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Comparison of Screening Options (Discrete Products)
Semelab Hi-Rel Screening Options (252,837 bytes)
(includes all screening and inspection flows)

Semelab is able to supply parts screened to BS, CECC or our own QR204 MIL processed screening options.

CECC   BS   QR204   MIL
A B C D   A B C D   JQR
-A
JQR
-B
  JAN
TXV
JAN
TX
Pre-cap Visual Y       Y Y Y   Y   Y  
High Temp Storage Y Y Y   Y Y Y   Y Y Y Y
Temperature Cycle 5
cycles
5
cycles
5
cycles
  10
cycles
10
cycles
10
cycles
  20
cycles
20
cycles
20
cycles
20
cycles
Constant Acceleration Y Y Y   Y Y Y   Y Y Y Y
Fine Leak test Y Y Y   Y Y Y   Y Y Y Y
Gross Leak Test Y Y Y   Y Y Y   Y Y Y Y
Variables Electrical test Y       Y           ? ?
Attributes Electrical tests   Y   Y   Y Y Y Y Y Y Y
Burn-In (HTRB) 168
hrs*
72
hrs*
  48
hrs*
160
hrs*
72
hrs*
48
hrs*
48
hrs*
O O O O
Variables Electrical test                     ? ?
Attributes Electrical tests                 Y Y Y Y
Burn-In (Power) 168
hrs*
72
hrs*
  48
hrs*
160 hrs* 72 hrs* 48 hrs* 48 hrs* 160
hrs
160
hrs
160
hrs
160
hrs
Variables Electrical test Y       Y           ? ?
Attributes Electrical tests   Y Y Y   Y Y Y Y Y Y Y
Radiographic tests         Y              
Key

Y

?

O

*

Test performed

Test performed if required by device detail specification

24 hours for PNP devices. 48 hours for NPN devices

High Temp Reverse Bias for Case rated devices
Power Burn-in for Ambient rated Devices

CECC: Screening carried out in accordance with CECC 50000 Appendix 6
BS: Screening carried out in accordance with BS9300 section 1.2.10
QR204: Screening carried out in accordance with QR204
MIL: Screening carried out in accordance with MIL-PRF-19500 (Table 2)

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