1JG7-2 DC Solid State Relay

  1. Input and output transformer isolation
  2. Power MOSFET output
  3. Fast switching speed
  4. Large output current
  5. Strong anti-overload capability
  6. All welding packages
  7. High reliability
  8. Standard: RY4.546.049JT


1JG7-2 DC Solid State Relay





Suitable for defense, industrial control, program power distribution, solenoid valve control, motor control, pyrotechnic control, computer interface, digital circuit interface, signal transmission, numerical control equipment and measuring instruments, suitable for harsh environments.



  • Input without reverse polarity protection.
Technical Parameters Min. Typ. Max. Unit
Input Parameters
Input voltage 3 4 5 Vd.c.
Input current (4V) 8 20 mA
Switching voltage 2.8 Vd.c.
Shutdown voltage 1.2 Vd.c.
Switch On time 70 μ s
Switch off time 1000 μ s
Output parameters
Number of output circuit groups 1H (1 group N.O.)
Output current 1×10-3 7 A
Output voltage 1 100 Vd.c.
Output voltage drop 0.35 Vd.c.
Output leakage current 10 μ A
Transient voltage 200 Vd.c.
Overload 21 A
Electrical insulation parameters
Insulation resistance 100
Dielectric withstand voltage 1000 Vr.m.s.
Isolated capacity 25 pF
Environmental parameters
Seal leak rate 5×10-1 Pa·cm3/s
Random vibration 40


(m/s2)2/Hz, Hz
Constant acceleration 1470 m/s2
Shock 1470, 6 m/s2, ms
Storage temperature -55~125
Operating temperature -55~105
Other parameters
Weight 60 g


Figure 1. Input current vs. Input voltage curve Figure 2. Maximum output current vs. ambient temp.
Figure 3. output voltage drop vs. temperature curve Figure 4. Peak Surge Current vs. Surge Current Duration


Mechanical drawings Bottom view Circuit


Order Mark


1 JG 7 2
Number of outputs Solid relay main name Rated output current   Design Number

Note: Please specify the screening level (Y or W) or special demands when ordering.