JMGACDG-12LW is a Type JMGAD DC relay designed for demanding military and aerospace applications. It features a 12.0 VDC nominal coil voltage with 390 ohms ±10% coil resistance, must operate voltage of 7.0 VDC, and must release voltage of 4.0 VDC maximum. The relay offers contact ratings from low level to 1 amp at 28 VDC resistive with 100,000 operations life expectancy. Environmental specifications include vibration resistance from 10 to 3000 CPS at 30 g's, shock resistance of 75 g's for 6 ms duration, and an operating temperature range of -65°C to +125°C. With fast operate time of 2.0 ms maximum and release time of 4.0 ms maximum, this relay is suitable for high-reliability applications requiring consistent performance under extreme conditions.