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JST JFA Connector J310S Series, Custom Wire Assembly

JST JFA Connector

 

The JST JFA Connector series is designed to meet the demands of signal and power supply circuits in industrial applications such as factory automation, heavy electrical machinery, and other general industrial equipment. This connector line offers a versatile range of housing options, yet features a standardized contact design to ensure compatibility and simplicity. The use of standardized tooling further enhances its practicality, reducing complexity and costs in assembly. Key features include a reliable double-spring construction for secure contact retention, housing lances for added stability, and a clear tactile click for a confident mating experience. This combination of features ensures robust performance and ease of use across diverse industrial settings.

 

 

JST J310 Series

 

JST JFA Connector, J310S

 

 

Specifications

 

  • Connector type: Wire to Board, Wire to Wire, Disconnectable Crimp style
  • Connector pitch: 3.81mm
  • Voltage rating: 250 V AC, DC
  • Temperature range: -55°C to +105°C (including temperature rise in applying electrical current)
  • Contact resistance: Initial value/ 5 mΩ max, After environmental tests/ 10 mΩ max. 
  • Insulation resistance: 1,000 MΩ min.
  • Withstanding voltage: 1,500 VAC/minute
  • Applicable wire: AWG #28 to #14
  • Applicable PC board thickness: 1.6 to 2.4 mm

 

 

J310S Receptacle Housing

 

J310S Receptacle housing

Circuits Keying Model No. Dimensions (mm) Q'ty/bag
A B C
3 X F31FSS-03V-KX 7.62 16.7 26.62 200
Y F31FSS-03V-KY 7.62 16.7 26.62 200
4 X F31FSS-04V-KX 11.43 20.51 30.43 200
Y F31FSS-04V-KY 11.43 20.51 30.43 200
5 X F31FSS-05V-KX 15.24 24.32 34.24 200
Y F31FSS-05V-KY 15.24 24.32 34.24 200
6 X F31FSS-06V-KX 19.05 28.13 38.05 200
Y F31FSS-06V-KY 19.05 28.13 38.05 200
8 X F31FSS-08V-KX 26.67 35.75 45.67 100
Y F31FSS-08V-KY 26.67 35.75 45.67 100
10 X F31FSS-10V-KX 34.29 43.37 53.29 100
Y F31FSS-10V-KY 34.29 43.37 53.29 100

Material and Finish: Glass-filled PBT, UL94V-0, black

 

 

Tab housing (Free hanging type)

 

Tab housing (Free hanging type)

Circuits Keying Model No. Dimensions (mm) Q'ty/bag
A B C
3 X F31MSF-03V-KX 7.62 21.62 25.57 200
Y F31MSF-03V-KY 7.62 21.62 25.57 200
4 X F31MSF-04V-KX 11.43 25.43 29.38 200
Y F31MSF-04V-KY 11.43 25.43 29.38 200
5 X F31MSF-05V-KX 15.24 29.24 33.19 200
Y F31MSF-05V-KY 15.24 29.24 33.19 200
8 X F31MSF-08V-KX 26.67 40.67 44.62 100
Y F31MSF-08V-KY 26.67 40.67 44.62 100
10 X F31MSF-10V-KX 34.29 48.29 52.24 100
Y F31MSF-10V-KY 34.29 48.29 52.24 100
Material and Finish: Glass-filled PBT, UL94V-0, black
 
 

Tab housing (Panel mounting type)

 

Tab housing (Panel mounting type)

Circuits Keying Model No. Dimensions (mm) Q'ty
/bag
A B C D E
3 X F31MSP-03V-KX 7.62 21.62 22.6 31 40 200
Y F31MSP-03V-KY 7.62 21.62 22.6 31 40 200
4 X F31MSP-04V-KX 11.43 25.43 26.4 34.5 43.5 200
Y F31MSP-04V-KY 11.43 25.43 26.4 34.5 43.5 200
5 X F31MSP-05V-KX 15.24 29.24 30.2 38 47 200
Y F31MSP-05V-KY 15.24 29.24 30.2 38 47 200
8 X F31MSP-08V-KX 26.67 40.67 41.6 50 59 100
Y F31MSP-08V-KY 26.67 40.67 41.6 50 59 100
10 X F31MSP-10V-KX 34.29 48.29 49.2 58 67 100
Y F31MSP-10V-KY 34.29 48.29 49.2 58 67 100

Note

  • Material and Finish: Glass-filled PBT, UL94V-0, black
  • Punch holes in the panel. Burrs must be removed.
  • The strength of the panel must be considered when punching two or more holes.
  • The connector must be inserted from the same side as the hole is punched.
  • RoHS2 compliance 

 

 

Terminal

 

Receptacle contact

Receptacle contact

Tab contact

Tab contact

 

Terminal Type Model No. Applicable wire Insulation O.D
(mm)
Q'ty
Strip contact Loose piece Size mm² AWG# reel box(Loose piece)
Receptacle SF3F-002(*)-P2.0 BF3F-002(*)-P2.0 S 0.08~0.20 28~24 0.8~1.4 3700 1000
SF3F-01(*)-P2.0 BF3F-01(*)-P2.0 M 0.20~0.50 24~20 1.2~2.6 3700 1000
SF3F-41(*)-P2.0 LF3F-41(*)-P2.0 L 0.50~1.25 20~16 1.8~2.8 3200 1000
SF3F-71(*)-P2.0 BF3F-71(*)-P2.0 2L 1.25~2.0 16~14 2.4~3.4 3200 1000
Tab SF3M-002(*)-M2.0N BF3M-002(*)-M2.0N S 0.08~0.20 28~24 0.8~1.4 3500 1000
SF3M-01(*)-M2.0N BF3M-01(*)-M2.0N M 0.20~0.50 24~20 1.2~2.6 3500 1000
SF3M-41(*)-M2.0N LF3M-41(*)-M2.0N L 0.50~1.25 20~16 1.8~2.8 3300 1000
SF3M-71(*)-M2.0N BF3M-71(*)-M2.0N 2L 1.25~2.0 16~14 2.4~3.4 3200 1000

Notes:

  • Material and Finish: Copper alloy (superior conductivity), nickel-undercoated, selective gold-plated, tin-plated (reflow treatment)
  • Finish (*):
    • GF...Nickel-undercoated, 0.38μm selective gold-plated
    • GI....Nickel-undercoated, 0.76μm selective gold-plated
    • T......Tin-plated (reflow treatment)

 

 

Header (Top entry type)

 

J310S Header (Top entry type)

Circuits Keying Model No. Dimensions (mm) Q'ty/box
A B C
3 X B03B-F31SK-GGXR 7.62 13.97 21.62 220
Y B03B-F31SK-GGYR 7.62 13.97 21.62 220
4 X B04B-F31SK-GGXR 11.43 17.78 25.43 180
Y B04B-F31SK-GGYR 11.43 17.78 25.43 180
5 X B05B-F31SK-GGXR 15.24 21.59 29.24 160
Y B05B-F31SK-GGYR 15.24 21.59 29.24 160
6 X B06B-F31SK-GGXR 19.05 25.4 33.05 140
Y B06B-F31SK-GGYR 19.05 25.4 33.05 140
8 X B08B-F31SK-GGXR 26.67 33.02 40.67 120
Y B08B-F31SK-GGYR 26.67 33.02 40.67 120
10 X B10B-F31SK-GGXR 34.29 40.64 48.29 100
  Y B10B-F31SK-GGYR 34.29 40.64 48.29 100

Material and Finish

  • Tab contact: Copper alloy, nickel-undercoated, selective gold-plated
  • Housing: Glass-filled PBT, UL94V-0, black
  • Reinforcement: Copper alloy, nickel-undercoated, selective gold-plated

 

 

Header (Side entry type)

 

J310S Header (Side entry type)

Circuits Keying Model No. Dimensions (mm) Q'ty/box
A B C
3 X S03B-F31SK-GGXR 7.62 15.24 21.62 165
Y S03B-F31SK-GGYR 7.62 15.24 21.62 165
4 X S04B-F31SK-GGXR 11.43 19.05 25.43 135
Y S04B-F31SK-GGYR 11.43 19.05 25.43 135
5 X S05B-F31SK-GGXR 15.24 22.86 29.24 120
Y S05B-F31SK-GGYR 15.24 22.86 29.24 120
6 X S06B-F31SK-GGXR 19.05 26.67 33.05 105
Y S06B-F31SK-GGYR 19.05 26.67 33.05 105
8 X S08B-F31SK-GGXR 26.67 34.29 40.67 90
Y S08B-F31SK-GGYR 26.67 34.29 40.67 90
10 X S10B-F31SK-GGXR 34.29 41.91 48.29 75
Y S10B-F31SK-GGYR 34.29 41.91 48.29 75

Material and Finish

  • Tab contact: Copper alloy, nickel-undercoated, selective gold-plated
  • Housing: Glass-filled PBT, UL94V-0, black
  • Reinforcement: Copper alloy, nickel-undercoated, selective gold-plated

 

 

Support Custom Wiring Harness Assembly

 

  • Connector: 3, 4, 5, 8, 10pin
  • Wire gauge: 14 - 28AWG
  • Wire length: as long as your needs
  • Wire color: white, black, red, yellow, grey, blue, green, purple, orange, brown, etc.
  • Custom type:
    • wire to wire
    • wire to tinned end
    • wire to open end
    • wire to any suitable connectors
  • Minimum Order: 100 pieces per order.

 

JST JFA Connectors J300 Wire Harness

 

 

Customize Your Wire Harness

 

Send us your sample or drawing/schematic for quote price→ Feedback with quotation(1~3 days) → Confirm quotation → Arrange sample you for approval→ [Make mold if needed (7 days) →Mold test] → Making samples(1~3 days)→Samples test(Approval) → place order for Mass production(2~3 weeks)→ Quality checking→ Packing → Delivery → After Service → Repeat Order.