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
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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
INPUT
Nominal input
Input range
Input spike limit
(MIL-STD-704A)
(MIL-STD-1275A/B)
Input surge limit
Overvoltage shutdown
Recommended fuse
Inrush Current
Reverse polarity protection
28Vdc
18.8 – 50Vdc
-600V to 600Vdc
-250V to 205Vdc
100Vdc
50Vdc
20A
110 %
Yes
270Vdc
125V – 400Vdc
800Vdc max
-600V to 600Vdc
500Vdc
400Vdc
4A F03A type
110% of input typical
Yes
STANDARDS AND APPROVALS
Environmental (MIL-STD-810D)
Altitude – Method 500.2
Humidity - Method 507.2
70,000 ft
86/240 (%/hours)
Acceleration – Method 513.3 9 g’s
Vibration – Method 514.3
Shock – Method 516.3
Reliability (MIL-HDBK-217F)
25°C Ground benign
50°C Naval sheltered
4,719,000 hours
849,000 hours
20 g’s
40 g’s
65°C Airborne inhabited cargo 665,000 hours
EMI/RFI characteristics (MIL-STD-461C & D)
OUTPUT
28Vdc
Output Power
Clamp Voltage
Overload protection
250W
60Vdc
20A
270Vdc
250W
420Vdc
4A
Input power leads
Conduct emissions
Conducted susceptibility
CE01, CE03, CE07 MIL-STD-461 C
CE101, CE102 MIL-STD-461 D&E
CS01, CS02, CS06 MIL-STD-461 C
CS101, CS114, CS115, CS116 MIL-STD-461 D&E
MECHANICAL
Weight
85 grams
57.9 x 61 x 12.7mm
OPERATING
Efficiency
Isolation Characteristics
95% – 97%
Input to Base 1,500Vrms
Output to Base 1,500Vrms
Dimensions
MECHANICAL
Product grade
Storage temperature
Operating temperature
(baseplate)
Power cycling burn-in
Temperature cycled
With power off
IGrade
-55°C to +125°C
-40°C to +100°C
12hrs 25 cycles
48 hrs, 12-16cycles
-55°C to +100°C
M Grade
-65°C to +125°C
-55°C to +100°C
96hrs 200 cycles
48hrs, 12-16 cycles
-65°C to +100°C
-55°C to +80°C
Selection Table
MODEL
NOMINAL INPUT INPUT COMPATIBLE
CONVERTER
NUMBER
VOLTAGE
RANGE MI-SERIES
MI-A22-MU
MI-A66-MU
MI-A22-IU
MI-A66-IU
28Vdc
270Vdc
28Vdc
270Vdc
18.8-50V MI-22x and MI-J2x
125-400V MI-26x and MI-J6x
18.8-50V MI-22x and MI-J2x
125-400V MI-26x and MI-J6x
M Grade
M Grade
I Grade
I Grade
Test data supplied at these -40°C to +80°C
temperature
Derating
NAVMAT P-4855-1A
378
POWERBOX [ Powerbox ]
