M4262 3U VPX DC-DC hold-up unit
M4262 3U VPX DC-DC hold-up unit
3U VPX VITA 62 hold-up unit for 270 VDC aircraft power buses, bridging input interruptions with up to 48 J of stored energy.
Up to 270 VDC continuous input
Up to 48 J hold-up energy, 98% typical efficiency
Input follower in normal operation, below 1 V drop
Recharges in under 0.5 s per MIL-STD-704
Operates from -55°C to +85°C at the unit edge
Power Down and Power Ready signals, dual I2C bus
Designed to meet MIL-STD-810G, 461F and 704
Additional information
| Supply voltage | 270 VDC |
|---|---|
| Rated power | 800W |
| Efficiency | 98 % |
| Approvals | MIL-STD-461, MIL-STD-704, MIL-STD-810 |
| Temperature range | -55°C ~ 85°C |
| Weight | 1,05 kg |
| MTBF | 239.210 h |
| Shock | 40 G |
| Sector | Defence |
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