting versatility in deployment for automation or monitoring tasks.
Cirkit Designer LogoOpen Project in Cirkit Designer
FTDI to UART Adapter with J26 Connector
Image of J26 CLOSEUP: A project utilizing JST PH 2.0 connector in a practical application
This circuit connects an FTDI USB-to-serial converter to a standard serial interface via a J26 connector. It facilitates serial communication by linking the ground, transmit, receive, data terminal ready, and request to send signals between the FTDI chip and the J26 connector.
Cirkit Designer LogoOpen Project in Cirkit Designer
12V Multi-Component Control Circuit
Image of DEWX MOTOR 2: A project utilizing JST PH 2.0 connector in a practical application
This circuit appears to be a power distribution system that supplies power to various components from a 12V 5A power supply. It connects the negative terminal of the power supply to the ground (GND) pins of a mini diaphragm water pump, an RGB LED, a fan, and a water pump, while the positive DC output is connected to the positive pins of the RGB LED and presumably to other components through JST PH 2.0 connectors. The circuit lacks a controlling element, such as a microcontroller, suggesting that the components operate continuously or are switched externally.
Cirkit Designer LogoOpen Project in Cirkit Designer

Explore Projects Built with JST PH 2.0 connector

Use Cirkit Designer to design, explore, and prototype these projects online. Some projects support real-time simulation. Click "Open Project" to start designing instantly!
Image of StimDemo: A project utilizing JST PH 2.0 connector in a practical application
Arduino UNO Controlled Relay Switching Circuit
This circuit uses an Arduino UNO to control a 1-Channel Relay. The relay is powered by the Arduino's 5V output and is triggered by a digital signal from pin D7 of the Arduino. A JST PH 2.0 connector is connected to the common (C) and normally open (NO) contacts of the relay, allowing an external device to be switched on and off by the relay.
Cirkit Designer LogoOpen Project in Cirkit Designer
Image of Advisory: A project utilizing JST PH 2.0 connector in a practical application
ESP32-Controlled Sensor Interface with Rotary Encoders and Proximity Sensing
This circuit is designed for control and data acquisition, featuring an ESP32 microcontroller that processes signals from rotary encoders and various sensors including inductive proximity sensors and a water flow sensor. It includes power management components and multiple power input options, suggesting versatility in deployment for automation or monitoring tasks.
Cirkit Designer LogoOpen Project in Cirkit Designer
Image of J26 CLOSEUP: A project utilizing JST PH 2.0 connector in a practical application
FTDI to UART Adapter with J26 Connector
This circuit connects an FTDI USB-to-serial converter to a standard serial interface via a J26 connector. It facilitates serial communication by linking the ground, transmit, receive, data terminal ready, and request to send signals between the FTDI chip and the J26 connector.
Cirkit Designer LogoOpen Project in Cirkit Designer
Image of DEWX MOTOR 2: A project utilizing JST PH 2.0 connector in a practical application
12V Multi-Component Control Circuit
This circuit appears to be a power distribution system that supplies power to various components from a 12V 5A power supply. It connects the negative terminal of the power supply to the ground (GND) pins of a mini diaphragm water pump, an RGB LED, a fan, and a water pump, while the positive DC output is connected to the positive pins of the RGB LED and presumably to other components through JST PH 2.0 connectors. The circuit lacks a controlling element, such as a microcontroller, suggesting that the components operate continuously or are switched externally.
Cirkit Designer LogoOpen Project in Cirkit Designer

Technical Specifications

General Characteristics

  • Pitch: 2.0mm
  • Current Rating: Typically 2A (may vary by specific model)
  • Voltage Rating: Typically 100V (may vary by specific model)
  • Temperature Range: -25°C to +85°C (operating)

Pin Configuration and Descriptions

The JST PH 2.0 connector series includes a variety of pin counts. Below is a table for a common 4-pin configuration:

Pin Number Description
1 Power (+)
2 Data/Signal Line 1
3 Data/Signal Line 2
4 Ground (-)

Note: The actual pinout may vary depending on the specific application and design requirements.

Usage Instructions

Integration into a Circuit

  1. Wire Preparation: Strip the end of the wires to expose the appropriate length of conductor for insertion into the crimp terminals.
  2. Crimping: Use a crimping tool designed for JST PH terminals to crimp the exposed wire to the terminal. Ensure a secure and gas-tight crimp.
  3. Insertion: Insert the crimped terminals into the housing, ensuring they are fully seated and locked in place.
  4. Mating: Align the male and female connectors and gently press them together until they click, indicating a secure connection.

Best Practices

  • Polarization: The JST PH connector is polarized to prevent incorrect mating. Always observe the correct orientation.
  • Cable Strain Relief: Provide strain relief to prevent stress on the wire-to-terminal connection.
  • Inspection: After assembly, inspect the connector for any signs of damage or incomplete mating.
  • Unmating: When disconnecting, pull on the connector housing rather than the wires to avoid damage.

Troubleshooting and FAQs

Common Issues

  • Intermittent Connection: Check for loose terminals within the housing or damaged wires.
  • Difficulty Mating: Ensure the connector is correctly oriented and that no foreign objects are obstructing the connection.
  • Overheating: Verify that the current and voltage do not exceed the connector's ratings.

FAQs

Q: Can I reuse a JST PH connector after it has been disconnected? A: Yes, JST PH connectors are designed for multiple mating cycles. However, if there is any sign of wear or damage, it is recommended to replace the connector.

Q: How do I know if the terminal is fully seated in the housing? A: A properly seated terminal will often emit a 'click' sound, and there should be no metal exposed at the back of the connector housing.

Q: What should I do if the connector does not fit into the board header? A: Double-check the pitch of the board header and the connector to ensure they match. If they do, inspect for any misalignment or debris and try again.

For any further assistance or detailed product inquiries, please contact the manufacturer or your local distributor.

Note: This documentation is provided for informational purposes only and does not constitute professional engineering advice. Always consult a qualified engineer or technician when working with electronic components.