Return to Home Page



AB Series (AB1275)
               AB1275 pic.gif (22413 bytes)
DC Input Transient Suppression Module
Download AB1275 spec sheet w/ case drawings

Meets DC Input Transient Limits for MIL-STD-704A
dot.gif (332 bytes)  Transient: 80 Vdc for 0.1 second
dot.gif (332 bytes)  Spike: 600 Vdc for 10 uS

Meets DC Input Transient for MIL-STD-1275A
dot.gif (332 bytes)  Transient: 100 Vdc for 100mS
dot.gif (332 bytes)  Spike: ± 250 Vdc for 50 uS

Specifications
Steady State Input: 14 - 40 Vdc
Max. Output Current: 20 amps
Max. Output Voltage (Clamp): 50 Vdc
Current Limit: Delayed Latching Type, 20 amps or 300 watt min.
Fuse (recommended): 22 Adc, Slow Blow Type
Insertion Loss: 1.0 Vdc Max. @ 20 amps and 25°C
Input Surge Limit: 100 Vdc, 0.1 sec, 0.5 Ohm, per MIL-STD-1275A
Input Spike Limit: ± 250 Vdc, 50uS, 15 mJ, per MIL-STD-1275A
+600 Vdc, 10 uS, 50 Ohm, per MIL-STD-1275A
Reverse Plarity Protection: Shunt Diode (Input Fuse Required)
Efficiency: 90 - 97% from 14 to 36 Input Volts DC
Overvoltage Shutdown (Auto Recovery): 41 Vdc to 100 Vdc for >100mS
Temperature
     Operating:
     Storage:
-55°C to +100°C, baseplate
-55°C to +125°C, ambient
Isolation - Input/Output to Case: 500 Vdc
Case Size: 2.5 X 3.5 X .85 inches
63.5 X 88.9 X 21.6 mm
Weight: 9.6 oz
270 grams
Environmental: MIL-STD-810C
Insulation Resistance: 50 megohm minimum @ 50V Input output to Case

 

Mechanical Characteristics
Material:
    Baseplate
    Case
Aluminum 6061-T6
Steel
Finish: Nickel Plate Per QQ-N-290
Class 1 .0006 Thk bright
Mounting: 4-40 THD inserts are provided in baseplate
Metric: M3 inserts