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JST PH - Sensors and RS485
The JST PH style connector is used for motor encoder, analog, digital, I2C, RS485, and UART connections on the Control Hub and Expansion Hub. These are all 4-pin connections except for the RS485 and UART which are 3 pin. The connectors are keyed (they only insert in one orientation) and are friction locking. Below the keying feature aligned with the cable is shown.
REV Robotics recommends in most cases that teams use pre-made cables because the quality of the crimp is better when made using industrial tooling. These cables can be bought directly from the REV Robotics Website or through other online vendors.

Premade 4-pin JST PH Cables

Cable/Accessory
Pins
Length
REV Robotics Part Number
JST PH 4-Pin Sensor Cable
4
30 cm
JST PH 4-Pin Sensor Cable
4
50 cm
JST PH 4-Pin Sensor Cable
4
100 cm
JST PH 4-pin Joiner Board
4

Premade 3-pin JST PH Cables

Cable
Pins
Length
REV Robotics Part Number
JST PH 3-pin Communication Cable
3
30 cm
JST PH 3-pin Communication Cable
3
50 cm
JST PH 3-pin Communication Cable
3
100 cm
For teams that want to try crimping their own cables, or to find more information about the connectors, the table below lists the appropriate part numbers.
Connector Specifications
    2A continuous current (24AWG)
    2.0mm pitch
    Accepts 32-24AWG wire

JST PH Connector Part Number Reference

Connector Parts
Manufacturer Part Number
Vendor
Part Number
Contact, JST PH, 30-24AWG
SPH-002T-P0.5S
DigiKey
Contact, JST PH, 28-24AWG
SPH-002T-P0.5L
DigiKey
Housing, JST PH, 4-pin
PHR-4
DigiKey
Header, JST PH, 4-pin, Top Entry
B4B-PH-K-S
DigiKey
Header, JST PH, 4-pin, Side Entry
S4B-PH-K-S
DigiKey
Housing, JST PH, 3-pin
PHR-3
DigiKey
Header, JST PH, 3-pin, Top Entry
B3B-PH-K-S
DigiKey
Header, JST PH, 3-pin, Side Entry
S3B-PH-K-S
DigiKey
Recommended Crimping Tool
IWISS SN-2549
Amazon
SN-2549
Last modified 6mo ago