Specifications
| Shell | Aluminum Alloy |
| Shell Finishing | Electroless Nickel Plating, Covered with military yellow paint |
| Insulator | Thermoplastic Plastic |
| Sealing Ring | Silicone Rubber, Nitrile Rubber |
| Contact | Gold-Plated Copper Alloy Ordinary Contact (Solder Cup)
Coaxial Contact (Crimp) |
| Mechanical Life | 500 cycles |
| Electromagnetic Demating | 27±3V(DC), Current ≤ 5 A |
| Electromagnetic Coil | Resistance 6.5 Ω ± 0.5 Ω
|
| Mechanical Demating Force | 50 N ~ 200 N |
| Sinusoidal Vibration | Frequency 10 ~ 2000 Hz, Acceleration 200 m/s² |
| Constant Frequency Vibration | Frequency 50 Hz, 260 Hz
Power Spectral Density 200 m/s² |
| Shock | 11 ms Half-sine Wave, Peak Acceleration 980 m/s² |
| Acceleration | Peak Acceleration 350 m/s² |
| Operating Temperature | -55℃ ~ +125℃ |
| Salt Spray Test | 48 h |
| Relative Humidity | At 40℃ ± 2℃: 92% ~ 98% |
| Rain Test | Rainfall Intensity 5 mm/min |
| Flameproof | The socket’s mating surface can withstand a high temperature of 2000℃ for 2 seconds |
| Air Tightness | The JF20 sealed socket can withstand 2MPa
The JF20A and JF20B sealed sockets can withstand 1.2MPa |
Electrical Ratings
Contact Resistance and Rated Current
|
Contact Specifications |
Contact Resistance | Rated Current | Characteristic Impedance | ||
|
Single-layer |
Sealed |
Triple-layer |
|||
| Φ1 mm | ≤5 mΩ | ≤10 mΩ | ≤15 mΩ | 5 A |
—— |
|
Φ2 mm |
≤1.5 mΩ | ≤3 mΩ | ≤4.5 mΩ | 20 A | —— |
|
Φ3.5 mm |
≤1 mΩ | ≤2 mΩ | ≤3 mΩ | 40 A |
—— |
| 1553B | Center, Intermediate Conductor, Outer Conductor ≤ 55 mΩ | —— |
75 Ω |
||
|
CAN bus |
Inner Conductor ≤ 66, Outer Conductor ≤ 90 mΩ | —— | 120 Ω | ||
|
12#Coaxial |
Inner Conductor, Outer Conductor ≤ 66 mΩ | —— |
50 Ω |
||
Note: When multiple contacts are operating simultaneously, the rated current decline rate meets the requirements in the table below.
|
Number of Contacts |
1 ~ 10 | 11 ~ 20 | 21 ~ 30 | 31 ~ 50 | 51 ~ 80 | ≥81 |
| Decline Rate % | 0% | 10% | 20% | 30% | 40% |
50% |
|
Electrical Continuity between Shell |
≤5 mΩ | |||||
| Shielding |
Field strength 50,000 volts/meter Spectrum range less than 100MHz, minimum attenuation is 60dB |
|||||
Insulation Resistance
| Normal Temperature | High Temperature | Humid And Heat | Rain Teat | |
| Contact | 1000 MΩ | 50 MΩ | 50 MΩ | 50 MΩ |
| Electromagnetic Coil | 500 MΩ | 20 MΩ | 5 MΩ | 5 MΩ |
Dielectric Withstand Voltage
|
Normal Temperature |
High Temperature | Humid and Heat | Rain Test | Low Pressure | |
| Contact | 1000 Vrms | 1000 Vrms | 250 Vrms | 250 Vrms |
200 Vrms |
|
Electromagnetic Coil |
625 Vrms | 625 Vrms | 200 Vrms | 200 Vrms |
100 Vrms |
How to Order

Connector Specifications
|
Quality Grade |
Plug Type | Feature | Part Number of Socket |
Feature |
|
J Grade |
JF20-186TD
JF20-186TD-1 JF20-186TD-2 JF20-186TD-3 JF20-186TD3-1 JF20-186TD3-2 |
Single-outlet Short Cable Cover
(Small Contact Outlet) Single-outlet Long Cable Cover (Large Contact r Cable Outlet) Single-outlet Short Cable Cover (Large Contact Cable Outlet) Single-outlet Long Cable Cover (Small Contact Outlet) Triple-outlet Cable Cover (Large Contact Cable Outlet) Triple-outlet Cable Cover (Small Contact Outlet) |
JF20-186Z1
JF20-186Z1A JF20-186ZM JF20-186Z3 JF20-186Z3-5 |
Single-layer Socket (Unsealed) Single-layer Socket (Unsealed) Double-layer Socket (Sealed) Triple-layer Socket (Sealed) Triple-layer Socket (Sealed) |
|
JF20A-186T JF20A-186T-1 JF20A-186TD JF20A-186TD-1 |
Single-outlet Short Cable Cover
(Small Contact Outlet) Single-outlet Long Cable Cover (Large Contact Cable Outlet) Single-outlet Short Cable Cover (Small Contact Outlet Single-outlet Long Cable Cover (Large Contact Cable Outlet) |
JF20A-186Z1
JF20A-186ZM3 |
Single-layer Socket
(Unsealed) Triple-layer Socket (Sealed) |
|
| JF20B-186TD
JF20B-186TD-1 |
Single-outlet Short Cable Cover
(Small Contact Outlet) Single-outlet Long Cable Cover (Large Contact Cable Outlet) |
JF20B-186Z1
JF20B-186ZM3 |
Single-layer Socket (Unsealed) Triple-layer Socket (Sealed) |
|
|
Reliability Improved |
J/K+ JF20-186TD
J/K+ JF20-186TD-1 J/K+ JF20-186TD-2 J/K+ JF20-186TD-3 J/K+ JF20-186TD3-1 J/K+ JF20-186TD3-2 |
Single-outlet Short Cable Cover
(Small Contact Outlet) Single-outlet Long Cable Cover (Large Contact Cable Outlet) Single-outlet Short Cable Cover (Large Contact Cable Outlet) Single-outlet Long Cable Cover (Small Contact Outlet) Triple-outlet Cable Cover (Large Contact Cable Outlet) Triple-outlet Cable Cover (Small Contact Outlet) |
J/K+ JF20-186Z1
J/K+ JF20-186Z1A J/K+ JF20-186ZM J/K+ JF20-186Z3 J/K+ JF20-186Z3-5 |
Single-layer Socket (Unsealed) Single-layer Socket (Unsealed) Double-layer Socket (Sealed) Triple-layer Socket (Sealed) Triple-layer Socket (Sealed) |
|
J/K JF20A-186T J/K JF20A-186T-1 J/K JF20A-186TD J/K JF20A-186TD-1 |
Single-outlet Short Cable Cover
(Small Contact Outlet) Single-outlet Short Cable Cover (Large Contact Cable Outlet) Single-outlet Short Cable Cover (Small Contact Outlet) Single-outlet Short Cable Cover (Large Contact Cable Outlet) |
J/K JF20A-186Z1
J/K JF20A-186ZM3 |
Single-layer Socket
(Unsealed) Triple-layer Socket (Sealed) |
|
| J/K JF20B-186TD
J/K JF20B-186TD-1 |
Single-outlet Short Cable Cover
(Small Contact Outlet) Single-outlet Short Cable Cover (Large Contact Cable Outlet) |
J/K JF20B-186Z1
J/K JF20B-186ZM3 |
Single-layer Socket (Unsealed) Triple-layer Socket (Sealed) |
Coaxial Contact Wire Lead
|
Code |
Wire Contact Type | Wire | Wire Length | Connection |
| JF20-186TD
JF20-186Z1 JF20-186ZM F20-186Z3 JF20-186Z3-5 |
1553B | TWSF/1553B-2
(White) |
Except for JF20-186Z3-5 is 5 m long, all others are 3 m long |
The white wire is connected to the central conductor (Positive Terminal) The blue wire is connected to the middle conductor (Negative Terminal) The shielding layer is connected to the outer conductor |
|
JF20-186TD-1 JF20-186TD-2 JF20-186TD-3 JF20-186TD3-1 JF20-186TD3-2 JF20-186Z1A |
Without Wire Lead | —— | —— | —— |
| JF20A-186T
JF20A-186T-1 JF20A-186TD JF20A-186TD-1 JF20A-186Z1 |
Without Wire Lead | —— | —— |
—— |
|
JF20A-186ZM3 |
CAN Bus | SFKP2F-2-120-VD | 12.5 m | Right side is connected to blue wire
Left side is connected to transparent wire (View from the socket’s mating surface) |
| 12#Coaxial | SFF-50-1.5-1 | 12.5 m |
The wire is connected to the inner conductor, and the shielding layer is connected to the outer conductor |
|
|
JF20B-186TD JF20B-186TD-1 JF20B-186Z1 |
Without Wire Lead | —— | —— | —— |
| JF20B-186ZM3 | 12#Coaxial | SFF-50-1.5-1 | 12.5 m |
The wire is connected to the inner conductor, and the shielding layer is connected to the outer conductor |
Note: The reliability growth level has the same high-frequency contact lead-out configuration as the general military level
Coaxial Contact Accessory (Crimp)
|
Code |
Coaxial Contact Type | Contact | Adaptive Wire | Alternative Contact | Adaptive Wire |
| JF20-186TD-1
JF20-186TD-2 JF20-186TD-3 JF20-186TD3-1 JF20-186TD3-2 |
1553B Socket | JF20-186-62 | TWSF/1553B-2 | JF20-186-64 |
TGSE 1553B-1 M17/176-0002 |
|
JF20-186Z1A |
1553B Pin | JF20-186-57 | TWSF/1553B-2 | JF20-186-58 | TGSE 1553B-1
M17/176-0002 |
|
JF20A-186T JF20A-186T-1 JF20A-186TD JF20A-186TD-1 |
12#Coaxial Socket |
JF20A-186-02 | SFF-50-1.5-1 | JF20B-186-02 |
SFCF46-50-4-51 |
| CAN Bus Socket | JF20A-186-04 | SFKP2F-2-120-VD
SYKPU-VD 2×0.35 |
—— |
—— |
|
|
JF20A-186Z1 |
12#Coaxial Pins | JF20A-186-01 | SFF-50-1.5-1 | —— | —— |
|
CAN Bus Pin |
JF20A-186-03 | SFKP2F-2-120-VD | —— |
—— |
|
| JF20B-186TD
JF20B-186TD-1 |
12#Coaxial Socket | JF20A-186-02 | SFF-50-1.5-1 | —— |
—— |
|
JF20B-186-02 |
SFCF46-50-4-51 | ||||
| JF20B-186Z1 | 12#Coaxial Pins | JF20A-186-01 | SFF-50-1.5-1 | —— |
—— |
Note: The Coaxial contact configuration is the same for the reliability growth level and the general military level, Optional contact components must be ordered separately.
Socket Backshells (Cable Cover)
|
Quality Grade |
Cable Cover Type | Feature |
|
J Grade |
JF5-231-54 | Long Single-outlet Cable Cover |
| JF5-231-71 |
Short Single-outlet Cable Cover |
|
| JF5-231-72 |
Triple-outlet Cable Cover |
|
|
|
J/K JF5-231-54 |
Long Single-outlet Cable Cover |
|
|
|
|
J/K JF5-231-72 |
|
Note: Cable covers are not included with the sockets at the factory; Users can choose according to their needs. Different models of cable covers can be used with any socket of the corresponding quality level. For detailed dimensions of the cable covers, please refer to the JF5 model product catalog.
Contact Arrangement (Front View of The Socket Mating Surface)
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|
Contact Type |
Symbol | Contact Specifications | Number of Contact | Contact Soldering Cup | ||||
|
JF20 |
JF20A | JF20B | Inner Diameter | Section Area |
Solderable Area |
|||
|
Ordinary Contact |
![]() |
Φ1 mm |
168 | 168 | 168 | Φ1.5 mm | 1.77 mm2 |
1.24 mm2 |
![]() |
Φ2 mm | 8 | 8 | 8 | Φ2.7 mm | 5.72 mm2 |
4.01 mm2 |
|
![]() |
Φ3.5 mm |
8 | 8 | 8 | Φ4.5 mm | 15.90 mm2 |
11.13 mm2 |
|
|
Coaxial Contact |
![]() |
1553B |
2 | —— | —— | —— | ||
|
CAN bus |
—— | 1 (1#Contact) | —— |
—— |
||||
| 12#Coaxial | —— | 1 (2#Contact) | 2 |
—— |
||||
Dimension
Motor Driven Plugs (JF20-186TD, JF20A-186TD, JF20B-186TD)
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Motor Driven Plug (JF20-186TD-1)
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Motor Driven Plugs (JF20-186TD-2, JF20A-186TD-1, JF20B-186TD-1)
![]() |
Motor Driven Plug (JF20-186TD-3)
![]() |
Motor Driven Plug (JF20-186TD3-1)
![]() |
Motor Driven Plug (JF20-186TD3-2)
![]() |
Manual Plug (JF20A-186T)
![]() |
Manual Plug (JF20A-186T-1)
![]() |
Socket (without Cable Cover)
![]() |
|
Code |
Socket Type |
Size L |
|
JF20-186 JF20A-186 JF20B-186 |
Z1/Z1A |
40.5 mm |
| ZM |
59 mm |
|
| Z3/ZM3/Z3-5 |
93 mm |
Motor Driven Plug and Socket Dimension after Mating
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|
Code |
Plug Type | Socket Type | Size L1 | Size L2 |
|
JF20-186 JF20A-186 JF20B-186 |
TDX-X |
Z1/Z1A | 9 mm | 210 mm ± 3 mm |
| ZM | 27.5 mm |
228.5 mm ± 3 mm |
||
| Z3/ZM3/Z3-5 | 61.5 mm |
262.5 mm ± 3 mm |
Manual Plug and Socket Dimension after Mating
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|
Code |
Plug Type | Socket Type | Size L1 | Size L2 |
|
JF20A-186 |
T/T-1 | Z1 | 9 mm |
214 mm ± 3 mm |
| ZM3 | 61.5 mm |
266.5 mm ± 3 mm |






















