SLVK265 March   2026 TRF0108-SEP

 

  1.   1
  2.   Abstract
  3.   Trademarks
  4. 1 Overview
  5. 2 Single-Event Effects
  6. 3 Test Device and Evaluation Board Information
  7. 4 Irradiation Facility and Setup
  8. 5 Depth, Range, and LETEFF Calculation
  9. 6 Test Set-Up and Procedures
  10. 7 Single-Event Latch-up (SEL) Results
  11. 8 Single-Event Transients (SET) Results
  12. 9 Event Rate Calculations
  13. 10Summary
  14.   A Total Ionizing Dose from SEE Experiments
  15.   B References

9 Event Rate Calculations

Event rates were calculated for LEO (ISS) and GEO environments by combining CREME96 orbital integral flux estimations and simplified SEE cross-sections according to methods described in Heavy Ion Orbital Environment Single-Event Effects Estimations. We assume a minimum shielding configuration of 100 mils (2.54mm) of aluminum, and “worst-week” solar activity (this is similar to a 99% upper bound for the environment). Using the 95% upper-bounds for the SET the event rates of the TRF0108-SEP are tabulated in Table 9-1.

Table 9-1 SET Event Rate Calculations for Worst-Week LEO and GEO Orbits
Orbit TypeOnset LET
(MeV-cm2/mg)		σSAT
(cm2)		Event Rate
(/day)		Event Rate
(FIT)		MTBE
(Years)
LEO (ISS)1.420080 × 10–60.18 × 10–37.37 × 10315.49
GEO1.52 × 10–363.41 × 1031.80