Specifications
| Shell | Aluminum Alloy |
| Shell Finishing | Electroless Nickel Plating |
| Insulator | Plastics PBT, PEI |
| Sealing ring | Silicone Rubber |
| Contact | Gold-Plated Copper Alloy (Solder Cup) |
| Mechanical Life | 500 cycles |
| Sinusoidal Vibration | At 2 Hz ~ 5.5 Hz, the Single Amplitude 12.3 mm
At 5.5 Hz ~ 200 Hz, the Acceleration 1.5 g |
| Shock | Acceleration 30 g, Pulse Width 11 ms |
| Quality Grade | J Grade |
| Operating Temperature | -40℃ ~ + 85℃ |
| Relative Humidity | 48 h |
| Salt Spray Test | At 40℃ ± 2℃, 90% ~ 96%, 96 h |
Electrical Ratings
Contact Resistance
|
Test Status |
Contact——Φ1 mm | |||
| Between Terminal #1 and Contact 1+ | Between Terminal #2 and Contact 1- | Between Terminal #6 and Contact 2+ |
Between Terminal #7 and Contact 2- |
|
|
Before Life |
≤ 15 mΩ | |||
| After Life |
≤ 25 mΩ |
|||
Insulation Resistance
|
Environmental Conditions |
1#, 2#, 6#, 7#
(Contacts) Pin and Pin, Pin and Shell |
5#, 10#
(Motor Driven Demating Contacts) Pin and Shell |
3#, 4#, 8#, 9#
(Micro Switch Contacts) Pin and Shell |
| 1 atm | ≥1000 MΩ
(Individual Socket) |
≥500 MΩ |
≥100 MΩ |
|
≥500 MΩ (Plug and Socket Mating) |
|||
|
High Temperature |
≥500 MΩ | ≥50 MΩ | ≥10 MΩ |
| Humid and Heat | ≥20 MΩ | ≥10 MΩ |
≥2 MΩ |
|
Voltage Test |
DC 500V | DC 250V |
DC 250V |
Dielectric Withstand Voltage
|
Environmental Conditions |
1#, 2#, 6#, 7#
(Contacts) |
5#, 10#
(Motor Driven Demating Contacts) |
3#, 4#, 8#, 9#
(Micro Switch Contacts) |
| Pin and Pin, Pin and Shell | Pin and Shell |
Pin and Shell |
|
|
1 atm |
1000 Vrms
(Individual Socket) |
625 Vrms | 500 Vrms |
|
500 Vrms (Plug and Socket Mating) |
|||
|
High Temperature |
1000 Vrms
(Individual Socket) |
625 Vrms |
500 Vrms |
How to Order
Connectors Specifications
|
Type |
Quality Grade | Feature |
|
JF28-4T-00 |
J Grade |
JF28 Type Plug |
|
JF28-4Z-00 |
J Grade | JF28 Type Socket |
| JF28-4JZ-00 | J Grade |
JF28 Type Simple Socket |
| JP2/JF28 | J Grade |
Reset Tooling |
Note: Reset tooling ordered separately
Contact Arrangement (Front View of The Socket Mating Surface)
 |
Signal Definition of Socket Terminals
|
Socket Terminal Number |
Signal Definition |
|
1 |
Electric Detonator 1+ |
| 2 |
Electric Detonator 1- |
|
3 |
Locking Status Indicator + |
| 4 |
Locking Status Indicator – |
|
5 |
Unlocking Control Signal + |
| 6 |
Electric Detonator 2+ |
|
7 |
Electric Detonator 2- |
| 8 |
Unlocking Status Indicator + |
|
9 |
Unlocking Status Indicator – |
| 10 |
Unlocking Control Signal – |
Dimension
Umbilical Plug (JF28-4T)
 |
Umbilical Socket (JF28-4Z)
 |
Simple Socket (JF28-4JZ)
 |
Reset Tooling (JP2/JF28)
 |
Shorted Cap for Plug (JF28-4-40)
 |
Plugs and Pyrotechnics (JF28-4T and Pyrotechnics)
 |
Plug/Socket Dimension after Mating (JF28-4T/Z)
 |
