Hybrid Environmental Screening Options
For Avionics, Military and Space Programs
Our hybrid DC-DC converters and EMI filters are available in multiple environmental screening grades to satisfy a wide range of requirements. 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 any custom environmental screenings you require.
Specifications
| Screening | MIL-STD-883 | Standard | Extended /ES | HB /HB | Class H /H | Class K ** /k |
|---|---|---|---|---|---|---|
| Non-Destructive Bond Pull | Method 2023 | X | X | X | X | X |
| Internal Visual | Method 2017, 2032 Internal Procedure | X | X | X | X | X |
| Temperature Cycling | Method 1010, Condition C Method 1010, -55°C to 125°C | X | X | X | X | |
| Constant Acceleration | Method 2001, 3000g, Y1 Direction Method 2001, 500g, Y1 Direction | X | X | X | X | |
| PIND | Method 2020, Condition A* | X | ||||
| Pre Burn-In Electrical | 100% at 25°C | X | ||||
| Burn-In | Method 1015, 320 hours at +125°C Method 1015, 160 hours at +125°C 96 hours at +125°C 24 hours at +125°C | X | X | X | X | X |
| Final Electrical | MIL-PRF-38534, Group A† 100% at 25°C | X | X | X | X | X |
| Hermeticity | Method 1014, Fine Leak, Condition A Method 1014, Gross Leak, Condition C Dip (1x10-3) | X | X X | X X | X X | X X |
| Radiography | Method 2012 †† | X | ||||
| External Visual | Method 2009 | X | X | X | X | X |
* 100% R&R testing at -55°C, +25°C with all test data included in product shipment
PIND test Certificate of Compliance included with product shipment.
Radiographic test certificate of Compliance and film(s) included with product shipment.
**VPT,s radiation plan is filed and currently pending with DSCC. Contact DSCC at (614)692-0585 directly for the most up to date information
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 | | | |
