MEDICAL & MILITARY MI-IAM Series 2 0 0 W AT T S M I L I TA R Y C O T S I N P U T AT T E N U AT O R M O D U L E S Features • • • • • • • Military Specification Compliance MIL-STD-461C & D: EMI/RFI MIL-STD704A: Transients and Spikes MIL-STD-1275A: Transients and Spikes MIL-STD-810: Environments MIL-I-45208: Quality System Expansion port for additional power Specifications STANDARDS AND APPROVALS INPUT Environmental (MIL-STD-810D) Nominal input 28Vdc 270Vdc Input range 18.8 – 50Vdc 125V – 400Vdc Input spike limit (MIL-STD-704A) (MIL-STD-1275A/B) -600V to 600Vdc -250V to 205Vdc 800Vdc max -600V to 600Vdc Vibration – Method 514.3 20 g’s Input surge limit 100Vdc 500Vdc Shock – Method 516.3 40 g’s Overvoltage shutdown 50Vdc 400Vdc Reliability (MIL-HDBK-217F) Recommended fuse 20A 4A F03A type 25°C Ground benign 4,719,000 hours Inrush Current 110 % 110% of input typical 50°C Naval sheltered 849,000 hours Yes Yes 65°C Airborne inhabited cargo 665,000 hours Reverse polarity protection 70,000 ft Humidity - Method 507.2 86/240 (%/hours) Acceleration – Method 513.3 9 g’s EMI/RFI characteristics (MIL-STD-461C & D) OUTPUT 28Vdc 270Vdc Output Power 250W 250W Clamp Voltage 60Vdc 420Vdc Overload protection 20A 4A OPERATING Efficiency 95% – 97% Isolation Characteristics Input to Base 1,500Vrms Output to Base 1,500Vrms Input power leads Conduct emissions CE01, CE03, CE07 MIL-STD-461 C CE101, CE102 MIL-STD-461 D&E Conducted susceptibility CS01, CS02, CS06 MIL-STD-461 C CS101, CS114, CS115, CS116 MIL-STD-461 D&E MECHANICAL Weight 85 grams Dimensions 57.9 x 61 x 12.7mm Selection Table MECHANICAL Product grade IGrade M Grade Storage temperature -55°C to +125°C -65°C to +125°C MODEL NOMINAL INPUT INPUT COMPATIBLE CONVERTER NUMBER VOLTAGE RANGE MI-SERIES Operating temperature (baseplate) -40°C to +100°C -55°C to +100°C MI-A22-MU 28Vdc 18.8-50V MI-22x and MI-J2x M Grade MI-A66-MU 270Vdc 125-400V MI-26x and MI-J6x M Grade Power cycling burn-in 12hrs 25 cycles 96hrs 200 cycles MI-A22-IU 28Vdc 18.8-50V MI-22x and MI-J2x I Grade Temperature cycled 48 hrs, 12-16cycles 48hrs, 12-16 cycles MI-A66-IU 270Vdc 125-400V MI-26x and MI-J6x I Grade With power off -55°C to +100°C -65°C to +100°C Test data supplied at these -40°C to +80°C temperature Derating 378 Altitude – Method 500.2 NAVMAT P-4855-1A -55°C to +80°C