EMI Filter Hybrid Environmental Screening Options
The chart below describes VPT’s environmental screening options for hybrid avionics and military EMI filters and accessories. Environmental Screening for the HB grade is referenced to the MIL-STD-883 test methods applicable for MIL-PRF-38534 Class H devices, per in-house procedures. Custom environmental screening can be performed to meet specialized needs.
Please contact a sales representative concerning different environmental screenings for space or other higher quality applications.
| Screening | MIL-STD-88 | Standard | /ES | /HB |
|---|---|---|---|---|
| PreCap Inspection | Method 2017, 203 |  | |
|
| Temperature Cycling | Method 1010, Condition C Method 1010, 55° C to +125° C | | |
|
| Constant Acceleration | Method 2001, 3000g Method 2001, 500g | | | |
| Burn-In | Method 1015, 160 Hours at 125° C 96 Hours at 125° C 24 Hours at 125° C | | | |
| Hermeticity | Fine Leak, Method 1014,Condition A Gross Leak, Method 1014,ConditionC | |  | |
| Final Electrical | MIL-PRF-38534, Group A 100% at 25° C | | | |
| Final Inspection | Method 2009 | | | |
