National Instruments NI 9478 - page 21

© National Instruments Corp. 21 NI 9478 Operating Instructions and Specifications
Overcurrent protection threshold
selection per channel.........................Limit A, Limit B, or
No Limit
Overcurrent shutoff response time....1 μs
Overcurrent refresh configuration.... Enabled or Disabled
Overcurrent refresh period................20–2550 μs in 10 μs
increments
Overcurrent refresh period
accuracy......................................... ...±7% max
Propagation delay............................. 250 ns max
MTBF............................................... 823,106 hours at 25 °C;
Bellcore Issue 6, Method 1,
Case 3, Limited Part Stress
Method
Note Contact NI for Bellcore MTBF specifications
atother temperatures or for MIL-HDB K-217F
specifications.